Merge pull request #85 from Mbucari/master

"F*ck it, we'll do it live!"

AaxDecrypter/AaxcDownloadConverter.cs

@@ -1,32 +1,27 @@
 using AAXClean;
 using Dinah.Core;
-using Dinah.Core.Diagnostics;
 using Dinah.Core.IO;
-using Dinah.Core.Logging;
+using Dinah.Core.Net.Http;
 using Dinah.Core.StepRunner;
 using System;
 using System.IO;
 
 namespace AaxDecrypter
 {
-    public enum OutputFormat
+    public enum OutputFormat { Mp4a,  Mp3 }
-    {
-        Mp4a,
-        Mp3
-    }
     public class AaxcDownloadConverter
     {
         public event EventHandler<AppleTags> RetrievedTags;
         public event EventHandler<byte[]> RetrievedCoverArt;
-        public event EventHandler<int> DecryptProgressUpdate;
+        public event EventHandler<DownloadProgress> DecryptProgressUpdate;
         public event EventHandler<TimeSpan> DecryptTimeRemaining;
+
         public string AppName { get; set; } = nameof(AaxcDownloadConverter);
 
         private string outputFileName { get; }
         private string cacheDir { get; }
         private DownloadLicense downloadLicense { get; }
         private AaxFile aaxFile;
-        private byte[] coverArt;
         private OutputFormat OutputFormat;
 
         private StepSequence steps { get; }
@@ -65,11 +60,15 @@ namespace AaxDecrypter
             };
         }
 
+        /// <summary>
+        /// Setting cover art by this method will insert the art into the audiobook metadata
+        /// </summary>
         public void SetCoverArt(byte[] coverArt)
         {
             if (coverArt is null) return;
 
-            this.coverArt = coverArt;
+            aaxFile?.AppleTags.SetCoverArt(coverArt);
+
             RetrievedCoverArt?.Invoke(this, coverArt);
         }
 
@@ -98,7 +97,7 @@ namespace AaxDecrypter
                 try
                 {
                     nfsPersister = new NetworkFileStreamPersister(jsonDownloadState);
-                    //If More thaan ~1 hour has elapsed since getting the download url, it will expire.
+                    //If More than ~1 hour has elapsed since getting the download url, it will expire.
                     //The new url will be to the same file.
                     nfsPersister.NetworkFileStream.SetUriForSameFile(new Uri(downloadLicense.DownloadUrl));
                 }
@@ -113,13 +112,11 @@ namespace AaxDecrypter
             {
                 nfsPersister = NewNetworkFilePersister();
             }
-            nfsPersister.NetworkFileStream.BeginDownloading();
 
             aaxFile = new AaxFile(nfsPersister.NetworkFileStream);
-            coverArt = aaxFile.AppleTags.Cover;
 
             RetrievedTags?.Invoke(this, aaxFile.AppleTags);
-            RetrievedCoverArt?.Invoke(this, coverArt);
+            RetrievedCoverArt?.Invoke(this, aaxFile.AppleTags.Cover);
 
             return !isCanceled;
         }
@@ -136,8 +133,14 @@ namespace AaxDecrypter
 
         public bool Step2_DownloadAndCombine()
         {
+            var zeroProgress = new DownloadProgress 
+            { 
+                BytesReceived = 0,
+                ProgressPercentage = 0, 
+                TotalBytesToReceive = nfsPersister.NetworkFileStream.Length 
+            };
 
-            DecryptProgressUpdate?.Invoke(this, 0);
+            DecryptProgressUpdate?.Invoke(this, zeroProgress);
 
             if (File.Exists(outputFileName))
                 FileExt.SafeDelete(outputFileName);
@@ -147,7 +150,6 @@ namespace AaxDecrypter
             aaxFile.SetDecryptionKey(downloadLicense.AudibleKey, downloadLicense.AudibleIV);
 
             aaxFile.ConversionProgressUpdate += AaxFile_ConversionProgressUpdate;
-
             var decryptionResult = OutputFormat == OutputFormat.Mp4a ? aaxFile.ConvertToMp4a(outFile, downloadLicense.ChapterInfo) : aaxFile.ConvertToMp3(outFile);
             aaxFile.ConversionProgressUpdate -= AaxFile_ConversionProgressUpdate;
 
@@ -155,21 +157,9 @@ namespace AaxDecrypter
 
             downloadLicense.ChapterInfo = aaxFile.Chapters;
 
-            if (decryptionResult == ConversionResult.NoErrorsDetected
-                && coverArt is not null
-                && OutputFormat == OutputFormat.Mp4a)
-            {
-                //This handles a special case where the aaxc file doesn't contain cover art and
-                //Libation downloaded it instead (Animal Farm). Currently only works for Mp4a files.
-                using var decryptedBook = new Mp4File(outputFileName, FileAccess.ReadWrite);
-                decryptedBook.AppleTags?.SetCoverArt(coverArt);
-                decryptedBook.Save();
-                decryptedBook.Close();
-            }
-
             nfsPersister.Dispose();
 
-            DecryptProgressUpdate?.Invoke(this, 0);
+            DecryptProgressUpdate?.Invoke(this, zeroProgress);
 
             return decryptionResult == ConversionResult.NoErrorsDetected && !isCanceled;
         }
@@ -185,7 +175,13 @@ namespace AaxDecrypter
 
             double progressPercent = 100 * e.ProcessPosition.TotalSeconds / duration.TotalSeconds;
 
-            DecryptProgressUpdate?.Invoke(this, (int)progressPercent);
+            DecryptProgressUpdate?.Invoke(this,
+                new DownloadProgress 
+                {
+                    ProgressPercentage = progressPercent,
+                    BytesReceived = (long)(nfsPersister.NetworkFileStream.Length * progressPercent),
+                    TotalBytesToReceive = nfsPersister.NetworkFileStream.Length
+                });
         }
 
         public bool Step3_CreateCue()
@@ -227,6 +223,7 @@ namespace AaxDecrypter
         {
             isCanceled = true;
             aaxFile?.Cancel();
+            aaxFile?.Dispose();
         }
     }
 }

AaxDecrypter/NetworkFileStream.cs

@@ -6,7 +6,6 @@ using System.IO;
 using System.Linq;
 using System.Net;
 using System.Threading;
-using System.Threading.Tasks;
 
 namespace AaxDecrypter
 {
@@ -27,7 +26,7 @@ namespace AaxDecrypter
 
         public CookieCollection GetCookies()
         {
-            return base.GetCookies(Uri);
+            return GetCookies(Uri);
         }
     }
 
@@ -79,15 +78,14 @@ namespace AaxDecrypter
         #endregion
 
         #region Private Properties
-
         private HttpWebRequest HttpRequest { get; set; }
         private FileStream _writeFile { get; }
         private FileStream _readFile { get; }
         private Stream _networkStream { get; set; }
         private bool hasBegunDownloading { get; set; }
         private bool isCancelled { get; set; }
-        private bool finishedDownloading { get; set; }
+        private EventWaitHandle downloadEnded { get; set; } 
-        private Action downloadThreadCompleteCallback { get; set; }
+        private EventWaitHandle downloadedPiece { get; set; } 
 
         #endregion
 
@@ -147,7 +145,7 @@ namespace AaxDecrypter
         private void Update()
         {
             RequestHeaders = HttpRequest.Headers;
-            Updated?.Invoke(this, new EventArgs());
+            Updated?.Invoke(this, EventArgs.Empty);
         }
 
         /// <summary>
@@ -160,8 +158,8 @@ namespace AaxDecrypter
 
             if (uriToSameFile.Host != Uri.Host)
                 throw new ArgumentException($"New uri to the same file must have the same host.\r\n Old Host :{Uri.Host}\r\nNew Host: {uriToSameFile.Host}");
-            if (hasBegunDownloading && !finishedDownloading)
+            if (hasBegunDownloading)
-                throw new Exception("Cannot change Uri during a download operation.");
+                throw new InvalidOperationException("Cannot change Uri after download has started.");
 
             Uri = uriToSameFile;
             HttpRequest = WebRequest.CreateHttp(Uri);
@@ -176,25 +174,27 @@ namespace AaxDecrypter
         /// <summary>
         /// Begins downloading <see cref="Uri"/> to <see cref="SaveFilePath"/> in a background thread.
         /// </summary>
-        public void BeginDownloading()
+        private void BeginDownloading()
         {
+            downloadEnded = new EventWaitHandle(false, EventResetMode.ManualReset);
+
             if (ContentLength != 0 && WritePosition == ContentLength)
             {
                 hasBegunDownloading = true;
-                finishedDownloading = true;
+                downloadEnded.Set();
                 return;
             }
 
             if (ContentLength != 0 && WritePosition > ContentLength)
-                throw new Exception($"Specified write position (0x{WritePosition:X10}) is larger than the file size.");
+                throw new WebException($"Specified write position (0x{WritePosition:X10}) is larger than  {nameof(ContentLength)} (0x{ContentLength:X10}).");
 
             var response = HttpRequest.GetResponse() as HttpWebResponse;
 
             if (response.StatusCode != HttpStatusCode.PartialContent)
-                throw new Exception($"Server at {Uri.Host} responded with unexpected status code: {response.StatusCode}.");
+                throw new WebException($"Server at {Uri.Host} responded with unexpected status code: {response.StatusCode}.");
 
             if (response.Headers.GetValues("Accept-Ranges").FirstOrDefault(r => r.EqualsInsensitive("bytes")) is null)
-                throw new Exception($"Server at {Uri.Host} does not support Http ranges");
+                throw new WebException($"Server at {Uri.Host} does not support Http ranges");
 
             //Content length is the length of the range request, and it is only equal
             //to the complete file length if requesting Range: bytes=0-
@@ -202,10 +202,12 @@ namespace AaxDecrypter
                 ContentLength = response.ContentLength;
 
             _networkStream = response.GetResponseStream();
+            downloadedPiece = new EventWaitHandle(false, EventResetMode.AutoReset);
 
             //Download the file in the background.
-            Thread downloadThread = new Thread(() => DownloadFile()) { IsBackground = true };
+            new Thread(() => DownloadFile())
-            downloadThread.Start();
+            { IsBackground = true }
+            .Start();
 
             hasBegunDownloading = true;
             return;
@@ -216,13 +218,13 @@ namespace AaxDecrypter
         /// </summary>
         private void DownloadFile()
         {
-            long downloadPosition = WritePosition;
+            var downloadPosition = WritePosition;
-            long nextFlush = downloadPosition + DATA_FLUSH_SZ;
+            var nextFlush = downloadPosition + DATA_FLUSH_SZ;
 
-            byte[] buff = new byte[DOWNLOAD_BUFF_SZ];
+            var buff = new byte[DOWNLOAD_BUFF_SZ];
             do
             {
-                int bytesRead = _networkStream.Read(buff, 0, DOWNLOAD_BUFF_SZ);
+                var bytesRead = _networkStream.Read(buff, 0, DOWNLOAD_BUFF_SZ);
                 _writeFile.Write(buff, 0, bytesRead);
 
                 downloadPosition += bytesRead;
@@ -233,6 +235,7 @@ namespace AaxDecrypter
                     WritePosition = downloadPosition;
                     Update();
                     nextFlush = downloadPosition + DATA_FLUSH_SZ;
+                    downloadedPiece.Set();
                 }
 
             } while (downloadPosition < ContentLength && !isCancelled);
@@ -243,13 +246,12 @@ namespace AaxDecrypter
             _networkStream.Close();
 
             if (!isCancelled && WritePosition < ContentLength)
-                throw new Exception("File download ended before finishing.");
+                throw new WebException($"Downloaded size (0x{WritePosition:X10}) is less than {nameof(ContentLength)} (0x{ContentLength:X10}).");
 
             if (WritePosition > ContentLength)
-                throw new Exception("Downloaded file is larger than expected.");
+                throw new WebException($"Downloaded size (0x{WritePosition:X10}) is greater than {nameof(ContentLength)} (0x{ContentLength:X10}).");
 
-            finishedDownloading = true;
+            downloadEnded.Set();
-            downloadThreadCompleteCallback?.Invoke();
         }
 
         #endregion
@@ -330,9 +332,7 @@ namespace AaxDecrypter
                 var result = new WebHeaderCollection();
 
                 foreach (var kvp in jObj)
-                {
                     result.Add(kvp.Key, kvp.Value.Value<string>());
-                }
 
                 return result;
             }
@@ -341,8 +341,8 @@ namespace AaxDecrypter
 
             public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
             {
-                JObject jObj = new JObject();
+                var jObj = new JObject();
-                Type type = value.GetType();
+                var type = value.GetType();
                 var headers = value as WebHeaderCollection;
                 var jHeaders = headers.AllKeys.Select(k => new JProperty(k, headers[k]));
                 jObj.Add(jHeaders);
@@ -364,13 +364,21 @@ namespace AaxDecrypter
         public override bool CanWrite => false;
 
         [JsonIgnore]
-        public override long Length => ContentLength;
+        public override long Length
+        {
+            get
+            {
+                if (!hasBegunDownloading)
+                    BeginDownloading();
+                return ContentLength;
+            }
+        }
 
         [JsonIgnore]
         public override long Position { get => _readFile.Position; set => Seek(value, SeekOrigin.Begin); }
 
         [JsonIgnore]
-        public override bool CanTimeout => base.CanTimeout;
+        public override bool CanTimeout => false;
 
         [JsonIgnore]
         public override int ReadTimeout { get => base.ReadTimeout; set => base.ReadTimeout = value; }
@@ -387,63 +395,39 @@ namespace AaxDecrypter
             if (!hasBegunDownloading)
                 BeginDownloading();
 
-            long toRead = Math.Min(count, Length - Position);
+            var toRead = Math.Min(count, Length - Position);
-            long requiredPosition = Position + toRead;
+            WaitToPosition(Position + toRead);
-
-            //read operation will block until file contains enough data
-            //to fulfil the request, or until cancelled.
-            while (requiredPosition > WritePosition && !isCancelled)
-                Thread.Sleep(2);
-
             return _readFile.Read(buffer, offset, count);
         }
 
         public override long Seek(long offset, SeekOrigin origin)
         {
-            long newPosition;
+            var newPosition = origin switch
+			{
+				SeekOrigin.Current => Position + offset,
+				SeekOrigin.End => ContentLength + offset,
+				_ => offset,
+			};
 
-            switch (origin)
+            WaitToPosition(newPosition);
-            {
+            return _readFile.Position = newPosition;
-                case SeekOrigin.Current:
-                    newPosition = Position + offset;
-                    break;
-                case SeekOrigin.End:
-                    newPosition = ContentLength + offset;
-                    break;
-                default:
-                    newPosition = offset;
-                    break;
-            }
-            ReadToPosition(newPosition);
-
-            _readFile.Position = newPosition;
-            return newPosition;
         }
 
         /// <summary>
-        /// Ensures that the file has downloaded to at least <paramref name="neededPosition"/>, then returns.
+        /// Blocks until the file has downloaded to at least <paramref name="requiredPosition"/>, then returns.
         /// </summary>
-        /// <param name="neededPosition">The minimum required data length in <see cref="SaveFilePath"/>.</param>
+        /// <param name="requiredPosition">The minimum required flished data length in <see cref="SaveFilePath"/>.</param>
-        private void ReadToPosition(long neededPosition)
+        private void WaitToPosition(long requiredPosition)
-        {
+		{
-            byte[] buff = new byte[DOWNLOAD_BUFF_SZ];
+            while (requiredPosition > WritePosition && !isCancelled && hasBegunDownloading && !downloadedPiece.WaitOne(1000)) ;
-            do
-            {
-                Read(buff, 0, DOWNLOAD_BUFF_SZ);
-            } while (neededPosition > WritePosition);
         }
+
         public override void Close()
         {
             isCancelled = true;
-            downloadThreadCompleteCallback = CloseAction;
 
-            //ensure that close will run even if called after callback was fired.
+            while (downloadEnded is not null && !downloadEnded.WaitOne(1000)) ;
-            if (finishedDownloading)
-                CloseAction();
 
-        }
-        private void CloseAction()
-        {
             _readFile.Close();
             _writeFile.Close();
             _networkStream?.Close();
@@ -451,5 +435,10 @@ namespace AaxDecrypter
         }
 
         #endregion
+        ~NetworkFileStream()
+        {
+            downloadEnded?.Close();
+            downloadedPiece?.Close();
+        }
     }
 }

ApplicationServices/LibraryCommands.cs

@@ -20,6 +20,57 @@ namespace ApplicationServices
 
 	public static class LibraryCommands
 	{
+		private static LibraryOptions.ResponseGroupOptions LibraryResponseGroups = LibraryOptions.ResponseGroupOptions.ALL_OPTIONS;
+
+		public static async Task<List<LibraryBook>> FindInactiveBooks(Func<Account, ILoginCallback> loginCallbackFactoryFunc, List<LibraryBook> existingLibrary, params Account[] accounts)
+        {
+			//These are the minimum response groups required for the
+			//library scanner to pass all validation and filtering.
+			LibraryResponseGroups = 
+				LibraryOptions.ResponseGroupOptions.ProductAttrs |
+				LibraryOptions.ResponseGroupOptions.ProductDesc | 
+				LibraryOptions.ResponseGroupOptions.Relationships;
+
+			if (accounts is null || accounts.Length == 0)
+				return new List<LibraryBook>();
+
+			try
+			{
+				var libraryItems = await scanAccountsAsync(loginCallbackFactoryFunc, accounts);
+				Log.Logger.Information($"GetAllLibraryItems: Total count {libraryItems.Count}");
+
+				var missingBookList = existingLibrary.Where(b => !libraryItems.Any(i => i.DtoItem.Asin == b.Book.AudibleProductId)).ToList();
+
+				return missingBookList;
+			}
+			catch (AudibleApi.Authentication.LoginFailedException lfEx)
+			{
+				lfEx.SaveFiles(FileManager.Configuration.Instance.LibationFiles);
+
+				// nuget Serilog.Exceptions would automatically log custom properties
+				//   However, it comes with a scary warning when used with EntityFrameworkCore which I'm not yet ready to implement:
+				//   https://github.com/RehanSaeed/Serilog.Exceptions
+				// work-around: use 3rd param. don't just put exception object in 3rd param -- info overload: stack trace, etc
+				Log.Logger.Error(lfEx, "Error scanning library. Login failed. {@DebugInfo}", new
+				{
+					lfEx.RequestUrl,
+					ResponseStatusCodeNumber = (int)lfEx.ResponseStatusCode,
+					ResponseStatusCodeDesc = lfEx.ResponseStatusCode,
+					lfEx.ResponseInputFields,
+					lfEx.ResponseBodyFilePaths
+				});
+				throw;
+			}
+			catch (Exception ex)
+			{
+				Log.Logger.Error(ex, "Error importing library");
+				throw;
+			}
+            finally
+            {
+				LibraryResponseGroups = LibraryOptions.ResponseGroupOptions.ALL_OPTIONS;
+            }
+		}
 		#region FULL LIBRARY scan and import
 		public static async Task<(int totalCount, int newCount)> ImportAccountAsync(Func<Account, ILoginCallback> loginCallbackFactoryFunc, params Account[] accounts)
 		{
@@ -95,7 +146,7 @@ namespace ApplicationServices
 				Account = account?.MaskedLogEntry ?? "[null]"
 			});
 
-			var dtoItems = await AudibleApiActions.GetLibraryValidatedAsync(api);
+			var dtoItems = await AudibleApiActions.GetLibraryValidatedAsync(api, LibraryResponseGroups);
 			return dtoItems.Select(d => new ImportItem { DtoItem = d, AccountId = account.AccountId, LocaleName = account.Locale?.Name }).ToList();
 		}
 

FileLiberator/BackupBook.cs

@@ -1,57 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using DataLayer;
-using Dinah.Core.ErrorHandling;
-using FileManager;
-
-namespace FileLiberator
-{
-    /// <summary>
-    /// Download DRM book and decrypt audiobook files
-    /// 
-    /// Processes:
-    /// Download: download aax file: the DRM encrypted audiobook
-    /// Decrypt: remove DRM encryption from audiobook. Store final book
-    /// Backup: perform all steps (downloaded, decrypt) still needed to get final book
-    /// </summary>
-    public class BackupBook : IProcessable
-    {
-        public event EventHandler<LibraryBook> Begin;
-        public event EventHandler<string> StatusUpdate;
-        public event EventHandler<LibraryBook> Completed;
-
-        public DownloadDecryptBook DownloadDecryptBook { get; } = new DownloadDecryptBook();
-		public DownloadPdf DownloadPdf { get; } = new DownloadPdf();
-
-		public bool Validate(LibraryBook libraryBook)
-            => !ApplicationServices.TransitionalFileLocator.Audio_Exists(libraryBook.Book);
-
-		// do NOT use ConfigureAwait(false) on ProcessAsync()
-		// often calls events which prints to forms in the UI context
-		public async Task<StatusHandler> ProcessAsync(LibraryBook libraryBook)
-        {
-            Begin?.Invoke(this, libraryBook);
-
-            try
-			{
-				{
-					var statusHandler = await DownloadDecryptBook.TryProcessAsync(libraryBook);
-					if (statusHandler.HasErrors)
-						return statusHandler;
-				}
-
-				{
-					var statusHandler = await DownloadPdf.TryProcessAsync(libraryBook);
-					if (statusHandler.HasErrors)
-						return statusHandler;
-				}
-
-				return new StatusHandler();
-			}
-			finally
-            {
-                Completed?.Invoke(this, libraryBook);
-            }
-        }
-	}
-}

FileLiberator/ConvertToMp3.cs

@@ -3,6 +3,7 @@ using DataLayer;
 using Dinah.Core;
 using Dinah.Core.ErrorHandling;
 using Dinah.Core.IO;
+using Dinah.Core.Net.Http;
 using FileManager;
 using System;
 using System.IO;
@@ -11,25 +12,26 @@ using System.Threading.Tasks;
 
 namespace FileLiberator
 {
-    public class ConvertToMp3 : IDecryptable
+    public class ConvertToMp3 : IAudioDecodable
     {
-        public event EventHandler<string> DecryptBegin;
-        public event EventHandler<string> TitleDiscovered;
-        public event EventHandler<string> AuthorsDiscovered;
-        public event EventHandler<string> NarratorsDiscovered;
-        public event EventHandler<byte[]> CoverImageFilepathDiscovered;
-        public event EventHandler<int> UpdateProgress;
-        public event EventHandler<TimeSpan> UpdateRemainingTime;
-        public event EventHandler<string> DecryptCompleted;
-        public event EventHandler<LibraryBook> Begin;
-        public event EventHandler<LibraryBook> Completed;
-
-        public event EventHandler<string> StatusUpdate;
-        public event EventHandler<Action<byte[]>> RequestCoverArt;
 
         private Mp4File m4bBook;
 
-        private string Mp3FileName(string m4bPath) => m4bPath is null ? string.Empty : PathLib.ReplaceExtension(m4bPath, ".mp3");
+		public event EventHandler<TimeSpan> StreamingTimeRemaining;
+		public event EventHandler<Action<byte[]>> RequestCoverArt;
+		public event EventHandler<string> TitleDiscovered;
+		public event EventHandler<string> AuthorsDiscovered;
+		public event EventHandler<string> NarratorsDiscovered;
+		public event EventHandler<byte[]> CoverImageDiscovered;
+		public event EventHandler<string> StreamingBegin;
+		public event EventHandler<DownloadProgress> StreamingProgressChanged;
+		public event EventHandler<string> StreamingCompleted;
+		public event EventHandler<LibraryBook> Begin;
+		public event EventHandler<string> StatusUpdate;
+		public event EventHandler<LibraryBook> Completed;
+
+        private long fileSize;
+		private string Mp3FileName(string m4bPath) => m4bPath is null ? string.Empty : PathLib.ReplaceExtension(m4bPath, ".mp3");
 
         public void Cancel() => m4bBook?.Cancel();
 
@@ -43,19 +45,20 @@ namespace FileLiberator
         {
             Begin?.Invoke(this, libraryBook);
 
-            DecryptBegin?.Invoke(this, $"Begin converting {libraryBook} to mp3");
+            StreamingBegin?.Invoke(this, $"Begin converting {libraryBook} to mp3");
 
             try
             {
                 var m4bPath = ApplicationServices.TransitionalFileLocator.Audio_GetPath(libraryBook.Book);
-
                 m4bBook = new Mp4File(m4bPath, FileAccess.Read);
                 m4bBook.ConversionProgressUpdate += M4bBook_ConversionProgressUpdate;
 
+                fileSize = m4bBook.InputStream.Length;
+
                 TitleDiscovered?.Invoke(this, m4bBook.AppleTags.Title);
                 AuthorsDiscovered?.Invoke(this, m4bBook.AppleTags.FirstAuthor);
                 NarratorsDiscovered?.Invoke(this, m4bBook.AppleTags.Narrator);
-                CoverImageFilepathDiscovered?.Invoke(this, m4bBook.AppleTags.Cover);
+                CoverImageDiscovered?.Invoke(this, m4bBook.AppleTags.Cover);
 
                 using var mp3File = File.OpenWrite(Path.GetTempFileName());
 
@@ -76,7 +79,7 @@ namespace FileLiberator
             }
             finally
             {
-                DecryptCompleted?.Invoke(this, $"Completed converting to mp3: {libraryBook.Book.Title}");
+                StreamingCompleted?.Invoke(this, $"Completed converting to mp3: {libraryBook.Book.Title}");
                 Completed?.Invoke(this, libraryBook);
             }
         }
@@ -88,11 +91,17 @@ namespace FileLiberator
             double estTimeRemaining = remainingSecsToProcess / e.ProcessSpeed;
 
             if (double.IsNormal(estTimeRemaining))
-                UpdateRemainingTime?.Invoke(this, TimeSpan.FromSeconds(estTimeRemaining));
+                StreamingTimeRemaining?.Invoke(this, TimeSpan.FromSeconds(estTimeRemaining));
 
             double progressPercent = 100 * e.ProcessPosition.TotalSeconds / duration.TotalSeconds;
 
-            UpdateProgress?.Invoke(this, (int)progressPercent);
+            StreamingProgressChanged?.Invoke(this,
+                new DownloadProgress
+                {
+                    ProgressPercentage = progressPercent,
+                    BytesReceived = (long)(fileSize * progressPercent),
+                    TotalBytesToReceive = fileSize
+                });
         }
     }
 }

FileLiberator/DownloadDecryptBook.cs

@@ -8,27 +8,30 @@ using AudibleApi;
 using DataLayer;
 using Dinah.Core;
 using Dinah.Core.ErrorHandling;
+using Dinah.Core.Net.Http;
 using FileManager;
 
 namespace FileLiberator
 {
-    public class DownloadDecryptBook : IDecryptable
+    public class DownloadDecryptBook : IAudioDecodable
     {
-        public event EventHandler<Action<byte[]>> RequestCoverArt;
-        public event EventHandler<LibraryBook> Begin;
-        public event EventHandler<string> DecryptBegin;
-        public event EventHandler<string> TitleDiscovered;
-        public event EventHandler<string> AuthorsDiscovered;
-        public event EventHandler<string> NarratorsDiscovered;
-        public event EventHandler<byte[]> CoverImageFilepathDiscovered;
-        public event EventHandler<int> UpdateProgress;
-        public event EventHandler<TimeSpan> UpdateRemainingTime;
-        public event EventHandler<string> DecryptCompleted;
-        public event EventHandler<LibraryBook> Completed;
-        public event EventHandler<string> StatusUpdate;
 
-        private AaxcDownloadConverter aaxcDownloader;
+		private AaxcDownloadConverter aaxcDownloader;
-        public async Task<StatusHandler> ProcessAsync(LibraryBook libraryBook)
+
+		public event EventHandler<TimeSpan> StreamingTimeRemaining;
+		public event EventHandler<Action<byte[]>> RequestCoverArt;
+		public event EventHandler<string> TitleDiscovered;
+		public event EventHandler<string> AuthorsDiscovered;
+		public event EventHandler<string> NarratorsDiscovered;
+		public event EventHandler<byte[]> CoverImageDiscovered;
+		public event EventHandler<string> StreamingBegin;
+		public event EventHandler<DownloadProgress> StreamingProgressChanged;
+		public event EventHandler<string> StreamingCompleted;
+		public event EventHandler<LibraryBook> Begin;
+		public event EventHandler<string> StatusUpdate;
+		public event EventHandler<LibraryBook> Completed;
+
+		public async Task<StatusHandler> ProcessAsync(LibraryBook libraryBook)
         {
             Begin?.Invoke(this, libraryBook);
 
@@ -63,7 +66,7 @@ namespace FileLiberator
 
         private async Task<string> aaxToM4bConverterDecryptAsync(string cacheDir, string destinationDir, LibraryBook libraryBook)
         {
-            DecryptBegin?.Invoke(this, $"Begin decrypting {libraryBook}");
+            StreamingBegin?.Invoke(this, $"Begin decrypting {libraryBook}");
 
             try
             {
@@ -78,7 +81,7 @@ namespace FileLiberator
                     contentLic?.ContentMetadata?.ContentUrl?.OfflineUrl,
                     contentLic?.Voucher?.Key,
                     contentLic?.Voucher?.Iv,
-                    "Audible/671 CFNetwork/1240.0.4 Darwin/20.6.0"
+                    Resources.UserAgent
                     );
 
                 if (Configuration.Instance.AllowLibationFixup)
@@ -103,8 +106,8 @@ namespace FileLiberator
 
 
                 aaxcDownloader = new AaxcDownloadConverter(outFileName, cacheDir, aaxcDecryptDlLic, format) { AppName = "Libation" };
-                aaxcDownloader.DecryptProgressUpdate += (s, progress) => UpdateProgress?.Invoke(this, progress);
+                aaxcDownloader.DecryptProgressUpdate += (s, progress) => StreamingProgressChanged?.Invoke(this, progress);
-                aaxcDownloader.DecryptTimeRemaining += (s, remaining) => UpdateRemainingTime?.Invoke(this, remaining);
+                aaxcDownloader.DecryptTimeRemaining += (s, remaining) => StreamingTimeRemaining?.Invoke(this, remaining);
                 aaxcDownloader.RetrievedCoverArt += AaxcDownloader_RetrievedCoverArt;
                 aaxcDownloader.RetrievedTags += aaxcDownloader_RetrievedTags;
 
@@ -119,11 +122,12 @@ namespace FileLiberator
             }
             finally
             {
-                DecryptCompleted?.Invoke(this, $"Completed downloading and decrypting {libraryBook.Book.Title}");
+                StreamingCompleted?.Invoke(this, $"Completed downloading and decrypting {libraryBook.Book.Title}");
             }
         }
 
-        private void AaxcDownloader_RetrievedCoverArt(object sender, byte[] e)
+
+		private void AaxcDownloader_RetrievedCoverArt(object sender, byte[] e)
         {
             if (e is null && Configuration.Instance.AllowLibationFixup)
             {
@@ -132,7 +136,7 @@ namespace FileLiberator
 
             if (e is not null)
             {
-                CoverImageFilepathDiscovered?.Invoke(this, e);
+                CoverImageDiscovered?.Invoke(this, e);
             }
         }
 

FileLiberator/DownloadFile.cs

@@ -6,20 +6,21 @@ using Dinah.Core.Net.Http;
 namespace FileLiberator
 {
 	// currently only used to download the .zip flies for upgrade
-	public class DownloadFile : IDownloadable
+	public class DownloadFile : IStreamable
 	{
-		public event EventHandler<string> DownloadBegin;
+		public event EventHandler<string> StreamingBegin;
-		public event EventHandler<DownloadProgress> DownloadProgressChanged;
+		public event EventHandler<DownloadProgress> StreamingProgressChanged;
-		public event EventHandler<string> DownloadCompleted;
+		public event EventHandler<string> StreamingCompleted;
+		public event EventHandler<TimeSpan> StreamingTimeRemaining;
 
 		public async Task<string> PerformDownloadFileAsync(string downloadUrl, string proposedDownloadFilePath)
 		{
 			var client = new HttpClient();
 
 			var progress = new Progress<DownloadProgress>();
-			progress.ProgressChanged += (_, e) => DownloadProgressChanged?.Invoke(this, e);
+			progress.ProgressChanged += (_, e) => StreamingProgressChanged?.Invoke(this, e);
 
