Merge pull request #1308 from Mbucari/master

Refactors, bug fixes, and performance improvements.

Source/AaxDecrypter/AaxcDownloadConvertBase.cs

@@ -25,9 +25,8 @@ namespace AaxDecrypter
 
 		public override async Task CancelAsync()
 		{
-			IsCanceled = true;
+			await base.CancelAsync();
 			await (AaxConversion?.CancelAsync() ?? Task.CompletedTask);
-			FinalizeDownload();
 		}
 
 		private Mp4File Open()

Source/AaxDecrypter/AudiobookDownloadBase.cs

@@ -120,7 +120,12 @@ namespace AaxDecrypter
 			}
 		}
 
-		public abstract Task CancelAsync();
+		public virtual Task CancelAsync()
+		{
+			IsCanceled = true;
+			FinalizeDownload();
+			return Task.CompletedTask;
+		}
 		protected abstract Task<bool> Step_DownloadAndDecryptAudiobookAsync();
 
 		public virtual void SetCoverArt(byte[] coverArt) { }

Source/AaxDecrypter/UnencryptedAudiobookDownloader.cs

@@ -17,13 +17,6 @@ namespace AaxDecrypter
 			AsyncSteps["Step 3: Create Cue"] = Step_CreateCueAsync;
 		}
 
-		public override Task CancelAsync()
-		{
-			IsCanceled = true;
-			FinalizeDownload();
-			return Task.CompletedTask;
-		}
-
 		protected override async Task<bool> Step_DownloadAndDecryptAudiobookAsync()
 		{
 			await InputFileStream.DownloadTask;

Source/AppScaffolding/AppScaffolding.csproj

@@ -7,10 +7,9 @@
   <ItemGroup>
     <PackageReference Include="Octokit" Version="14.0.0" />
     <!-- Do not remove unused Serilog.Sinks -->
-    <!-- Only ZipFile sink is currently used. By user request (June 2024) others packages are included for experimental use. -->
+    <!-- Only File sink is currently used. By user request (June 2024) others packages are included for experimental use. -->
     <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
     <PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
-    <PackageReference Include="Serilog.Sinks.ZipFile" Version="3.1.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\ApplicationServices\ApplicationServices.csproj" />

Source/AppScaffolding/LibationScaffolding.cs

@@ -115,11 +115,22 @@ namespace AppScaffolding
 		{
 			if (config.GetObject("Serilog") is JObject serilog)
 			{
-				if (serilog["WriteTo"] is JArray sinks && sinks.FirstOrDefault(s => s["Name"].Value<string>() is "File") is JToken fileSink)
+				bool fileChanged = false;
+				if (serilog.SelectToken("$.WriteTo[?(@.Name == 'ZipFile')]", false) is JObject zipFileSink)
 				{
-					fileSink["Name"] = "ZipFile";
+					zipFileSink["Name"] = "File";
-					config.SetNonString(serilog.DeepClone(), "Serilog");
+					fileChanged = true;
 				}
+				var hooks = $"{nameof(LibationFileManager)}.{nameof(FileSinkHook)}, {nameof(LibationFileManager)}";
+				if (serilog.SelectToken("$.WriteTo[?(@.Name == 'File')].Args", false) is JObject fileSinkArgs
+					&& fileSinkArgs["hooks"]?.Value<string>() != hooks)
+				{
+					fileSinkArgs["hooks"] = hooks;
+					fileChanged = true;
+				}
+
+				if (fileChanged)
+					config.SetNonString(serilog.DeepClone(), "Serilog");
 				return;
 			}
 
@@ -129,17 +140,17 @@ namespace AppScaffolding
 				{ "WriteTo", new JArray
 					{
 						// ABOUT SINKS
-						// Only ZipFile sink is currently used. By user request (June 2024) others packages are included for experimental use.
+						// Only File sink is currently used. By user request (June 2024) others packages are included for experimental use.
 
 						// new JObject { {"Name", "Console" } }, // this has caused more problems than it's solved
 						new JObject
 						{
-							{ "Name", "ZipFile" },
+							{ "Name", "File" },
 							{ "Args",
 								new JObject
 								{
 									// for this sink to work, a path must be provided. we override this below
-									{ "path", Path.Combine(config.LibationFiles, "_Log.log") },
+									{ "path", Path.Combine(config.LibationFiles, "Log.log") },
 									{ "rollingInterval", "Month" },
 									// Serilog template formatting examples
 									// - default:                    "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] {Message:lj}{NewLine}{Exception}"
@@ -274,7 +285,7 @@ namespace AppScaffolding
                 disableIPv6 = AppContext.TryGetSwitch("System.Net.DisableIPv6", out bool disableIPv6Value),
 			});
 
-            if (InteropFactory.InteropFunctionsType is null)
+			if (InteropFactory.InteropFunctionsType is null)
                 Serilog.Log.Logger.Warning("WARNING: OSInteropProxy.InteropFunctionsType is null");
         }
 

Source/FileLiberator/DownloadDecryptBook.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using AaxDecrypter;
 using ApplicationServices;
@@ -18,10 +19,15 @@ namespace FileLiberator
     {
         public override string Name => "Download & Decrypt";
         private AudiobookDownloadBase abDownloader;
+		private readonly CancellationTokenSource cancellationTokenSource = new();
 
-        public override bool Validate(LibraryBook libraryBook) => !libraryBook.Book.Audio_Exists();
+		public override bool Validate(LibraryBook libraryBook) => !libraryBook.Book.Audio_Exists();
-
+        public override async Task CancelAsync()
-        public override Task CancelAsync() => abDownloader?.CancelAsync() ?? Task.CompletedTask;
+        {
+            cancellationTokenSource.Cancel();
+            if (abDownloader is not null)
+				await abDownloader.CancelAsync();
+		}
 
         public override async Task<StatusHandler> ProcessAsync(LibraryBook libraryBook)
         {
@@ -41,8 +47,9 @@ namespace FileLiberator
             }
 
             OnBegin(libraryBook);
+            var cancellationToken = cancellationTokenSource.Token;
 
-            try
+			try
             {
                 if (libraryBook.Book.Audio_Exists())
                     return new StatusHandler { "Cannot find decrypt. Final audio file already exists" };
@@ -50,7 +57,7 @@ namespace FileLiberator
                 downloadValidation(libraryBook);
 				var api = await libraryBook.GetApiAsync();
                 var config = Configuration.Instance;
-				using var downloadOptions = await DownloadOptions.InitiateDownloadAsync(api, config, libraryBook);
+				using var downloadOptions = await DownloadOptions.InitiateDownloadAsync(api, config, libraryBook, cancellationToken);
 
                 bool success = false;
                 try
@@ -74,38 +81,32 @@ namespace FileLiberator
                         .Where(f => f.FileType != FileType.AAXC)
                         .Select(f => Task.Run(() => FileUtility.SaferDelete(f.Path))));
 