-			DownloadBegin?.Invoke(this, proposedDownloadFilePath);
+			StreamingBegin?.Invoke(this, proposedDownloadFilePath);
 
 			try
 			{
@@ -28,7 +29,7 @@ namespace FileLiberator
 			}
 			finally
 			{
-				DownloadCompleted?.Invoke(this, proposedDownloadFilePath);
+				StreamingCompleted?.Invoke(this, proposedDownloadFilePath);
 			}
 		}
 	}

FileLiberator/DownloadableBase.cs

@@ -6,16 +6,18 @@ using Dinah.Core.Net.Http;
 
 namespace FileLiberator
 {
-	public abstract class DownloadableBase : IDownloadableProcessable
+	public abstract class DownloadableBase : IProcessable
 	{
 		public event EventHandler<LibraryBook> Begin;
 		public event EventHandler<LibraryBook> Completed;
 
-		public event EventHandler<string> DownloadBegin;
+		public event EventHandler<string> StreamingBegin;
-		public event EventHandler<DownloadProgress> DownloadProgressChanged;
+		public event EventHandler<DownloadProgress> StreamingProgressChanged;
-		public event EventHandler<string> DownloadCompleted;
+		public event EventHandler<string> StreamingCompleted;
 
 		public event EventHandler<string> StatusUpdate;
+		public event EventHandler<TimeSpan> StreamingTimeRemaining;
+
 		protected void Invoke_StatusUpdate(string message) => StatusUpdate?.Invoke(this, message);
 
         public abstract bool Validate(LibraryBook libraryBook);
@@ -44,9 +46,9 @@ namespace FileLiberator
 		protected async Task<string> PerformDownloadAsync(string proposedDownloadFilePath, Func<Progress<DownloadProgress>, Task<string>> func)
 		{
 			var progress = new Progress<DownloadProgress>();
-			progress.ProgressChanged += (_, e) => DownloadProgressChanged?.Invoke(this, e);
+			progress.ProgressChanged += (_, e) => StreamingProgressChanged?.Invoke(this, e);
 
-			DownloadBegin?.Invoke(this, proposedDownloadFilePath);
+			StreamingBegin?.Invoke(this, proposedDownloadFilePath);
 
 			try
 			{
@@ -57,7 +59,7 @@ namespace FileLiberator
 			}
 			finally
 			{
-				DownloadCompleted?.Invoke(this, proposedDownloadFilePath);
+				StreamingCompleted?.Invoke(this, proposedDownloadFilePath);
 			}
 		}
 	}

FileLiberator/IAudioDecodable.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace FileLiberator
+{
+    public interface IAudioDecodable : IProcessable
+    {
+        event EventHandler<Action<byte[]>> RequestCoverArt;
+        event EventHandler<string> TitleDiscovered;
+        event EventHandler<string> AuthorsDiscovered;
+        event EventHandler<string> NarratorsDiscovered;
+        event EventHandler<byte[]> CoverImageDiscovered;
+        void Cancel();
+    }
+}

FileLiberator/IDecryptable.cs

@@ -1,20 +0,0 @@
-using System;
-
-namespace FileLiberator
-{
-    public interface IDecryptable : IProcessable
-    {
-        event EventHandler<string> DecryptBegin;
-
-        event EventHandler<Action<byte[]>> RequestCoverArt;
-        event EventHandler<string> TitleDiscovered;
-        event EventHandler<string> AuthorsDiscovered;
-        event EventHandler<string> NarratorsDiscovered;
-        event EventHandler<byte[]> CoverImageFilepathDiscovered;
-        event EventHandler<int> UpdateProgress;
-        event EventHandler<TimeSpan> UpdateRemainingTime;
-
-        event EventHandler<string> DecryptCompleted;
-        void Cancel();
-    }
-}

FileLiberator/IDownloadable.cs

@@ -1,12 +0,0 @@
-using System;
-using Dinah.Core.Net.Http;
-
-namespace FileLiberator
-{
-    public interface IDownloadable 
-    {
-        event EventHandler<string> DownloadBegin;
-        event EventHandler<DownloadProgress> DownloadProgressChanged;
-        event EventHandler<string> DownloadCompleted;
-    }
-}

FileLiberator/IDownloadableProcessable.cs

@@ -1,4 +0,0 @@
-namespace FileLiberator
-{
-    public interface IDownloadableProcessable : IDownloadable, IProcessable { }
-}

FileLiberator/IProcessable.cs

@@ -5,7 +5,7 @@ using Dinah.Core.ErrorHandling;
 
 namespace FileLiberator
 {
-    public interface IProcessable
+    public interface IProcessable : IStreamable
     {
         event EventHandler<LibraryBook> Begin;
 

FileLiberator/IProcessableExt.cs

@@ -23,17 +23,12 @@ namespace FileLiberator
             .GetLibrary_Flat_NoTracking()
             .Where(libraryBook => processable.Validate(libraryBook));
 
-        public static async Task<StatusHandler> ProcessSingleAsync(this IProcessable processable, LibraryBook libraryBook)
+        public static async Task<StatusHandler> ProcessSingleAsync(this IProcessable processable, LibraryBook libraryBook, bool validate)
         {
-            if (!processable.Validate(libraryBook))
+            if (validate && !processable.Validate(libraryBook))
                 return new StatusHandler { "Validation failed" };
 
-            return await processable.ProcessBookAsync_NoValidation(libraryBook);
+            Serilog.Log.Logger.Information("Begin " + nameof(ProcessSingleAsync) + " {@DebugInfo}", new
-        }
-
-        public static async Task<StatusHandler> ProcessBookAsync_NoValidation(this IProcessable processable, LibraryBook libraryBook)
-        {
-            Serilog.Log.Logger.Information("Begin " + nameof(ProcessBookAsync_NoValidation) + " {@DebugInfo}", new
             {
                 libraryBook.Book.Title,
                 libraryBook.Book.AudibleProductId,

FileLiberator/IStreamable.cs

@@ -0,0 +1,13 @@
+using System;
+using Dinah.Core.Net.Http;
+
+namespace FileLiberator
+{
+    public interface IStreamable
+    {
+        event EventHandler<string> StreamingBegin;
+		event EventHandler<DownloadProgress> StreamingProgressChanged;
+        event EventHandler<TimeSpan> StreamingTimeRemaining;
+        event EventHandler<string> StreamingCompleted;
+    }
+}

FileManager/AudibleFileStorage.cs

@@ -34,7 +34,7 @@ namespace FileManager
             }
         }
 
-        private static BackgroundFileSystem BookDirectoryFiles { get; } = new BackgroundFileSystem();
+        private static BackgroundFileSystem BookDirectoryFiles { get; set; }
         #endregion
 
         #region instance
@@ -47,6 +47,7 @@ namespace FileManager
 		{
 			extensions_noDots = Extensions.Select(ext => ext.Trim('.')).ToList();
 			extAggr = extensions_noDots.Aggregate((a, b) => $"{a}|{b}");
+            BookDirectoryFiles ??= new BackgroundFileSystem(BooksDirectory, "*.*", SearchOption.AllDirectories);
         }
 
         public void Refresh()
@@ -76,7 +77,15 @@ namespace FileManager
             {
                 //If user changed the BooksDirectory, reinitialize.
                 if (storageDir != BookDirectoryFiles.RootDirectory)
-                    BookDirectoryFiles.Init(storageDir, "*.*", SearchOption.AllDirectories);
+				{
+                    lock (BookDirectoryFiles)
+                    {
+                        if (storageDir != BookDirectoryFiles.RootDirectory)
+                        {
+                            BookDirectoryFiles = new BackgroundFileSystem(storageDir, "*.*", SearchOption.AllDirectories);
+                        }
+                    }
+				}
 
                 firstOrNull = BookDirectoryFiles.FindFile(regexPattern, RegexOptions.IgnoreCase);
             }

FileManager/BackgroundFileSystem.cs

@@ -18,12 +18,19 @@ namespace FileManager
         private FileSystemWatcher fileSystemWatcher { get; set; }
         private BlockingCollection<FileSystemEventArgs> directoryChangesEvents { get; set; }
         private Task backgroundScanner { get; set; }
-        private List<string> fsCache { get; set; }
+        private List<string> fsCache { get; } = new();
+
+        public BackgroundFileSystem(string rootDirectory, string searchPattern, SearchOption searchOptions)
+        {
+            RootDirectory = rootDirectory;
+            SearchPattern = searchPattern;
+            SearchOption = searchOptions;
+
+            Init();
+        }
 
         public string FindFile(string regexPattern, RegexOptions options)
         {
-            if (fsCache is null) return null;
-
             lock (fsCache)
             {
                 return fsCache.FirstOrDefault(s => Regex.IsMatch(s, regexPattern, options));
@@ -32,8 +39,6 @@ namespace FileManager
 
         public void RefreshFiles()
         {
-            if (fsCache is null) return;
-
             lock (fsCache)
             {
                 fsCache.Clear();
@@ -41,19 +46,12 @@ namespace FileManager
             }
         }
 
-        public void Init(string rootDirectory, string searchPattern, SearchOption searchOptions)
+        private void Init()
         {
-            RootDirectory = rootDirectory;
+            Stop();
-            SearchPattern = searchPattern;
-            SearchOption = searchOptions;
 
-            //Calling CompleteAdding() will cause background scanner to terminate.
+            lock (fsCache)
-            directoryChangesEvents?.CompleteAdding();
+                fsCache.AddRange(Directory.EnumerateFiles(RootDirectory, SearchPattern, SearchOption));
-            fsCache?.Clear();
-            directoryChangesEvents?.Dispose();
-            fileSystemWatcher?.Dispose();
-
-            fsCache = Directory.EnumerateFiles(RootDirectory, SearchPattern, SearchOption).ToList();
 
             directoryChangesEvents = new BlockingCollection<FileSystemEventArgs>();
             fileSystemWatcher = new FileSystemWatcher(RootDirectory);
@@ -64,28 +62,31 @@ namespace FileManager
             fileSystemWatcher.IncludeSubdirectories = true;
             fileSystemWatcher.EnableRaisingEvents = true;
 
-            //Wait for background scanner to terminate before reinitializing.
-            backgroundScanner?.Wait();
             backgroundScanner = new Task(BackgroundScanner);
             backgroundScanner.Start();
         }
+        private void Stop()
+        {
+            //Stop raising events
+            fileSystemWatcher?.Dispose();
 
-        private void AddUniqueFiles(IEnumerable<string> newFiles)
+            //Calling CompleteAdding() will cause background scanner to terminate.
-        {
+            directoryChangesEvents?.CompleteAdding();
-            foreach (var file in newFiles)
+
-            {
+            //Wait for background scanner to terminate before reinitializing.
-                AddUniqueFile(file);
+            backgroundScanner?.Wait();
-            }
+
-        }
+            //Dispose of directoryChangesEvents after backgroundScanner exists.
-        private void AddUniqueFile(string newFile)
+            directoryChangesEvents?.Dispose();
-        {
+
-            if (!fsCache.Contains(newFile))
+            lock (fsCache)
-                fsCache.Add(newFile);
+                fsCache.Clear();
         }
 
         private void FileSystemWatcher_Error(object sender, ErrorEventArgs e)
         {
-            Init(RootDirectory, SearchPattern, SearchOption);
+            Stop();
+            Init();
         }
 
         private void FileSystemWatcher_Changed(object sender, FileSystemEventArgs e)
@@ -97,28 +98,26 @@ namespace FileManager
         private void BackgroundScanner()
         {
             while (directoryChangesEvents.TryTake(out FileSystemEventArgs change, -1))
-                UpdateLocalCache(change);
+            {
+                lock (fsCache)
+                    UpdateLocalCache(change);
+            }
         }
 
         private void UpdateLocalCache(FileSystemEventArgs change)
         {
-            lock (fsCache)
+            if (change.ChangeType == WatcherChangeTypes.Deleted)
             {
-                if (change.ChangeType == WatcherChangeTypes.Deleted)
+                RemovePath(change.FullPath);
-                {
+            }
-                    RemovePath(change.FullPath);
+            else if (change.ChangeType == WatcherChangeTypes.Created)
-                }
+            {
-                else if (change.ChangeType == WatcherChangeTypes.Created)
+                AddPath(change.FullPath);
-                {
+            }
-                    AddPath(change.FullPath);
+            else if (change.ChangeType == WatcherChangeTypes.Renamed && change is RenamedEventArgs renameChange)
-                }
+            {
-                else if (change.ChangeType == WatcherChangeTypes.Renamed)
+                RemovePath(renameChange.OldFullPath);
-                {
+                AddPath(renameChange.FullPath);
-                    var renameChange = change as RenamedEventArgs;
-
-                    RemovePath(renameChange.OldFullPath);
-                    AddPath(renameChange.FullPath);
-                }
             }
         }
 
@@ -137,6 +136,21 @@ namespace FileManager
             else
                 AddUniqueFile(path);
         }
+        private void AddUniqueFiles(IEnumerable<string> newFiles)
+        {
+            foreach (var file in newFiles)
+            {
+                AddUniqueFile(file);
+            }
+        }
+        private void AddUniqueFile(string newFile)
+        {
+            if (!fsCache.Contains(newFile))
+                fsCache.Add(newFile);
+        }
+
         #endregion
+
+        ~BackgroundFileSystem() => Stop();
     }
 }

FileManager/PictureStorage.cs

@@ -1,12 +1,19 @@
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Net.Http;
+using System.Threading.Tasks;
 
 namespace FileManager
 {
-	public enum PictureSize { _80x80, _300x300, _500x500 }
+	public enum PictureSize { _80x80 = 80, _300x300 = 300, _500x500 = 500 }
+	public class PictureCachedEventArgs : EventArgs
+	{
+		public PictureDefinition Definition { get; internal set; }
+		public byte[] Picture { get; internal set; }
+	}
 	public struct PictureDefinition
 	{
 		public string PictureId { get; }
@@ -27,34 +34,60 @@ namespace FileManager
 		private static string getPath(PictureDefinition def)
 			=> Path.Combine(ImagesDirectory, $"{def.PictureId}{def.Size}.jpg");
 
-		private static System.Timers.Timer timer { get; }
 		static PictureStorage()
 		{
-			timer = new System.Timers.Timer(700)
+			new Task(BackgroundDownloader, TaskCreationOptions.LongRunning)
-			{
+			.Start();
-				AutoReset = true,
-				Enabled = true
-			};
-			timer.Elapsed += (_, __) => timerDownload();
 		}
 
-		public static event EventHandler<string> PictureCached;
+		public static event EventHandler<PictureCachedEventArgs> PictureCached;
 
+		private static BlockingCollection<PictureDefinition> DownloadQueue { get; } = new BlockingCollection<PictureDefinition>();
 		private static Dictionary<PictureDefinition, byte[]> cache { get; } = new Dictionary<PictureDefinition, byte[]>();
+		private static Dictionary<PictureSize, byte[]> defaultImages { get; } = new Dictionary<PictureSize, byte[]>();
 		public static (bool isDefault, byte[] bytes) GetPicture(PictureDefinition def)
 		{
-			if (!cache.ContainsKey(def))
+			lock (cache)
 			{
+				if (cache.ContainsKey(def))
+					return (false, cache[def]);
+
 				var path = getPath(def);
-				cache[def]
+
-					= File.Exists(path)
+				if (File.Exists(path))
-					? File.ReadAllBytes(path)
+				{
-					: null;
+					cache[def] = File.ReadAllBytes(path);
+					return (false, cache[def]);
+				}
+
+				DownloadQueue.Add(def);
+				return (true, getDefaultImage(def.Size));
+			}
+		}
+
+		public static byte[] GetPictureSynchronously(PictureDefinition def)
+		{
+			lock (cache)
+			{
+				if (!cache.ContainsKey(def) || cache[def] == null)
+				{
+					var path = getPath(def);
+					byte[] bytes;
+
+					if (File.Exists(path))
+						bytes = File.ReadAllBytes(path);
+					else
+					{
+						bytes = downloadBytes(def);
+						saveFile(def, bytes);
+					}
+
+					cache[def] = bytes;
+				}
+				return cache[def];
 			}
-			return (cache[def] == null, cache[def] ?? getDefaultImage(def.Size));
 		}
 
-		private static Dictionary<PictureSize, byte[]> defaultImages { get; } = new Dictionary<PictureSize, byte[]>();
 		public static void SetDefaultImage(PictureSize pictureSize, byte[] bytes)
 			=> defaultImages[pictureSize] = bytes;
 		private static byte[] getDefaultImage(PictureSize size)
@@ -62,45 +95,26 @@ namespace FileManager
 			? defaultImages[size]
 			: new byte[0];
 
-		// necessary to avoid IO errors. ReadAllBytes and WriteAllBytes can conflict in some cases, esp when debugging
+		static void BackgroundDownloader()
-		private static bool isProcessing;
-		private static void timerDownload()
 		{
-			// must live outside try-catch, else 'finally' can reset another thread's lock
+			while (!DownloadQueue.IsCompleted)
-			if (isProcessing)
-				return;
-
-			try
 			{
-				isProcessing = true;
+				if (!DownloadQueue.TryTake(out var def, System.Threading.Timeout.InfiniteTimeSpan))
-
+					continue;
-				var def = cache
-					.Where(kvp => kvp.Value is null)
-					.Select(kvp => kvp.Key)
-					// 80x80 should be 1st since it's enum value == 0
-					.OrderBy(d => d.PictureId)
-					.FirstOrDefault();
-
-				// no more null entries. all requsted images are cached
-				if (string.IsNullOrWhiteSpace(def.PictureId))
-					return;
 
 				var bytes = downloadBytes(def);
 				saveFile(def, bytes);
-				cache[def] = bytes;
+				lock (cache)
+					cache[def] = bytes;
 
-				PictureCached?.Invoke(nameof(PictureStorage), def.PictureId);
+				PictureCached?.Invoke(nameof(PictureStorage), new PictureCachedEventArgs { Definition = def, Picture = bytes });
-			}
-			finally
-			{
-				isProcessing = false;
 			}
 		}
 
 		private static HttpClient imageDownloadClient { get; } = new HttpClient();
 		private static byte[] downloadBytes(PictureDefinition def)
 		{
-			var sz = def.Size.ToString().Split('x')[1];
+			var sz = (int)def.Size;
 			return imageDownloadClient.GetByteArrayAsync("ht" + $"tps://images-na.ssl-images-amazon.com/images/I/{def.PictureId}._SL{sz}_.jpg").Result;
 		}
 

InternalUtilities/AudibleApiActions.cs

@@ -47,18 +47,18 @@ namespace InternalUtilities
 			// 2 retries == 3 total
 			.RetryAsync(2);
 
-		public static Task<List<Item>> GetLibraryValidatedAsync(Api api)
+		public static Task<List<Item>> GetLibraryValidatedAsync(Api api, LibraryOptions.ResponseGroupOptions responseGroups = LibraryOptions.ResponseGroupOptions.ALL_OPTIONS)
 		{
 			// bug on audible's side. the 1st time after a long absence, a query to get library will return without titles or authors. a subsequent identical query will be successful. this is true whether or tokens are refreshed
 			// worse, this 1st dummy call doesn't seem to help:
 			//    var page = await api.GetLibraryAsync(new AudibleApi.LibraryOptions { NumberOfResultPerPage = 1, PageNumber = 1, PurchasedAfter = DateTime.Now.AddYears(-20), ResponseGroups = AudibleApi.LibraryOptions.ResponseGroupOptions.ALL_OPTIONS });
 			// i don't want to incur the cost of making a full dummy call every time because it fails sometimes
-			return policy.ExecuteAsync(() => getItemsAsync(api));
+			return policy.ExecuteAsync(() => getItemsAsync(api, responseGroups));
 		}
 
-		private static async Task<List<Item>> getItemsAsync(Api api)
+		private static async Task<List<Item>> getItemsAsync(Api api, LibraryOptions.ResponseGroupOptions responseGroups)
 		{
-			var items = await api.GetAllLibraryItemsAsync();
+			var items = await api.GetAllLibraryItemsAsync(responseGroups);
 
 			// remove episode parents
 			items.RemoveAll(i => i.IsEpisodes);

Libation.sln

@@ -74,8 +74,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ApplicationServices", "Appl
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Dinah.Core.WindowsDesktop", "..\Dinah.Core\Dinah.Core.WindowsDesktop\Dinah.Core.WindowsDesktop.csproj", "{059CE32C-9AD6-45E9-A166-790DFFB0B730}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WindowsDesktopUtilities", "WindowsDesktopUtilities\WindowsDesktopUtilities.csproj", "{E7EFD64D-6630-4426-B09C-B6862A92E3FD}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LibationLauncher", "LibationLauncher\LibationLauncher.csproj", "{F3B04A3A-20C8-4582-A54A-715AF6A5D859}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "0 Libation Tests", "0 Libation Tests", "{67E66E82-5532-4440-AFB3-9FB1DF9DEF53}"
@@ -190,10 +188,6 @@ Global
 		{059CE32C-9AD6-45E9-A166-790DFFB0B730}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{059CE32C-9AD6-45E9-A166-790DFFB0B730}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{059CE32C-9AD6-45E9-A166-790DFFB0B730}.Release|Any CPU.Build.0 = Release|Any CPU
-		{E7EFD64D-6630-4426-B09C-B6862A92E3FD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{E7EFD64D-6630-4426-B09C-B6862A92E3FD}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{E7EFD64D-6630-4426-B09C-B6862A92E3FD}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{E7EFD64D-6630-4426-B09C-B6862A92E3FD}.Release|Any CPU.Build.0 = Release|Any CPU
 		{F3B04A3A-20C8-4582-A54A-715AF6A5D859}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{F3B04A3A-20C8-4582-A54A-715AF6A5D859}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F3B04A3A-20C8-4582-A54A-715AF6A5D859}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -243,7 +237,6 @@ Global
 		{282EEE16-F569-47E1-992F-C6DB8AEC7AA6} = {F61184E7-2426-4A13-ACEF-5689928E2CE2}
 		{B95650EA-25F0-449E-BA5D-99126BC5D730} = {41CDCC73-9B81-49DD-9570-C54406E852AF}
 		{059CE32C-9AD6-45E9-A166-790DFFB0B730} = {43E3ACB3-E0BC-4370-8DBB-E3720C8C8FD1}
-		{E7EFD64D-6630-4426-B09C-B6862A92E3FD} = {F0CBB7A7-D3FB-41FF-8F47-CF3F6A592249}
 		{F3B04A3A-20C8-4582-A54A-715AF6A5D859} = {8679CAC8-9164-4007-BDD2-F004810EDA14}
 		{8447C956-B03E-4F59-9DD4-877793B849D9} = {67E66E82-5532-4440-AFB3-9FB1DF9DEF53}
 		{C5B21768-C7C9-4FCB-AC1E-187B223D5A98} = {67E66E82-5532-4440-AFB3-9FB1DF9DEF53}

LibationLauncher/LibationLauncher.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
@@ -13,7 +13,11 @@
     <!-- <PublishSingleFile>true</PublishSingleFile> -->
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
 
-    <Version>5.4.9.0</Version>
+    <Version>5.4.9.280</Version>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <DefineConstants>TRACE;DEBUG</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup>

LibationLauncher/Program.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Windows.Forms;
-using AudibleApi;
 using AudibleApi.Authorization;
 using DataLayer;
 using Microsoft.EntityFrameworkCore;
@@ -13,7 +12,6 @@ using FileManager;
 using InternalUtilities;
 using LibationWinForms;
 using LibationWinForms.Dialogs;
-using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Serilog;
 
@@ -59,8 +57,10 @@ namespace LibationLauncher
 			ensureSerilogConfig(config);
 			configureLogging(config);
 			logStartupState(config);
-			checkForUpdate(config);
 
+#if !DEBUG
+			checkForUpdate(config);
+#endif
 			Application.Run(new Form1());
 		}
 

LibationWinForms/AsyncNotifyPropertyChanged.cs

@@ -0,0 +1,16 @@
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+using System.Threading;
+
+namespace LibationWinForms
+{
+	public abstract class AsyncNotifyPropertyChanged : SynchronizeInvoker, INotifyPropertyChanged
+	{
+		public event PropertyChangedEventHandler PropertyChanged;
+
+		public AsyncNotifyPropertyChanged() { }
+
+		protected void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
+			=>BeginInvoke(PropertyChanged, new object[] { this, new PropertyChangedEventArgs(propertyName) });
+	}
+}

LibationWinForms/BookLiberation/AudioConvertForm.cs

@@ -0,0 +1,24 @@
+using DataLayer;
+using System;
+
+namespace LibationWinForms.BookLiberation
+{
+	class AudioConvertForm : AudioDecodeForm
+	{
+		#region AudioDecodeForm overrides
+		public override string DecodeActionName => "Converting";
+		#endregion
+
+		#region IProcessable event handler overrides
+		public override void OnBegin(object sender, LibraryBook libraryBook)
+		{
+			LogMe.Info($"Convert Step, Begin: {libraryBook.Book}");
+
+			base.OnBegin(sender, libraryBook);
+		}
+		public override void OnCompleted(object sender, LibraryBook libraryBook)
+			=> LogMe.Info($"Convert Step, Completed: {libraryBook.Book}{Environment.NewLine}");
+
+		#endregion
+	}
+}

LibationWinForms/BookLiberation/AudioConvertForm.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/BookLiberation/AudioDecodeForm.Designer.cs

@@ -1,6 +1,6 @@
 namespace LibationWinForms.BookLiberation
 {
-    partial class DecryptForm
+    partial class AudioDecodeForm
     {
         /// <summary>
         /// Required designer variable.

LibationWinForms/BookLiberation/AudioDecodeForm.cs

@@ -0,0 +1,94 @@
+using DataLayer;
+using Dinah.Core.Net.Http;
+using Dinah.Core.Windows.Forms;
+using LibationWinForms.BookLiberation.BaseForms;
+using System;
+
+namespace LibationWinForms.BookLiberation
+{
+	public partial class AudioDecodeForm : LiberationBaseForm
+	{
+		public virtual string DecodeActionName { get; } = "Decoding";
+		public AudioDecodeForm() => InitializeComponent();
+
+		private Func<byte[]> GetCoverArtDelegate;
+
+		// book info
+		private string title;
+		private string authorNames;
+		private string narratorNames;
+
+		#region IProcessable event handler overrides
+		public override void OnBegin(object sender, LibraryBook libraryBook)
+		{
+			GetCoverArtDelegate = () => FileManager.PictureStorage.GetPictureSynchronously(
+						new FileManager.PictureDefinition(
+							libraryBook.Book.PictureId,
+							FileManager.PictureSize._500x500));
+
+			//Set default values from library
+			OnTitleDiscovered(sender, libraryBook.Book.Title);
+			OnAuthorsDiscovered(sender, string.Join(", ", libraryBook.Book.Authors));
+			OnNarratorsDiscovered(sender, string.Join(", ", libraryBook.Book.NarratorNames));
+			OnCoverImageDiscovered(sender,
+					FileManager.PictureStorage.GetPicture(
+						new FileManager.PictureDefinition(
+							libraryBook.Book.PictureId,
+							FileManager.PictureSize._80x80)).bytes);
+		}
+		#endregion
+
+		#region IStreamable event handler overrides
+		public override void OnStreamingBegin(object sender, string beginString) { }
+		public override void OnStreamingProgressChanged(object sender, DownloadProgress downloadProgress)
+		{
+			if (!downloadProgress.ProgressPercentage.HasValue)
+				return;
+
+			if (downloadProgress.ProgressPercentage == 0)
+				updateRemainingTime(0);
+			else
+				progressBar1.UIThread(() => progressBar1.Value = (int)downloadProgress.ProgressPercentage);
+		}
+
+		public override void OnStreamingTimeRemaining(object sender, TimeSpan timeRemaining)
+			=> updateRemainingTime((int)timeRemaining.TotalSeconds);
+
+		public override void OnStreamingCompleted(object sender, string completedString) { }
+		#endregion
+
+		#region IAudioDecodable event handlers
+		public override void OnRequestCoverArt(object sender, Action<byte[]> setCoverArtDelegate)
+			=> setCoverArtDelegate(GetCoverArtDelegate?.Invoke());
+
+		public override void OnTitleDiscovered(object sender, string title)
+		{
+			this.UIThread(() => this.Text = DecodeActionName + " " + title);
+			this.title = title;
+			updateBookInfo();
+		}
+
+		public override void OnAuthorsDiscovered(object sender, string authors)
+		{
+			authorNames = authors;
+			updateBookInfo();
+		}
+
+		public override void OnNarratorsDiscovered(object sender, string narrators)
+		{
+			narratorNames = narrators;
+			updateBookInfo();
+		}
+
+		public override void OnCoverImageDiscovered(object sender, byte[] coverArt) 
+			=> pictureBox1.UIThread(() => pictureBox1.Image = Dinah.Core.Drawing.ImageReader.ToImage(coverArt));
+		#endregion
+
+		// thread-safe UI updates
+		private void updateBookInfo()
+			=> bookInfoLbl.UIThread(() => bookInfoLbl.Text = $"{title}\r\nBy {authorNames}\r\nNarrated by {narratorNames}");
+
+		private void updateRemainingTime(int remaining)
+			=> remainingTimeLbl.UIThread(() => remainingTimeLbl.Text = $"ETA:\r\n{remaining} sec");
+	}
+}

LibationWinForms/BookLiberation/AudioDecodeForm.resx

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

LibationWinForms/BookLiberation/AudioDecryptForm.cs

@@ -0,0 +1,24 @@
+using DataLayer;
+using System;
+
+namespace LibationWinForms.BookLiberation
+{
+	class AudioDecryptForm : AudioDecodeForm
+	{
+		#region AudioDecodeForm overrides
+		public override string DecodeActionName => "Decrypting";
+		#endregion
+
+		#region IProcessable event handler overrides
+		public override void OnBegin(object sender, LibraryBook libraryBook)
+		{
+			LogMe.Info($"Download & Decrypt Step, Begin: {libraryBook.Book}");
+
+			base.OnBegin(sender, libraryBook);
+		}
+		public override void OnCompleted(object sender, LibraryBook libraryBook)
+			=> LogMe.Info($"Download & Decrypt Step, Completed: {libraryBook.Book}{Environment.NewLine}");
+
+		#endregion
+	}
+}

LibationWinForms/BookLiberation/AudioDecryptForm.resx

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

LibationWinForms/BookLiberation/AutomatedBackupsForm.cs

@@ -1,34 +1,35 @@
-using System;
+using Dinah.Core.Windows.Forms;
+using System;
+using System.Linq;
 using System.Windows.Forms;
-using Dinah.Core.Windows.Forms;
 
 namespace LibationWinForms.BookLiberation
 {
-    public partial class AutomatedBackupsForm : Form
+	public partial class AutomatedBackupsForm : Form
-    {
+	{
-        public bool KeepGoingChecked => keepGoingCb.Checked;
+		public bool KeepGoingChecked => keepGoingCb.Checked;
 
-        public bool KeepGoing => keepGoingCb.Enabled && keepGoingCb.Checked;
+		public bool KeepGoing => keepGoingCb.Enabled && keepGoingCb.Checked;
 
-        public AutomatedBackupsForm()
+		public AutomatedBackupsForm()
-        {
+		{
-            InitializeComponent();
+			InitializeComponent();
-        }
+		}
 
-        public void WriteLine(string text)
+		public void WriteLine(string text)
-        {
+		{
-            if (!IsDisposed)
+			if (!IsDisposed)
-                logTb.UIThread(() => logTb.AppendText($"{DateTime.Now} {text}{Environment.NewLine}"));
+				logTb.UIThread(() => logTb.AppendText($"{DateTime.Now} {text}{Environment.NewLine}"));
-        }
+		}
 
 		public void FinalizeUI()
-        {
+		{
-            keepGoingCb.Enabled = false;
+			keepGoingCb.Enabled = false;
 
-            if (!IsDisposed)
+			if (!IsDisposed)
-                logTb.AppendText("");
+				logTb.AppendText("");
-        }
+		}
 
-        private void AutomatedBackupsForm_FormClosing(object sender, FormClosingEventArgs e) => keepGoingCb.Checked = false;
+		private void AutomatedBackupsForm_FormClosing(object sender, FormClosingEventArgs e) => keepGoingCb.Checked = false;
-    }
+	}
 }

LibationWinForms/BookLiberation/AutomatedBackupsForm.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/BookLiberation/BaseForms/LiberationBaseForm.cs

@@ -0,0 +1,160 @@
+using DataLayer;
+using Dinah.Core.Net.Http;
+using Dinah.Core.Windows.Forms;
+using FileLiberator;
+using System;
+using System.Windows.Forms;
+
+namespace LibationWinForms.BookLiberation.BaseForms
+{
+	public class LiberationBaseForm : Form
+	{
+		protected IStreamable Streamable { get; private set; }
+		protected LogMe LogMe { get; private set; }
+		private SynchronizeInvoker Invoker { get; init; } 
+
+		public LiberationBaseForm()
+		{
+			//SynchronizationContext.Current will be null until the process contains a Form.
+			//If this is the first form created, it will not exist until after execution
+			//reaches inside the constructor (after base class has been initialized).
+			Invoker = new SynchronizeInvoker();
+		}
+
+		public void RegisterFileLiberator(IStreamable streamable, LogMe logMe = null)
+		{
+			if (streamable is null) return;
+
+			Streamable = streamable;
+			LogMe = logMe;
+
+			Subscribe(streamable);
+
+			if (Streamable is IProcessable processable)
+				Subscribe(processable);
+			if (Streamable is IAudioDecodable audioDecodable)
+				Subscribe(audioDecodable);
+		}
+
+		#region Event Subscribers and Unsubscribers
+		private void Subscribe(IStreamable streamable)
+		{
+			UnsubscribeStreamable(this, EventArgs.Empty);
+
+			streamable.StreamingBegin += OnStreamingBeginShow;
+			streamable.StreamingBegin += OnStreamingBegin;
+			streamable.StreamingProgressChanged += OnStreamingProgressChanged;
+			streamable.StreamingTimeRemaining += OnStreamingTimeRemaining;
+			streamable.StreamingCompleted += OnStreamingCompleted;
+			streamable.StreamingCompleted += OnStreamingCompletedClose;
+
+			FormClosed += UnsubscribeStreamable;
+		}
+		private void Subscribe(IProcessable processable)
+		{
+			UnsubscribeProcessable(this, null);
+
+			processable.Begin += OnBegin;
+			processable.StatusUpdate += OnStatusUpdate;
+			processable.Completed += OnCompleted;
+
+			//The form is created on IProcessable.Begin and we
+			//dispose of it on IProcessable.Completed
+			processable.Completed += OnCompletedDispose;
+
+			//Don't unsubscribe from Dispose because it fires when
+			//IStreamable.StreamingCompleted closes the form, and
+			//the IProcessable events need to live past that event.
+			processable.Completed += UnsubscribeProcessable;
+		}
+		private void Subscribe(IAudioDecodable audioDecodable)
+		{
+			UnsubscribeAudioDecodable(this, EventArgs.Empty);
+
+			audioDecodable.RequestCoverArt += OnRequestCoverArt;
+			audioDecodable.TitleDiscovered += OnTitleDiscovered;
+			audioDecodable.AuthorsDiscovered += OnAuthorsDiscovered;
+			audioDecodable.NarratorsDiscovered += OnNarratorsDiscovered;
+			audioDecodable.CoverImageDiscovered += OnCoverImageDiscovered;
+
+			Disposed += UnsubscribeAudioDecodable;
+		}
+		private void UnsubscribeStreamable(object sender, EventArgs e)
+		{
+			FormClosed -= UnsubscribeStreamable;
+
+			Streamable.StreamingBegin -= OnStreamingBeginShow;
+			Streamable.StreamingBegin -= OnStreamingBegin;
+			Streamable.StreamingProgressChanged -= OnStreamingProgressChanged;
+			Streamable.StreamingTimeRemaining -= OnStreamingTimeRemaining;
+			Streamable.StreamingCompleted -= OnStreamingCompleted;
+			Streamable.StreamingCompleted -= OnStreamingCompletedClose;
+		}
+		private void UnsubscribeProcessable(object sender, LibraryBook e)
+		{
+			if (Streamable is not IProcessable processable)
+				return;
+
+			processable.Completed -= UnsubscribeProcessable;
+			processable.Completed -= OnCompletedDispose;
+			processable.Completed -= OnCompleted;
+			processable.StatusUpdate -= OnStatusUpdate;
+			processable.Begin -= OnBegin;
+		}
+		private void UnsubscribeAudioDecodable(object sender, EventArgs e)
+		{
+			if (Streamable is not IAudioDecodable audioDecodable)
+				return;
+
+			Disposed -= UnsubscribeAudioDecodable;
+			audioDecodable.RequestCoverArt -= OnRequestCoverArt;
+			audioDecodable.TitleDiscovered -= OnTitleDiscovered;
+			audioDecodable.AuthorsDiscovered -= OnAuthorsDiscovered;
+			audioDecodable.NarratorsDiscovered -= OnNarratorsDiscovered;
+			audioDecodable.CoverImageDiscovered -= OnCoverImageDiscovered;
+
+			audioDecodable.Cancel();
+		}
+		#endregion
+
+		#region Form creation and disposal handling
+
+		/// <summary>
+		/// If the form was shown using Show (not ShowDialog), Form.Close calls Form.Dispose
+		/// </summary>
+		private void OnStreamingCompletedClose(object sender, string completedString) => this.UIThread(() => Close());
+		private void OnCompletedDispose(object sender, LibraryBook e) => this.UIThread(() => Dispose());
+
+		/// <summary>
+		/// If StreamingBegin is fired from a worker thread, the window will be created on that
+		/// worker thread. We need to make certain that we show the window on the UI thread (same 
+		/// thread that created form), otherwise the renderer will be on a worker thread which 
+		/// could cause it to freeze. Form.BeginInvoke won't work until the form is created 
+		/// (ie. shown) because Control doesn't get a window handle until it is Shown.
+		/// </summary>
+		private void OnStreamingBeginShow(object sender, string beginString) => Invoker.Invoke(Show);
+		
+		#endregion
+
+		#region IStreamable event handlers
+		public virtual void OnStreamingBegin(object sender, string beginString) { }
+		public virtual void OnStreamingProgressChanged(object sender, DownloadProgress downloadProgress) { }
+		public virtual void OnStreamingTimeRemaining(object sender, TimeSpan timeRemaining) { }
+		public virtual void OnStreamingCompleted(object sender, string completedString) { }
+		#endregion
+
+		#region IProcessable event handlers
+		public virtual void OnBegin(object sender, LibraryBook libraryBook) { }
+		public virtual void OnStatusUpdate(object sender, string statusUpdate) { }
+		public virtual void OnCompleted(object sender, LibraryBook libraryBook) { }
+		#endregion
+
+		#region IAudioDecodable event handlers
+		public virtual void OnRequestCoverArt(object sender, Action<byte[]> setCoverArtDelegate) { }
+		public virtual void OnTitleDiscovered(object sender, string title) { }
+		public virtual void OnAuthorsDiscovered(object sender, string authors) { }
+		public virtual void OnNarratorsDiscovered(object sender, string narrators) { }
+		public virtual void OnCoverImageDiscovered(object sender, byte[] coverArt) { }
+		#endregion
+	}
+}

LibationWinForms/BookLiberation/DecryptForm.cs

@@ -1,54 +0,0 @@
-using System;
-using System.Windows.Forms;
-using Dinah.Core.Windows.Forms;
-
-namespace LibationWinForms.BookLiberation
-{
-    public partial class DecryptForm : Form
-    {
-		public DecryptForm() => InitializeComponent();
-
-        // book info
-        private string title;
-        private string authorNames;
-        private string narratorNames;
-
-        public void SetTitle(string actionName, string title)
-        {
-            this.UIThread(() => this.Text = actionName + " " + title);
-            this.title = title;
-            updateBookInfo();
-        }
-        public void SetAuthorNames(string authorNames)
-        {
-            this.authorNames = authorNames;
-            updateBookInfo();
-        }
-        public void SetNarratorNames(string narratorNames)
-        {
-            this.narratorNames = narratorNames;
-            updateBookInfo();
-        }
-
-        // thread-safe UI updates
-        private void updateBookInfo()
-            => bookInfoLbl.UIThread(() => bookInfoLbl.Text = $"{title}\r\nBy {authorNames}\r\nNarrated by {narratorNames}");
-
-        public void SetCoverImage(System.Drawing.Image coverImage)
-            => pictureBox1.UIThread(() => pictureBox1.Image = coverImage);
-
-        public void UpdateProgress(int percentage)
-        {
-            if (percentage == 0)
-                updateRemainingTime(0);
-            else
-                progressBar1.UIThread(() => progressBar1.Value = percentage);
-        }
-
-        public void UpdateRemainingTime(TimeSpan remaining)
-            => updateRemainingTime((int)remaining.TotalSeconds);
-
-        private void updateRemainingTime(int remaining)
-            => remainingTimeLbl.UIThread(() => remainingTimeLbl.Text = $"ETA:\r\n{remaining} sec");
-    }
-}

LibationWinForms/BookLiberation/DownloadForm.Designer.cs

@@ -1,4 +1,7 @@
-namespace LibationWinForms.BookLiberation
+using DataLayer;
+using System;
+
+namespace LibationWinForms.BookLiberation
 {
     partial class DownloadForm
     {
@@ -95,9 +98,10 @@
 
         }
 
-        #endregion
 
-        private System.Windows.Forms.Label filenameLbl;
+		#endregion
+
+		private System.Windows.Forms.Label filenameLbl;
         private System.Windows.Forms.ProgressBar progressBar1;
         private System.Windows.Forms.Label progressLbl;
         private System.Windows.Forms.Label lastUpdateLbl;

LibationWinForms/BookLiberation/DownloadForm.cs

@@ -1,59 +1,66 @@
-using System;
+using Dinah.Core.Net.Http;
-using System.Windows.Forms;
 using Dinah.Core.Windows.Forms;
+using LibationWinForms.BookLiberation.BaseForms;
+using System;
+using System.Linq;
+using System.Windows.Forms;
 
 namespace LibationWinForms.BookLiberation
 {
-    public partial class DownloadForm : Form
+	public partial class DownloadForm : LiberationBaseForm
-    {
+	{
-        public DownloadForm()
+		public DownloadForm()
-        {
+		{
-            InitializeComponent();
+			InitializeComponent();
 
-            progressLbl.Text = "";
+			progressLbl.Text = "";
-            filenameLbl.Text = "";
+			filenameLbl.Text = "";
-        }
+		}
 
-        // thread-safe UI updates
-        public void UpdateFilename(string title) => filenameLbl.UIThread(() => filenameLbl.Text = title);
 
-        public void DownloadProgressChanged(long BytesReceived, long? TotalBytesToReceive)
+		#region IStreamable event handler overrides
-        {
+		public override void OnStreamingBegin(object sender, string beginString)
-            // this won't happen with download file. it will happen with download string
+		{
-            if (!TotalBytesToReceive.HasValue || TotalBytesToReceive.Value <= 0)
+			filenameLbl.UIThread(() => filenameLbl.Text = beginString);
-                return;
+		}
+		public override void OnStreamingProgressChanged(object sender, DownloadProgress downloadProgress)
+		{
+			// this won't happen with download file. it will happen with download string
+			if (!downloadProgress.TotalBytesToReceive.HasValue || downloadProgress.TotalBytesToReceive.Value <= 0)
+				return;
 
-            progressLbl.UIThread(() => progressLbl.Text = $"{BytesReceived:#,##0} of {TotalBytesToReceive.Value:#,##0}");
+			progressLbl.UIThread(() => progressLbl.Text = $"{downloadProgress.BytesReceived:#,##0} of {downloadProgress.TotalBytesToReceive.Value:#,##0}");
 
-            var d = double.Parse(BytesReceived.ToString()) / double.Parse(TotalBytesToReceive.Value.ToString()) * 100.0;
+			var d = double.Parse(downloadProgress.BytesReceived.ToString()) / double.Parse(downloadProgress.TotalBytesToReceive.Value.ToString()) * 100.0;
-            var i = int.Parse(Math.Truncate(d).ToString());
+			var i = int.Parse(Math.Truncate(d).ToString());
-            progressBar1.UIThread(() => progressBar1.Value = i);
+			progressBar1.UIThread(() => progressBar1.Value = i);
 
-            lastDownloadProgress = DateTime.Now;
+			lastDownloadProgress = DateTime.Now;
-        }
+		}
+		#endregion
 
-        #region timer
+		#region timer
-        private Timer timer { get; } = new Timer { Interval = 1000 };
+		private Timer timer { get; } = new Timer { Interval = 1000 };
-        private void DownloadForm_Load(object sender, EventArgs e)
+		private void DownloadForm_Load(object sender, EventArgs e)
-        {
+		{
-            timer.Tick += new EventHandler(timer_Tick);
+			timer.Tick += new EventHandler(timer_Tick);
-            timer.Start();
+			timer.Start();
-        }
+		}
-        private DateTime lastDownloadProgress = DateTime.Now;
+		private DateTime lastDownloadProgress = DateTime.Now;
-        private void timer_Tick(object sender, EventArgs e)
+		private void timer_Tick(object sender, EventArgs e)
-        {
+		{
-            // if no update in the last 30 seconds, display frozen label
+			// if no update in the last 30 seconds, display frozen label
-            lastUpdateLbl.UIThread(() => lastUpdateLbl.Visible = lastDownloadProgress.AddSeconds(30) < DateTime.Now);
+			lastUpdateLbl.UIThread(() => lastUpdateLbl.Visible = lastDownloadProgress.AddSeconds(30) < DateTime.Now);
-            if (lastUpdateLbl.Visible)
+			if (lastUpdateLbl.Visible)
-            {
+			{
-                var diff = DateTime.Now - lastDownloadProgress;
+				var diff = DateTime.Now - lastDownloadProgress;
-                var min = (int)diff.TotalMinutes;
+				var min = (int)diff.TotalMinutes;
-                var minText = min > 0 ? $"{min}min " : "";
+				var minText = min > 0 ? $"{min}min " : "";
 
-                lastUpdateLbl.UIThread(() => lastUpdateLbl.Text = $"Frozen? Last download activity: {minText}{diff.Seconds}sec ago");
+				lastUpdateLbl.UIThread(() => lastUpdateLbl.Text = $"Frozen? Last download activity: {minText}{diff.Seconds}sec ago");
-            }
+			}
-        }
+		}
-        private void DownloadForm_FormClosing(object sender, FormClosingEventArgs e) => timer.Stop();
+		private void DownloadForm_FormClosing(object sender, FormClosingEventArgs e) => timer.Stop();
-        #endregion
+		#endregion
-    }
+	}
 }

LibationWinForms/BookLiberation/DownloadForm.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/BookLiberation/PdfDownloadForm.cs

@@ -0,0 +1,10 @@
+using DataLayer;
+
+namespace LibationWinForms.BookLiberation
+{
+	internal class PdfDownloadForm : DownloadForm
+	{
+		public override void OnBegin(object sender, LibraryBook libraryBook) => LogMe.Info($"PDF Step, Begin: {libraryBook.Book}");
+		public override void OnCompleted(object sender, LibraryBook libraryBook) => LogMe.Info($"PDF Step, Completed: {libraryBook.Book}");
+	}
+}

LibationWinForms/BookLiberation/PdfDownloadForm.resx

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root> 
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

LibationWinForms/BookLiberation/ProcessorAutomationController.cs

@@ -1,505 +1,269 @@
-using System;
+using DataLayer;
+using Dinah.Core;
+using FileLiberator;
+using LibationWinForms.BookLiberation.BaseForms;
+using System;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Forms;
-using DataLayer;
-using Dinah.Core;
-using Dinah.Core.ErrorHandling;
-using Dinah.Core.Windows.Forms;
-using FileLiberator;
 
 namespace LibationWinForms.BookLiberation
 {
-    // decouple serilog and form. include convenience factory method
+	// decouple serilog and form. include convenience factory method
-    public class LogMe
+	public class LogMe
-    {
+	{
-        public event EventHandler<string> LogInfo;
+		public event EventHandler<string> LogInfo;
-        public event EventHandler<string> LogErrorString;
+		public event EventHandler<string> LogErrorString;
-        public event EventHandler<(Exception, string)> LogError;
+		public event EventHandler<(Exception, string)> LogError;
 
-        private LogMe()
+		private LogMe()
-        {
+		{
-            LogInfo += (_, text) => Serilog.Log.Logger.Information($"Automated backup: {text}");
+			LogInfo += (_, text) => Serilog.Log.Logger.Information($"Automated backup: {text}");
-            LogErrorString += (_, text) => Serilog.Log.Logger.Error(text);
+			LogErrorString += (_, text) => Serilog.Log.Logger.Error(text);
-            LogError += (_, tuple) => Serilog.Log.Logger.Error(tuple.Item1, tuple.Item2 ?? "Automated backup: error");
+			LogError += (_, tuple) => Serilog.Log.Logger.Error(tuple.Item1, tuple.Item2 ?? "Automated backup: error");
-        }
+		}
 
-        public static LogMe RegisterForm(AutomatedBackupsForm form = null)
+		public static LogMe RegisterForm(AutomatedBackupsForm form = null)
-        {
+		{
-            var logMe = new LogMe();
+			var logMe = new LogMe();
 
-            if (form is null)
+			if (form is null)
-                return logMe;
+				return logMe;
 
-            logMe.LogInfo += (_, text) => form?.WriteLine(text);
+			logMe.LogInfo += (_, text) => form?.WriteLine(text);
 
-            logMe.LogErrorString += (_, text) => form?.WriteLine(text);
+			logMe.LogErrorString += (_, text) => form?.WriteLine(text);
 
-            logMe.LogError += (_, tuple) =>
+			logMe.LogError += (_, tuple) =>
-            {
+			{
-                form?.WriteLine(tuple.Item2 ?? "Automated backup: error");
+				form?.WriteLine(tuple.Item2 ?? "Automated backup: error");
-                form?.WriteLine("ERROR: " + tuple.Item1.Message);
+				form?.WriteLine("ERROR: " + tuple.Item1.Message);
-            };
+			};
-
+
-            return logMe;
+			return logMe;
-        }
+		}
-
+
-        public void Info(string text) => LogInfo?.Invoke(this, text);
+		public void Info(string text) => LogInfo?.Invoke(this, text);
-        public void Error(string text) => LogErrorString?.Invoke(this, text);
+		public void Error(string text) => LogErrorString?.Invoke(this, text);
-        public void Error(Exception ex, string text = null) => LogError?.Invoke(this, (ex, text));
+		public void Error(Exception ex, string text = null) => LogError?.Invoke(this, (ex, text));
-    }
+	}
-
+
-    public static class ProcessorAutomationController
+	public static class ProcessorAutomationController
-    {
+	{
-        public static async Task BackupSingleBookAsync(LibraryBook libraryBook, EventHandler<LibraryBook> completedAction = null)
+		public static async Task BackupSingleBookAsync(LibraryBook libraryBook, EventHandler<LibraryBook> completedAction = null)
-        {
+		{
-            Serilog.Log.Logger.Information("Begin backup single {@DebugInfo}", new { libraryBook?.Book?.AudibleProductId });
+			Serilog.Log.Logger.Information($"Begin {nameof(BackupSingleBookAsync)} {{@DebugInfo}}", new { libraryBook?.Book?.AudibleProductId });
-
+
-            var backupBook = getWiredUpBackupBook(completedAction);
+			var logMe = LogMe.RegisterForm();
-           
+			var backupBook = CreateBackupBook(completedAction, logMe);
-            (Action unsubscribeEvents, LogMe logMe) = attachToBackupsForm(backupBook);
+
-
+			// continue even if libraryBook is null. we'll display even that in the processing box
-            // continue even if libraryBook is null. we'll display even that in the processing box
+			await new BackupSingle(logMe, backupBook, libraryBook).RunBackupAsync();
-            await new BackupSingle(logMe, backupBook, libraryBook).RunBackupAsync();
+		}
-
+
-            unsubscribeEvents();
+		public static async Task BackupAllBooksAsync(EventHandler<LibraryBook> completedAction = null)
-        }
+		{
-
+			Serilog.Log.Logger.Information("Begin " + nameof(BackupAllBooksAsync));
-        public static async Task BackupAllBooksAsync(EventHandler<LibraryBook> completedAction = null)
+
-        {
+			var automatedBackupsForm = new AutomatedBackupsForm();
-            Serilog.Log.Logger.Information("Begin " + nameof(BackupAllBooksAsync));
+			var logMe = LogMe.RegisterForm(automatedBackupsForm);
-
+			var backupBook = CreateBackupBook(completedAction, logMe);
-            var backupBook = getWiredUpBackupBook(completedAction);
+
-            var automatedBackupsForm = new AutomatedBackupsForm();
+			await new BackupLoop(logMe, backupBook, automatedBackupsForm).RunBackupAsync();
-
+		}
-            (Action unsubscribeEvents, LogMe logMe) = attachToBackupsForm(backupBook, automatedBackupsForm);
+
-
+		public static async Task ConvertAllBooksAsync()
-            await new BackupLoop(logMe, backupBook, automatedBackupsForm).RunBackupAsync();
+		{
-
+			Serilog.Log.Logger.Information("Begin " + nameof(ConvertAllBooksAsync));
-            unsubscribeEvents();
+
-        }
+			var automatedBackupsForm = new AutomatedBackupsForm();
-
+			var logMe = LogMe.RegisterForm(automatedBackupsForm);
-        public static async Task ConvertAllBooksAsync()
+
-        {
+			var convertBook = CreateProcessable<ConvertToMp3, AudioConvertForm>(logMe);
-            Serilog.Log.Logger.Information("Begin " + nameof(ConvertAllBooksAsync));
+
-
+			await new BackupLoop(logMe, convertBook, automatedBackupsForm).RunBackupAsync();
-            var convertBook = new ConvertToMp3();
+		}
-            convertBook.Begin += (_, l) => wireUpEvents(convertBook, l, "Converting");
+
-
+		public static async Task BackupAllPdfsAsync(EventHandler<LibraryBook> completedAction = null)
-            var automatedBackupsForm = new AutomatedBackupsForm();
+		{
-
+			Serilog.Log.Logger.Information("Begin " + nameof(BackupAllPdfsAsync));
-            var logMe = LogMe.RegisterForm(automatedBackupsForm);
+
-
+			var automatedBackupsForm = new AutomatedBackupsForm();
-            void statusUpdate(object _, string str) => logMe.Info("- " + str);
+			var logMe = LogMe.RegisterForm(automatedBackupsForm);
-            void convertBookBegin(object _, LibraryBook libraryBook) => logMe.Info($"Convert Step, Begin: {libraryBook.Book}");
+
-            void convertBookCompleted(object _, LibraryBook libraryBook) => logMe.Info($"Convert Step, Completed: {libraryBook.Book}{Environment.NewLine}");
+			var downloadPdf = CreateProcessable<DownloadPdf, PdfDownloadForm>(logMe, completedAction);
-            convertBook.Begin += convertBookBegin;
+
-            convertBook.StatusUpdate += statusUpdate;
+			await new BackupLoop(logMe, downloadPdf, automatedBackupsForm).RunBackupAsync();
-            convertBook.Completed += convertBookCompleted;
+		}
-
+
-            await new BackupLoop(logMe, convertBook, automatedBackupsForm).RunBackupAsync();
+		private static IProcessable CreateBackupBook(EventHandler<LibraryBook> completedAction, LogMe logMe)
-
+		{
-            convertBook.Begin -= convertBookBegin;
+			var downloadPdf = CreateProcessable<DownloadPdf, PdfDownloadForm>(logMe);
-            convertBook.StatusUpdate -= statusUpdate;
+
-            convertBook.Completed -= convertBookCompleted;
+			//Chain pdf download on DownloadDecryptBook.Completed
-        }
+			async void onDownloadDecryptBookCompleted(object sender, LibraryBook e)
-
+			{
-        private static BackupBook getWiredUpBackupBook(EventHandler<LibraryBook> completedAction)
+				await downloadPdf.TryProcessAsync(e);
-        {
+				completedAction(sender, e);
-            var backupBook = new BackupBook();
+			}
-
+
-            backupBook.DownloadDecryptBook.Begin += (_, l) => wireUpEvents(backupBook.DownloadDecryptBook, l);
+			var downloadDecryptBook = CreateProcessable<DownloadDecryptBook, AudioDecryptForm>(logMe, onDownloadDecryptBookCompleted);
-            backupBook.DownloadPdf.Begin += (_, __) => wireUpEvents(backupBook.DownloadPdf);
+			return downloadDecryptBook;
-
+		}
-            if (completedAction != null)
+
-            {
+		public static void DownloadFile(string url, string destination, bool showDownloadCompletedDialog = false)
-                backupBook.DownloadDecryptBook.Completed += completedAction;
+		{
-                backupBook.DownloadPdf.Completed += completedAction;
+			Serilog.Log.Logger.Information($"Begin {nameof(DownloadFile)} for {url}");
-            }
+
-
+			void onDownloadFileStreamingCompleted(object sender, string savedFile)
-            return backupBook;
+			{
-        }
+				Serilog.Log.Logger.Information($"Completed {nameof(DownloadFile)} for {url}. Saved to {savedFile}");
-
+
-        private static (Action unsubscribeEvents, LogMe) attachToBackupsForm(BackupBook backupBook, AutomatedBackupsForm automatedBackupsForm = null)
+				if (showDownloadCompletedDialog)
-        {
+					MessageBox.Show($"File downloaded to:{Environment.NewLine}{Environment.NewLine}{savedFile}");
-            #region create logger
+			}
-            var logMe = LogMe.RegisterForm(automatedBackupsForm);
+
-            #endregion
+			var downloadFile = new DownloadFile();
-
+			var downloadForm = new DownloadForm();
-            #region define how model actions will affect form behavior
+			downloadForm.RegisterFileLiberator(downloadFile);
-            void statusUpdate(object _, string str) => logMe.Info("- " + str);
+			downloadFile.StreamingCompleted += onDownloadFileStreamingCompleted;
-            void decryptBookBegin(object _, LibraryBook libraryBook) => logMe.Info($"Decrypt Step, Begin: {libraryBook.Book}");
+
-            // extra line after book is completely finished
+			async void runDownload() => await downloadFile.PerformDownloadFileAsync(url, destination);
-            void decryptBookCompleted(object _, LibraryBook libraryBook) => logMe.Info($"Decrypt Step, Completed: {libraryBook.Book}{Environment.NewLine}");
+			new Task(runDownload).Start();
-            void downloadPdfBegin(object _, LibraryBook libraryBook) => logMe.Info($"PDF Step, Begin: {libraryBook.Book}");
+		}
-            // extra line after book is completely finished
+
-            void downloadPdfCompleted(object _, LibraryBook libraryBook) => logMe.Info($"PDF Step, Completed: {libraryBook.Book}{Environment.NewLine}");
+		/// <summary>
-            #endregion
+		/// Create a new <see cref="IProcessable"/> and links it to a new <see cref="LiberationBaseForm"/>.
-
+		/// </summary>
-            #region subscribe new form to model's events
+		/// <typeparam name="TProcessable">The <see cref="IProcessable"/> derived type to create.</typeparam>
-            backupBook.DownloadDecryptBook.Begin += decryptBookBegin;
+		/// <typeparam name="TForm">The <see cref="LiberationBaseForm"/> derived Form to create on <see cref="IProcessable.Begin"/>, Show on <see cref="IStreamable.StreamingBegin"/>, Close on <see cref="IStreamable.StreamingCompleted"/>, and Dispose on <see cref="IProcessable.Completed"/> </typeparam>
-            backupBook.DownloadDecryptBook.StatusUpdate += statusUpdate;
+		/// <param name="logMe">The logger</param>
-            backupBook.DownloadDecryptBook.Completed += decryptBookCompleted;
+		/// <param name="completedAction">An additional event handler to handle <see cref="IProcessable.Completed"/></param>
-            backupBook.DownloadPdf.Begin += downloadPdfBegin;
+		/// <returns>A new <see cref="IProcessable"/> of type <typeparamref name="TProcessable"/></returns>
-            backupBook.DownloadPdf.StatusUpdate += statusUpdate;
+		private static TProcessable CreateProcessable<TProcessable, TForm>(LogMe logMe, EventHandler<LibraryBook> completedAction = null)
-            backupBook.DownloadPdf.Completed += downloadPdfCompleted;
+			where TForm : LiberationBaseForm, new()
-            #endregion
+			where TProcessable : IProcessable, new()
-
+		{
-            #region when form closes, unsubscribe from model's events
+			var strProc = new TProcessable();
-            // unsubscribe so disposed forms aren't still trying to receive notifications
+
-            Action unsubscribe = () =>
+			strProc.Begin += (sender, libraryBook) =>
-            {
+			{
-                backupBook.DownloadDecryptBook.Begin -= decryptBookBegin;
+				var processForm = new TForm();
-                backupBook.DownloadDecryptBook.StatusUpdate -= statusUpdate;
+				processForm.RegisterFileLiberator(strProc, logMe);
-                backupBook.DownloadDecryptBook.Completed -= decryptBookCompleted;
+				processForm.OnBegin(sender, libraryBook);
-                backupBook.DownloadPdf.Begin -= downloadPdfBegin;
+			};
-                backupBook.DownloadPdf.StatusUpdate -= statusUpdate;
+
-                backupBook.DownloadPdf.Completed -= downloadPdfCompleted;
+			strProc.Completed += completedAction;
-            };
+
-            #endregion
+			return strProc;
-
+		}
-            return (unsubscribe, logMe);
+	}
-        }
+
-
+	internal abstract class BackupRunner
-        public static async Task BackupAllPdfsAsync(EventHandler<LibraryBook> completedAction = null)
+	{
-        {
+		protected LogMe LogMe { get; }
-            Serilog.Log.Logger.Information("Begin " + nameof(BackupAllPdfsAsync));
+		protected IProcessable Processable { get; }
-
+		protected AutomatedBackupsForm AutomatedBackupsForm { get; }
-            var downloadPdf = getWiredUpDownloadPdf(completedAction);
+
-
+		protected BackupRunner(LogMe logMe, IProcessable processable, AutomatedBackupsForm automatedBackupsForm = null)
-            (AutomatedBackupsForm automatedBackupsForm, LogMe logMe) = attachToBackupsForm(downloadPdf);
+		{
-            await new BackupLoop(logMe, downloadPdf, automatedBackupsForm).RunBackupAsync();
+			LogMe = logMe;
-        }
+			Processable = processable;
-
+			AutomatedBackupsForm = automatedBackupsForm;
-        private static DownloadPdf getWiredUpDownloadPdf(EventHandler<LibraryBook> completedAction)
+		}
-        {
+
-            var downloadPdf = new DownloadPdf();
+		protected abstract Task RunAsync();
-
+		protected abstract string SkipDialogText { get; }
-            downloadPdf.Begin += (_, __) => wireUpEvents(downloadPdf);
+		protected abstract MessageBoxButtons SkipDialogButtons { get; }
-
+		protected abstract MessageBoxDefaultButton SkipDialogDefaultButton { get; }
-            if (completedAction != null)
+		protected abstract DialogResult CreateSkipFileResult { get; }
-                downloadPdf.Completed += completedAction;
+
-
+		public async Task RunBackupAsync()
-            return downloadPdf;
+		{
-        }
+			AutomatedBackupsForm?.Show();
-
+
-        public static void DownloadFile(string url, string destination, bool showDownloadCompletedDialog = false)
+			try
-        {
+			{
-            var downloadDialog = new DownloadForm();
+				await RunAsync();
-            downloadDialog.UpdateFilename(destination);
+			}
-            downloadDialog.Show();
+			catch (Exception ex)
-
+			{
-            new System.Threading.Thread(() =>
+				LogMe.Error(ex);
-            {
+			}
-                var downloadFile = new DownloadFile();
+
-
+			AutomatedBackupsForm?.FinalizeUI();
-                downloadFile.DownloadProgressChanged += (_, progress) => downloadDialog.UIThread(() =>
+			LogMe.Info("DONE");
-                    downloadDialog.DownloadProgressChanged(progress.BytesReceived, progress.TotalBytesToReceive)
+		}
-                    );
+
-                downloadFile.DownloadCompleted += (_, __) => downloadDialog.UIThread(() =>
+		protected async Task<bool> ProcessOneAsync(LibraryBook libraryBook, bool validate)
-                {
+		{
-                    downloadDialog.Close();
+			string logMessage;
-                    if (showDownloadCompletedDialog)
+
-                        MessageBox.Show("File downloaded");
+			try
-                });
+			{
-
+				var statusHandler = await Processable.ProcessSingleAsync(libraryBook, validate);
-                downloadFile.PerformDownloadFileAsync(url, destination).GetAwaiter().GetResult();
+
-            })
+				if (statusHandler.IsSuccess)
-            { IsBackground = true }
+					return true;
-            .Start();
+
-        }
+				foreach (var errorMessage in statusHandler.Errors)
-
+					LogMe.Error(errorMessage);
-        // subscribed to Begin event because a new form should be created+processed+closed on each iteration
+
-        private static void wireUpEvents(IDownloadableProcessable downloadable)
+				logMessage = statusHandler.Errors.Aggregate((a, b) => $"{a}\r\n{b}");
-        {
+			}
-            #region create form
+			catch (Exception ex)
-            var downloadDialog = new DownloadForm();
+			{
-            #endregion
+				LogMe.Error(ex);
-
+
-            // extra complexity for wiring up download form:
+				logMessage = ex.Message + "\r\n|\r\n" + ex.StackTrace;
-            // case 1: download is needed
+			}
-            //   dialog created. subscribe to events
+
-            //   downloadable.DownloadBegin fires. shows dialog
+			LogMe.Error("ERROR. All books have not been processed. Most recent book: processing failed");
-            //   downloadable.DownloadCompleted fires. closes dialog. which fires FormClosing, FormClosed, Disposed
+
-            //   Disposed unsubscribe from events
+			string details;
-            // case 2: download is not needed
+			try
-            //   dialog created. subscribe to events
+			{
-            //   dialog is never shown nor closed
+				static string trunc(string str)
-            //   downloadable.Completed fires. disposes dialog and unsubscribes from events
+					=> string.IsNullOrWhiteSpace(str) ? "[empty]"
-
+					: (str.Length > 50) ? $"{str.Truncate(47)}..."
-            #region define how model actions will affect form behavior
+					: str;
-            void downloadBegin(object _, string str)
+
-            {
+				details =
-                downloadDialog.UpdateFilename(str);
-                downloadDialog.Show();
-            }
-
-            // close form on DOWNLOAD completed, not final Completed. Else for BackupBook this form won't close until DECRYPT is also complete
-            void fileDownloadCompleted(object _, string __) => downloadDialog.Close();
-
-            void downloadProgressChanged(object _, Dinah.Core.Net.Http.DownloadProgress progress)
-                => downloadDialog.DownloadProgressChanged(progress.BytesReceived, progress.TotalBytesToReceive);
-
-            void unsubscribe(object _ = null, EventArgs __ = null)
-            {
-                downloadable.DownloadBegin -= downloadBegin;
-                downloadable.DownloadCompleted -= fileDownloadCompleted;
-                downloadable.DownloadProgressChanged -= downloadProgressChanged;
-                downloadable.Completed -= dialogDispose;
-            }
-
-            // unless we dispose, if the form is created but un-used/never-shown then weird UI stuff can happen
-            // also, since event unsubscribe occurs on FormClosing and an unused form is never closed, then the events will never be unsubscribed
-            void dialogDispose(object _, object __)
-            {
-                if (!downloadDialog.IsDisposed)
-                    downloadDialog.Dispose();
-            }
-            #endregion
-
-            #region subscribe new form to model's events
-            downloadable.DownloadBegin += downloadBegin;
-            downloadable.DownloadCompleted += fileDownloadCompleted;
-            downloadable.DownloadProgressChanged += downloadProgressChanged;
-            downloadable.Completed += dialogDispose;
-            #endregion
-
-            #region when form closes, unsubscribe from model's events
-            // unsubscribe so disposed forms aren't still trying to receive notifications
-            // FormClosing is more UI safe but won't fire unless the form is shown and closed
-            //   if form was shown, Disposed will fire for FormClosing, FormClosed, and Disposed
-            //   if not shown, it will still fire for Disposed
-            downloadDialog.Disposed += unsubscribe;
-            #endregion
-        }
-
-        // subscribed to Begin event because a new form should be created+processed+closed on each iteration
-        private static void wireUpEvents(IDecryptable decryptBook, LibraryBook libraryBook, string actionName = "Decrypting")
-        {
-            #region create form
-            var decryptDialog = new DecryptForm();
-            #endregion
-
-            #region Set initially displayed book properties from library info.
-            decryptDialog.SetTitle(actionName, libraryBook.Book.Title);
-            decryptDialog.SetAuthorNames(string.Join(", ", libraryBook.Book.Authors));
-            decryptDialog.SetNarratorNames(string.Join(", ", libraryBook.Book.NarratorNames));
-            decryptDialog.SetCoverImage(
-                WindowsDesktopUtilities.WinAudibleImageServer.GetImage(
-                    libraryBook.Book.PictureId,
-                    FileManager.PictureSize._80x80
-                    ));
-            #endregion
-
-            #region define how model actions will affect form behavior
-            void decryptBegin(object _, string __) => decryptDialog.Show();
-
-            void titleDiscovered(object _, string title) => decryptDialog.SetTitle(actionName, title);
-            void authorsDiscovered(object _, string authors) => decryptDialog.SetAuthorNames(authors);
-            void narratorsDiscovered(object _, string narrators) => decryptDialog.SetNarratorNames(narrators);
-            void coverImageFilepathDiscovered(object _, byte[] coverBytes) => decryptDialog.SetCoverImage(Dinah.Core.Drawing.ImageReader.ToImage(coverBytes));
-            void updateProgress(object _, int percentage) => decryptDialog.UpdateProgress(percentage);
-            void updateRemainingTime(object _, TimeSpan remaining) => decryptDialog.UpdateRemainingTime(remaining);
-            void decryptCompleted(object _, string __) => decryptDialog.Close();
-           
-            void requestCoverArt(object _, Action<byte[]> setCoverArtDelegate)
-            {
-                var picDef = new FileManager.PictureDefinition(libraryBook.Book.PictureId, FileManager.PictureSize._500x500);
-                (bool isDefault, byte[] picture) = FileManager.PictureStorage.GetPicture(picDef);
-
-                if (isDefault)
-                {
-                    void pictureCached(object _, string pictureId)
-                    {
-                        if (pictureId == libraryBook.Book.PictureId)
-                        {
-                            FileManager.PictureStorage.PictureCached -= pictureCached;
-
-                            var picDef = new FileManager.PictureDefinition(libraryBook.Book.PictureId, FileManager.PictureSize._500x500);
-                            (_, picture) = FileManager.PictureStorage.GetPicture(picDef);
-
-                            setCoverArtDelegate(picture);
-                        }
-                    };
-                    FileManager.PictureStorage.PictureCached += pictureCached;
-                }
-                else
-                    setCoverArtDelegate(picture);
-            }
-            #endregion
-
-            #region subscribe new form to model's events
-            decryptBook.DecryptBegin += decryptBegin;
-
-            decryptBook.TitleDiscovered += titleDiscovered;
-            decryptBook.AuthorsDiscovered += authorsDiscovered;
-            decryptBook.NarratorsDiscovered += narratorsDiscovered;
-            decryptBook.CoverImageFilepathDiscovered += coverImageFilepathDiscovered;
-            decryptBook.UpdateProgress += updateProgress;
-            decryptBook.UpdateRemainingTime += updateRemainingTime;
-            decryptBook.RequestCoverArt += requestCoverArt;
-
-            decryptBook.DecryptCompleted += decryptCompleted;
-            #endregion
-
-            #region when form closes, unsubscribe from model's events
-            // unsubscribe so disposed forms aren't still trying to receive notifications
-            decryptDialog.FormClosing += (_, __) =>
-            {
-                decryptBook.DecryptBegin -= decryptBegin;
-
-                decryptBook.TitleDiscovered -= titleDiscovered;
-                decryptBook.AuthorsDiscovered -= authorsDiscovered;
-                decryptBook.NarratorsDiscovered -= narratorsDiscovered;
-                decryptBook.CoverImageFilepathDiscovered -= coverImageFilepathDiscovered;
-                decryptBook.UpdateProgress -= updateProgress;
-                decryptBook.UpdateRemainingTime -= updateRemainingTime;
-                decryptBook.RequestCoverArt -= requestCoverArt;
-
-                decryptBook.DecryptCompleted -= decryptCompleted;
-                decryptBook.Cancel();
-            };
-            #endregion
-        }
-        
-        private static (AutomatedBackupsForm, LogMe) attachToBackupsForm(IDownloadableProcessable downloadable)
-        {
-            #region create form and logger
-            var automatedBackupsForm = new AutomatedBackupsForm();
-            var logMe = LogMe.RegisterForm(automatedBackupsForm);
-            #endregion
-
-            #region define how model actions will affect form behavior
-            void begin(object _, LibraryBook libraryBook) => logMe.Info($"Begin: {libraryBook.Book}");
-            void statusUpdate(object _, string str) => logMe.Info("- " + str);
-            // extra line after book is completely finished
-            void completed(object _, LibraryBook libraryBook) => logMe.Info($"Completed: {libraryBook.Book}{Environment.NewLine}");
-            #endregion
-
-            #region subscribe new form to model's events
-            downloadable.Begin += begin;
-            downloadable.StatusUpdate += statusUpdate;
-            downloadable.Completed += completed;
-            #endregion
-
-            #region when form closes, unsubscribe from model's events
-            // unsubscribe so disposed forms aren't still trying to receive notifications
-            automatedBackupsForm.FormClosing += (_, __) =>
-            {
-                downloadable.Begin -= begin;
-                downloadable.StatusUpdate -= statusUpdate;
-                downloadable.Completed -= completed;
-            };
-            #endregion
-
-            return (automatedBackupsForm, logMe);
-        }
-    }
-
-    abstract class BackupRunner
-    {
-        protected LogMe LogMe { get; }
-        protected IProcessable Processable { get; }
-        protected AutomatedBackupsForm AutomatedBackupsForm { get; }
-
-        protected BackupRunner(LogMe logMe, IProcessable processable, AutomatedBackupsForm automatedBackupsForm = null)
-        {
-            LogMe = logMe;
-            Processable = processable;
-            AutomatedBackupsForm = automatedBackupsForm;
-        }
-
-        protected abstract Task RunAsync();
-
-        protected abstract string SkipDialogText { get; }
-        protected abstract MessageBoxButtons SkipDialogButtons { get; }
-        protected abstract DialogResult CreateSkipFileResult { get; }
-
-        public async Task RunBackupAsync()
-        {
-            AutomatedBackupsForm?.Show();
-
-            try
-            {
-                await RunAsync();
-            }
-            catch (Exception ex)
-            {
-                LogMe.Error(ex);
-            }
-
-            AutomatedBackupsForm?.FinalizeUI();
-            LogMe.Info("DONE");
-        }
-
-        protected async Task<bool> ProcessOneAsync(Func<LibraryBook, Task<StatusHandler>> func, LibraryBook libraryBook)
-        {
-            string logMessage;
-
-            try
-            {
-                var statusHandler = await func(libraryBook);
-
-                if (statusHandler.IsSuccess)
-                    return true;
-
-                foreach (var errorMessage in statusHandler.Errors)
-                    LogMe.Error(errorMessage);
-
-                logMessage = statusHandler.Errors.Aggregate((a, b) => $"{a}\r\n{b}");
-            }
-            catch (Exception ex)
-            {
-                LogMe.Error(ex);
-
-                logMessage = ex.Message + "\r\n|\r\n" + ex.StackTrace;
-            }
-
-            LogMe.Error("ERROR. All books have not been processed. Most recent book: processing failed");
-
-            string details;
-            try
-            {
-                static string trunc(string str)
-                    => string.IsNullOrWhiteSpace(str) ? "[empty]"
-                    : (str.Length > 50) ? $"{str.Truncate(47)}..."
-                    : str;
-
-                details =
 $@"  Title: {libraryBook.Book.Title}
   ID: {libraryBook.Book.AudibleProductId}
   Author: {trunc(libraryBook.Book.AuthorNames)}
   Narr: {trunc(libraryBook.Book.NarratorNames)}";
-            }
+			}
-            catch
+			catch
-            {
+			{
-                details = "[Error retrieving details]";
+				details = "[Error retrieving details]";
-            }
+			}
 