-                    return
+					cancellationToken.ThrowIfCancellationRequested();
-                        abDownloader?.IsCanceled is true
+					return new StatusHandler { "Decrypt failed" };
-                        ? new StatusHandler { "Cancelled" }
-                        : new StatusHandler { "Decrypt failed" };
                 }
 
                 var finalStorageDir = getDestinationDirectory(libraryBook);
 
-                var moveFilesTask = Task.Run(() => moveFilesToBooksDir(libraryBook, entries));
+                var moveFilesTask = Task.Run(() => moveFilesToBooksDir(libraryBook, entries, cancellationToken));
                 Task[] finalTasks =
                 [
-                    Task.Run(() => downloadCoverArt(downloadOptions)),
+                    Task.Run(() => downloadCoverArt(downloadOptions, cancellationToken)),
                     moveFilesTask,
-                    Task.Run(() => WindowsDirectory.SetCoverAsFolderIcon(libraryBook.Book.PictureId, finalStorageDir))
+                    Task.Run(() => WindowsDirectory.SetCoverAsFolderIcon(libraryBook.Book.PictureId, finalStorageDir, cancellationToken))
                 ];
 
 				try
                 {
-                    await Task.WhenAll(finalTasks);
+					await Task.WhenAll(finalTasks);
-                }
+				}
-                catch
+                catch when (!moveFilesTask.IsFaulted)
-                {
+				{
 					//Swallow downloadCoverArt and SetCoverAsFolderIcon exceptions.
-                    //Only fail if the downloaded audio files failed to move to Books directory
+					//Only fail if the downloaded audio files failed to move to Books directory
-					if (moveFilesTask.IsFaulted)
+				}
-                    {
+				finally
-                        throw;
-                    }
-                }
-                finally
                 {
-                    if (moveFilesTask.IsCompletedSuccessfully)
+                    if (moveFilesTask.IsCompletedSuccessfully && !cancellationToken.IsCancellationRequested)
                     {
                         await Task.Run(() => libraryBook.UpdateBookStatus(LiberatedStatus.Liberated, Configuration.LibationVersion));
 
@@ -114,8 +115,12 @@ namespace FileLiberator
 				}
 
 				return new StatusHandler();
-            }
+			}
-            finally
+			catch when (cancellationToken.IsCancellationRequested)
+			{
+				return new StatusHandler { "Cancelled" };
+			}
+			finally
             {
                 OnCompleted(libraryBook);
             }
@@ -257,16 +262,17 @@ namespace FileLiberator
 
         /// <summary>Move new files to 'Books' directory</summary>
         /// <returns>Return directory if audiobook file(s) were successfully created and can be located on disk. Else null.</returns>
-        private static void moveFilesToBooksDir(LibraryBook libraryBook, List<FilePathCache.CacheEntry> entries)
+        private static void moveFilesToBooksDir(LibraryBook libraryBook, List<FilePathCache.CacheEntry> entries, CancellationToken cancellationToken)
         {
             // create final directory. move each file into it
             var destinationDir = getDestinationDirectory(libraryBook);
+            cancellationToken.ThrowIfCancellationRequested();
 
 			for (var i = 0; i < entries.Count; i++)
             {
                 var entry = entries[i];
 
-                var realDest
+				var realDest
                     = FileUtility.SaferMoveToValidPath(
                         entry.Path,
                         Path.Combine(destinationDir, Path.GetFileName(entry.Path)),
@@ -278,7 +284,8 @@ namespace FileLiberator
 
                 // propagate corrected path. Must update cache with corrected path. Also want updated path for cue file (after this for-loop)
                 entries[i] = entry with { Path = realDest };
-            }
+                cancellationToken.ThrowIfCancellationRequested();
+			}
 
 			var cue = entries.FirstOrDefault(f => f.FileType == FileType.Cue);
             if (cue != default)
@@ -287,7 +294,8 @@ namespace FileLiberator
 				SetFileTime(libraryBook, cue.Path);
 			}
 
-            AudibleFileStorage.Audio.Refresh();
+			cancellationToken.ThrowIfCancellationRequested();
+			AudibleFileStorage.Audio.Refresh();
         }
 
         private static string getDestinationDirectory(LibraryBook libraryBook)
@@ -301,7 +309,7 @@ namespace FileLiberator
 		private static FilePathCache.CacheEntry getFirstAudioFile(IEnumerable<FilePathCache.CacheEntry> entries)
             => entries.FirstOrDefault(f => f.FileType == FileType.Audio);
 
-		private static void downloadCoverArt(DownloadOptions options)
+		private static void downloadCoverArt(DownloadOptions options, CancellationToken cancellationToken)
         {
 			if (!Configuration.Instance.DownloadCoverArt) return;
 
@@ -316,7 +324,7 @@ namespace FileLiberator
                 if (File.Exists(coverPath))
                     FileUtility.SaferDelete(coverPath);
 
-                var picBytes = PictureStorage.GetPictureSynchronously(new(options.LibraryBook.Book.PictureLarge ?? options.LibraryBook.Book.PictureId, PictureSize.Native));
+                var picBytes = PictureStorage.GetPictureSynchronously(new(options.LibraryBook.Book.PictureLarge ?? options.LibraryBook.Book.PictureId, PictureSize.Native), cancellationToken);
                 if (picBytes.Length > 0)
                 {
                     File.WriteAllBytes(coverPath, picBytes);
@@ -327,6 +335,7 @@ namespace FileLiberator
             {
                 //Failure to download cover art should not be considered a failure to download the book
                 Serilog.Log.Logger.Error(ex, $"Error downloading cover art of {options.LibraryBook.Book.AudibleProductId} to {coverPath} catalog product.");
+                throw;
             }
         }
     }

Source/FileLiberator/DownloadOptions.Factory.cs

@@ -11,6 +11,7 @@ using System.IO;
 using System.Linq;
 using System.Net.Http;
 using System.Text.RegularExpressions;
+using System.Threading;
 using System.Threading.Tasks;
 