-            var dialogResult = MessageBox.Show(string.Format(SkipDialogText, details), "Skip importing this book?", SkipDialogButtons, MessageBoxIcon.Question);
+			var dialogResult = MessageBox.Show(string.Format(SkipDialogText, details), "Skip importing this book?", SkipDialogButtons, MessageBoxIcon.Question, SkipDialogDefaultButton);
 
-            if (dialogResult == DialogResult.Abort)
+			if (dialogResult == DialogResult.Abort)
-                return false;
+				return false;
 
-            if (dialogResult == CreateSkipFileResult)
+			if (dialogResult == CreateSkipFileResult)
-            {
+			{
-                ApplicationServices.LibraryCommands.UpdateBook(libraryBook, LiberatedStatus.Error, null);
+				ApplicationServices.LibraryCommands.UpdateBook(libraryBook, LiberatedStatus.Error, null);
-                var path = FileManager.AudibleFileStorage.Audio.CreateSkipFile(libraryBook.Book.Title, libraryBook.Book.AudibleProductId, logMessage);
+				var path = FileManager.AudibleFileStorage.Audio.CreateSkipFile(libraryBook.Book.Title, libraryBook.Book.AudibleProductId, logMessage);
-                LogMe.Info($@"
+				LogMe.Info($@"
 Created new 'skip' file
   [{libraryBook.Book.AudibleProductId}] {libraryBook.Book.Title}
   {path}
 ".Trim());
-            }
+			}
 
-            return true;
+			return true;
-        }
+		}
-    }
+	}
-    class BackupSingle : BackupRunner
-    {
-        private LibraryBook _libraryBook { get; }
 
-        protected override string SkipDialogText => @"
+	internal class BackupSingle : BackupRunner
+	{
+		private LibraryBook _libraryBook { get; }
+
+		protected override string SkipDialogText => @"
 An error occurred while trying to process this book. Skip this book permanently?
 {0}
 
@@ -507,24 +271,26 @@ An error occurred while trying to process this book. Skip this book permanently?
 
 - Click NO to skip the book this time only. We'll try again later.
 ".Trim();
-        protected override MessageBoxButtons SkipDialogButtons => MessageBoxButtons.YesNo;
+		protected override MessageBoxButtons SkipDialogButtons => MessageBoxButtons.YesNo;
-        protected override DialogResult CreateSkipFileResult => DialogResult.Yes;
+		protected override MessageBoxDefaultButton SkipDialogDefaultButton => MessageBoxDefaultButton.Button2;
+		protected override DialogResult CreateSkipFileResult => DialogResult.Yes;
 
-        public BackupSingle(LogMe logMe, IProcessable processable, LibraryBook libraryBook)
+		public BackupSingle(LogMe logMe, IProcessable processable, LibraryBook libraryBook)
-            : base(logMe, processable)
+			: base(logMe, processable)
-        {
+		{
-            _libraryBook = libraryBook;
+			_libraryBook = libraryBook;
-        }
+		}
 
-        protected override async Task RunAsync()
+		protected override async Task RunAsync()
-        {
+		{
-            if (_libraryBook is not null)
+			if (_libraryBook is not null)
-                await ProcessOneAsync(Processable.ProcessSingleAsync, _libraryBook);
+				await ProcessOneAsync(_libraryBook, validate: true);
-        }
+		}
-    }
+	}
-    class BackupLoop : BackupRunner
+
-    {
+	internal class BackupLoop : BackupRunner
-        protected override string SkipDialogText => @"
+	{
+		protected override string SkipDialogText => @"
 An error occurred while trying to process this book.
 {0}
 
@@ -534,33 +300,34 @@ An error occurred while trying to process this book.
 
 - IGNORE: Permanently ignore this book. Continue processing books. (Will not try this book again later.)
 ".Trim();
-        protected override MessageBoxButtons SkipDialogButtons => MessageBoxButtons.AbortRetryIgnore;
+		protected override MessageBoxButtons SkipDialogButtons => MessageBoxButtons.AbortRetryIgnore;
-        protected override DialogResult CreateSkipFileResult => DialogResult.Ignore;
+		protected override MessageBoxDefaultButton SkipDialogDefaultButton => MessageBoxDefaultButton.Button1;
+		protected override DialogResult CreateSkipFileResult => DialogResult.Ignore;
 
-        public BackupLoop(LogMe logMe, IProcessable processable, AutomatedBackupsForm automatedBackupsForm)
+		public BackupLoop(LogMe logMe, IProcessable processable, AutomatedBackupsForm automatedBackupsForm)
-            : base(logMe, processable, automatedBackupsForm) { }
+			: base(logMe, processable, automatedBackupsForm) { }
 
-        protected override async Task RunAsync()
+		protected override async Task RunAsync()
-        {
+		{
-            // support for 'skip this time only' requires state. iterators provide this state for free. therefore: use foreach/iterator here
+			// support for 'skip this time only' requires state. iterators provide this state for free. therefore: use foreach/iterator here
-            foreach (var libraryBook in Processable.GetValidLibraryBooks())
+			foreach (var libraryBook in Processable.GetValidLibraryBooks())
-            {
+			{
-                var keepGoing = await ProcessOneAsync(Processable.ProcessBookAsync_NoValidation, libraryBook);
+				var keepGoing = await ProcessOneAsync(libraryBook, validate: false);
-                if (!keepGoing)
+				if (!keepGoing)
-                    return;
+					return;
 
-                if (AutomatedBackupsForm.IsDisposed)
+				if (AutomatedBackupsForm.IsDisposed)
-                    break;
+					break;
 
-                if (!AutomatedBackupsForm.KeepGoing)
+				if (!AutomatedBackupsForm.KeepGoing)
-                {
+				{
-                    if (!AutomatedBackupsForm.KeepGoingChecked)
+					if (!AutomatedBackupsForm.KeepGoingChecked)
-                        LogMe.Info("'Keep going' is unchecked");
+						LogMe.Info("'Keep going' is unchecked");
-                    return;
+					return;
-                }
+				}
-            }
+			}
 
-            LogMe.Info("Done. All books have been processed");
+			LogMe.Info("Done. All books have been processed");
-        }
+		}
-    }
+	}
 }

LibationWinForms/DataGridViewImageButtonColumn.cs

@@ -0,0 +1,50 @@
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace LibationWinForms
+{
+	public abstract class DataGridViewImageButtonColumn : DataGridViewButtonColumn
+	{
+		private DataGridViewImageButtonCell _cellTemplate;
+		public override DataGridViewCell CellTemplate
+		{
+			get => GetCellTemplate();
+			set
+			{
+				if (value is DataGridViewImageButtonCell cellTemplate)
+					_cellTemplate = cellTemplate;
+			}
+		}
+
+		protected abstract DataGridViewImageButtonCell NewCell();
+
+		private DataGridViewImageButtonCell GetCellTemplate()
+		{
+			if (_cellTemplate is null)
+				return NewCell();
+			else
+				return _cellTemplate;
+		}
+
+		public override object Clone()
+		{
+			var clone = (DataGridViewImageButtonColumn)base.Clone();
+			clone._cellTemplate = _cellTemplate;
+
+			return clone;
+		}
+	}
+
+	public class DataGridViewImageButtonCell : DataGridViewButtonCell
+	{
+		protected void DrawButtonImage(Graphics graphics, Image image, Rectangle cellBounds)
+		{
+			var w = image.Width;
+			var h = image.Height;
+			var x = cellBounds.Left + (cellBounds.Width - w) / 2;
+			var y = cellBounds.Top + (cellBounds.Height - h) / 2;
+
+			graphics.DrawImage(image, new Rectangle(x, y, w, h));
+		}
+	}
+}

LibationWinForms/Dialogs/AccountsDialog.cs

@@ -1,21 +1,21 @@
-using System;
+using AudibleApi;
+using InternalUtilities;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Windows.Forms;
-using AudibleApi;
-using InternalUtilities;
 
 namespace LibationWinForms.Dialogs
 {
 	public partial class AccountsDialog : Form
 	{
-		const string COL_Delete = nameof(DeleteAccount);
+		private const string COL_Delete = nameof(DeleteAccount);
-		const string COL_LibraryScan = nameof(LibraryScan);
+		private const string COL_LibraryScan = nameof(LibraryScan);
-		const string COL_AccountId = nameof(AccountId);
+		private const string COL_AccountId = nameof(AccountId);
-		const string COL_AccountName = nameof(AccountName);
+		private const string COL_AccountName = nameof(AccountName);
-		const string COL_Locale = nameof(Locale);
+		private const string COL_Locale = nameof(Locale);
 
-		Form1 _parent { get; }
+		private Form1 _parent { get; }
 
 		public AccountsDialog(Form1 parent)
 		{
@@ -100,7 +100,7 @@ namespace LibationWinForms.Dialogs
 			this.Close();
 		}
 
-		class AccountDto
+		private class AccountDto
 		{
 			public string AccountId { get; set; }
 			public string AccountName { get; set; }

LibationWinForms/Dialogs/AccountsDialog.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/BookDetailsDialog.cs

@@ -1,27 +1,28 @@
 using System;
+using System.Linq;
 using System.Windows.Forms;
 
 namespace LibationWinForms.Dialogs
 {
-    public partial class BookDetailsDialog : Form
+	public partial class BookDetailsDialog : Form
-    {
+	{
-        public string NewTags { get; private set; }
+		public string NewTags { get; private set; }
 
-        public BookDetailsDialog()
+		public BookDetailsDialog()
-        {
+		{
-            InitializeComponent();
+			InitializeComponent();
-        }
+		}
-        public BookDetailsDialog(string title, string rawTags) : this()
+		public BookDetailsDialog(string title, string rawTags) : this()
-        {
+		{
-            this.Text = $"Edit Tags - {title}";
+			this.Text = $"Edit Tags - {title}";
 
-            this.newTagsTb.Text = rawTags;
+			this.newTagsTb.Text = rawTags;
-        }
+		}
 
-        private void SaveBtn_Click(object sender, EventArgs e)
+		private void SaveBtn_Click(object sender, EventArgs e)
-        {
+		{
-            NewTags = this.newTagsTb.Text;
+			NewTags = this.newTagsTb.Text;
-            DialogResult = DialogResult.OK;
+			DialogResult = DialogResult.OK;
-        }
+		}
-    }
+	}
 }

LibationWinForms/Dialogs/BookDetailsDialog.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/DirectoryOrCustomSelectControl.cs

@@ -1,9 +1,8 @@
-using System;
+using FileManager;
-using System.Collections.Generic;
+using System;
 using System.Linq;
+using System.Collections.Generic;
 using System.Windows.Forms;
-using Dinah.Core;
-using FileManager;
 
 namespace LibationWinForms.Dialogs
 {

LibationWinForms/Dialogs/DirectoryOrCustomSelectControl.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/DirectorySelectControl.cs

@@ -1,9 +1,9 @@
-using System;
+using Dinah.Core;
+using FileManager;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Windows.Forms;
-using Dinah.Core;
-using FileManager;
 
 namespace LibationWinForms.Dialogs
 {
@@ -13,7 +13,7 @@ namespace LibationWinForms.Dialogs
 		{
 			public string Description { get; }
 			public Configuration.KnownDirectories Value { get; }
-			private DirectorySelectControl _parentControl;
+			private readonly DirectorySelectControl _parentControl;
 
 			public string FullPath => _parentControl.AddSubDirectoryToPath(Configuration.GetKnownDirectoryPath(Value));
 

LibationWinForms/Dialogs/DirectorySelectControl.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/EditQuickFilters.cs

@@ -1,101 +1,100 @@
-using System;
+using FileManager;
+using System;
 using System.Linq;
 using System.Windows.Forms;
-using FileManager;
 
 namespace LibationWinForms.Dialogs
 {
 	public partial class EditQuickFilters : Form
-    {
+	{
-        const string BLACK_UP_POINTING_TRIANGLE = "\u25B2";
+		private const string BLACK_UP_POINTING_TRIANGLE = "\u25B2";
-        const string BLACK_DOWN_POINTING_TRIANGLE = "\u25BC";
+		private const string BLACK_DOWN_POINTING_TRIANGLE = "\u25BC";
+		private const string COL_Original = nameof(Original);
+		private const string COL_Delete = nameof(Delete);
+		private const string COL_Filter = nameof(Filter);
+		private const string COL_MoveUp = nameof(MoveUp);
+		private const string COL_MoveDown = nameof(MoveDown);
 
-        const string COL_Original = nameof(Original);
+		private Form1 _parent { get; }
-        const string COL_Delete = nameof(Delete);
-        const string COL_Filter = nameof(Filter);
-        const string COL_MoveUp = nameof(MoveUp);
-        const string COL_MoveDown = nameof(MoveDown);
 
-        Form1 _parent { get; }
+		public EditQuickFilters(Form1 parent)
+		{
+			_parent = parent;
 
-        public EditQuickFilters(Form1 parent)
+			InitializeComponent();
-        {
-            _parent = parent;
 
-            InitializeComponent();
+			dataGridView1.Columns[COL_Filter].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
 
-            dataGridView1.Columns[COL_Filter].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+			populateGridValues();
+		}
 
-            populateGridValues();
+		private void populateGridValues()
-        }
+		{
+			var filters = QuickFilters.Filters;
+			if (!filters.Any())
+				return;
 
-        private void populateGridValues()
+			foreach (var filter in filters)
-        {
+				dataGridView1.Rows.Add(filter, "X", filter, BLACK_UP_POINTING_TRIANGLE, BLACK_DOWN_POINTING_TRIANGLE);
-            var filters = QuickFilters.Filters;
+		}
-            if (!filters.Any())
-                return;
 
-            foreach (var filter in filters)
+		private void dataGridView1_DefaultValuesNeeded(object sender, DataGridViewRowEventArgs e)
-                dataGridView1.Rows.Add(filter, "X", filter, BLACK_UP_POINTING_TRIANGLE, BLACK_DOWN_POINTING_TRIANGLE);
+		{
-        }
+			e.Row.Cells[COL_Delete].Value = "X";
+			e.Row.Cells[COL_MoveUp].Value = BLACK_UP_POINTING_TRIANGLE;
+			e.Row.Cells[COL_MoveDown].Value = BLACK_DOWN_POINTING_TRIANGLE;
+		}
 
-        private void dataGridView1_DefaultValuesNeeded(object sender, DataGridViewRowEventArgs e)
+		private void saveBtn_Click(object sender, EventArgs e)
-        {
+		{
-            e.Row.Cells[COL_Delete].Value = "X";
+			var list = dataGridView1.Rows
-            e.Row.Cells[COL_MoveUp].Value = BLACK_UP_POINTING_TRIANGLE;
+				.OfType<DataGridViewRow>()
-            e.Row.Cells[COL_MoveDown].Value = BLACK_DOWN_POINTING_TRIANGLE;
+				.Select(r => r.Cells[COL_Filter].Value?.ToString())
-        }
+				.ToList();
+			QuickFilters.ReplaceAll(list);
 
-        private void saveBtn_Click(object sender, EventArgs e)
+			_parent.UpdateFilterDropDown();
-        {
+			this.DialogResult = DialogResult.OK;
-            var list = dataGridView1.Rows
+			this.Close();
-                .OfType<DataGridViewRow>()
+		}
-                .Select(r => r.Cells[COL_Filter].Value?.ToString())
-                .ToList();
-            QuickFilters.ReplaceAll(list);
 
-            _parent.UpdateFilterDropDown();
+		private void cancelBtn_Click(object sender, EventArgs e)
-            this.DialogResult = DialogResult.OK;
+		{
-            this.Close();
+			this.DialogResult = DialogResult.Cancel;
-        }
+			this.Close();
+		}
 
-        private void cancelBtn_Click(object sender, EventArgs e)
+		private void DataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
-        {
+		{
-            this.DialogResult = DialogResult.Cancel;
+			var dgv = (DataGridView)sender;
-            this.Close();
-        }
 
-        private void DataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
+			var col = dgv.Columns[e.ColumnIndex];
-        {
+			if (col is DataGridViewButtonColumn && e.RowIndex >= 0)
-            var dgv = (DataGridView)sender;
+			{
-
+				var row = dgv.Rows[e.RowIndex];
-            var col = dgv.Columns[e.ColumnIndex];
+				switch (col.Name)
-            if (col is DataGridViewButtonColumn && e.RowIndex >= 0)
+				{
-            {
+					case COL_Delete:
-                var row = dgv.Rows[e.RowIndex];
+						// if final/edit row: do nothing
-                switch (col.Name)
+						if (e.RowIndex < dgv.RowCount - 1)
-                {
+							dgv.Rows.Remove(row);
-                    case COL_Delete:
+						break;
-                        // if final/edit row: do nothing
+					case COL_MoveUp:
-                        if (e.RowIndex < dgv.RowCount - 1)
+						// if top: do nothing
-                            dgv.Rows.Remove(row);
+						if (e.RowIndex < 1)
-                        break;
+							break;
-                    case COL_MoveUp:
+						dgv.Rows.Remove(row);
-                        // if top: do nothing
+						dgv.Rows.Insert(e.RowIndex - 1, row);
-                        if (e.RowIndex < 1)
+						break;
-                            break;
+					case COL_MoveDown:
-                        dgv.Rows.Remove(row);
+						// if final/edit row or bottom filter row: do nothing
-                        dgv.Rows.Insert(e.RowIndex - 1, row);
+						if (e.RowIndex >= dgv.RowCount - 2)
-                        break;
+							break;
-                    case COL_MoveDown:
+						dgv.Rows.Remove(row);
-                        // if final/edit row or bottom filter row: do nothing
+						dgv.Rows.Insert(e.RowIndex + 1, row);
-                        if (e.RowIndex >= dgv.RowCount - 2)
+						break;
-                            break;
+				}
-                        dgv.Rows.Remove(row);
+			}
-                        dgv.Rows.Insert(e.RowIndex + 1, row);
+		}
-                        break;
+	}
-                }
-            }
-        }
-    }
 }

LibationWinForms/Dialogs/EditQuickFilters.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/IndexLibraryDialog.cs

@@ -1,8 +1,9 @@
-using System;
+using ApplicationServices;
-using System.Windows.Forms;
-using ApplicationServices;
 using InternalUtilities;
 using LibationWinForms.Login;
+using System;
+using System.Linq;
+using System.Windows.Forms;
 
 namespace LibationWinForms.Dialogs
 {

LibationWinForms/Dialogs/IndexLibraryDialog.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/LibationFilesDialog.cs

@@ -1,6 +1,7 @@
-using System;
+using FileManager;
+using System;
+using System.Linq;
 using System.Windows.Forms;
-using FileManager;
 
 namespace LibationWinForms.Dialogs
 {

LibationWinForms/Dialogs/LibationFilesDialog.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/Login/ApprovalNeededDialog.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Windows.Forms;
 
 namespace LibationWinForms.Dialogs.Login

LibationWinForms/Dialogs/Login/ApprovalNeededDialog.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/Login/AudibleLoginDialog.cs

@@ -1,7 +1,8 @@
-using System;
+using Dinah.Core;
-using System.Windows.Forms;
-using Dinah.Core;
 using InternalUtilities;
+using System;
+using System.Linq;
+using System.Windows.Forms;
 
 namespace LibationWinForms.Dialogs.Login
 {

LibationWinForms/Dialogs/Login/AudibleLoginDialog.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/Login/CaptchaDialog.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Drawing;
 using System.IO;
 using System.Windows.Forms;

LibationWinForms/Dialogs/Login/CaptchaDialog.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/Login/MfaDialog.cs

@@ -1,11 +1,5 @@
 using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace LibationWinForms.Dialogs.Login
@@ -14,7 +8,7 @@ namespace LibationWinForms.Dialogs.Login
 	{
 		private RadioButton[] radioButtons { get; }
 