 #nullable enable
@@ -24,9 +25,10 @@ public partial class DownloadOptions
 	/// <summary>
 	/// Initiate an audiobook download from the audible api.
 	/// </summary>
-	public static async Task<DownloadOptions> InitiateDownloadAsync(Api api, Configuration config, LibraryBook libraryBook)
+	public static async Task<DownloadOptions> InitiateDownloadAsync(Api api, Configuration config, LibraryBook libraryBook, CancellationToken token)
 	{
-		var license = await ChooseContent(api, libraryBook, config);
+		var license = await ChooseContent(api, libraryBook, config, token);
+		token.ThrowIfCancellationRequested();
 
 		//Some audiobooks will have incorrect chapters in the metadata returned from the license request,
 		//but the metadata returned by the content metadata endpoint will be correct. Call the content
@@ -36,9 +38,8 @@ public partial class DownloadOptions
 		if (metadata.ChapterInfo.RuntimeLengthMs == license.ContentMetadata.ChapterInfo.RuntimeLengthMs)
 			license.ContentMetadata.ChapterInfo = metadata.ChapterInfo;
 
-		var options = BuildDownloadOptions(libraryBook, config, license);
+		token.ThrowIfCancellationRequested();
-
+		return BuildDownloadOptions(libraryBook, config, license);
-		return options;
 	}
 
 	private class LicenseInfo
@@ -57,16 +58,18 @@ public partial class DownloadOptions
 			=> voucher is null ? null : [new KeyData(voucher.Key, voucher.Iv)];
 	}
 
-	private static async Task<LicenseInfo> ChooseContent(Api api, LibraryBook libraryBook, Configuration config)
+	private static async Task<LicenseInfo> ChooseContent(Api api, LibraryBook libraryBook, Configuration config, CancellationToken token)
 	{
 		var dlQuality = config.FileDownloadQuality == Configuration.DownloadQuality.Normal ? DownloadQuality.Normal : DownloadQuality.High;
 
 		if (!config.UseWidevine || await Cdm.GetCdmAsync() is not Cdm cdm)
 		{
+			token.ThrowIfCancellationRequested();
 			var license = await api.GetDownloadLicenseAsync(libraryBook.Book.AudibleProductId, dlQuality);
 			return new LicenseInfo(license);
 		}
 
+		token.ThrowIfCancellationRequested();
 		try
 		{
 			//try to request a widevine content license using the user's spatial audio settings
@@ -85,8 +88,8 @@ public partial class DownloadOptions
 				return new LicenseInfo(contentLic);
 
 			using var client = new HttpClient();
-			using var mpdResponse = await client.GetAsync(contentLic.LicenseResponse);
+			using var mpdResponse = await client.GetAsync(contentLic.LicenseResponse, token);
-			var dash = new MpegDash(mpdResponse.Content.ReadAsStream());
+			var dash = new MpegDash(mpdResponse.Content.ReadAsStream(token));
 
 			if (!dash.TryGetUri(new Uri(contentLic.LicenseResponse), out var contentUri))
 				throw new InvalidDataException("Failed to get mpeg-dash content download url.");

Source/LibationAvalonia/Controls/DataGridCheckBoxColumnExt.cs

@@ -9,7 +9,7 @@ namespace LibationAvalonia.Controls
 		{
 			//Only SeriesEntry types have three-state checks, individual LibraryEntry books are binary.
 			var ele = base.GenerateEditingElementDirect(cell, dataItem) as CheckBox;
-			ele.IsThreeState = dataItem is ISeriesEntry;
+			ele.IsThreeState = dataItem is SeriesEntry;
 			return ele;
 		}
 	}

Source/LibationAvalonia/Controls/DataGridContextMenus.cs

@@ -34,11 +34,11 @@ namespace LibationAvalonia.Controls
 		private static void Cell_ContextRequested(object sender, ContextRequestedEventArgs e)
 		{
 			if (sender is DataGridCell cell &&
-				cell.DataContext is IGridEntry clickedEntry &&
+				cell.DataContext is GridEntry clickedEntry &&
 				OwningColumnProperty.GetValue(cell) is DataGridColumn column &&
 				OwningGridProperty.GetValue(column) is DataGrid grid)
 			{
-				var allSelected = grid.SelectedItems.OfType<IGridEntry>().ToArray();
+				var allSelected = grid.SelectedItems.OfType<GridEntry>().ToArray();
 				var clickedIndex = Array.IndexOf(allSelected, clickedEntry);
 				if (clickedIndex == -1)
 				{
@@ -101,7 +101,7 @@ namespace LibationAvalonia.Controls
 		private static string RemoveLineBreaks(string text)
 			=> text.Replace("\r\n", "").Replace('\r', ' ').Replace('\n', ' ');
 
-		private string GetRowClipboardContents(IGridEntry gridEntry)
+		private string GetRowClipboardContents(GridEntry gridEntry)
 		{
 			var contents = Grid.Columns.Where(c => c.IsVisible).OrderBy(c => c.DisplayIndex).Select(c => RemoveLineBreaks(GetCellValue(c, gridEntry))).ToArray();
 			return string.Join("\t", contents);
@@ -109,7 +109,7 @@ namespace LibationAvalonia.Controls
 
 		public required DataGrid Grid { get; init; }
 		public required DataGridColumn Column { get; init; }
-		public required IGridEntry[] GridEntries { get; init; }
+		public required GridEntry[] GridEntries { get; init; }
 		public required ContextMenu ContextMenu { get; init; }
 		public AvaloniaList<Control> ContextMenuItems
 			=> ContextMenu.ItemsSource as AvaloniaList<Control>;

Source/LibationAvalonia/Controls/Settings/Important.axaml.cs

@@ -58,10 +58,5 @@ namespace LibationAvalonia.Controls.Settings
 			}
 			ThemeComboBox.SelectionChanged += ThemeComboBox_SelectionChanged;
 		}
-
-		public void OpenLogFolderButton_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
-		{
-			Go.To.Folder(((LongPath)Configuration.Instance.LibationFiles).ShortPathName);
-		}
 	}
 }

Source/LibationAvalonia/Controls/ThemePreviewControl.axaml.cs

@@ -36,11 +36,11 @@ public partial class ThemePreviewControl : UserControl
 			PictureStorage.SetDefaultImage(PictureSize._80x80, ms1.ToArray());
 		}
 
-		QueuedBook = new ProcessBookViewModel(sampleEntries[0], null) { Status = ProcessBookStatus.Queued };
+		QueuedBook = new ProcessBookViewModel(sampleEntries[0]) { Status = ProcessBookStatus.Queued };
-		WorkingBook = new ProcessBookViewModel(sampleEntries[0], null) { Status = ProcessBookStatus.Working };
+		WorkingBook = new ProcessBookViewModel(sampleEntries[0]) { Status = ProcessBookStatus.Working };
-		CompletedBook = new ProcessBookViewModel(sampleEntries[0], null) { Status = ProcessBookStatus.Completed };
+		CompletedBook = new ProcessBookViewModel(sampleEntries[0]) { Status = ProcessBookStatus.Completed };
-		CancelledBook = new ProcessBookViewModel(sampleEntries[0], null) { Status = ProcessBookStatus.Cancelled };
+		CancelledBook = new ProcessBookViewModel(sampleEntries[0]) { Status = ProcessBookStatus.Cancelled };
-		FailedBook = new ProcessBookViewModel(sampleEntries[0], null) { Status = ProcessBookStatus.Failed };
+		FailedBook = new ProcessBookViewModel(sampleEntries[0]) { Status = ProcessBookStatus.Failed };
 
 		//Set the current processable so that the empty queue doesn't try to advance.
 		QueuedBook.AddDownloadPdf();

Source/LibationAvalonia/Dialogs/Login/AvaloniaLoginCallback.cs

@@ -1,5 +1,6 @@
 using AudibleApi;
 using AudibleUtilities;
+using Avalonia.Threading;
 using LibationUiBase.Forms;
 using System.Threading.Tasks;
 
@@ -17,42 +18,46 @@ namespace LibationAvalonia.Dialogs.Login
 		}
 
 		public async Task<string> Get2faCodeAsync(string prompt)
-		{
+			=> await Dispatcher.UIThread.InvokeAsync(async () =>
-			var dialog = new _2faCodeDialog(prompt);
+			{
-			if (await dialog.ShowDialogAsync() is DialogResult.OK)
+				var dialog = new _2faCodeDialog(prompt);
-				return dialog.Code;
+				if (await dialog.ShowDialogAsync() is DialogResult.OK)
-
+					return dialog.Code;
-			return null;
+				return null;
-		}
+			});
 
 		public async Task<(string password, string guess)> GetCaptchaAnswerAsync(string password, byte[] captchaImage)
-		{
+			=> await Dispatcher.UIThread.InvokeAsync(async () =>
-			var dialog = new CaptchaDialog(password, captchaImage);
+			{
-			if (await dialog.ShowDialogAsync() is DialogResult.OK)
+				var dialog = new CaptchaDialog(password, captchaImage);
-				return (dialog.Password, dialog.Answer);
+				if (await dialog.ShowDialogAsync() is DialogResult.OK)
-			return (null, null);
+					return (dialog.Password, dialog.Answer);
-		}
+				return (null, null);
+			});
 
 		public async Task<(string name, string value)> GetMfaChoiceAsync(MfaConfig mfaConfig)
-		{
+			=> await Dispatcher.UIThread.InvokeAsync(async () =>
-			var dialog = new MfaDialog(mfaConfig);
+			{
-			if (await dialog.ShowDialogAsync() is DialogResult.OK)
+				var dialog = new MfaDialog(mfaConfig);
-				return (dialog.SelectedName, dialog.SelectedValue);
+				if (await dialog.ShowDialogAsync() is DialogResult.OK)
-			return (null, null);
+					return (dialog.SelectedName, dialog.SelectedValue);
-		}
+				return (null, null);
+			});
 
 		public async Task<(string email, string password)> GetLoginAsync()
-		{
+			=> await Dispatcher.UIThread.InvokeAsync(async () =>
-			var dialog = new LoginCallbackDialog(_account);
+			{
-			if (await dialog.ShowDialogAsync() is DialogResult.OK)
+				var dialog = new LoginCallbackDialog(_account);
-				return (_account.AccountId, dialog.Password);
+				if (await dialog.ShowDialogAsync() is DialogResult.OK)
-			return (null, null);
+					return (_account.AccountId, dialog.Password);
-		}
+				return (null, null);
+			});
 
 		public async Task ShowApprovalNeededAsync()
-		{
+			=> await Dispatcher.UIThread.InvokeAsync(async () =>
-			var dialog = new ApprovalNeededDialog();
+			{
-			await dialog.ShowDialogAsync();
+				var dialog = new ApprovalNeededDialog();
-		}
+				await dialog.ShowDialogAsync();
+			});
 	}
 }

Source/LibationAvalonia/Dialogs/Login/AvaloniaLoginChoiceEager.cs

@@ -1,5 +1,6 @@
 using AudibleApi;
 using AudibleUtilities;
+using Avalonia.Threading;
 using LibationFileManager;
 using LibationUiBase.Forms;
 using System;
@@ -21,6 +22,9 @@ namespace LibationAvalonia.Dialogs.Login
 		}
 
 		public async Task<ChoiceOut?> StartAsync(ChoiceIn choiceIn)
+			=> await Dispatcher.UIThread.InvokeAsync(() => StartAsyncInternal(choiceIn));
+
+		private async Task<ChoiceOut?> StartAsyncInternal(ChoiceIn choiceIn)
 		{
 			if (Configuration.IsWindows && Environment.OSVersion.Version.Major >= 10)
 			{

Source/LibationAvalonia/ViewModels/AvaloniaEntryStatus.cs

@@ -1,20 +0,0 @@
-using Avalonia.Media.Imaging;
-using DataLayer;
-using LibationUiBase.GridView;
-using System;
-
-#nullable enable
-namespace LibationAvalonia.ViewModels
-{
-	public class AvaloniaEntryStatus : EntryStatus, IEntryStatus, IComparable
-	{
-		private AvaloniaEntryStatus(LibraryBook libraryBook) : base(libraryBook) { }
-		public static EntryStatus Create(LibraryBook libraryBook) => new AvaloniaEntryStatus(libraryBook);
-
-		protected override Bitmap LoadImage(byte[] picture)
-			=> AvaloniaUtils.TryLoadImageOrDefault(picture, LibationFileManager.PictureSize._80x80);
-
-		//Button icons are handled by LiberateStatusButton
-		protected override Bitmap? GetResourceImage(string rescName) => null;
-	}
-}

Source/LibationAvalonia/ViewModels/MainVM.Import.cs

@@ -202,7 +202,7 @@ namespace LibationAvalonia.ViewModels
 		{
 			try
 			{
-				var (totalProcessed, newAdded) = await LibraryCommands.ImportAccountAsync(accounts);
+				var (totalProcessed, newAdded) = await Task.Run(() => LibraryCommands.ImportAccountAsync(accounts));
 