-		AudibleApi.MfaConfig _mfaConfig { get; }
+		private AudibleApi.MfaConfig _mfaConfig { get; }
 
 		public MfaDialog(AudibleApi.MfaConfig mfaConfig)
 		{
@@ -32,7 +26,8 @@ namespace LibationWinForms.Dialogs.Login
 			setRadioButton(1, this.radioButton2);
 			setRadioButton(2, this.radioButton3);
 
-			Serilog.Log.Logger.Information("{@DebugInfo}", new {
+			Serilog.Log.Logger.Information("{@DebugInfo}", new
+			{
 				paramButtonCount = mfaConfig.Buttons.Count,
 				visibleRadioButtonCount = radioButtons.Count(rb => rb.Visible)
 			});
@@ -65,7 +60,8 @@ namespace LibationWinForms.Dialogs.Login
 		{
 			var selected = radioButtons.FirstOrDefault(rb => rb.Checked);
 
-			Serilog.Log.Logger.Information("Submit button clicked: {@DebugInfo}", new {
+			Serilog.Log.Logger.Information("Submit button clicked: {@DebugInfo}", new
+			{
 				rb1_visible = radioButton1.Visible,
 				rb1_checked = radioButton1.Checked,
 

LibationWinForms/Dialogs/Login/MfaDialog.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/Login/WinformResponder.cs

@@ -1,7 +1,8 @@
-using System;
+using AudibleApi;
-using AudibleApi;
 using InternalUtilities;
 using LibationWinForms.Dialogs.Login;
+using System;
+using System.Linq;
 
 namespace LibationWinForms.Login
 {

LibationWinForms/Dialogs/Login/_2faCodeDialog.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Windows.Forms;
 
 namespace LibationWinForms.Dialogs.Login

LibationWinForms/Dialogs/Login/_2faCodeDialog.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/MessageBoxAlertAdminDialog.cs

@@ -1,7 +1,8 @@
-using System;
+using Dinah.Core;
+using System;
+using System.Linq;
 using System.Drawing;
 using System.Windows.Forms;
-using Dinah.Core;
 
 namespace LibationWinForms.Dialogs
 {

LibationWinForms/Dialogs/MessageBoxAlertAdminDialog.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/RemoveBooksDialog.Designer.cs

@@ -0,0 +1,189 @@
+
+namespace LibationWinForms.Dialogs
+{
+    partial class RemoveBooksDialog
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.components = new System.ComponentModel.Container();
+            System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle2 = new System.Windows.Forms.DataGridViewCellStyle();
+            this._dataGridView = new System.Windows.Forms.DataGridView();
+            this.removeDataGridViewCheckBoxColumn = new System.Windows.Forms.DataGridViewCheckBoxColumn();
+            this.coverDataGridViewImageColumn = new System.Windows.Forms.DataGridViewImageColumn();
+            this.titleDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.authorsDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.miscDataGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.purchaseDateGridViewTextBoxColumn = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.gridEntryBindingSource = new System.Windows.Forms.BindingSource(this.components);
+            this.btnRemoveBooks = new System.Windows.Forms.Button();
+            this.label1 = new System.Windows.Forms.Label();
+            ((System.ComponentModel.ISupportInitialize)(this._dataGridView)).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)(this.gridEntryBindingSource)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // _dataGridView
+            // 
+            this._dataGridView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this._dataGridView.AutoGenerateColumns = false;
+            this._dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this._dataGridView.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
+            this.removeDataGridViewCheckBoxColumn,
+            this.coverDataGridViewImageColumn,
+            this.titleDataGridViewTextBoxColumn,
+            this.authorsDataGridViewTextBoxColumn,
+            this.miscDataGridViewTextBoxColumn,
+            this.purchaseDateGridViewTextBoxColumn});
+            this._dataGridView.DataSource = this.gridEntryBindingSource;
+            dataGridViewCellStyle2.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft;
+            dataGridViewCellStyle2.BackColor = System.Drawing.SystemColors.Window;
+            dataGridViewCellStyle2.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            dataGridViewCellStyle2.ForeColor = System.Drawing.SystemColors.ControlText;
+            dataGridViewCellStyle2.SelectionBackColor = System.Drawing.SystemColors.Highlight;
+            dataGridViewCellStyle2.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
+            dataGridViewCellStyle2.WrapMode = System.Windows.Forms.DataGridViewTriState.True;
+            this._dataGridView.DefaultCellStyle = dataGridViewCellStyle2;
+            this._dataGridView.Location = new System.Drawing.Point(0, 0);
+            this._dataGridView.Name = "_dataGridView";
+            this._dataGridView.RowHeadersVisible = false;
+            this._dataGridView.RowTemplate.Height = 82;
+            this._dataGridView.Size = new System.Drawing.Size(800, 409);
+            this._dataGridView.TabIndex = 0;
+            // 
+            // removeDataGridViewCheckBoxColumn
+            // 
+            this.removeDataGridViewCheckBoxColumn.DataPropertyName = "Remove";
+            this.removeDataGridViewCheckBoxColumn.FalseValue = "False";
+            this.removeDataGridViewCheckBoxColumn.Frozen = true;
+            this.removeDataGridViewCheckBoxColumn.HeaderText = "Remove";
+            this.removeDataGridViewCheckBoxColumn.MinimumWidth = 60;
+            this.removeDataGridViewCheckBoxColumn.Name = "removeDataGridViewCheckBoxColumn";
+            this.removeDataGridViewCheckBoxColumn.Resizable = System.Windows.Forms.DataGridViewTriState.False;
+            this.removeDataGridViewCheckBoxColumn.SortMode = System.Windows.Forms.DataGridViewColumnSortMode.Automatic;
+            this.removeDataGridViewCheckBoxColumn.TrueValue = "True";
+            this.removeDataGridViewCheckBoxColumn.Width = 60;
+            // 
+            // coverDataGridViewImageColumn
+            // 
+            this.coverDataGridViewImageColumn.DataPropertyName = "Cover";
+            this.coverDataGridViewImageColumn.HeaderText = "Cover";
+            this.coverDataGridViewImageColumn.MinimumWidth = 80;
+            this.coverDataGridViewImageColumn.Name = "coverDataGridViewImageColumn";
+            this.coverDataGridViewImageColumn.ReadOnly = true;
+            this.coverDataGridViewImageColumn.Resizable = System.Windows.Forms.DataGridViewTriState.False;
+            this.coverDataGridViewImageColumn.Width = 80;
+            // 
+            // titleDataGridViewTextBoxColumn
+            // 
+            this.titleDataGridViewTextBoxColumn.DataPropertyName = "Title";
+            this.titleDataGridViewTextBoxColumn.HeaderText = "Title";
+            this.titleDataGridViewTextBoxColumn.Name = "titleDataGridViewTextBoxColumn";
+            this.titleDataGridViewTextBoxColumn.ReadOnly = true;
+            this.titleDataGridViewTextBoxColumn.Width = 200;
+            // 
+            // authorsDataGridViewTextBoxColumn
+            // 
+            this.authorsDataGridViewTextBoxColumn.DataPropertyName = "Authors";
+            this.authorsDataGridViewTextBoxColumn.HeaderText = "Authors";
+            this.authorsDataGridViewTextBoxColumn.Name = "authorsDataGridViewTextBoxColumn";
+            this.authorsDataGridViewTextBoxColumn.ReadOnly = true;
+            // 
+            // miscDataGridViewTextBoxColumn
+            // 
+            this.miscDataGridViewTextBoxColumn.DataPropertyName = "Misc";
+            this.miscDataGridViewTextBoxColumn.HeaderText = "Misc";
+            this.miscDataGridViewTextBoxColumn.Name = "miscDataGridViewTextBoxColumn";
+            this.miscDataGridViewTextBoxColumn.ReadOnly = true;
+            this.miscDataGridViewTextBoxColumn.Width = 150;
+            // 
+            // purchaseDateGridViewTextBoxColumn
+            // 
+            this.purchaseDateGridViewTextBoxColumn.DataPropertyName = "PurchaseDate";
+            this.purchaseDateGridViewTextBoxColumn.HeaderText = "Purchase Date";
+            this.purchaseDateGridViewTextBoxColumn.Name = "purchaseDateGridViewTextBoxColumn";
+            this.purchaseDateGridViewTextBoxColumn.ReadOnly = true;
+            this.purchaseDateGridViewTextBoxColumn.Resizable = System.Windows.Forms.DataGridViewTriState.False;
+            // 
+            // gridEntryBindingSource
+            // 
+            this.gridEntryBindingSource.AllowNew = false;
+            this.gridEntryBindingSource.DataSource = typeof(LibationWinForms.Dialogs.RemovableGridEntry);
+            // 
+            // btnRemoveBooks
+            // 
+            this.btnRemoveBooks.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnRemoveBooks.Location = new System.Drawing.Point(570, 419);
+            this.btnRemoveBooks.Name = "btnRemoveBooks";
+            this.btnRemoveBooks.Size = new System.Drawing.Size(218, 23);
+            this.btnRemoveBooks.TabIndex = 1;
+            this.btnRemoveBooks.Text = "Remove Selected Books from Libation";
+            this.btnRemoveBooks.UseVisualStyleBackColor = true;
+            this.btnRemoveBooks.Click += new System.EventHandler(this.btnRemoveBooks_Click);
+            // 
+            // label1
+            // 
+            this.label1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(12, 423);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(178, 15);
+            this.label1.TabIndex = 2;
+            this.label1.Text = "{0} book{1} selected for removal.";
+            // 
+            // RemoveBooksDialog
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(800, 450);
+            this.Controls.Add(this.label1);
+            this.Controls.Add(this.btnRemoveBooks);
+            this.Controls.Add(this._dataGridView);
+            this.Name = "RemoveBooksDialog";
+            this.Text = "RemoveBooksDialog";
+            this.Shown += new System.EventHandler(this.RemoveBooksDialog_Shown);
+            ((System.ComponentModel.ISupportInitialize)(this._dataGridView)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.gridEntryBindingSource)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.DataGridView _dataGridView;
+        private System.Windows.Forms.BindingSource gridEntryBindingSource;
+        private System.Windows.Forms.Button btnRemoveBooks;
+        private System.Windows.Forms.Label label1;
+        private System.Windows.Forms.DataGridViewCheckBoxColumn removeDataGridViewCheckBoxColumn;
+        private System.Windows.Forms.DataGridViewImageColumn coverDataGridViewImageColumn;
+        private System.Windows.Forms.DataGridViewTextBoxColumn titleDataGridViewTextBoxColumn;
+        private System.Windows.Forms.DataGridViewTextBoxColumn authorsDataGridViewTextBoxColumn;
+        private System.Windows.Forms.DataGridViewTextBoxColumn miscDataGridViewTextBoxColumn;
+        private System.Windows.Forms.DataGridViewTextBoxColumn purchaseDateGridViewTextBoxColumn;
+    }
+}

LibationWinForms/Dialogs/RemoveBooksDialog.cs

@@ -0,0 +1,170 @@
+using ApplicationServices;
+using DataLayer;
+using InternalUtilities;
+using LibationWinForms.Login;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Linq;
+using System.Windows.Forms;
+
+namespace LibationWinForms.Dialogs
+{
+	public partial class RemoveBooksDialog : Form
+	{
+		public bool BooksRemoved { get; private set; }
+
+		private Account[] _accounts { get; }
+		private readonly List<LibraryBook> _libraryBooks;
+		private readonly SortableBindingList2<RemovableGridEntry> _removableGridEntries;
+		private readonly string _labelFormat;
+		private int SelectedCount => SelectedEntries?.Count() ?? 0;
+		private IEnumerable<RemovableGridEntry> SelectedEntries => _removableGridEntries?.Where(b => b.Remove);
+
+		public RemoveBooksDialog(params Account[] accounts)
+		{
+			_libraryBooks = DbContexts.GetContext().GetLibrary_Flat_NoTracking();
+			_accounts = accounts;
+
+			InitializeComponent();
+			_labelFormat = label1.Text;
+
+			_dataGridView.CellContentClick += (s, e) => _dataGridView.CommitEdit(DataGridViewDataErrorContexts.Commit);
+			_dataGridView.CellValueChanged += DataGridView1_CellValueChanged;
+			_dataGridView.BindingContextChanged += (s, e) => UpdateSelection();
+
+			var orderedGridEntries = _libraryBooks
+				.Select(lb => new RemovableGridEntry(lb))
+				.OrderByDescending(ge => (DateTime)ge.GetMemberValue(nameof(ge.PurchaseDate)))
+				.ToList();
+
+			_removableGridEntries = new SortableBindingList2<RemovableGridEntry>(orderedGridEntries);
+			gridEntryBindingSource.DataSource = _removableGridEntries;
+
+			_dataGridView.Enabled = false;
+		}
+
+		private void DataGridView1_CellValueChanged(object sender, DataGridViewCellEventArgs e)
+		{
+			if (e.ColumnIndex == 0)
+				UpdateSelection();
+		}
+
+		private async void RemoveBooksDialog_Shown(object sender, EventArgs e)
+		{
+			if (_accounts == null || _accounts.Length == 0)
+				return;
+			try
+			{
+				var rmovedBooks = await LibraryCommands.FindInactiveBooks((account) => new WinformResponder(account), _libraryBooks, _accounts);
+
+				var removable = _removableGridEntries.Where(rge => rmovedBooks.Any(rb => rb.Book.AudibleProductId == rge.AudibleProductId));
+
+				if (!removable.Any())
+					return;
+
+				foreach (var r in removable)
+					r.Remove = true;
+
+				UpdateSelection();
+			}
+			catch (Exception ex)
+			{
+				MessageBoxAlertAdmin.Show(
+					"Error scanning library. You may still manually select books to remove from Libation's library.",
+					"Error scanning library",
+					ex);
+			}
+			finally
+			{
+				_dataGridView.Enabled = true;
+			}
+		}
+
+		private void btnRemoveBooks_Click(object sender, EventArgs e)
+		{
+			var selectedBooks = SelectedEntries.ToList();
+
+			if (selectedBooks.Count == 0) return;
+
+			string titles = string.Join("\r\n", selectedBooks.Select(rge => "-" + rge.Title));
+
+			string thisThese = selectedBooks.Count > 1 ? "these" : "this";
+			string bookBooks = selectedBooks.Count > 1 ? "books" : "book";
+
+			var result = MessageBox.Show(
+				this,
+				$"Are you sure you want to remove {thisThese} {selectedBooks.Count} {bookBooks} from Libation's library?\r\n\r\n{titles}",
+				"Remove books from Libation?",
+				MessageBoxButtons.YesNo,
+				MessageBoxIcon.Question,
+				MessageBoxDefaultButton.Button1);
+
+			if (result == DialogResult.Yes)
+			{
+				using var context = DbContexts.GetContext();
+
+				var libBooks = context.GetLibrary_Flat_NoTracking();
+
+				var removeLibraryBooks = libBooks.Where(lb => selectedBooks.Any(rge => rge.AudibleProductId == lb.Book.AudibleProductId)).ToList();
+
+				context.Library.RemoveRange(removeLibraryBooks);
+				context.SaveChanges();
+
+				foreach (var rEntry in selectedBooks)
+					_removableGridEntries.Remove(rEntry);
+
+				BooksRemoved = removeLibraryBooks.Count > 0;
+
+				UpdateSelection();
+			}
+		}
+		private void UpdateSelection()
+		{
+			_dataGridView.Sort(_dataGridView.Columns[0], ListSortDirection.Descending);
+			var selectedCount = SelectedCount;
+			label1.Text = string.Format(_labelFormat, selectedCount, selectedCount != 1 ? "s" : string.Empty);
+			btnRemoveBooks.Enabled = selectedCount > 0;
+		}
+	}
+
+	internal class RemovableGridEntry : GridEntry
+	{
+		private static readonly IComparer BoolComparer = new ObjectComparer<bool>();
+
+		private bool _remove = false;
+		public RemovableGridEntry(LibraryBook libraryBook) : base(libraryBook) { }
+
+		public bool Remove
+		{
+			get
+			{
+				return _remove;
+			}
+			set
+			{
+				if (_remove != value)
+				{
+					_remove = value;
+					NotifyPropertyChanged();
+				}
+			}
+		}
+
+		public override object GetMemberValue(string memberName)
+		{
+			if (memberName == nameof(Remove))
+				return Remove;
+			return base.GetMemberValue(memberName);
+		}
+
+		public override IComparer GetMemberComparer(Type memberType)
+		{
+			if (memberType == typeof(bool))
+				return BoolComparer;
+			return base.GetMemberComparer(memberType);
+		}
+	}
+}

LibationWinForms/Dialogs/RemoveBooksDialog.resx

@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root> 
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

LibationWinForms/Dialogs/ScanAccountsDialog.cs

@@ -1,10 +1,8 @@
-using System;
+using InternalUtilities;
-using System.Collections.Generic;
+using System;
-using System.ComponentModel;
 using System.Linq;
-using System.Threading.Tasks;
+using System.Collections.Generic;
 using System.Windows.Forms;
-using InternalUtilities;
 
 namespace LibationWinForms.Dialogs
 {
@@ -12,7 +10,7 @@ namespace LibationWinForms.Dialogs
 	{
 		public List<Account> CheckedAccounts { get; } = new List<Account>();
 
-		Form1 _parent { get; }
+		private Form1 _parent { get; }
 
 		public ScanAccountsDialog(Form1 parent)
 		{
@@ -21,7 +19,7 @@ namespace LibationWinForms.Dialogs
 			InitializeComponent();
 		}
 
-		class listItem
+		private class listItem
 		{
 			public Account Account { get; set; }
 			public string Text { get; set; }

LibationWinForms/Dialogs/ScanAccountsDialog.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/SearchSyntaxDialog.cs

@@ -1,20 +1,21 @@
 using System;
+using System.Linq;
 using System.Windows.Forms;
 
 namespace LibationWinForms.Dialogs
 {
-    public partial class SearchSyntaxDialog : Form
+	public partial class SearchSyntaxDialog : Form
-    {
+	{
-        public SearchSyntaxDialog()
+		public SearchSyntaxDialog()
-        {
+		{
-            InitializeComponent();
+			InitializeComponent();
 
-            label2.Text += "\r\n\r\n" + string.Join("\r\n", LibationSearchEngine.SearchEngine.GetSearchStringFields());
+			label2.Text += "\r\n\r\n" + string.Join("\r\n", LibationSearchEngine.SearchEngine.GetSearchStringFields());
-            label3.Text += "\r\n\r\n" + string.Join("\r\n", LibationSearchEngine.SearchEngine.GetSearchNumberFields());
+			label3.Text += "\r\n\r\n" + string.Join("\r\n", LibationSearchEngine.SearchEngine.GetSearchNumberFields());
-            label4.Text += "\r\n\r\n" + string.Join("\r\n", LibationSearchEngine.SearchEngine.GetSearchBoolFields());
+			label4.Text += "\r\n\r\n" + string.Join("\r\n", LibationSearchEngine.SearchEngine.GetSearchBoolFields());
-            label5.Text += "\r\n\r\n" + string.Join("\r\n", LibationSearchEngine.SearchEngine.GetSearchIdFields());
+			label5.Text += "\r\n\r\n" + string.Join("\r\n", LibationSearchEngine.SearchEngine.GetSearchIdFields());
-        }
+		}
 
-        private void CloseBtn_Click(object sender, EventArgs e) => this.Close();
+		private void CloseBtn_Click(object sender, EventArgs e) => this.Close();
-    }
+	}
 }

LibationWinForms/Dialogs/SearchSyntaxDialog.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/SettingsDialog.cs

@@ -1,15 +1,16 @@
-using System;
+using Dinah.Core;
+using FileManager;
+using System;
+using System.Linq;
 using System.IO;
 using System.Windows.Forms;
-using Dinah.Core;
-using FileManager;
 
 namespace LibationWinForms.Dialogs
 {
 	public partial class SettingsDialog : Form
 	{
-		Configuration config { get; } = Configuration.Instance;
+		private Configuration config { get; } = Configuration.Instance;
-		Func<string, string> desc { get; } = Configuration.GetDescription;
+		private Func<string, string> desc { get; } = Configuration.GetDescription;
 
 		public SettingsDialog() => InitializeComponent();
 
@@ -57,13 +58,13 @@ namespace LibationWinForms.Dialogs
 			inProgressSelectControl.SelectDirectory(config.InProgress);
 		}
 
-        private void allowLibationFixupCbox_CheckedChanged(object sender, EventArgs e)
+		private void allowLibationFixupCbox_CheckedChanged(object sender, EventArgs e)
-        {
+		{
 			convertLosslessRb.Enabled = allowLibationFixupCbox.Checked;
 			convertLossyRb.Enabled = allowLibationFixupCbox.Checked;
 
 			if (!allowLibationFixupCbox.Checked)
-            {
+			{
 				convertLosslessRb.Checked = true;
 			}
 		}

LibationWinForms/Dialogs/SettingsDialog.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Dialogs/SetupDialog.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Windows.Forms;
 
 namespace LibationWinForms.Dialogs

LibationWinForms/Dialogs/SetupDialog.resx

@@ -1,4 +1,5 @@
-<root>
+<?xml version="1.0" encoding="utf-8"?>
+<root>
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/EditTagsDataGridViewImageButtonColumn.cs

@@ -0,0 +1,39 @@
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace LibationWinForms
+{
+	public class EditTagsDataGridViewImageButtonColumn : DataGridViewImageButtonColumn
+	{
+		protected override DataGridViewImageButtonCell NewCell()
+			=> new EditTagsDataGridViewImageButtonCell();
+	}
+
+	internal class EditTagsDataGridViewImageButtonCell : DataGridViewImageButtonCell
+	{
+		private static readonly Image ButtonImage = Properties.Resources.edit_tags_25x25;
+		private static readonly Color HiddenForeColor = Color.LightGray;
+
+		protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates elementState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
+		{
+			var tagsString = (string)value;
+
+			var foreColor = tagsString?.Contains("hidden") == true ? HiddenForeColor : DataGridView.DefaultCellStyle.ForeColor;
+
+			if (DataGridView.Rows[RowIndex].DefaultCellStyle.ForeColor != foreColor)
+			{
+				DataGridView.Rows[RowIndex].DefaultCellStyle.ForeColor = foreColor;
+			}
+
+			if (tagsString.Length == 0)
+			{
+				base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, null, null, null, cellStyle, advancedBorderStyle, paintParts);
+				DrawButtonImage(graphics, ButtonImage, cellBounds);
+			}
+			else
+			{
+				base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, value, formattedValue, errorText, cellStyle, advancedBorderStyle, paintParts);
+			}
+		}
+	}
+}

LibationWinForms/Form1.Designer.cs

@@ -39,6 +39,9 @@
 			this.scanLibraryToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.scanLibraryOfAllAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.scanLibraryOfSomeAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+			this.removeLibraryBooksToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+			this.removeAllAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+			this.removeSomeAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.liberateToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.beginBookBackupsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
 			this.beginPdfBackupsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
@@ -128,7 +131,8 @@
             this.noAccountsYetAddAccountToolStripMenuItem,
             this.scanLibraryToolStripMenuItem,
             this.scanLibraryOfAllAccountsToolStripMenuItem,
-            this.scanLibraryOfSomeAccountsToolStripMenuItem});
+            this.scanLibraryOfSomeAccountsToolStripMenuItem,
+            this.removeLibraryBooksToolStripMenuItem});
 			this.importToolStripMenuItem.Name = "importToolStripMenuItem";
 			this.importToolStripMenuItem.Size = new System.Drawing.Size(55, 20);
 			this.importToolStripMenuItem.Text = "&Import";
@@ -161,6 +165,29 @@
 			this.scanLibraryOfSomeAccountsToolStripMenuItem.Text = "Scan Library of &Some Accounts...";
 			this.scanLibraryOfSomeAccountsToolStripMenuItem.Click += new System.EventHandler(this.scanLibraryOfSomeAccountsToolStripMenuItem_Click);
 			// 
+			// removeLibraryBooksToolStripMenuItem
+			// 
+			this.removeLibraryBooksToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.removeAllAccountsToolStripMenuItem,
+            this.removeSomeAccountsToolStripMenuItem});
+			this.removeLibraryBooksToolStripMenuItem.Name = "removeLibraryBooksToolStripMenuItem";
+			this.removeLibraryBooksToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
+			this.removeLibraryBooksToolStripMenuItem.Text = "Remove Library Books";
+			// 
+			// removeAllAccountsToolStripMenuItem
+			// 
+			this.removeAllAccountsToolStripMenuItem.Name = "removeAllAccountsToolStripMenuItem";
+			this.removeAllAccountsToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+			this.removeAllAccountsToolStripMenuItem.Text = "All Accounts";
+			this.removeAllAccountsToolStripMenuItem.Click += new System.EventHandler(this.removeAllAccountsToolStripMenuItem_Click);
+			// 
+			// removeSomeAccountsToolStripMenuItem
+			// 
+			this.removeSomeAccountsToolStripMenuItem.Name = "removeSomeAccountsToolStripMenuItem";
+			this.removeSomeAccountsToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+			this.removeSomeAccountsToolStripMenuItem.Text = "Some Accounts";
+			this.removeSomeAccountsToolStripMenuItem.Click += new System.EventHandler(this.removeSomeAccountsToolStripMenuItem_Click);
+			// 
 			// liberateToolStripMenuItem
 			// 
 			this.liberateToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
@@ -368,5 +395,8 @@
 		private System.Windows.Forms.ToolStripMenuItem exportToolStripMenuItem;
 		private System.Windows.Forms.ToolStripMenuItem exportLibraryToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem convertAllM4bToMp3ToolStripMenuItem;
-    }
+        private System.Windows.Forms.ToolStripMenuItem removeLibraryBooksToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem removeAllAccountsToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem removeSomeAccountsToolStripMenuItem;
+	}
 }

LibationWinForms/Form1.cs

@@ -1,9 +1,4 @@
-using System;
+using ApplicationServices;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using System.Windows.Forms;
-using ApplicationServices;
 using DataLayer;
 using Dinah.Core;
 using Dinah.Core.Drawing;
@@ -11,332 +6,377 @@ using Dinah.Core.Windows.Forms;
 using FileManager;
 using InternalUtilities;
 using LibationWinForms.Dialogs;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows.Forms;
 
 namespace LibationWinForms
 {
-    public partial class Form1 : Form
+	public partial class Form1 : Form
-    {
+	{
-        private string backupsCountsLbl_Format { get; }
+		private string backupsCountsLbl_Format { get; }
-        private string pdfsCountsLbl_Format { get; }
+		private string pdfsCountsLbl_Format { get; }
 		private string visibleCountLbl_Format { get; }
 
 		private string beginBookBackupsToolStripMenuItem_format { get; }
 		private string beginPdfBackupsToolStripMenuItem_format { get; }
 
 		public Form1()
-        {
+		{
-            InitializeComponent();
+			InitializeComponent();
 
-            // back up string formats
+			// back up string formats
-            backupsCountsLbl_Format = backupsCountsLbl.Text;
+			backupsCountsLbl_Format = backupsCountsLbl.Text;
-            pdfsCountsLbl_Format = pdfsCountsLbl.Text;
+			pdfsCountsLbl_Format = pdfsCountsLbl.Text;
-            visibleCountLbl_Format = visibleCountLbl.Text;
+			visibleCountLbl_Format = visibleCountLbl.Text;
 
 			beginBookBackupsToolStripMenuItem_format = beginBookBackupsToolStripMenuItem.Text;
-            beginPdfBackupsToolStripMenuItem_format = beginPdfBackupsToolStripMenuItem.Text;
+			beginPdfBackupsToolStripMenuItem_format = beginPdfBackupsToolStripMenuItem.Text;
 
-            // after backing up formats: can set default/temp visible text
+			// after backing up formats: can set default/temp visible text
-            backupsCountsLbl.Text = "[Calculating backed up book quantities]";
+			backupsCountsLbl.Text = "[Calculating backed up book quantities]";
-            pdfsCountsLbl.Text = "[Calculating backed up PDFs]";
+			pdfsCountsLbl.Text = "[Calculating backed up PDFs]";
 			setVisibleCount(null, 0);
 
-            if (this.DesignMode)
+			if (this.DesignMode)
-                return;
+				return;
 
-            // independent UI updates
+			// independent UI updates
-            this.Load += setBackupCountsAsync;
+			this.Load += setBackupCountsAsync;
-            this.Load += (_, __) => RestoreSizeAndLocation();
+			this.Load += (_, __) => RestoreSizeAndLocation();
-            this.Load += (_, __) => RefreshImportMenu();
+			this.Load += (_, __) => RefreshImportMenu();
 
-            // start background service
+			var format = System.Drawing.Imaging.ImageFormat.Jpeg;
-            this.Load += (_, __) => startBackgroundImageDownloader();
+			PictureStorage.SetDefaultImage(PictureSize._80x80, Properties.Resources.default_cover_80x80.ToBytes(format));
-        }
+			PictureStorage.SetDefaultImage(PictureSize._300x300, Properties.Resources.default_cover_300x300.ToBytes(format));
+			PictureStorage.SetDefaultImage(PictureSize._500x500, Properties.Resources.default_cover_500x500.ToBytes(format));
+		}
 
-        private static void startBackgroundImageDownloader()
+		private void Form1_Load(object sender, EventArgs e)
-        {
-            // load default/missing cover images. this will also initiate the background image downloader
-            var format = System.Drawing.Imaging.ImageFormat.Jpeg;
-            PictureStorage.SetDefaultImage(PictureSize._80x80, Properties.Resources.default_cover_80x80.ToBytes(format));
-            PictureStorage.SetDefaultImage(PictureSize._300x300, Properties.Resources.default_cover_300x300.ToBytes(format));
-            PictureStorage.SetDefaultImage(PictureSize._500x500, Properties.Resources.default_cover_500x500.ToBytes(format));
-        }
-
-        private void Form1_Load(object sender, EventArgs e)
 		{
-            if (this.DesignMode)
+			if (this.DesignMode)
-                return;
+				return;
 
-            reloadGrid();
+			reloadGrid();
 
-            // also applies filter. ONLY call AFTER loading grid
+			// also applies filter. ONLY call AFTER loading grid
-            loadInitialQuickFilterState();
+			loadInitialQuickFilterState();
-        }
 			
-        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
+		}
-        {
+
-            SaveSizeAndLocation();
+		private void Form1_FormClosing(object sender, FormClosingEventArgs e)
-        }
+		{
+			SaveSizeAndLocation();
+		}
 
 		private void RestoreSizeAndLocation()
 		{
-            var config = Configuration.Instance;
+			var config = Configuration.Instance;
 
-            var width = config.MainFormWidth;
+			var width = config.MainFormWidth;
-            var height = config.MainFormHeight;
+			var height = config.MainFormHeight;
 
-            // too small -- something must have gone wrong. use defaults
+			// too small -- something must have gone wrong. use defaults
-            if (width < 25 || height < 25)
+			if (width < 25 || height < 25)
-            {
+			{
-                width = 1023;
+				width = 1023;
-                height = 578;
+				height = 578;
-            }
+			}
 
-            // Fit to the current screen size in case the screen resolution changed since the size was last persisted
+			// Fit to the current screen size in case the screen resolution changed since the size was last persisted
-            if (width > Screen.PrimaryScreen.WorkingArea.Width)
+			if (width > Screen.PrimaryScreen.WorkingArea.Width)
-                width = Screen.PrimaryScreen.WorkingArea.Width;
+				width = Screen.PrimaryScreen.WorkingArea.Width;
-            if (height > Screen.PrimaryScreen.WorkingArea.Height)
+			if (height > Screen.PrimaryScreen.WorkingArea.Height)
-                height = Screen.PrimaryScreen.WorkingArea.Height;
+				height = Screen.PrimaryScreen.WorkingArea.Height;
 
-            var x = config.MainFormX;
+			var x = config.MainFormX;
-            var y = config.MainFormY;
+			var y = config.MainFormY;
 
-            var rect = new System.Drawing.Rectangle(x, y, width, height);
+			var rect = new System.Drawing.Rectangle(x, y, width, height);
 