 				// this is here instead of ScanEnd so that the following is only possible when it's user-initiated, not automatic loop
 				if (Configuration.Instance.ShowImportedStats && newAdded > 0)

Source/LibationAvalonia/ViewModels/MainVM.ProcessQueue.cs

@@ -57,7 +57,7 @@ namespace LibationAvalonia.ViewModels
 			}
 		}
 
-		public void LiberateSeriesClicked(ISeriesEntry series)
+		public void LiberateSeriesClicked(SeriesEntry series)
 		{
 			try
 			{

Source/LibationAvalonia/ViewModels/MainVM.ScanAuto.cs

@@ -5,6 +5,7 @@ using LibationFileManager;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 
 #nullable enable
 namespace LibationAvalonia.ViewModels
@@ -27,7 +28,7 @@ namespace LibationAvalonia.ViewModels
 				// in autoScan, new books SHALL NOT show dialog
 				try
 				{
-					await LibraryCommands.ImportAccountAsync(accounts);
+					await Task.Run(() => LibraryCommands.ImportAccountAsync(accounts));
 				}
 				catch (OperationCanceledException)
 				{

Source/LibationAvalonia/ViewModels/MainVM._NoUI.cs

@@ -1,5 +1,6 @@
 using LibationFileManager;
 using LibationUiBase;
+using System;
 using System.IO;
 
 #nullable enable
@@ -7,7 +8,7 @@ namespace LibationAvalonia.ViewModels
 {
 	partial class MainVM
 	{
-		private void Configure_NonUI()
+		public  static void Configure_NonUI()
 		{
 			using var ms1 = new MemoryStream();
 			App.OpenAsset("img-coverart-prod-unavailable_80x80.jpg").CopyTo(ms1);
@@ -23,6 +24,20 @@ namespace LibationAvalonia.ViewModels
 			PictureStorage.SetDefaultImage(PictureSize.Native, ms3.ToArray());
 
 			BaseUtil.SetLoadImageDelegate(AvaloniaUtils.TryLoadImageOrDefault);
+			BaseUtil.SetLoadResourceImageDelegate(LoadResourceImage);
+		}
+		private static Avalonia.Media.Imaging.Bitmap? LoadResourceImage(string resourceName)
+		{
+			try
+			{
+				using var stream = App.OpenAsset(resourceName);
+				return new Avalonia.Media.Imaging.Bitmap(stream);
+			}
+			catch (Exception ex)
+			{
+				Serilog.Log.Error(ex, "Failed to load resource image: {ResourceName}", resourceName);
+				return null;
+			}
 		}
 	}
 }

Source/LibationAvalonia/ViewModels/MainVM.cs

@@ -2,6 +2,7 @@
 using DataLayer;
 using LibationAvalonia.Views;
 using LibationFileManager;
+using LibationUiBase.ProcessQueue;
 using ReactiveUI;
 using System.Collections.Generic;
 using System.Threading.Tasks;

Source/LibationAvalonia/ViewModels/ProcessBookViewModel.cs

@@ -1,17 +0,0 @@
-using DataLayer;
-using LibationFileManager;
-using LibationUiBase;
-using LibationUiBase.ProcessQueue;
-
-#nullable enable
-namespace LibationAvalonia.ViewModels;
-
-public class ProcessBookViewModel : ProcessBookViewModelBase
-{
-
-	public ProcessBookViewModel(LibraryBook libraryBook, LogMe logme) : base(libraryBook, logme) { }
-
-	protected override object? LoadImageFromBytes(byte[] bytes, PictureSize pictureSize)
-		=> AvaloniaUtils.TryLoadImageOrDefault(bytes, pictureSize);
-
-}

Source/LibationAvalonia/ViewModels/ProcessQueueViewModel.cs

@@ -1,74 +0,0 @@
-using Avalonia.Collections;
-using Avalonia.Controls;
-using Avalonia.Threading;
-using DataLayer;
-using LibationFileManager;
-using LibationUiBase.ProcessQueue;
-using System;
-using System.Collections.ObjectModel;
-
-#nullable enable
-namespace LibationAvalonia.ViewModels;
-
-public record LogEntry(DateTime LogDate, string? LogMessage)
-{
-	public string LogDateString => LogDate.ToShortTimeString();
-}
-
-public class ProcessQueueViewModel : ProcessQueueViewModelBase
-{
-	public ProcessQueueViewModel() : base(CreateEmptyList())
-	{
-		Items = Queue.UnderlyingList as AvaloniaList<ProcessBookViewModelBase>
-			?? throw new ArgumentNullException(nameof(Queue.UnderlyingList));
-
-		SpeedLimit = Configuration.Instance.DownloadSpeedLimit / 1024m / 1024;
-	}
-
-	private decimal _speedLimit;
-	public decimal SpeedLimitIncrement { get; private set; }
-	public ObservableCollection<LogEntry> LogEntries { get; } = new();
-	public AvaloniaList<ProcessBookViewModelBase> Items { get; }
-
-	public decimal SpeedLimit
-	{
-		get
-		{
-			return _speedLimit;
-		}
-		set
-		{
-			var newValue = Math.Min(999 * 1024 * 1024, (long)(value * 1024 * 1024));
-			var config = Configuration.Instance;
-			config.DownloadSpeedLimit = newValue;
-
-			_speedLimit
-				= config.DownloadSpeedLimit <= newValue ? value
-				: value == 0.01m ? config.DownloadSpeedLimit / 1024m / 1024
-				: 0;
-
-			config.DownloadSpeedLimit = (long)(_speedLimit * 1024 * 1024);
-
-			SpeedLimitIncrement = _speedLimit > 100 ? 10
-				: _speedLimit > 10 ? 1
-				: _speedLimit > 1 ? 0.1m
-				: 0.01m;
-
-			RaisePropertyChanged(nameof(SpeedLimitIncrement));
-			RaisePropertyChanged(nameof(SpeedLimit));
-		}
-	}
-
-	public override void WriteLine(string text)
-		=> Dispatcher.UIThread.Invoke(() => LogEntries.Add(new(DateTime.Now, text.Trim())));
-
-	protected override ProcessBookViewModelBase CreateNewProcessBook(LibraryBook libraryBook)
-		=> new ProcessBookViewModel(libraryBook, Logger);
-
-	private static AvaloniaList<ProcessBookViewModelBase> CreateEmptyList()
-	{
-		if (Design.IsDesignMode)
-			_ = Configuration.Instance.LibationFiles;
-		return new AvaloniaList<ProcessBookViewModelBase>();
-	}
-}

Source/LibationAvalonia/ViewModels/ProductsDisplayViewModel.cs

@@ -26,9 +26,9 @@ namespace LibationAvalonia.ViewModels
 		public event EventHandler<int>? RemovableCountChanged;
 
 		/// <summary>Backing list of all grid entries</summary>
-		private readonly AvaloniaList<IGridEntry> SOURCE = new();
+		private readonly AvaloniaList<GridEntry> SOURCE = new();
 		/// <summary>Grid entries included in the filter set. If null, all grid entries are shown</summary>
-		private HashSet<IGridEntry>? FilteredInGridEntries;
+		private HashSet<GridEntry>? FilteredInGridEntries;
 		public string? FilterString { get; private set; }
 
 		private DataGridCollectionView? _gridEntries;
@@ -43,15 +43,15 @@ namespace LibationAvalonia.ViewModels
 
 		public List<LibraryBook> GetVisibleBookEntries()
 			=> FilteredInGridEntries?
-				.OfType<ILibraryBookEntry>()
+				.OfType<LibraryBookEntry>()
 				.Select(lbe => lbe.LibraryBook)
 				.ToList()
 			?? SOURCE
-				.OfType<ILibraryBookEntry>()
+				.OfType<LibraryBookEntry>()
 				.Select(lbe => lbe.LibraryBook)
 				.ToList();
 
-		private IEnumerable<ILibraryBookEntry> GetAllBookEntries()
+		private IEnumerable<LibraryBookEntry> GetAllBookEntries()
 			=> SOURCE
 			.BookEntries();
 
@@ -112,8 +112,8 @@ namespace LibationAvalonia.ViewModels
 			var sc = await Dispatcher.UIThread.InvokeAsync(() => AvaloniaSynchronizationContext.Current);
 			AvaloniaSynchronizationContext.SetSynchronizationContext(sc);
 
-			var geList = await LibraryBookEntry<AvaloniaEntryStatus>.GetAllProductsAsync(dbBooks);
+			var geList = await LibraryBookEntry.GetAllProductsAsync(dbBooks);
-			var seriesEntries = await SeriesEntry<AvaloniaEntryStatus>.GetAllSeriesEntriesAsync(dbBooks);
+			var seriesEntries = await SeriesEntry.GetAllSeriesEntriesAsync(dbBooks);
 
 			//Add all IGridEntries to the SOURCE list. Note that SOURCE has not yet been linked to the UI via
 			//the GridEntries property, so adding items to SOURCE will not trigger any refreshes or UI action.
@@ -147,8 +147,8 @@ namespace LibationAvalonia.ViewModels
 		private void GridEntries_CollectionChanged(object? sender = null, EventArgs? e = null)
 		{
 			var count
-				= FilteredInGridEntries?.OfType<ILibraryBookEntry>().Count()
+				= FilteredInGridEntries?.OfType<LibraryBookEntry>().Count()
-				?? SOURCE.OfType<ILibraryBookEntry>().Count();
+				?? SOURCE.OfType<LibraryBookEntry>().Count();
 
 			VisibleCountChanged?.Invoke(this, count);
 		}
@@ -223,9 +223,9 @@ namespace LibationAvalonia.ViewModels
 			GridEntries_CollectionChanged();
 		}
 
-		private void RemoveBooks(IEnumerable<ILibraryBookEntry> removedBooks, IEnumerable<ISeriesEntry> removedSeries)
+		private void RemoveBooks(IEnumerable<LibraryBookEntry> removedBooks, IEnumerable<SeriesEntry> removedSeries)
 		{
-			foreach (var removed in removedBooks.Cast<IGridEntry>().Concat(removedSeries).Where(b => b is not null).ToList())
+			foreach (var removed in removedBooks.Cast<GridEntry>().Concat(removedSeries).Where(b => b is not null).ToList())
 			{
 				if (GridEntries?.PassesFilter(removed) ?? false)
 					GridEntries.Remove(removed);
@@ -238,21 +238,21 @@ namespace LibationAvalonia.ViewModels
 			}
 		}
 
-		private void UpsertBook(LibraryBook book, ILibraryBookEntry? existingBookEntry)
+		private void UpsertBook(LibraryBook book, LibraryBookEntry? existingBookEntry)
 		{
 			if (existingBookEntry is null)
 				// Add the new product to top
-				SOURCE.Insert(0, new LibraryBookEntry<AvaloniaEntryStatus>(book));
+				SOURCE.Insert(0, new LibraryBookEntry(book));
 			else
 				// update existing
 				existingBookEntry.UpdateLibraryBook(book);
 		}
 
-		private void UpsertEpisode(LibraryBook episodeBook, ILibraryBookEntry? existingEpisodeEntry, List<ISeriesEntry> seriesEntries, IEnumerable<LibraryBook> dbBooks)
+		private void UpsertEpisode(LibraryBook episodeBook, LibraryBookEntry? existingEpisodeEntry, List<SeriesEntry> seriesEntries, IEnumerable<LibraryBook> dbBooks)
 		{
 			if (existingEpisodeEntry is null)
 			{
-				ILibraryBookEntry episodeEntry;
+				LibraryBookEntry episodeEntry;
 
 				var seriesEntry = seriesEntries.FindSeriesParent(episodeBook);
 
@@ -270,7 +270,7 @@ namespace LibationAvalonia.ViewModels
 						return;
 					}
 
-					seriesEntry = new SeriesEntry<AvaloniaEntryStatus>(seriesBook, episodeBook);
+					seriesEntry = new SeriesEntry(seriesBook, episodeBook);
 					seriesEntries.Add(seriesEntry);
 
 					episodeEntry = seriesEntry.Children[0];
@@ -280,7 +280,7 @@ namespace LibationAvalonia.ViewModels
 				else
 				{
 					//Series exists. Create and add episode child then update the SeriesEntry
-					episodeEntry = new LibraryBookEntry<AvaloniaEntryStatus>(episodeBook, seriesEntry);
+					episodeEntry = new LibraryBookEntry(episodeBook, seriesEntry);
 					seriesEntry.Children.Add(episodeEntry);
 					seriesEntry.Children.Sort((c1, c2) => c1.SeriesIndex.CompareTo(c2.SeriesIndex));
 					var seriesBook = dbBooks.Single(lb => lb.Book.AudibleProductId == seriesEntry.LibraryBook.Book.AudibleProductId);
@@ -307,7 +307,7 @@ namespace LibationAvalonia.ViewModels
 			}
 		}
 