-            // is proposed rect on a screen?
+			// is proposed rect on a screen?
-            if (Screen.AllScreens.Any(screen => screen.WorkingArea.Contains(rect)))
+			if (Screen.AllScreens.Any(screen => screen.WorkingArea.Contains(rect)))
-            {
+			{
-                this.StartPosition = FormStartPosition.Manual;
+				this.StartPosition = FormStartPosition.Manual;
-                this.DesktopBounds = rect;
+				this.DesktopBounds = rect;
-            }
+			}
-            else
+			else
-            {
+			{
-                this.StartPosition = FormStartPosition.WindowsDefaultLocation;
+				this.StartPosition = FormStartPosition.WindowsDefaultLocation;
-                this.Size = rect.Size;
+				this.Size = rect.Size;
-            }
+			}
 
-            // FINAL: for Maximized: start normal state, set size and location, THEN set max state
+			// FINAL: for Maximized: start normal state, set size and location, THEN set max state
-            this.WindowState = config.MainFormIsMaximized ? FormWindowState.Maximized : FormWindowState.Normal;
+			this.WindowState = config.MainFormIsMaximized ? FormWindowState.Maximized : FormWindowState.Normal;
-        }
+		}
 
-        private void SaveSizeAndLocation()
+		private void SaveSizeAndLocation()
-        {
+		{
-            System.Drawing.Point location;
+			System.Drawing.Point location;
-            System.Drawing.Size size;
+			System.Drawing.Size size;
 
-            // save location and size if the state is normal
+			// save location and size if the state is normal
-            if (this.WindowState == FormWindowState.Normal)
+			if (this.WindowState == FormWindowState.Normal)
-            {
+			{
-                location = this.Location;
+				location = this.Location;
-                size = this.Size;
+				size = this.Size;
-            }
+			}
-            else
+			else
-            {
+			{
-                // save the RestoreBounds if the form is minimized or maximized
+				// save the RestoreBounds if the form is minimized or maximized
-                location = this.RestoreBounds.Location;
+				location = this.RestoreBounds.Location;
-                size = this.RestoreBounds.Size;
+				size = this.RestoreBounds.Size;
-            }
+			}
 
-            var config = Configuration.Instance;
+			var config = Configuration.Instance;
 
-            config.MainFormX = location.X;
+			config.MainFormX = location.X;
-            config.MainFormY = location.Y;
+			config.MainFormY = location.Y;
 
-            config.MainFormWidth = size.Width;
+			config.MainFormWidth = size.Width;
-            config.MainFormHeight = size.Height;
+			config.MainFormHeight = size.Height;
 
-            config.MainFormIsMaximized = this.WindowState == FormWindowState.Maximized;
+			config.MainFormIsMaximized = this.WindowState == FormWindowState.Maximized;
-        }
+		}
 
-        #region reload grid
+		#region reload grid
-        bool isProcessingGridSelect = false;
+		private bool isProcessingGridSelect = false;
-        private void reloadGrid()
+		private void reloadGrid()
-        {
+		{
-            // suppressed filter while init'ing UI
+			// suppressed filter while init'ing UI
-            var prev_isProcessingGridSelect = isProcessingGridSelect;
+			var prev_isProcessingGridSelect = isProcessingGridSelect;
-            isProcessingGridSelect = true;
+			isProcessingGridSelect = true;
-            setGrid();
+			setGrid();
-            isProcessingGridSelect = prev_isProcessingGridSelect;
+			isProcessingGridSelect = prev_isProcessingGridSelect;
 
-            // UI init complete. now we can apply filter
+			// UI init complete. now we can apply filter
-            doFilter(lastGoodFilter);
+			doFilter(lastGoodFilter);
-        }
+		}
 
-        ProductsGrid currProductsGrid;
+		private ProductsGrid currProductsGrid;
-        private void setGrid()
+		private void setGrid()
-        {
+		{
-            SuspendLayout();
+			SuspendLayout();
-            {
+			{
-                if (currProductsGrid != null)
+				if (currProductsGrid != null)
-                {
+				{
-                    gridPanel.Controls.Remove(currProductsGrid);
+					gridPanel.Controls.Remove(currProductsGrid);
-                    currProductsGrid.VisibleCountChanged -= setVisibleCount;
+					currProductsGrid.VisibleCountChanged -= setVisibleCount;
-                    currProductsGrid.BackupCountsChanged -= setBackupCountsAsync;
+					currProductsGrid.BackupCountsChanged -= setBackupCountsAsync;
-                    currProductsGrid.Dispose();
+					currProductsGrid.Dispose();
-                }
+				}
 
-                currProductsGrid = new ProductsGrid { Dock = DockStyle.Fill };
+				currProductsGrid = new ProductsGrid { Dock = DockStyle.Fill };
-                currProductsGrid.VisibleCountChanged += setVisibleCount;
+				currProductsGrid.VisibleCountChanged += setVisibleCount;
-                currProductsGrid.BackupCountsChanged += setBackupCountsAsync;
+				currProductsGrid.BackupCountsChanged += setBackupCountsAsync;
-                gridPanel.UIThread(() => gridPanel.Controls.Add(currProductsGrid));
+				gridPanel.UIThread(() => gridPanel.Controls.Add(currProductsGrid));
-                currProductsGrid.Display();
+				currProductsGrid.Display();
-            }
+			}
-            ResumeLayout();
+			ResumeLayout();
-        }
+		}
-        #endregion
+		#endregion
 
-        #region bottom: qty books visible
+		#region bottom: qty books visible
-        private void setVisibleCount(object _, int qty) => visibleCountLbl.Text = string.Format(visibleCountLbl_Format, qty);
+		private void setVisibleCount(object _, int qty) => visibleCountLbl.Text = string.Format(visibleCountLbl_Format, qty);
-        #endregion
+		#endregion
 
-        #region bottom: backup counts
+		#region bottom: backup counts
-        private async void setBackupCountsAsync(object _, object __)
+		private async void setBackupCountsAsync(object _, object __)
-        {
+		{
-            LibraryCommands.LibraryStats libraryStats = null;
+			LibraryCommands.LibraryStats libraryStats = null;
-            await Task.Run(() => libraryStats = LibraryCommands.GetCounts());
+			await Task.Run(() => libraryStats = LibraryCommands.GetCounts());
 
-            setBookBackupCounts(libraryStats.booksFullyBackedUp, libraryStats.booksDownloadedOnly, libraryStats.booksNoProgress);
+			setBookBackupCounts(libraryStats.booksFullyBackedUp, libraryStats.booksDownloadedOnly, libraryStats.booksNoProgress);
-            setPdfBackupCounts(libraryStats.pdfsDownloaded, libraryStats.pdfsNotDownloaded);
+			setPdfBackupCounts(libraryStats.pdfsDownloaded, libraryStats.pdfsNotDownloaded);
-        }
+		}
-        private void setBookBackupCounts(int booksFullyBackedUp, int booksDownloadedOnly, int booksNoProgress)
+		private void setBookBackupCounts(int booksFullyBackedUp, int booksDownloadedOnly, int booksNoProgress)
-        {
+		{
-            // enable/disable export
+			// enable/disable export
-            var hasResults = 0 < (booksFullyBackedUp + booksDownloadedOnly + booksNoProgress);
+			var hasResults = 0 < (booksFullyBackedUp + booksDownloadedOnly + booksNoProgress);
-            exportLibraryToolStripMenuItem.Enabled = hasResults;
+			exportLibraryToolStripMenuItem.Enabled = hasResults;
 
-            // update bottom numbers
+			// update bottom numbers
-            var pending = booksNoProgress + booksDownloadedOnly;
+			var pending = booksNoProgress + booksDownloadedOnly;
-            var statusStripText
+			var statusStripText
-                = !hasResults ? "No books. Begin by importing your library"
+				= !hasResults ? "No books. Begin by importing your library"
-                : pending > 0 ? string.Format(backupsCountsLbl_Format, booksNoProgress, booksDownloadedOnly, booksFullyBackedUp)
+				: pending > 0 ? string.Format(backupsCountsLbl_Format, booksNoProgress, booksDownloadedOnly, booksFullyBackedUp)
-                : $"All {"book".PluralizeWithCount(booksFullyBackedUp)} backed up";
+				: $"All {"book".PluralizeWithCount(booksFullyBackedUp)} backed up";
 
-            // update menu item
+			// update menu item
-            var menuItemText
+			var menuItemText
-                = pending > 0
+				= pending > 0
-                ? $"{pending} remaining"
+				? $"{pending} remaining"
-                : "All books have been liberated";
+				: "All books have been liberated";
 
-            // update UI
+			// update UI
-            statusStrip1.UIThread(() => backupsCountsLbl.Text = statusStripText);
+			statusStrip1.UIThread(() => backupsCountsLbl.Text = statusStripText);
-            menuStrip1.UIThread(() => beginBookBackupsToolStripMenuItem.Enabled = pending > 0);
+			menuStrip1.UIThread(() => beginBookBackupsToolStripMenuItem.Enabled = pending > 0);
-            menuStrip1.UIThread(() => beginBookBackupsToolStripMenuItem.Text = string.Format(beginBookBackupsToolStripMenuItem_format, menuItemText));
+			menuStrip1.UIThread(() => beginBookBackupsToolStripMenuItem.Text = string.Format(beginBookBackupsToolStripMenuItem_format, menuItemText));
-        }
+		}
-        private void setPdfBackupCounts(int pdfsDownloaded, int pdfsNotDownloaded)
+		private void setPdfBackupCounts(int pdfsDownloaded, int pdfsNotDownloaded)
-        {
+		{
-            // update bottom numbers
+			// update bottom numbers
-            var hasResults = 0 < (pdfsNotDownloaded + pdfsDownloaded);
+			var hasResults = 0 < (pdfsNotDownloaded + pdfsDownloaded);
-            var statusStripText
+			var statusStripText
-                = !hasResults ? ""
+				= !hasResults ? ""
-                : pdfsNotDownloaded > 0 ? string.Format(pdfsCountsLbl_Format, pdfsNotDownloaded, pdfsDownloaded)
+				: pdfsNotDownloaded > 0 ? string.Format(pdfsCountsLbl_Format, pdfsNotDownloaded, pdfsDownloaded)
-                : $"|  All {pdfsDownloaded} PDFs downloaded";
+				: $"|  All {pdfsDownloaded} PDFs downloaded";
 
-            // update menu item
+			// update menu item
-            var menuItemText
+			var menuItemText
-                = pdfsNotDownloaded > 0
+				= pdfsNotDownloaded > 0
-                ? $"{pdfsNotDownloaded} remaining"
+				? $"{pdfsNotDownloaded} remaining"
-                : "All PDFs have been downloaded";
+				: "All PDFs have been downloaded";
 
-            // update UI
+			// update UI
-            statusStrip1.UIThread(() => pdfsCountsLbl.Text = statusStripText);
+			statusStrip1.UIThread(() => pdfsCountsLbl.Text = statusStripText);
-            menuStrip1.UIThread(() => beginPdfBackupsToolStripMenuItem.Enabled = pdfsNotDownloaded > 0);
+			menuStrip1.UIThread(() => beginPdfBackupsToolStripMenuItem.Enabled = pdfsNotDownloaded > 0);
-            menuStrip1.UIThread(() => beginPdfBackupsToolStripMenuItem.Text = string.Format(beginPdfBackupsToolStripMenuItem_format, menuItemText));
+			menuStrip1.UIThread(() => beginPdfBackupsToolStripMenuItem.Text = string.Format(beginPdfBackupsToolStripMenuItem_format, menuItemText));
-        }
+		}
-        #endregion
+		#endregion
 
-        #region filter
+		#region filter
-        private void filterHelpBtn_Click(object sender, EventArgs e) => new SearchSyntaxDialog().ShowDialog();
+		private void filterHelpBtn_Click(object sender, EventArgs e) => new SearchSyntaxDialog().ShowDialog();
 
-        private void AddFilterBtn_Click(object sender, EventArgs e)
+		private void AddFilterBtn_Click(object sender, EventArgs e)
-        {
+		{
-            QuickFilters.Add(this.filterSearchTb.Text);
+			QuickFilters.Add(this.filterSearchTb.Text);
-            UpdateFilterDropDown();
+			UpdateFilterDropDown();
-        }
+		}
 
-        private void filterSearchTb_KeyPress(object sender, KeyPressEventArgs e)
+		private void filterSearchTb_KeyPress(object sender, KeyPressEventArgs e)
-        {
+		{
-            if (e.KeyChar == (char)Keys.Return)
+			if (e.KeyChar == (char)Keys.Return)
-            {
+			{
-                doFilter();
+				doFilter();
 
-                // silence the 'ding'
+				// silence the 'ding'
-                e.Handled = true;
+				e.Handled = true;
-            }
+			}
-        }
+		}
-        private void filterBtn_Click(object sender, EventArgs e) => doFilter();
+		private void filterBtn_Click(object sender, EventArgs e) => doFilter();
 
-        string lastGoodFilter = "";
+		private string lastGoodFilter = "";
-        private void doFilter(string filterString)
+		private void doFilter(string filterString)
-        {
+		{
-            this.filterSearchTb.Text = filterString;
+			this.filterSearchTb.Text = filterString;
-            doFilter();
+			doFilter();
-        }
+		}
-        private void doFilter()
+		private void doFilter()
-        {
+		{
-            if (isProcessingGridSelect || currProductsGrid == null)
+			if (isProcessingGridSelect || currProductsGrid == null)
-                return;
+				return;
 
-            try
+			try
-            {
+			{
-                currProductsGrid.Filter(filterSearchTb.Text);
+				currProductsGrid.Filter(filterSearchTb.Text);
-                lastGoodFilter = filterSearchTb.Text;
+				lastGoodFilter = filterSearchTb.Text;
-            }
+			}
-            catch (Exception ex)
+			catch (Exception ex)
-            {
+			{
-                MessageBox.Show($"Bad filter string:\r\n\r\n{ex.Message}", "Bad filter string", MessageBoxButtons.OK, MessageBoxIcon.Error);
+				MessageBox.Show($"Bad filter string:\r\n\r\n{ex.Message}", "Bad filter string", MessageBoxButtons.OK, MessageBoxIcon.Error);
 
-                // re-apply last good filter
+				// re-apply last good filter
-                doFilter(lastGoodFilter);
+				doFilter(lastGoodFilter);
-            }
+			}
-        }
+		}
-        #endregion
+		#endregion
 
-        #region Import menu
+		#region Import menu
-        public void RefreshImportMenu()
+		public void RefreshImportMenu()
-        {
+		{
-            using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
+			using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
-            var count = persister.AccountsSettings.Accounts.Count;
+			var count = persister.AccountsSettings.Accounts.Count;
 
-            noAccountsYetAddAccountToolStripMenuItem.Visible = count == 0;
+			noAccountsYetAddAccountToolStripMenuItem.Visible = count == 0;
-            scanLibraryToolStripMenuItem.Visible = count == 1;
+			scanLibraryToolStripMenuItem.Visible = count == 1;
-            scanLibraryOfAllAccountsToolStripMenuItem.Visible = count > 1;
+			scanLibraryOfAllAccountsToolStripMenuItem.Visible = count > 1;
-            scanLibraryOfSomeAccountsToolStripMenuItem.Visible = count > 1;
+			scanLibraryOfSomeAccountsToolStripMenuItem.Visible = count > 1;
-        }
 
-        private void noAccountsYetAddAccountToolStripMenuItem_Click(object sender, EventArgs e)
+			removeLibraryBooksToolStripMenuItem.Visible = count != 0;
-        {
-            MessageBox.Show("To load your Audible library, come back here to the Import menu after adding your account");
-            new AccountsDialog(this).ShowDialog();
-        }
 
-        private void scanLibraryToolStripMenuItem_Click(object sender, EventArgs e)
+			if (count == 1)
-        {
+			{
-            using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
+				removeLibraryBooksToolStripMenuItem.Click += removeThisAccountToolStripMenuItem_Click;
-            var firstAccount = persister.AccountsSettings.GetAll().FirstOrDefault();
+			}
-            scanLibraries(firstAccount);
-        }
 
-        private void scanLibraryOfAllAccountsToolStripMenuItem_Click(object sender, EventArgs e)
+			removeSomeAccountsToolStripMenuItem.Visible = count > 1;
-        {
+			removeAllAccountsToolStripMenuItem.Visible = count > 1;
-            using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
+		}
-            var allAccounts = persister.AccountsSettings.GetAll();
-            scanLibraries(allAccounts);
-        }
 
-        private void scanLibraryOfSomeAccountsToolStripMenuItem_Click(object sender, EventArgs e)
+		private void noAccountsYetAddAccountToolStripMenuItem_Click(object sender, EventArgs e)
-        {
+		{
-            using var scanAccountsDialog = new ScanAccountsDialog(this);
+			MessageBox.Show("To load your Audible library, come back here to the Import menu after adding your account");
+			new AccountsDialog(this).ShowDialog();
+		}
 
-            if (scanAccountsDialog.ShowDialog() != DialogResult.OK)
+		private void scanLibraryToolStripMenuItem_Click(object sender, EventArgs e)
-                return;
+		{
+			using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
+			var firstAccount = persister.AccountsSettings.GetAll().FirstOrDefault();
+			scanLibraries(firstAccount);
+		}
 
-            if (!scanAccountsDialog.CheckedAccounts.Any())
+		private void scanLibraryOfAllAccountsToolStripMenuItem_Click(object sender, EventArgs e)
-                return;
+		{
+			using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
+			var allAccounts = persister.AccountsSettings.GetAll();
+			scanLibraries(allAccounts);
+		}
 
-            scanLibraries(scanAccountsDialog.CheckedAccounts);
+		private void scanLibraryOfSomeAccountsToolStripMenuItem_Click(object sender, EventArgs e)
-        }
+		{
+			using var scanAccountsDialog = new ScanAccountsDialog(this);
 
-        private void scanLibraries(IEnumerable<Account> accounts) => scanLibraries(accounts.ToArray());
+			if (scanAccountsDialog.ShowDialog() != DialogResult.OK)
-        private void scanLibraries(params Account[] accounts)
+				return;
+
+			if (!scanAccountsDialog.CheckedAccounts.Any())
+				return;
+
+			scanLibraries(scanAccountsDialog.CheckedAccounts);
+		}
+
+		private void removeThisAccountToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
+			var firstAccount = persister.AccountsSettings.GetAll().FirstOrDefault();
+			scanLibrariesRemovedBooks(firstAccount);
+		}
+
+		private void removeAllAccountsToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
+			var allAccounts = persister.AccountsSettings.GetAll();
+			scanLibrariesRemovedBooks(allAccounts.ToArray());
+		}
+
+		private void removeSomeAccountsToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			using var scanAccountsDialog = new ScanAccountsDialog(this);
+
+			if (scanAccountsDialog.ShowDialog() != DialogResult.OK)
+				return;
+
+			if (!scanAccountsDialog.CheckedAccounts.Any())
+				return;
+
+			scanLibrariesRemovedBooks(scanAccountsDialog.CheckedAccounts.ToArray());
+		}
+
+		private void scanLibrariesRemovedBooks(params Account[] accounts)
+		{
+			using var dialog = new RemoveBooksDialog(accounts);
+			dialog.ShowDialog();
+
+			if (dialog.BooksRemoved)
+				reloadGrid();
+		}
+
+		private void scanLibraries(IEnumerable<Account> accounts) => scanLibraries(accounts.ToArray());
+		private void scanLibraries(params Account[] accounts)
 		{
 			using var dialog = new IndexLibraryDialog(accounts);
 			dialog.ShowDialog();
@@ -348,112 +388,113 @@ namespace LibationWinForms
 
 			if (totalProcessed > 0)
 				reloadGrid();
-        }
+		}
-        #endregion
+		#endregion
 
-        #region liberate menu
+		#region liberate menu
-        private async void beginBookBackupsToolStripMenuItem_Click(object sender, EventArgs e)
+		private async void beginBookBackupsToolStripMenuItem_Click(object sender, EventArgs e)
-            => await BookLiberation.ProcessorAutomationController.BackupAllBooksAsync(updateGridRow);
+			=> await BookLiberation.ProcessorAutomationController.BackupAllBooksAsync(updateGridRow);
 
-        private async void beginPdfBackupsToolStripMenuItem_Click(object sender, EventArgs e)
+		private async void beginPdfBackupsToolStripMenuItem_Click(object sender, EventArgs e)
-            => await BookLiberation.ProcessorAutomationController.BackupAllPdfsAsync(updateGridRow);
+			=> await BookLiberation.ProcessorAutomationController.BackupAllPdfsAsync(updateGridRow);
 
-        private async void convertAllM4bToMp3ToolStripMenuItem_Click(object sender, EventArgs e)
+		private async void convertAllM4bToMp3ToolStripMenuItem_Click(object sender, EventArgs e)
-            => await BookLiberation.ProcessorAutomationController.ConvertAllBooksAsync();
+			=> await BookLiberation.ProcessorAutomationController.ConvertAllBooksAsync();
 
-        private void updateGridRow(object _, LibraryBook libraryBook) => currProductsGrid.RefreshRow(libraryBook.Book.AudibleProductId);
+		private void updateGridRow(object _, LibraryBook libraryBook) => currProductsGrid.RefreshRow(libraryBook.Book.AudibleProductId);
-        #endregion
+		#endregion
 
-        #region Export menu
+		#region Export menu
-        private void exportLibraryToolStripMenuItem_Click(object sender, EventArgs e)
+		private void exportLibraryToolStripMenuItem_Click(object sender, EventArgs e)
-        {
+		{
-            try
+			try
-            {
+			{
-                var saveFileDialog = new SaveFileDialog
+				var saveFileDialog = new SaveFileDialog
-                {
+				{
-                    Title = "Where to export Library",
+					Title = "Where to export Library",
-                    Filter = "Excel Workbook (*.xlsx)|*.xlsx|CSV files (*.csv)|*.csv|JSON files (*.json)|*.json" // + "|All files (*.*)|*.*"
+					Filter = "Excel Workbook (*.xlsx)|*.xlsx|CSV files (*.csv)|*.csv|JSON files (*.json)|*.json" // + "|All files (*.*)|*.*"
-                };
+				};
 
-                if (saveFileDialog.ShowDialog() != DialogResult.OK)
+				if (saveFileDialog.ShowDialog() != DialogResult.OK)
-                    return;
+					return;
 
-                // FilterIndex is 1-based, NOT 0-based
+				// FilterIndex is 1-based, NOT 0-based
-                switch (saveFileDialog.FilterIndex)
+				switch (saveFileDialog.FilterIndex)
-                {
+				{
-                    case 1: // xlsx
+					case 1: // xlsx
-                    default:
+					default:
-                        LibraryExporter.ToXlsx(saveFileDialog.FileName);
+						LibraryExporter.ToXlsx(saveFileDialog.FileName);
-                        break;
+						break;
-                    case 2: // csv
+					case 2: // csv
-                        LibraryExporter.ToCsv(saveFileDialog.FileName);
+						LibraryExporter.ToCsv(saveFileDialog.FileName);
-                        break;
+						break;
-                    case 3: // json
+					case 3: // json
-                        LibraryExporter.ToJson(saveFileDialog.FileName);
+						LibraryExporter.ToJson(saveFileDialog.FileName);
-                        break;
+						break;
-                }
+				}
 
-                MessageBox.Show("Library exported to:\r\n" + saveFileDialog.FileName);
+				MessageBox.Show("Library exported to:\r\n" + saveFileDialog.FileName);
-            }
+			}
-            catch (Exception ex)
+			catch (Exception ex)
-            {
+			{
-                MessageBoxAlertAdmin.Show("Error attempting to export your library.", "Error exporting", ex);
+				MessageBoxAlertAdmin.Show("Error attempting to export your library.", "Error exporting", ex);
-            }
+			}
-        }
+		}
-        #endregion
+		#endregion
 
-        #region quick filters menu
+		#region quick filters menu
-        private void loadInitialQuickFilterState()
+		private void loadInitialQuickFilterState()
-        {
+		{
-            // set inital state. do once only
+			// set inital state. do once only
-            firstFilterIsDefaultToolStripMenuItem.Checked = QuickFilters.UseDefault;
+			firstFilterIsDefaultToolStripMenuItem.Checked = QuickFilters.UseDefault;
 
-            // load default filter. do once only
+			// load default filter. do once only
-            if (QuickFilters.UseDefault)
+			if (QuickFilters.UseDefault)
-                doFilter(QuickFilters.Filters.FirstOrDefault());
+				doFilter(QuickFilters.Filters.FirstOrDefault());
 
-            // do after every save
+			// do after every save
-            UpdateFilterDropDown();
+			UpdateFilterDropDown();
-        }
+		}
 
-        private void FirstFilterIsDefaultToolStripMenuItem_Click(object sender, EventArgs e)
+		private void FirstFilterIsDefaultToolStripMenuItem_Click(object sender, EventArgs e)
-        {
+		{
-            firstFilterIsDefaultToolStripMenuItem.Checked = !firstFilterIsDefaultToolStripMenuItem.Checked;
+			firstFilterIsDefaultToolStripMenuItem.Checked = !firstFilterIsDefaultToolStripMenuItem.Checked;
-            QuickFilters.UseDefault = firstFilterIsDefaultToolStripMenuItem.Checked;
+			QuickFilters.UseDefault = firstFilterIsDefaultToolStripMenuItem.Checked;
-        }
+		}
 
-        object quickFilterTag { get; } = new object();
+		private object quickFilterTag { get; } = new object();
-        public void UpdateFilterDropDown()
+		public void UpdateFilterDropDown()
-        {
+		{
-            // remove old
+			// remove old
-            for (var i = quickFiltersToolStripMenuItem.DropDownItems.Count - 1; i >= 0; i--)
+			for (var i = quickFiltersToolStripMenuItem.DropDownItems.Count - 1; i >= 0; i--)
-            {
+			{
-                var menuItem = quickFiltersToolStripMenuItem.DropDownItems[i];
+				var menuItem = quickFiltersToolStripMenuItem.DropDownItems[i];
-                if (menuItem.Tag == quickFilterTag)
+				if (menuItem.Tag == quickFilterTag)
-                    quickFiltersToolStripMenuItem.DropDownItems.Remove(menuItem);
+					quickFiltersToolStripMenuItem.DropDownItems.Remove(menuItem);
-            }
+			}
 
-            // re-populate
+			// re-populate
-            var index = 0;
+			var index = 0;
-            foreach (var filter in QuickFilters.Filters)
+			foreach (var filter in QuickFilters.Filters)
-            {
+			{
-                var menuItem = new ToolStripMenuItem
+				var menuItem = new ToolStripMenuItem
-                {
+				{
-                    Tag = quickFilterTag,
+					Tag = quickFilterTag,
-                    Text = $"&{++index}: {filter}"
+					Text = $"&{++index}: {filter}"
-                };
+				};
-                menuItem.Click += (_, __) => doFilter(filter);
+				menuItem.Click += (_, __) => doFilter(filter);
-                quickFiltersToolStripMenuItem.DropDownItems.Add(menuItem);
+				quickFiltersToolStripMenuItem.DropDownItems.Add(menuItem);
-            }
+			}
-        }
+		}
 
-        private void EditQuickFiltersToolStripMenuItem_Click(object sender, EventArgs e) => new EditQuickFilters(this).ShowDialog();
+		private void EditQuickFiltersToolStripMenuItem_Click(object sender, EventArgs e) => new EditQuickFilters(this).ShowDialog();
-        #endregion
+		#endregion
 
-        #region settings menu
+		#region settings menu
-        private void accountsToolStripMenuItem_Click(object sender, EventArgs e) => new AccountsDialog(this).ShowDialog();
+		private void accountsToolStripMenuItem_Click(object sender, EventArgs e) => new AccountsDialog(this).ShowDialog();
 
-        private void basicSettingsToolStripMenuItem_Click(object sender, EventArgs e) => new SettingsDialog().ShowDialog();
+		private void basicSettingsToolStripMenuItem_Click(object sender, EventArgs e) => new SettingsDialog().ShowDialog();
-        #endregion
+		#endregion
-    }
+
+	}
 }

LibationWinForms/GridEntry.cs

@@ -1,87 +1,142 @@
-using System;
+using ApplicationServices;
+using DataLayer;
+using Dinah.Core.Drawing;
+using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Drawing;
 using System.Linq;
-using ApplicationServices;
-using DataLayer;
 
 namespace LibationWinForms
 {
-	internal class GridEntry
+	internal class GridEntry : AsyncNotifyPropertyChanged, IMemberComparable
 	{
-		private LibraryBook libraryBook { get; }
+		#region implementation properties
-		private Book book => libraryBook.Book;
-
-		public Book GetBook() => book;
-		public LibraryBook GetLibraryBook() => libraryBook;
-
-		public GridEntry(LibraryBook libraryBook) => this.libraryBook = libraryBook;
-
 		// hide from public fields from Data Source GUI with [Browsable(false)]
 
 		[Browsable(false)]
-		public string AudibleProductId => book.AudibleProductId;
+		public string AudibleProductId => Book.AudibleProductId;
 		[Browsable(false)]
-		public string Tags => book.UserDefinedItem.Tags;
+		public LibraryBook LibraryBook { get; }
-		[Browsable(false)]
-		public IEnumerable<string> TagsEnumerated => book.UserDefinedItem.TagsEnumerated;
-		[Browsable(false)]
-		public string PictureId => book.PictureId;
-		[Browsable(false)]
-		public LiberatedState Liberated_Status => LibraryCommands.Liberated_Status(book);
-		[Browsable(false)]
-		public PdfState Pdf_Status => LibraryCommands.Pdf_Status(book);
 
-		// displayValues is what gets displayed
+		#endregion
-		// the value that gets returned from the property is the cell's value
-		// this allows for the value to be sorted one way and displayed another
-		// eg:
-		//   orig title: The Computer
-		//   formatReplacement: The Computer
-		//   value for sorting: Computer
-		private Dictionary<string, string> displayValues { get; } = new Dictionary<string, string>();
-		public bool TryDisplayValue(string key, out string value) => displayValues.TryGetValue(key, out value);
 
-		public Image Cover =>
+		private Book Book => LibraryBook.Book;
-			WindowsDesktopUtilities.WinAudibleImageServer.GetImage(book.PictureId, FileManager.PictureSize._80x80);
+		private Image _cover;
 
-		public string Title
+		public GridEntry(LibraryBook libraryBook)
 		{
-			get
+			LibraryBook = libraryBook;
+			_memberValues = CreateMemberValueDictionary();
+
+			//Get cover art. If it's default, subscribe to PictureCached
 			{
-				displayValues[nameof(Title)] = book.Title;
+				(bool isDefault, byte[] picture) = FileManager.PictureStorage.GetPicture(new FileManager.PictureDefinition(Book.PictureId, FileManager.PictureSize._80x80));
-				return getSortName(book.Title);
+
+				if (isDefault)
+					FileManager.PictureStorage.PictureCached += PictureStorage_PictureCached;
+
+				//Mutable property. Set the field so PropertyChanged isn't fired.
+				_cover = ImageReader.ToImage(picture);
+			}
+
+			//Immutable properties
+			{
+				Title = Book.Title;
+				Series = Book.SeriesNames;
+				Length = Book.LengthInMinutes == 0 ? "" : $"{Book.LengthInMinutes / 60} hr {Book.LengthInMinutes % 60} min";
+				MyRating = ValueOrDefault(Book.UserDefinedItem.Rating?.ToStarString(), "");
+				PurchaseDate = libraryBook.DateAdded.ToString("d");
+				ProductRating = ValueOrDefault(Book.Rating?.ToStarString(), "");
+				Authors = Book.AuthorNames;
+				Narrators = Book.NarratorNames;
+				Category = string.Join(" > ", Book.CategoriesNames);
+				Misc = GetMiscDisplay(libraryBook);
+				Description = GetDescriptionDisplay(Book);
+			}
+
+			//DisplayTags and Liberate properties are live.
+		}
+
+		private void PictureStorage_PictureCached(object sender, FileManager.PictureCachedEventArgs e)
+		{
+			if (e.Definition.PictureId == Book.PictureId)
+			{
+				Cover = ImageReader.ToImage(e.Picture);
+				FileManager.PictureStorage.PictureCached -= PictureStorage_PictureCached;
 			}
 		}
 
-		public string Authors => book.AuthorNames;
+		#region Data Source properties
-		public string Narrators => book.NarratorNames;
 