-		public async Task ToggleSeriesExpanded(ISeriesEntry seriesEntry)
+		public async Task ToggleSeriesExpanded(SeriesEntry seriesEntry)
 		{
 			seriesEntry.Liberate.Expanded = !seriesEntry.Liberate.Expanded;
 
@@ -332,7 +332,7 @@ namespace LibationAvalonia.ViewModels
 
 		private bool CollectionFilter(object item)
 		{
-			if (item is ILibraryBookEntry lbe
+			if (item is LibraryBookEntry lbe
 				&& lbe.Liberate.IsEpisode
 				&& lbe.Parent?.Liberate?.Expanded != true)
 				return false;
@@ -454,7 +454,7 @@ namespace LibationAvalonia.ViewModels
 
 		private void GridEntry_PropertyChanged(object? sender, PropertyChangedEventArgs? e)
 		{
-			if (e?.PropertyName == nameof(IGridEntry.Remove) && sender is ILibraryBookEntry)
+			if (e?.PropertyName == nameof(GridEntry.Remove) && sender is LibraryBookEntry)
 			{
 				int removeCount = GetAllBookEntries().Count(lbe => lbe.Remove is true);
 				RemovableCountChanged?.Invoke(this, removeCount);

Source/LibationAvalonia/ViewModels/RowComparer.cs

@@ -17,7 +17,7 @@ namespace LibationAvalonia.ViewModels
 		public RowComparer(DataGridColumn? column)
 		{
 			Column = column;
-			PropertyName = Column?.SortMemberPath ?? nameof(IGridEntry.DateAdded);
+			PropertyName = Column?.SortMemberPath ?? nameof(GridEntry.DateAdded);
 		}
 
 		//Avalonia doesn't expose the column's CurrentSortingState, so we must get it through reflection

Source/LibationAvalonia/ViewModels/Settings/ImportantSettingsVM.cs

@@ -57,7 +57,13 @@ namespace LibationAvalonia.ViewModels.Settings
 			config.GridFontScaleFactor = linearRangeToScaleFactor(GridFontScaleFactor);
 			config.GridScaleFactor = linearRangeToScaleFactor(GridScaleFactor);
 		}
-		public void OpenLogFolderButton() => Go.To.Folder(((LongPath)Configuration.Instance.LibationFiles).ShortPathName);
+		public void OpenLogFolderButton()
+		{
+			if (System.IO.File.Exists(LogFileFilter.LogFilePath))
+				Go.To.File(LogFileFilter.LogFilePath);
+			else
+				Go.To.Folder(((LongPath)Configuration.Instance.LibationFiles).ShortPathName);
+		}
 
 		public List<Configuration.KnownDirectories> KnownDirectories { get; } = new()
 		{

Source/LibationAvalonia/Views/LiberateStatusButton.axaml.cs

@@ -53,8 +53,8 @@ namespace LibationAvalonia.Views
 		private void LiberateStatusButton_DataContextChanged(object sender, EventArgs e)
 		{
 			//Force book status recheck when an entry is scrolled into view.
-			//This will force a recheck for a paprtially downloaded file.
+			//This will force a recheck for a partially downloaded file.
-			var status = DataContext as ILibraryBookEntry;
+			var status = DataContext as LibraryBookEntry;
 			status?.Liberate.Invalidate(nameof(status.Liberate.BookStatus));
 		}
 

Source/LibationAvalonia/Views/MainWindow.axaml.cs

@@ -22,7 +22,7 @@ namespace LibationAvalonia.Views
 		public MainWindow()
 		{
 			DataContext = new MainVM(this);
-			ApiExtended.LoginChoiceFactory = account => new Dialogs.Login.AvaloniaLoginChoiceEager(account);
+			ApiExtended.LoginChoiceFactory = account => Dispatcher.UIThread.Invoke(() => new Dialogs.Login.AvaloniaLoginChoiceEager(account));
 
 			AudibleApiStorage.LoadError += AudibleApiStorage_LoadError;
 			InitializeComponent();
@@ -137,7 +137,7 @@ namespace LibationAvalonia.Views
 		}
 
 		public void ProductsDisplay_LiberateClicked(object _, LibraryBook[] libraryBook) => ViewModel.LiberateClicked(libraryBook);
-		public void ProductsDisplay_LiberateSeriesClicked(object _, ISeriesEntry series) => ViewModel.LiberateSeriesClicked(series);
+		public void ProductsDisplay_LiberateSeriesClicked(object _, SeriesEntry series) => ViewModel.LiberateSeriesClicked(series);
 		public void ProductsDisplay_ConvertToMp3Clicked(object _, LibraryBook[] libraryBook) => ViewModel.ConvertToMp3Clicked(libraryBook);
 
 		BookDetailsDialog bookDetailsForm;

Source/LibationAvalonia/Views/ProcessBookControl.axaml

@@ -2,7 +2,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-			 xmlns:vm="clr-namespace:LibationAvalonia.ViewModels"
+			 xmlns:vm="clr-namespace:LibationUiBase.ProcessQueue;assembly=LibationUiBase"
 			 xmlns:views="clr-namespace:LibationAvalonia.Views"
 			 x:DataType="vm:ProcessBookViewModel"
              mc:Ignorable="d" d:DesignWidth="400" d:DesignHeight="87" MaxHeight="87" MinHeight="87" MinWidth="300"

Source/LibationAvalonia/Views/ProcessBookControl.axaml.cs

@@ -2,7 +2,6 @@ using ApplicationServices;
 using Avalonia;
 using Avalonia.Controls;
 using DataLayer;
-using LibationAvalonia.ViewModels;
 using LibationUiBase;
 using LibationUiBase.ProcessQueue;
 
@@ -31,10 +30,8 @@ namespace LibationAvalonia.Views
 			if (Design.IsDesignMode)
 			{
 				using var context = DbContexts.GetContext();
-				DataContext = new ProcessBookViewModel(
+				ViewModels.MainVM.Configure_NonUI();
-					context.GetLibraryBook_Flat_NoTracking("B017V4IM1G"),
+				DataContext = new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4IM1G"));
-					LogMe.RegisterForm(default(ILogForm))
-					);
 				return;
 			}
 		}
@@ -44,7 +41,7 @@ namespace LibationAvalonia.Views
 		public void Cancel_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
 			=> CancelButtonClicked?.Invoke(DataItem);
 		public void MoveFirst_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
-			=> PositionButtonClicked?.Invoke(DataItem, QueuePosition.Fisrt);
+			=> PositionButtonClicked?.Invoke(DataItem, QueuePosition.First);
 		public void MoveUp_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
 			=> PositionButtonClicked?.Invoke(DataItem, QueuePosition.OneUp);
 		public void MoveDown_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)