-		public int Length
+		public Image Cover
 		{
 			get
 			{
-				displayValues[nameof(Length)]
+				return _cover;
-					= book.LengthInMinutes == 0
-					? ""
-					: $"{book.LengthInMinutes / 60} hr {book.LengthInMinutes % 60} min";
-
-				return book.LengthInMinutes;
 			}
-		}
+			private set
-
-		public string Series
-		{
-			get
 			{
-				displayValues[nameof(Series)] = book.SeriesNames;
+				_cover = value;
-				return getSortName(book.SeriesNames);
+				NotifyPropertyChanged();
 			}
 		}
 
-		private static string[] sortPrefixIgnores { get; } = new[] { "the", "a", "an" };
+		public string ProductRating { get; }
-		private static string getSortName(string unformattedName)
+		public string PurchaseDate { get; }
+		public string MyRating { get; }
+		public string Series { get; }
+		public string Title { get; }
+		public string Length { get; }
+		public string Authors { get; }
+		public string Narrators { get; }
+		public string Category { get; }
+		public string Misc { get; }
+		public string Description { get; }
+		public string DisplayTags => string.Join("\r\n", Book.UserDefinedItem.TagsEnumerated);
+		public (LiberatedState, PdfState) Liberate => (LibraryCommands.Liberated_Status(Book), LibraryCommands.Pdf_Status(Book));
+		#endregion
+
+		#region Data Sorting
+
+		private Dictionary<string, Func<object>> _memberValues { get; }
+
+		/// <summary>
+		/// Create getters for all member object values by name
+		/// </summary>
+		private Dictionary<string, Func<object>> CreateMemberValueDictionary() => new()
+		{
+			{ nameof(Title), () => GetSortName(Book.Title) },
+			{ nameof(Series), () => GetSortName(Book.SeriesNames) },
+			{ nameof(Length), () => Book.LengthInMinutes },
+			{ nameof(MyRating), () => Book.UserDefinedItem.Rating.FirstScore },
+			{ nameof(PurchaseDate), () => LibraryBook.DateAdded },
+			{ nameof(ProductRating), () => Book.Rating.FirstScore },
+			{ nameof(Authors), () => Authors },
+			{ nameof(Narrators), () => Narrators },
+			{ nameof(Description), () => Description },
+			{ nameof(Category), () => Category },
+			{ nameof(Misc), () => Misc },
+			{ nameof(DisplayTags), () => DisplayTags },
+			{ nameof(Liberate), () => Liberate.Item1 }
+		};
+
+		// Instantiate comparers for every exposed member object type.
+		private static readonly Dictionary<Type, IComparer> _memberTypeComparers = new()
+		{
+			{ typeof(string), new ObjectComparer<string>() },
+			{ typeof(int), new ObjectComparer<int>() },
+			{ typeof(float), new ObjectComparer<float>() },
+			{ typeof(DateTime), new ObjectComparer<DateTime>() },
+			{ typeof(LiberatedState), new ObjectComparer<LiberatedState>() },
+		};
+
+		public virtual object GetMemberValue(string memberName) => _memberValues[memberName]();
+		public virtual IComparer GetMemberComparer(Type memberType) => _memberTypeComparers[memberType];
+
+		private static readonly string[] _sortPrefixIgnores = { "the", "a", "an" };
+		private static string GetSortName(string unformattedName)
 		{
 			var sortName = unformattedName
 				.Replace("|", "")
@@ -89,110 +144,93 @@ namespace LibationWinForms
 				.ToLowerInvariant()
 				.Trim();
 
-			if (sortPrefixIgnores.Any(prefix => sortName.StartsWith(prefix + " ")))
+			if (_sortPrefixIgnores.Any(prefix => sortName.StartsWith(prefix + " ")))
 				sortName = sortName.Substring(sortName.IndexOf(" ") + 1).TrimStart();
 
 			return sortName;
 		}
 
-		private string descriptionCache = null;
+		#endregion
-		public string Description
-		{
-			get
-			{
-				// HtmlAgilityPack is expensive. cache results
-				if (descriptionCache is null)
-				{
-					if (book.Description is null)
-						descriptionCache = "";
-					else
-					{
-						var doc = new HtmlAgilityPack.HtmlDocument();
-						doc.LoadHtml(book.Description);
-						var noHtml = doc.DocumentNode.InnerText;
-						descriptionCache
-							= noHtml.Length < 63
-							? noHtml
-							: noHtml.Substring(0, 60) + "...";
-					}
-				}
 
-				return descriptionCache;
+		#region Static library display functions
-			}
+
+		public static (string mouseoverText, Bitmap buttonImage) GetLiberateDisplay(LiberatedState liberatedStatus, PdfState pdfStatus)
+		{
+			(string libState, string image_lib) = liberatedStatus switch
+			{
+				LiberatedState.Liberated => ("Liberated", "green"),
+				LiberatedState.PartialDownload => ("File has been at least\r\npartially downloaded", "yellow"),
+				LiberatedState.NotDownloaded => ("Book NOT downloaded", "red"),
+				_ => throw new Exception("Unexpected liberation state")
+			};
+
+			(string pdfState, string image_pdf) = pdfStatus switch
+			{
+				PdfState.Downloaded => ("\r\nPDF downloaded", "_pdf_yes"),
+				PdfState.NotDownloaded => ("\r\nPDF NOT downloaded", "_pdf_no"),
+				PdfState.NoPdf => ("", ""),
+				_ => throw new Exception("Unexpected PDF state")
+			};
+
+			var mouseoverText = libState + pdfState;
+
+			if (liberatedStatus == LiberatedState.NotDownloaded ||
+				liberatedStatus == LiberatedState.PartialDownload ||
+				pdfStatus == PdfState.NotDownloaded)
+				mouseoverText += "\r\nClick to complete";
+
+			var buttonImage = (Bitmap)Properties.Resources.ResourceManager.GetObject($"liberate_{image_lib}{image_pdf}");
+
+			return (mouseoverText, buttonImage);
 		}
 
-		public string Category => string.Join(" > ", book.CategoriesNames);
+		/// <summary>
-
+		/// This information should not change during <see cref="GridEntry"/> lifetime, so call only once.
-		// star ratings retain numeric value but display star text. this is needed because just using star text doesn't sort correctly:
+		/// </summary>
-		// - star
+		private static string GetDescriptionDisplay(Book book)
-		// - star star
-		// - star 1/2
-
-		public string Product_Rating
 		{
-			get
+			var doc = new HtmlAgilityPack.HtmlDocument();
-			{
+			doc.LoadHtml(book.Description);
-				displayValues[nameof(Product_Rating)] = starString(book.Rating);
+			var noHtml = doc.DocumentNode.InnerText;
-				return firstScore(book.Rating);
+			return
-			}
+				noHtml.Length < 63 ?
+				noHtml :
+				noHtml.Substring(0, 60) + "...";
 		}
 
-		public string Purchase_Date
+		/// <summary>
+		/// This information should not change during <see cref="GridEntry"/> lifetime, so call only once.
+		/// Maximum of 5 text rows will fit in 80-pixel row height.
+		/// </summary>
+		private static string GetMiscDisplay(LibraryBook libraryBook)
 		{
-			get
+			var details = new List<string>();
-			{
+
-				displayValues[nameof(Purchase_Date)] = libraryBook.DateAdded.ToString("d");
+			var locale = ValueOrDefault(libraryBook.Book.Locale, "[unknown]");
-				return libraryBook.DateAdded.ToString("yyyy-MM-dd HH:mm:ss");
+			var acct = ValueOrDefault(libraryBook.Account, "[unknown]");
-			}
+
+			details.Add($"Account: {locale} - {acct}");
+
+			if (libraryBook.Book.HasPdf)
+				details.Add("Has PDF");
+			if (libraryBook.Book.IsAbridged)
+				details.Add("Abridged");
+			if (libraryBook.Book.DatePublished.HasValue)
+				details.Add($"Date pub'd: {libraryBook.Book.DatePublished.Value:MM/dd/yyyy}");
+			// this goes last since it's most likely to have a line-break
+			if (!string.IsNullOrWhiteSpace(libraryBook.Book.Publisher))
+				details.Add($"Pub: {libraryBook.Book.Publisher.Trim()}");
+
+			if (!details.Any())
+				return "[details not imported]";
+
+			return string.Join("\r\n", details);
 		}
 
-        public string My_Rating
+		//Maybe add to Dinah StringExtensions?
-        {
+		private static string ValueOrDefault(string value, string defaultValue)
-            get
+			=> string.IsNullOrWhiteSpace(value) ? defaultValue : value;
-            {
-                displayValues[nameof(My_Rating)] = starString(book.UserDefinedItem.Rating);
-                return firstScore(book.UserDefinedItem.Rating);
-            }
-        }
 
-        private string starString(Rating rating)
+		#endregion
-            => (rating?.FirstScore != null && rating?.FirstScore > 0f)
+	}
-            ? rating?.ToStarString()
-            : "";
-        private string firstScore(Rating rating) => rating?.FirstScore.ToString("0.0");
-
-        // max 5 text rows
-        public string Misc
-        {
-            get
-            {
-                var details = new List<string>();
-
-				var locale
-					= string.IsNullOrWhiteSpace(book.Locale)
-					? "[unknown]"
-					: book.Locale;
-				var acct
-					= string.IsNullOrWhiteSpace(libraryBook.Account)
-					? "[unknown]"
-					: libraryBook.Account;
-				details.Add($"Account: {locale} - {acct}");
-
-                if (book.HasPdf)
-                    details.Add("Has PDF");
-                if (book.IsAbridged)
-                    details.Add("Abridged");
-                if (book.DatePublished.HasValue)
-                    details.Add($"Date pub'd: {book.DatePublished.Value:MM/dd/yyyy}");
-                // this goes last since it's most likely to have a line-break
-                if (!string.IsNullOrWhiteSpace(book.Publisher))
-                    details.Add($"Pub: {book.Publisher.Trim()}");
-
-				if (!details.Any())
-                    return "[details not imported]";
-
-                return string.Join("\r\n", details);
-            }
-        }
-    }
 }

LibationWinForms/IMemberComparable.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections;
+
+namespace LibationWinForms
+{
+	internal interface IMemberComparable
+	{
+		IComparer GetMemberComparer(Type memberType);
+		object GetMemberValue(string memberName);
+	}
+}

LibationWinForms/LibationWinForms.csproj

@@ -1,4 +1,5 @@
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Library</OutputType>
@@ -12,8 +13,8 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\Dinah.Core\Dinah.Core.WindowsDesktop\Dinah.Core.WindowsDesktop.csproj" />
     <ProjectReference Include="..\FileLiberator\FileLiberator.csproj" />
-    <ProjectReference Include="..\WindowsDesktopUtilities\WindowsDesktopUtilities.csproj" />
   </ItemGroup>
 
   <ItemGroup>

LibationWinForms/LiberateDataGridViewImageButtonColumn.cs

@@ -0,0 +1,31 @@
+using ApplicationServices;
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using System.Linq;
+
+namespace LibationWinForms
+{
+	public class LiberateDataGridViewImageButtonColumn : DataGridViewImageButtonColumn
+	{
+		protected override DataGridViewImageButtonCell NewCell()
+			=> new LiberateDataGridViewImageButtonCell();
+	}
+
+	internal class LiberateDataGridViewImageButtonCell : DataGridViewImageButtonCell
+	{
+		protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates elementState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
+		{
+			base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, null, null, null, cellStyle, advancedBorderStyle, paintParts);
+
+			if (value is (LiberatedState liberatedState, PdfState pdfState))
+			{
+				(string mouseoverText, Bitmap buttonImage) = GridEntry.GetLiberateDisplay(liberatedState, pdfState);
+
+				DrawButtonImage(graphics, buttonImage, cellBounds);
+
+				ToolTipText = mouseoverText;
+			}
+		}
+	}
+}

LibationWinForms/MemberComparer.cs

@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using System.ComponentModel;
+
+namespace LibationWinForms
+{
+	internal class MemberComparer<T> : IComparer<T> where T : IMemberComparable
+	{
+		public ListSortDirection Direction { get; set; } = ListSortDirection.Ascending;
+		public string PropertyName { get; set; }
+
+		public int Compare(T x, T y)
+		{
+			var val1 = x.GetMemberValue(PropertyName);
+			var val2 = y.GetMemberValue(PropertyName);
+
+			return DirMult * x.GetMemberComparer(val1.GetType()).Compare(val1, val2);
+		}
+
+		private int DirMult => Direction == ListSortDirection.Descending ? -1 : 1;
+	}
+}

LibationWinForms/MessageBoxAlertAdmin.cs

@@ -1,9 +1,6 @@
-using System;
+using LibationWinForms.Dialogs;
-using System.Collections.Generic;
+using System;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using LibationWinForms.Dialogs;
 
 namespace LibationWinForms
 {

LibationWinForms/MessageBoxWarnIfVerboseLogging.cs

@@ -1,7 +1,8 @@
 using System;
-using System.Windows.Forms;
+using System.Linq;
 using Dinah.Core.Logging;
 using Serilog;
+using System.Windows.Forms;
 
 namespace LibationWinForms
 {
@@ -16,7 +17,7 @@ Warning: verbose logging is enabled.
 
 This should be used for debugging only. It creates many
 more logs and debug files, neither of which are as
-strictly anonomous.
+strictly anonymous.
 
 When you are finished debugging, it's highly recommended
 to set your debug MinimumLevel to Information and restart

LibationWinForms/ObjectComparer[T].cs

@@ -0,0 +1,10 @@
+using System;
+using System.Collections;
+
+namespace LibationWinForms
+{
+	internal class ObjectComparer<T> : IComparer where T : IComparable
+	{
+		public int Compare(object x, object y) => ((T)x).CompareTo(y);
+	}
+}

LibationWinForms/ProductsGrid.Designer.cs

@@ -28,146 +28,195 @@
 		/// </summary>
 		private void InitializeComponent()
 		{
-			this.components = new System.ComponentModel.Container();
+            this.components = new System.ComponentModel.Container();
-			this.gridEntryBindingSource = new System.Windows.Forms.BindingSource(this.components);
+            System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle1 = new System.Windows.Forms.DataGridViewCellStyle();
-			this.gridEntryDataGridView = new System.Windows.Forms.DataGridView();
+            this.gridEntryBindingSource = new System.Windows.Forms.BindingSource(this.components);
-			this.dataGridViewImageColumn1 = new System.Windows.Forms.DataGridViewImageColumn();
+            this.gridEntryDataGridView = new System.Windows.Forms.DataGridView();
-			this.dataGridViewTextBoxColumn1 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewImageButtonBoxColumn1 = new LibationWinForms.LiberateDataGridViewImageButtonColumn();
-			this.dataGridViewTextBoxColumn2 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewImageColumn1 = new System.Windows.Forms.DataGridViewImageColumn();
-			this.dataGridViewTextBoxColumn3 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn1 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.dataGridViewTextBoxColumn4 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn2 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.dataGridViewTextBoxColumn5 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn3 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.dataGridViewTextBoxColumn6 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn4 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.dataGridViewTextBoxColumn7 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn5 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.dataGridViewTextBoxColumn8 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn6 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.dataGridViewTextBoxColumn9 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn7 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.dataGridViewTextBoxColumn10 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn8 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.dataGridViewTextBoxColumn11 = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.dataGridViewTextBoxColumn9 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			((System.ComponentModel.ISupportInitialize)(this.gridEntryBindingSource)).BeginInit();
+            this.dataGridViewTextBoxColumn10 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			((System.ComponentModel.ISupportInitialize)(this.gridEntryDataGridView)).BeginInit();
+            this.dataGridViewTextBoxColumn11 = new System.Windows.Forms.DataGridViewTextBoxColumn();
-			this.SuspendLayout();
+            this.dataGridViewImageButtonBoxColumn2 = new LibationWinForms.EditTagsDataGridViewImageButtonColumn();
-			// 
+            ((System.ComponentModel.ISupportInitialize)(this.gridEntryBindingSource)).BeginInit();
-			// gridEntryBindingSource
+            ((System.ComponentModel.ISupportInitialize)(this.gridEntryDataGridView)).BeginInit();
-			// 
+            this.SuspendLayout();
-			this.gridEntryBindingSource.DataSource = typeof(LibationWinForms.GridEntry);
+            // 
-			// 
+            // gridEntryBindingSource
-			// gridEntryDataGridView
+            // 
-			// 
+            this.gridEntryBindingSource.DataSource = typeof(LibationWinForms.GridEntry);
-			this.gridEntryDataGridView.AutoGenerateColumns = false;
+            // 
-			this.gridEntryDataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            // gridEntryDataGridView
-			this.gridEntryDataGridView.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
+            // 
-			this.dataGridViewImageColumn1,
+            this.gridEntryDataGridView.AllowUserToAddRows = false;
-			this.dataGridViewTextBoxColumn1,
+            this.gridEntryDataGridView.AllowUserToDeleteRows = false;
-			this.dataGridViewTextBoxColumn2,
+            this.gridEntryDataGridView.AllowUserToResizeRows = false;
-			this.dataGridViewTextBoxColumn3,
+            this.gridEntryDataGridView.AutoGenerateColumns = false;
-			this.dataGridViewTextBoxColumn4,
+            this.gridEntryDataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-			this.dataGridViewTextBoxColumn5,
+            this.gridEntryDataGridView.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
-			this.dataGridViewTextBoxColumn6,
+            this.dataGridViewImageButtonBoxColumn1,
-			this.dataGridViewTextBoxColumn7,
+            this.dataGridViewImageColumn1,
-			this.dataGridViewTextBoxColumn8,
+            this.dataGridViewTextBoxColumn1,
-			this.dataGridViewTextBoxColumn9,
+            this.dataGridViewTextBoxColumn2,
-			this.dataGridViewTextBoxColumn10,
+            this.dataGridViewTextBoxColumn3,
-			this.dataGridViewTextBoxColumn11});
+            this.dataGridViewTextBoxColumn4,
-			this.gridEntryDataGridView.DataSource = this.gridEntryBindingSource;
+            this.dataGridViewTextBoxColumn5,
-			this.gridEntryDataGridView.Location = new System.Drawing.Point(54, 58);
+            this.dataGridViewTextBoxColumn6,
-			this.gridEntryDataGridView.Name = "gridEntryDataGridView";
+            this.dataGridViewTextBoxColumn7,
-			this.gridEntryDataGridView.Size = new System.Drawing.Size(300, 220);
+            this.dataGridViewTextBoxColumn8,
-			this.gridEntryDataGridView.TabIndex = 0;
+            this.dataGridViewTextBoxColumn9,
-			// 
+            this.dataGridViewTextBoxColumn10,
-			// dataGridViewImageColumn1
+            this.dataGridViewTextBoxColumn11,
-			// 
+            this.dataGridViewImageButtonBoxColumn2});
-			this.dataGridViewImageColumn1.DataPropertyName = "Cover";
+            this.gridEntryDataGridView.DataSource = this.gridEntryBindingSource;
-			this.dataGridViewImageColumn1.HeaderText = "Cover";
+            dataGridViewCellStyle1.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft;
-			this.dataGridViewImageColumn1.Name = "dataGridViewImageColumn1";
+            dataGridViewCellStyle1.BackColor = System.Drawing.SystemColors.Window;
-			this.dataGridViewImageColumn1.ReadOnly = true;
+            dataGridViewCellStyle1.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
-			// 
+            dataGridViewCellStyle1.ForeColor = System.Drawing.SystemColors.ControlText;
-			// dataGridViewTextBoxColumn1
+            dataGridViewCellStyle1.SelectionBackColor = System.Drawing.SystemColors.Highlight;
-			// 
+            dataGridViewCellStyle1.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
-			this.dataGridViewTextBoxColumn1.DataPropertyName = "Title";
+            dataGridViewCellStyle1.WrapMode = System.Windows.Forms.DataGridViewTriState.True;
-			this.dataGridViewTextBoxColumn1.HeaderText = "Title";
+            this.gridEntryDataGridView.DefaultCellStyle = dataGridViewCellStyle1;
-			this.dataGridViewTextBoxColumn1.Name = "dataGridViewTextBoxColumn1";
+            this.gridEntryDataGridView.Dock = System.Windows.Forms.DockStyle.Fill;
-			this.dataGridViewTextBoxColumn1.ReadOnly = true;
+            this.gridEntryDataGridView.Location = new System.Drawing.Point(0, 0);
-			// 
+            this.gridEntryDataGridView.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
-			// dataGridViewTextBoxColumn2
+            this.gridEntryDataGridView.Name = "gridEntryDataGridView";
-			// 
+            this.gridEntryDataGridView.ReadOnly = true;
-			this.dataGridViewTextBoxColumn2.DataPropertyName = "Authors";
+            this.gridEntryDataGridView.RowHeadersVisible = false;
-			this.dataGridViewTextBoxColumn2.HeaderText = "Authors";
+            this.gridEntryDataGridView.RowTemplate.Height = 82;
-			this.dataGridViewTextBoxColumn2.Name = "dataGridViewTextBoxColumn2";
+            this.gridEntryDataGridView.Size = new System.Drawing.Size(1505, 380);
-			this.dataGridViewTextBoxColumn2.ReadOnly = true;
+            this.gridEntryDataGridView.TabIndex = 0;
-			// 
+            // 
-			// dataGridViewTextBoxColumn3
+            // dataGridViewImageButtonBoxColumn1
-			// 
+            // 
-			this.dataGridViewTextBoxColumn3.DataPropertyName = "Narrators";
+            this.dataGridViewImageButtonBoxColumn1.DataPropertyName = "Liberate";
-			this.dataGridViewTextBoxColumn3.HeaderText = "Narrators";
+            this.dataGridViewImageButtonBoxColumn1.HeaderText = "Liberate";
-			this.dataGridViewTextBoxColumn3.Name = "dataGridViewTextBoxColumn3";
+            this.dataGridViewImageButtonBoxColumn1.Name = "dataGridViewImageButtonBoxColumn1";
-			this.dataGridViewTextBoxColumn3.ReadOnly = true;
+            this.dataGridViewImageButtonBoxColumn1.ReadOnly = true;
-			// 
+            this.dataGridViewImageButtonBoxColumn1.Resizable = System.Windows.Forms.DataGridViewTriState.False;
-			// dataGridViewTextBoxColumn4
+            this.dataGridViewImageButtonBoxColumn1.SortMode = System.Windows.Forms.DataGridViewColumnSortMode.Automatic;
-			// 
+            this.dataGridViewImageButtonBoxColumn1.Width = 70;
-			this.dataGridViewTextBoxColumn4.DataPropertyName = "Length";
+            // 
-			this.dataGridViewTextBoxColumn4.HeaderText = "Length";
+            // dataGridViewImageColumn1
-			this.dataGridViewTextBoxColumn4.Name = "dataGridViewTextBoxColumn4";
+            // 
-			this.dataGridViewTextBoxColumn4.ReadOnly = true;
+            this.dataGridViewImageColumn1.DataPropertyName = "Cover";
-			// 
+            this.dataGridViewImageColumn1.HeaderText = "Cover";
-			// dataGridViewTextBoxColumn5
+            this.dataGridViewImageColumn1.Name = "dataGridViewImageColumn1";
-			// 
+            this.dataGridViewImageColumn1.ReadOnly = true;
-			this.dataGridViewTextBoxColumn5.DataPropertyName = "Series";
+            this.dataGridViewImageColumn1.Resizable = System.Windows.Forms.DataGridViewTriState.False;
-			this.dataGridViewTextBoxColumn5.HeaderText = "Series";
+            this.dataGridViewImageColumn1.ToolTipText = "Cover Art";
-			this.dataGridViewTextBoxColumn5.Name = "dataGridViewTextBoxColumn5";
+            this.dataGridViewImageColumn1.Width = 80;
-			this.dataGridViewTextBoxColumn5.ReadOnly = true;
+            // 
-			// 
+            // dataGridViewTextBoxColumn1
-			// dataGridViewTextBoxColumn6
+            // 
-			// 
+            this.dataGridViewTextBoxColumn1.DataPropertyName = "Title";
-			this.dataGridViewTextBoxColumn6.DataPropertyName = "Description";
+            this.dataGridViewTextBoxColumn1.HeaderText = "Title";
-			this.dataGridViewTextBoxColumn6.HeaderText = "Description";
+            this.dataGridViewTextBoxColumn1.Name = "dataGridViewTextBoxColumn1";
-			this.dataGridViewTextBoxColumn6.Name = "dataGridViewTextBoxColumn6";
+            this.dataGridViewTextBoxColumn1.ReadOnly = true;
-			this.dataGridViewTextBoxColumn6.ReadOnly = true;
+            this.dataGridViewTextBoxColumn1.Width = 200;
-			// 
+            // 
-			// dataGridViewTextBoxColumn7
+            // dataGridViewTextBoxColumn2
-			// 
+            // 
-			this.dataGridViewTextBoxColumn7.DataPropertyName = "Category";
+            this.dataGridViewTextBoxColumn2.DataPropertyName = "Authors";
-			this.dataGridViewTextBoxColumn7.HeaderText = "Category";
+            this.dataGridViewTextBoxColumn2.HeaderText = "Authors";
-			this.dataGridViewTextBoxColumn7.Name = "dataGridViewTextBoxColumn7";
+            this.dataGridViewTextBoxColumn2.Name = "dataGridViewTextBoxColumn2";
-			this.dataGridViewTextBoxColumn7.ReadOnly = true;
+            this.dataGridViewTextBoxColumn2.ReadOnly = true;
-			// 
+            // 
-			// dataGridViewTextBoxColumn8
+            // dataGridViewTextBoxColumn3
-			// 
+            // 
-			this.dataGridViewTextBoxColumn8.DataPropertyName = "Product_Rating";
+            this.dataGridViewTextBoxColumn3.DataPropertyName = "Narrators";
-			this.dataGridViewTextBoxColumn8.HeaderText = "Product_Rating";
+            this.dataGridViewTextBoxColumn3.HeaderText = "Narrators";
-			this.dataGridViewTextBoxColumn8.Name = "dataGridViewTextBoxColumn8";
+            this.dataGridViewTextBoxColumn3.Name = "dataGridViewTextBoxColumn3";
-			this.dataGridViewTextBoxColumn8.ReadOnly = true;
+            this.dataGridViewTextBoxColumn3.ReadOnly = true;
-			// 
+            // 
-			// dataGridViewTextBoxColumn9
+            // dataGridViewTextBoxColumn4
-			// 
+            // 
-			this.dataGridViewTextBoxColumn9.DataPropertyName = "Purchase_Date";
+            this.dataGridViewTextBoxColumn4.DataPropertyName = "Length";
-			this.dataGridViewTextBoxColumn9.HeaderText = "Purchase_Date";
+            this.dataGridViewTextBoxColumn4.HeaderText = "Length";
-			this.dataGridViewTextBoxColumn9.Name = "dataGridViewTextBoxColumn9";
+            this.dataGridViewTextBoxColumn4.Name = "dataGridViewTextBoxColumn4";
-			this.dataGridViewTextBoxColumn9.ReadOnly = true;
+            this.dataGridViewTextBoxColumn4.ReadOnly = true;
-			// 
+            this.dataGridViewTextBoxColumn4.ToolTipText = "Recording Length";
-			// dataGridViewTextBoxColumn10
+            // 
-			// 
+            // dataGridViewTextBoxColumn5
-			this.dataGridViewTextBoxColumn10.DataPropertyName = "My_Rating";
+            // 
-			this.dataGridViewTextBoxColumn10.HeaderText = "My_Rating";
+            this.dataGridViewTextBoxColumn5.DataPropertyName = "Series";
-			this.dataGridViewTextBoxColumn10.Name = "dataGridViewTextBoxColumn10";
+            this.dataGridViewTextBoxColumn5.HeaderText = "Series";
-			this.dataGridViewTextBoxColumn10.ReadOnly = true;
+            this.dataGridViewTextBoxColumn5.Name = "dataGridViewTextBoxColumn5";
-			// 
+            this.dataGridViewTextBoxColumn5.ReadOnly = true;
-			// dataGridViewTextBoxColumn11
+            // 
-			// 
+            // dataGridViewTextBoxColumn6
-			this.dataGridViewTextBoxColumn11.DataPropertyName = "Misc";
+            // 
-			this.dataGridViewTextBoxColumn11.HeaderText = "Misc";
+            this.dataGridViewTextBoxColumn6.DataPropertyName = "Description";
-			this.dataGridViewTextBoxColumn11.Name = "dataGridViewTextBoxColumn11";
+            this.dataGridViewTextBoxColumn6.HeaderText = "Description";
-			this.dataGridViewTextBoxColumn11.ReadOnly = true;
+            this.dataGridViewTextBoxColumn6.Name = "dataGridViewTextBoxColumn6";
-			// 
+            this.dataGridViewTextBoxColumn6.ReadOnly = true;
-			// ProductsGrid
+            // 
-			// 
+            // dataGridViewTextBoxColumn7
-			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            // 
-			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.dataGridViewTextBoxColumn7.DataPropertyName = "Category";
-			this.Controls.Add(this.gridEntryDataGridView);
+            this.dataGridViewTextBoxColumn7.HeaderText = "Category";
-			this.Name = "ProductsGrid";
+            this.dataGridViewTextBoxColumn7.Name = "dataGridViewTextBoxColumn7";
-			this.Size = new System.Drawing.Size(434, 329);
+            this.dataGridViewTextBoxColumn7.ReadOnly = true;
-			((System.ComponentModel.ISupportInitialize)(this.gridEntryBindingSource)).EndInit();
+            // 
-			((System.ComponentModel.ISupportInitialize)(this.gridEntryDataGridView)).EndInit();
+            // ProductRating
-			this.ResumeLayout(false);
+            // 
+            this.dataGridViewTextBoxColumn8.DataPropertyName = "ProductRating";
+            this.dataGridViewTextBoxColumn8.HeaderText = "Product Rating";
+            this.dataGridViewTextBoxColumn8.Name = "ProductRating";
+            this.dataGridViewTextBoxColumn8.ReadOnly = true;
+            this.dataGridViewTextBoxColumn8.Width = 108;
+            // 
+            // PurchaseDate
+            // 
+            this.dataGridViewTextBoxColumn9.DataPropertyName = "PurchaseDate";
+            this.dataGridViewTextBoxColumn9.HeaderText = "Purchase Date";
+            this.dataGridViewTextBoxColumn9.Name = "PurchaseDate";
+            this.dataGridViewTextBoxColumn9.ReadOnly = true;
+            // 
+            // MyRating
+            // 
+            this.dataGridViewTextBoxColumn10.DataPropertyName = "MyRating";
+            this.dataGridViewTextBoxColumn10.HeaderText = "My Rating";
+            this.dataGridViewTextBoxColumn10.Name = "MyRating";
+            this.dataGridViewTextBoxColumn10.ReadOnly = true;
+            this.dataGridViewTextBoxColumn10.Width = 108;
+            // 
+            // dataGridViewTextBoxColumn11
+            // 
+            this.dataGridViewTextBoxColumn11.DataPropertyName = "Misc";
+            this.dataGridViewTextBoxColumn11.HeaderText = "Misc";
+            this.dataGridViewTextBoxColumn11.Name = "dataGridViewTextBoxColumn11";
+            this.dataGridViewTextBoxColumn11.ReadOnly = true;
+            this.dataGridViewTextBoxColumn11.Width = 135;
+            // 
+            // dataGridViewImageButtonBoxColumn2
+            // 
+            this.dataGridViewImageButtonBoxColumn2.DataPropertyName = "DisplayTags";
+            this.dataGridViewImageButtonBoxColumn2.HeaderText = "Edit Tags";
+            this.dataGridViewImageButtonBoxColumn2.Name = "dataGridViewImageButtonBoxColumn2";
+            this.dataGridViewImageButtonBoxColumn2.ReadOnly = true;
+            this.dataGridViewImageButtonBoxColumn2.Resizable = System.Windows.Forms.DataGridViewTriState.False;
+            this.dataGridViewImageButtonBoxColumn2.SortMode = System.Windows.Forms.DataGridViewColumnSortMode.Automatic;
+            // 
+            // ProductsGrid
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.gridEntryDataGridView);
+            this.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
+            this.Name = "ProductsGrid";
+            this.Size = new System.Drawing.Size(1505, 380);
+            ((System.ComponentModel.ISupportInitialize)(this.gridEntryBindingSource)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.gridEntryDataGridView)).EndInit();
+            this.ResumeLayout(false);
 
 		}
 
@@ -175,17 +224,19 @@
 
 		private System.Windows.Forms.BindingSource gridEntryBindingSource;
 		private System.Windows.Forms.DataGridView gridEntryDataGridView;
-		private System.Windows.Forms.DataGridViewImageColumn dataGridViewImageColumn1;
+        private LiberateDataGridViewImageButtonColumn dataGridViewImageButtonBoxColumn1;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn1;
+        private System.Windows.Forms.DataGridViewImageColumn dataGridViewImageColumn1;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn2;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn1;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn3;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn2;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn4;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn3;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn5;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn4;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn6;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn5;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn7;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn6;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn8;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn7;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn9;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn8;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn10;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn9;
-		private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn11;
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn10;
-	}
+        private System.Windows.Forms.DataGridViewTextBoxColumn dataGridViewTextBoxColumn11;
+        private EditTagsDataGridViewImageButtonColumn dataGridViewImageButtonBoxColumn2;
+    }
 }

LibationWinForms/ProductsGrid.cs

@@ -1,418 +1,200 @@
-using System;
+using ApplicationServices;
-using System.Drawing;
-using System.Linq;
-using System.Windows.Forms;
-using ApplicationServices;
 using DataLayer;
 using Dinah.Core;
-using Dinah.Core.Collections.Generic;
-using Dinah.Core.DataBinding;
 using Dinah.Core.Windows.Forms;
 using LibationWinForms.Dialogs;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows.Forms;
 
 namespace LibationWinForms
 {
-    // INSTRUCTIONS TO UPDATE DATA_GRID_VIEW
+	// INSTRUCTIONS TO UPDATE DATA_GRID_VIEW
-    // - delete current DataGridView
+	// - delete current DataGridView
-    // - view > other windows > data sources
+	// - view > other windows > data sources
-    // - refresh
+	// - refresh
-    // OR
+	// OR
-    // - Add New Data Source
+	// - Add New Data Source
-    //   Object. Next
+	//   Object. Next
-    //   LibationWinForms
+	//   LibationWinForms
-    //     AudibleDTO
+	//     AudibleDTO
-    //       GridEntry
+	//       GridEntry
-    // - go to Design view
+	// - go to Design view
-    // - click on Data Sources > ProductItem. drowdown: DataGridView
+	// - click on Data Sources > ProductItem. dropdown: DataGridView
-    // - drag/drop ProductItem on design surface
+	// - drag/drop ProductItem on design surface
-    public partial class ProductsGrid : UserControl
+	// AS OF AUGUST 2021 THIS DOES NOT WORK IN VS2019 WITH .NET-5 PROJECTS 
-    {
-        public event EventHandler<int> VisibleCountChanged;
-        public event EventHandler BackupCountsChanged;
 
-        private const string EDIT_TAGS = "Edit Tags";
+	public partial class ProductsGrid : UserControl
-        private const string LIBERATE = "Liberate";
+	{
+		public event EventHandler<int> VisibleCountChanged;
+		public event EventHandler BackupCountsChanged;
 
-        // alias
+		// alias
-        private DataGridView dataGridView => gridEntryDataGridView;
+		private DataGridView _dataGridView => gridEntryDataGridView;
 
 		public ProductsGrid()
 		{
 			InitializeComponent();
-			formatDataGridView();
-			addLiberateButtons();
-			addEditTagsButtons();
-			formatColumns();
 
-			manageLiveImageUpdateSubscriptions();
+			// sorting breaks filters. must reapply filters after sorting
+			_dataGridView.Sorted += (_, __) => Filter();
+			_dataGridView.CellContentClick += DataGridView_CellContentClick;
 
-			enableDoubleBuffering();
+			EnableDoubleBuffering();
 		}
-
+		private void EnableDoubleBuffering()
-		private void enableDoubleBuffering()
 		{
-			var propertyInfo = dataGridView.GetType().GetProperty("DoubleBuffered", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
+			var propertyInfo = _dataGridView.GetType().GetProperty("DoubleBuffered", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
 
-			//var before = (bool)propertyInfo.GetValue(dataGridView);
+			propertyInfo.SetValue(_dataGridView, true, null);
-            propertyInfo.SetValue(dataGridView, true, null);
-			//var after = (bool)propertyInfo.GetValue(dataGridView);
 		}
 
-		private void formatDataGridView()
+		#region Button controls
-        {
-            dataGridView.Dock = DockStyle.Fill;
-            dataGridView.AllowUserToAddRows = false;
-            dataGridView.AllowUserToDeleteRows = false;
-            dataGridView.AutoGenerateColumns = false;
-            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            dataGridView.DefaultCellStyle.WrapMode = DataGridViewTriState.True;
-            dataGridView.ReadOnly = true;
-            dataGridView.RowHeadersVisible = false;
 
-            // adjust height for 80x80 pictures.
+		private async void DataGridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
-            // this must be done before databinding. or can alter later by iterating through rows
-            dataGridView.RowTemplate.Height = 82;
-            dataGridView.CellFormatting += replaceFormatted;
-            dataGridView.CellFormatting += hiddenFormatting;
-
-            // sorting breaks filters. must reapply filters after sorting
-            dataGridView.Sorted += (_, __) => filter();
-        }
-
-        #region format text cells. ie: not buttons
-        private void replaceFormatted(object sender, DataGridViewCellFormattingEventArgs e)
-        {
-            var col = ((DataGridView)sender).Columns[e.ColumnIndex];
-            if (col is DataGridViewTextBoxColumn textCol && getGridEntry(e.RowIndex).TryDisplayValue(textCol.Name, out string value))
-            {
-                // DO NOT DO THIS: getCell(e).Value = value;
-                // it's the wrong way and will infinitely call CellFormatting on each assign
-
-                // this is the correct way. will actually set FormattedValue (and EditedFormattedValue) while leaving Value as-is for sorting
-                e.Value = value;
-
-                getCell(e).ToolTipText = value;
-            }
-        }
-
-        private void hiddenFormatting(object sender, DataGridViewCellFormattingEventArgs e)
-        {
-            var dgv = (DataGridView)sender;
-            // no action needed for buttons
-            if (e.RowIndex < 0 || dgv.Columns[e.ColumnIndex] is DataGridViewButtonColumn)
-                return;
-
-            var isHidden = getGridEntry(e.RowIndex).TagsEnumerated.Contains("hidden");
-
-            getCell(e).Style
-                = isHidden
-                ? new DataGridViewCellStyle { ForeColor = Color.LightGray }
-                : dgv.DefaultCellStyle;
-        }
-        #endregion
-
-        #region liberation buttons
-        private void addLiberateButtons()
-        {
-            dataGridView.Columns.Insert(0, new DataGridViewButtonColumn { HeaderText = LIBERATE });
-
-            dataGridView.CellPainting += liberate_Paint;
-            dataGridView.CellContentClick += liberate_Click;
-        }
-
-        private void liberate_Paint(object sender, DataGridViewCellPaintingEventArgs e)
-        {
-            if (!isColumnValid(e, LIBERATE))
-                return;
-
-            var cell = getCell(e);
-            var gridEntry = getGridEntry(e.RowIndex);
-            var liberatedStatus = gridEntry.Liberated_Status;
-            var pdfStatus = gridEntry.Pdf_Status;
-
-            // mouseover text
-            {
-                var libState = liberatedStatus switch
-                {
-                    LiberatedState.Liberated => "Liberated",
-                    LiberatedState.PartialDownload => "File has been at least\r\npartially downloaded",
-                    LiberatedState.NotDownloaded => "Book NOT downloaded",
-                    _ => throw new Exception("Unexpected liberation state")
-                };
-
-                var pdfState = pdfStatus switch
-                {
-                    PdfState.Downloaded => "\r\nPDF downloaded",
-                    PdfState.NotDownloaded => "\r\nPDF NOT downloaded",
-                    PdfState.NoPdf => "",
-                    _ => throw new Exception("Unexpected PDF state")
-                };
-
-                var text = libState + pdfState;
-
-                if (liberatedStatus == LiberatedState.NotDownloaded ||
-                    liberatedStatus == LiberatedState.PartialDownload ||
-                    pdfStatus == PdfState.NotDownloaded)
-                    text += "\r\nClick to complete";
-
-                //DEBUG//cell.Value = text;
-                cell.ToolTipText = text;
-            }
-
-            // draw img
-            {
-                var image_lib
-                    = liberatedStatus == LiberatedState.NotDownloaded ? "red"
-                    : liberatedStatus == LiberatedState.PartialDownload ? "yellow"
-                    : liberatedStatus == LiberatedState.Liberated ? "green"
-                    : throw new Exception("Unexpected liberation state");
-                var image_pdf
-                    = pdfStatus == PdfState.NoPdf ? ""
-                    : pdfStatus == PdfState.NotDownloaded ? "_pdf_no"
-                    : pdfStatus == PdfState.Downloaded ? "_pdf_yes"
-                    : throw new Exception("Unexpected PDF state");
-                var image = (Bitmap)Properties.Resources.ResourceManager.GetObject($"liberate_{image_lib}{image_pdf}");
-                drawImage(e, image);
-            }
-        }
-
-        private async void liberate_Click(object sender, DataGridViewCellEventArgs e)
-        {
-            if (!isColumnValid(e, LIBERATE))
-                return;
-
-            var libraryBook = getGridEntry(e.RowIndex).GetLibraryBook();
-
-            // liberated: open explorer to file
-            if (TransitionalFileLocator.Audio_Exists(libraryBook.Book))
-            {
-                var filePath = TransitionalFileLocator.Audio_GetPath(libraryBook.Book);
-                if (!Go.To.File(filePath))
-                    MessageBox.Show($"File not found:\r\n{filePath}");
-                return;
-            }
-
-            // else: liberate
-            await BookLiberation.ProcessorAutomationController.BackupSingleBookAsync(libraryBook, (_, __) => RefreshRow(libraryBook.Book.AudibleProductId));
-        }
-        #endregion
-
-        public void RefreshRow(string productId)
-        {
-            var rowId = getRowId((ge) => ge.AudibleProductId == productId);
-
-            // update cells incl Liberate button text
-            dataGridView.InvalidateRow(rowId);
-
-            // needed in case filtering by -IsLiberated and it gets changed to Liberated. want to immediately show the change
-            filter();
-
-            BackupCountsChanged?.Invoke(this, EventArgs.Empty);
-        }
-
-        #region tag buttons
-        private void addEditTagsButtons()
-        {
-            dataGridView.Columns.Add(new DataGridViewButtonColumn { HeaderText = EDIT_TAGS });
-
-            dataGridView.CellPainting += editTags_Paint;
-            dataGridView.CellContentClick += editTags_Click;
-        }
-
-        private void editTags_Paint(object sender, DataGridViewCellPaintingEventArgs e)
-        {
-            // DataGridView Image for Button Column: https://stackoverflow.com/a/36253883
-
-            if (!isColumnValid(e, EDIT_TAGS))
-                return;
-
-            var cell = getCell(e);
-            var gridEntry = getGridEntry(e.RowIndex);
-
-            var displayTags = gridEntry.TagsEnumerated.ToList();
-
-            if (displayTags.Any())
-                cell.Value = string.Join("\r\n", displayTags);
-            else
-            {
-                // if removing all tags: clear previous tag text
-                cell.Value = "";
-                drawImage(e, Properties.Resources.edit_tags_25x25);
-            }
-        }
-
-        private void editTags_Click(object sender, DataGridViewCellEventArgs e)
-        {
-            // handle grid button click: https://stackoverflow.com/a/13687844
-
-            var dgv = (DataGridView)sender;
-
-            if (!isColumnValid(e, EDIT_TAGS))
-                return;
-
-            var liveGridEntry = getGridEntry(e.RowIndex);
-
-            // EditTagsDialog should display better-formatted title
-            liveGridEntry.TryDisplayValue(nameof(liveGridEntry.Title), out string value);
-
-            var bookDetailsForm = new BookDetailsDialog(value, liveGridEntry.Tags);
-            if (bookDetailsForm.ShowDialog() != DialogResult.OK)
-                return;
-
-			var qtyChanges = LibraryCommands.UpdateTags(liveGridEntry.GetBook(), bookDetailsForm.NewTags);
-			if (qtyChanges == 0)
-                return;
-
-            // force a re-draw, and re-apply filters
-
-            // needed to update text colors
-            dgv.InvalidateRow(e.RowIndex);
-
-            filter();
-        }
-        #endregion
-
-        private static void drawImage(DataGridViewCellPaintingEventArgs e, Bitmap image)
-        {
-            e.Paint(e.CellBounds, DataGridViewPaintParts.All);
-
-            var w = image.Width;
-            var h = image.Height;
-            var x = e.CellBounds.Left + (e.CellBounds.Width - w) / 2;
-            var y = e.CellBounds.Top + (e.CellBounds.Height - h) / 2;
-
-            e.Graphics.DrawImage(image, new Rectangle(x, y, w, h));
-            e.Handled = true;
-        }
-
-        private bool isColumnValid(DataGridViewCellEventArgs e, string colName) => isColumnValid(e.RowIndex, e.ColumnIndex, colName);
-        private bool isColumnValid(DataGridViewCellPaintingEventArgs e, string colName) => isColumnValid(e.RowIndex, e.ColumnIndex, colName);
-        private bool isColumnValid(int rowIndex, int colIndex, string colName)
-        {
-            var col = dataGridView.Columns[colIndex];
-            return rowIndex >= 0 && col.Name == colName && col is DataGridViewButtonColumn;
-        }
-
-        private void formatColumns()
-        {
-            for (var i = dataGridView.ColumnCount - 1; i >= 0; i--)
-            {
-                var col = dataGridView.Columns[i];
-
-                // initial HeaderText is the lookup name from GridEntry class. any formatting below won't change this
-                col.Name = col.HeaderText;
-
-                if (!(col is DataGridViewImageColumn || col is DataGridViewButtonColumn))
-                    col.SortMode = DataGridViewColumnSortMode.Automatic;
-
-                col.HeaderText = col.HeaderText.Replace("_", " ");
-
-                col.Width = col.Name switch
-                {
-                    LIBERATE => 70,
-                    nameof(GridEntry.Cover) => 80,
-                    nameof(GridEntry.Title) => col.Width * 2,
-                    nameof(GridEntry.Misc) => (int)(col.Width * 1.35),
-                    var n when n.In(nameof(GridEntry.My_Rating), nameof(GridEntry.Product_Rating)) => col.Width + 8,
-                    _ => col.Width
-                };
-            }
-        }
-
-		#region live update newly downloaded and cached images
-		private void manageLiveImageUpdateSubscriptions()
 		{
-			FileManager.PictureStorage.PictureCached += crossThreadImageUpdate;
+			// handle grid button click: https://stackoverflow.com/a/13687844
-			Disposed += (_, __) => FileManager.PictureStorage.PictureCached -= crossThreadImageUpdate;
+			if (e.RowIndex < 0 || _dataGridView.Columns[e.ColumnIndex] is not DataGridViewButtonColumn)
-		}
-
-		private void crossThreadImageUpdate(object _, string pictureId)
-			=> dataGridView.UIThread(() => updateRowImage(pictureId));
-		private void updateRowImage(string pictureId)
-		{
-			var rowId = getRowId((ge) => ge.PictureId == pictureId);
-			if (rowId > -1)
-				dataGridView.InvalidateRow(rowId);
-		}
-		#endregion
-
-		private bool hasBeenDisplayed = false;
-        public void Display()
-        {
-            if (hasBeenDisplayed)
-                return;
-            hasBeenDisplayed = true;
-
-            //
-            // transform into sorted GridEntry.s BEFORE binding
-            //
-            using var context = DbContexts.GetContext();
-            var lib = context.GetLibrary_Flat_NoTracking();
-
-            // if no data. hide all columns. return
-            if (!lib.Any())
-            {
-                for (var i = dataGridView.ColumnCount - 1; i >= 0; i--)
-                    dataGridView.Columns.RemoveAt(i);
-                return;
-            }
-
-            var orderedGridEntries = lib
-                .Select(lb => new GridEntry(lb)).ToList()
-                // default load order
-                .OrderByDescending(ge => ge.Purchase_Date)
-                //// more advanced example: sort by author, then series, then title
-                //.OrderBy(ge => ge.Authors)
-                //    .ThenBy(ge => ge.Series)
-                //    .ThenBy(ge => ge.Title)
-                .ToList();
-
-            //
-            // BIND
-            //
-            gridEntryBindingSource.DataSource = orderedGridEntries.ToSortableBindingList();
-
-            //
-            // FILTER
-            //
-            filter();
-
-            BackupCountsChanged?.Invoke(this, EventArgs.Empty);
-        }
-
-        #region filter
-        string _filterSearchString;
-        private void filter() => Filter(_filterSearchString);
-        public void Filter(string searchString)
-        {
-            _filterSearchString = searchString;
-
-			if (dataGridView.Rows.Count == 0)
 				return;
 
-            var searchResults = SearchEngineCommands.Search(searchString);
+			var liveGridEntry = getGridEntry(e.RowIndex);
-            var productIds = searchResults.Docs.Select(d => d.ProductId).ToList();
 
-            // https://stackoverflow.com/a/18942430
+			switch (_dataGridView.Columns[e.ColumnIndex].DataPropertyName)
-            var currencyManager = (CurrencyManager)BindingContext[dataGridView.DataSource];
+			{
-            currencyManager.SuspendBinding();
+				case nameof(liveGridEntry.Liberate):
-            {
+					await Liberate_Click(liveGridEntry);
-                for (var r = dataGridView.RowCount - 1; r >= 0; r--)
+					break;
-                    dataGridView.Rows[r].Visible = productIds.Contains(getGridEntry(r).AudibleProductId);
+				case nameof(liveGridEntry.DisplayTags):
-            }
+					EditTags_Click(liveGridEntry);
-            currencyManager.ResumeBinding();
+					break;
-			VisibleCountChanged?.Invoke(this, dataGridView.AsEnumerable().Count(r => r.Visible));
+			}
-        }
+		}
-        #endregion
 
-        private int getRowId(Func<GridEntry, bool> func) => dataGridView.GetRowIdOfBoundItem(func);
+		private async Task Liberate_Click(GridEntry liveGridEntry)
+		{
+			var libraryBook = liveGridEntry.LibraryBook;
 
-        private GridEntry getGridEntry(int rowIndex) => dataGridView.GetBoundItem<GridEntry>(rowIndex);
+			// liberated: open explorer to file
+			if (TransitionalFileLocator.Audio_Exists(libraryBook.Book))
+			{
+				var filePath = TransitionalFileLocator.Audio_GetPath(libraryBook.Book);
+				if (!Go.To.File(filePath))
+					MessageBox.Show($"File not found:\r\n{filePath}");
+				return;
+			}
 
-        private DataGridViewCell getCell(DataGridViewCellFormattingEventArgs e) => getCell(e.RowIndex, e.ColumnIndex);
+			// else: liberate
+			await BookLiberation.ProcessorAutomationController.BackupSingleBookAsync(libraryBook, (_, __) => RefreshRow(libraryBook.Book.AudibleProductId));
+		}
 
-        private DataGridViewCell getCell(DataGridViewCellPaintingEventArgs e) => getCell(e.RowIndex, e.ColumnIndex);
+		private void EditTags_Click(GridEntry liveGridEntry)
+		{
+			var bookDetailsForm = new BookDetailsDialog(liveGridEntry.Title, liveGridEntry.LibraryBook.Book.UserDefinedItem.Tags);
+			if (bookDetailsForm.ShowDialog() != DialogResult.OK)
+				return;
 
-        private DataGridViewCell getCell(int rowIndex, int columnIndex) => dataGridView.Rows[rowIndex].Cells[columnIndex];
+			var qtyChanges = LibraryCommands.UpdateTags(liveGridEntry.LibraryBook.Book, bookDetailsForm.NewTags);
-    }
+			if (qtyChanges == 0)
+				return;
+
+			//Re-apply filters
+			Filter();
+		}
+
+		#endregion
+
+		#region UI display functions
+
+		private bool hasBeenDisplayed = false;
+		public void Display()
+		{
+			if (hasBeenDisplayed)
+				return;
+			hasBeenDisplayed = true;
+
+			//
+			// transform into sorted GridEntry.s BEFORE binding
+			//
+			using var context = DbContexts.GetContext();
+			var lib = context.GetLibrary_Flat_NoTracking();
+
+			// if no data. hide all columns. return
+			if (!lib.Any())
+			{
+				for (var i = _dataGridView.ColumnCount - 1; i >= 0; i--)
+					_dataGridView.Columns.RemoveAt(i);
+				return;
+			}
+
+			var orderedGridEntries = lib
+				.Select(lb => new GridEntry(lb)).ToList()
+				// default load order
+				.OrderByDescending(ge => (DateTime)ge.GetMemberValue(nameof(ge.PurchaseDate)))
+				//// more advanced example: sort by author, then series, then title
+				//.OrderBy(ge => ge.Authors)
+				//    .ThenBy(ge => ge.Series)
+				//    .ThenBy(ge => ge.Title)
+				.ToList();
+
+			// BIND
+			gridEntryBindingSource.DataSource = new SortableBindingList2<GridEntry>(orderedGridEntries);
+
+			// FILTER
+			Filter();
+
+			BackupCountsChanged?.Invoke(this, EventArgs.Empty);
+		}
+
+		public void RefreshRow(string productId)
+		{
+			var rowIndex = getRowIndex((ge) => ge.AudibleProductId == productId);
+
+			// update cells incl Liberate button text
+			_dataGridView.InvalidateRow(rowIndex);
+
+			// needed in case filtering by -IsLiberated and it gets changed to Liberated. want to immediately show the change
+			Filter();
+
+			BackupCountsChanged?.Invoke(this, EventArgs.Empty);
+		}
+
+		#endregion
+
+		#region Filter
+
+		private string _filterSearchString;
+		private void Filter() => Filter(_filterSearchString);
+		public void Filter(string searchString)
+		{
+			_filterSearchString = searchString;
+
+			if (_dataGridView.Rows.Count == 0)
+				return;
+
+			var searchResults = SearchEngineCommands.Search(searchString);
+			var productIds = searchResults.Docs.Select(d => d.ProductId).ToList();
+
+			// https://stackoverflow.com/a/18942430
+			var bindingContext = BindingContext[_dataGridView.DataSource];
+			bindingContext.SuspendBinding();
+			{
+				for (var r = _dataGridView.RowCount - 1; r >= 0; r--)
+					_dataGridView.Rows[r].Visible = productIds.Contains(getGridEntry(r).AudibleProductId);
+			}
+
+			//Causes repainting of the DataGridView
+			bindingContext.ResumeBinding();
+			VisibleCountChanged?.Invoke(this, _dataGridView.AsEnumerable().Count(r => r.Visible));
+		}
+
+		#endregion
+
+		#region DataGridView Macro
+
+		private int getRowIndex(Func<GridEntry, bool> func) => _dataGridView.GetRowIdOfBoundItem(func);
+		private GridEntry getGridEntry(int rowIndex) => _dataGridView.GetBoundItem<GridEntry>(rowIndex);
+
+		#endregion
+	}
 }

LibationWinForms/ProductsGrid.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/Properties/DataSources/LibationWinForm.RemovableGridEntry.datasource

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    This file is automatically generated by Visual Studio .Net. It is 
+    used to store generic object data source configuration information.  
+    Renaming the file extension or editing the content of this file may   
+    cause the file to be unrecognizable by the program.
+-->
+<GenericObjectDataSource DisplayName="RemovableGridEntry" Version="1.0" xmlns="urn:schemas-microsoft-com:xml-msdatasource">
+   <TypeInfo>LibationWinForms.Dialogs.RemovableGridEntry, LibationWinForms, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null</TypeInfo>
+</GenericObjectDataSource>

LibationWinForms/Properties/Resources.resx

@@ -1,64 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
-    Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
-    associated with the data types.
-    
-    Example:
-    
-    ... ado.net/XML headers & schema ...
-    <resheader name="resmimetype">text/microsoft-resx</resheader>
-    <resheader name="version">2.0</resheader>
-    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
-    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
-    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
-    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
-    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
-        <value>[base64 mime encoded serialized .NET Framework object]</value>
-    </data>
-    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
-        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
-        <comment>This is a comment</comment>
-    </data>
-                
-    There are any number of "resheader" rows that contain simple 
-    name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
-    mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
-    extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
-    read any of the formats listed below.
-    
-    mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
-            : and then encoded with base64 encoding.
-    
-    mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
-            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
-            : and then encoded with base64 encoding.
-
-    mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
-            : using a System.ComponentModel.TypeConverter
-            : and then encoded with base64 encoding.
-    -->
   <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
     <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
     <xsd:element name="root" msdata:IsDataSet="true">

LibationWinForms/SortableBindingList2[T].cs

@@ -0,0 +1,75 @@
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using System.ComponentModel;
+
+namespace LibationWinForms
+{
+	internal class SortableBindingList2<T> : BindingList<T> where T : IMemberComparable
+	{
+		private bool isSorted;
+		private ListSortDirection listSortDirection;
+		private PropertyDescriptor propertyDescriptor;
+
+		public SortableBindingList2() : base(new List<T>()) { }
+		public SortableBindingList2(IEnumerable<T> enumeration) : base(new List<T>(enumeration)) { }
+
+		private MemberComparer<T> Comparer { get; } = new();
+		protected override bool SupportsSortingCore => true;
+		protected override bool SupportsSearchingCore => true;
+		protected override bool IsSortedCore => isSorted;
+		protected override PropertyDescriptor SortPropertyCore => propertyDescriptor;
+		protected override ListSortDirection SortDirectionCore => listSortDirection;
+
+		protected override void ApplySortCore(PropertyDescriptor property, ListSortDirection direction)
+		{
+			List<T> itemsList = (List<T>)Items;
+
+			Comparer.PropertyName = property.Name;
+			Comparer.Direction = direction;
+
+			//Array.Sort() and List<T>.Sort() are unstable sorts. OrderBy is stable.
+			var sortedItems = itemsList.OrderBy((ge) => ge, Comparer).ToList();
+
+			itemsList.Clear();
+			itemsList.AddRange(sortedItems);
+
+			propertyDescriptor = property;
+			listSortDirection = direction;
+			isSorted = true;
+
+			OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
+		}
+
+		protected override void RemoveSortCore()
+		{
+			isSorted = false;
+			propertyDescriptor = base.SortPropertyCore;
+			listSortDirection = base.SortDirectionCore;
+
+			OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
+		}
+		//NOTE: Libation does not currently use BindingSource.Find anywhere,
+		//so this override may be removed (along with SupportsSearchingCore)
+		protected override int FindCore(PropertyDescriptor property, object key)
+		{
+			int count = Count;
+
+			System.Collections.IComparer valueComparer = null;
+
+			for (int i = 0; i < count; ++i)
+			{
+				T element = this[i];
+				var elemValue = element.GetMemberValue(property.Name);
+				valueComparer ??= element.GetMemberComparer(elemValue.GetType());
+
+				if (valueComparer.Compare(elemValue, key) == 0)
+				{
+					return i;
+				}
+			}
+
+			return -1;
+		}
+	}
+}

LibationWinForms/SynchronizeInvoker.cs

@@ -0,0 +1,122 @@
+using System;
+using System.ComponentModel;
+using System.Threading;
+
+namespace LibationWinForms
+{
+	public class SynchronizeInvoker : ISynchronizeInvoke
+	{
+		public bool InvokeRequired => Thread.CurrentThread.ManagedThreadId != InstanceThreadId;
+		private int InstanceThreadId { get; set; } = Thread.CurrentThread.ManagedThreadId;
+		private SynchronizationContext SyncContext { get; } = SynchronizationContext.Current;
+
+		public SynchronizeInvoker()
+		{
+			if (SyncContext is null)
+				throw new NullReferenceException($"Could not capture a current {nameof(SynchronizationContext)}");
+		}
+
+		public IAsyncResult BeginInvoke(Action action) => BeginInvoke(action, null);
+		public IAsyncResult BeginInvoke(Delegate method) => BeginInvoke(method, null);
+		public IAsyncResult BeginInvoke(Delegate method, object[] args)
+		{
+			var tme = new ThreadMethodEntry(method, args);
+
+			if (InvokeRequired)
+			{
+				SyncContext.Post(OnSendOrPostCallback, tme);
+			}
+			else
+			{
+				tme.Complete();
+				tme.CompletedSynchronously = true;
+			}
+			return tme;
+		}
+
+		public object EndInvoke(IAsyncResult result)
+		{
+			if (result is not ThreadMethodEntry crossThread)
+				throw new ArgumentException($"{nameof(result)} was not returned by {nameof(SynchronizeInvoker)}.{nameof(BeginInvoke)}");
+
+			if (!crossThread.IsCompleted) 
+				crossThread.AsyncWaitHandle.WaitOne();
+
+			return crossThread.ReturnValue;
+		}
+
+		public object Invoke(Action action) => Invoke(action, null);
+		public object Invoke(Delegate method) => Invoke(method, null);
+		public object Invoke(Delegate method, object[] args)
+		{
+			var tme = new ThreadMethodEntry(method, args);
+
+			if (InvokeRequired)
+			{
+				SyncContext.Send(OnSendOrPostCallback, tme);
+			}
+			else
+			{
+				tme.Complete();
+				tme.CompletedSynchronously = true;
+			}
+
+			return tme.ReturnValue;
+		}
+
+		/// <summary>
+		/// This callback executes on the SynchronizationContext thread.
+		/// </summary>
+		private static void OnSendOrPostCallback(object asyncArgs)
+		{
+			var e = asyncArgs as ThreadMethodEntry;
+			e.Complete();
+		}
+
+		private class ThreadMethodEntry : IAsyncResult
+		{
+			public object AsyncState => null;
+			public bool CompletedSynchronously { get; internal set; }
+			public bool IsCompleted { get; private set; }
+			public object ReturnValue { get; private set; }
+			public WaitHandle AsyncWaitHandle => completedEvent;
+
+			private Delegate method;
+			private object[] args;
+			private ManualResetEvent completedEvent;
+
+			public ThreadMethodEntry(Delegate method, object[] args)
+			{
+				this.method = method;
+				this.args = args;
+				completedEvent = new ManualResetEvent(initialState: false);				
+			}
+
+			public void Complete()
+			{
+				try
+				{
+					switch (method)
+					{
+						case Action actiton:
+							actiton();
+							break;
+						default:
+							ReturnValue = method.DynamicInvoke(args);
+							break;
+					}
+				}
+				finally
+				{
+					IsCompleted = true;
+					completedEvent.Set();
+				}
+			}
+
+			~ThreadMethodEntry()
+			{
+				completedEvent.Close();
+			}
+		}
+	}
+}

WindowsDesktopUtilities/WinAudibleImageServer.cs

@@ -1,28 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using Dinah.Core.Drawing;
-using FileManager;
-
-namespace WindowsDesktopUtilities
-{
-	public static class WinAudibleImageServer
-	{
-		private static Dictionary<PictureDefinition, Image> cache { get; } = new Dictionary<PictureDefinition, Image>();
-
-		public static Image GetImage(string pictureId, PictureSize size)
-		{
-			var def = new PictureDefinition(pictureId, size);
-			if (!cache.ContainsKey(def))
-			{
-				(var isDefault, var bytes) = PictureStorage.GetPicture(def);
-
-				var image = ImageReader.ToImage(bytes);
-				if (isDefault)
-					return image;
-				cache[def] = image;
-			}
-			return cache[def];
-		}
-	}
-}

WindowsDesktopUtilities/WindowsDesktopUtilities.csproj

@@ -1,16 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
-
-  <PropertyGroup>
-    <OutputType>Library</OutputType>
-    <TargetFramework>net5.0-windows</TargetFramework>
-    <UseWindowsForms>true</UseWindowsForms>
-    <ApplicationIcon />
-    <StartupObject />
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\Dinah.Core\Dinah.Core.WindowsDesktop\Dinah.Core.WindowsDesktop.csproj" />
-    <ProjectReference Include="..\FileManager\FileManager.csproj" />
-  </ItemGroup>
-
-</Project>