Source/LibationAvalonia/Views/ProcessQueueControl.axaml

@@ -34,7 +34,7 @@
 							HorizontalScrollBarVisibility="Disabled"
 							VerticalScrollBarVisibility="Auto"
 							AllowAutoHide="False">
-							<ItemsControl ItemsSource="{Binding Items}">
+							<ItemsControl ItemsSource="{Binding Queue}">
 								<ItemsControl.ItemsPanel>
 									<ItemsPanelTemplate>
 										<VirtualizingStackPanel />

Source/LibationAvalonia/Views/ProcessQueueControl.axaml.cs

@@ -1,9 +1,7 @@
 using ApplicationServices;
-using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Data.Converters;
 using DataLayer;
-using LibationAvalonia.ViewModels;
 using LibationUiBase;
 using LibationUiBase.ProcessQueue;
 using System;
@@ -17,7 +15,7 @@ namespace LibationAvalonia.Views
 {
 	public partial class ProcessQueueControl : UserControl
 	{
-		private TrackedQueue<ProcessBookViewModelBase>? Queue => _viewModel?.Queue;
+		private TrackedQueue<ProcessBookViewModel>? Queue => _viewModel?.Queue;
 		private ProcessQueueViewModel? _viewModel => DataContext as ProcessQueueViewModel;
 
 		public ProcessQueueControl()
@@ -31,48 +29,49 @@ namespace LibationAvalonia.Views
 #if DEBUG
 			if (Design.IsDesignMode)
 			{
+				_ = LibationFileManager.Configuration.Instance.LibationFiles;
+				ViewModels.MainVM.Configure_NonUI();
 				var vm = new ProcessQueueViewModel();
-				var Logger = LogMe.RegisterForm(vm);
 				DataContext = vm;
 				using var context = DbContexts.GetContext();
 				List<ProcessBookViewModel> testList = new()
 				{
-					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4IM1G"), Logger)
+					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4IM1G"))
 					{
 						Result = ProcessBookResult.FailedAbort,
 						Status = ProcessBookStatus.Failed,
 					},
-					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4IWVG"), Logger)
+					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4IWVG"))
 					{
 						Result = ProcessBookResult.FailedSkip,
 						Status = ProcessBookStatus.Failed,
 					},
-					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4JA2Q"), Logger)
+					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4JA2Q"))
 					{
 						Result = ProcessBookResult.FailedRetry,
 						Status = ProcessBookStatus.Failed,
 					},
-					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4NUPO"), Logger)
+					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4NUPO"))
 					{
 						Result = ProcessBookResult.ValidationFail,
 						Status = ProcessBookStatus.Failed,
 					},
-					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4NMX4"), Logger)
+					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4NMX4"))
 					{
 						Result = ProcessBookResult.Cancelled,
 						Status = ProcessBookStatus.Cancelled,
 					},
-					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4NOZ0"), Logger)
+					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4NOZ0"))
 					{
 						Result = ProcessBookResult.Success,
 						Status = ProcessBookStatus.Completed,
 					},
-					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017WJ5ZK6"), Logger)
+					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017WJ5ZK6"))
 					{
 						Result = ProcessBookResult.None,
 						Status = ProcessBookStatus.Working,
 					},
-					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4IM1G"), Logger)
+					new ProcessBookViewModel(context.GetLibraryBook_Flat_NoTracking("B017V4IM1G"))
 					{
 						Result = ProcessBookResult.None,
 						Status = ProcessBookStatus.Queued,

Source/LibationAvalonia/Views/ProductsDisplay.axaml

@@ -59,7 +59,7 @@
 					Width="75">
 
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<CheckBox
 								HorizontalAlignment="Center"
 								IsThreeState="True"
@@ -70,7 +70,7 @@
 
 				<controls:DataGridTemplateColumnExt CanUserResize="False" CanUserSort="True" Header="Liberate" SortMemberPath="Liberate" ClipboardContentBinding="{Binding Liberate.ToolTip}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<views:LiberateStatusButton
 								ToolTip.Tip="{CompiledBinding Liberate.ToolTip}"
 								BookStatus="{CompiledBinding Liberate.BookStatus}"
@@ -85,7 +85,7 @@
 
 				<controls:DataGridTemplateColumnExt CanUserResize="False" CanUserSort="False" Header="Cover" SortMemberPath="Cover" ClipboardContentBinding="{Binding LibraryBook.Book.PictureLarge}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Image Opacity="{CompiledBinding Liberate.Opacity}" Tapped="Cover_Click" Source="{CompiledBinding Cover}" ToolTip.Tip="Click to see full size" />
 						</DataTemplate>
 					</DataGridTemplateColumn.CellTemplate>
@@ -93,7 +93,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Title" MinWidth="10" Width="{Binding TitleWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="Title" ClipboardContentBinding="{Binding Title}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Classes="h1" Text="{CompiledBinding Title}" />
 							</Panel>
@@ -103,7 +103,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Authors" MinWidth="10" Width="{Binding AuthorsWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="Authors" ClipboardContentBinding="{Binding Authors}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Text="{CompiledBinding Authors}" />
 							</Panel>
@@ -113,7 +113,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Narrators" MinWidth="10" Width="{Binding NarratorsWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="Narrators" ClipboardContentBinding="{Binding Narrators}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Text="{CompiledBinding Narrators}" />
 							</Panel>
@@ -123,7 +123,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Length" MinWidth="10" Width="{Binding LengthWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="Length" ClipboardContentBinding="{Binding Length}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Text="{CompiledBinding Length}" />
 							</Panel>
@@ -133,7 +133,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Series" MinWidth="10" Width="{Binding SeriesWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="Series" ClipboardContentBinding="{Binding Series}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Text="{CompiledBinding Series}" />
 							</Panel>
@@ -143,7 +143,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Series&#xA;Order" MinWidth="10" Width="{Binding SeriesOrderWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="SeriesOrder" ClipboardContentBinding="{Binding Series}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Text="{CompiledBinding SeriesOrder}" HorizontalAlignment="Center" />
 							</Panel>
@@ -153,7 +153,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Description" MinWidth="10" Width="{Binding DescriptionWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="Description" ClipboardContentBinding="{Binding Description}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}" Tapped="Description_Click" ToolTip.Tip="Click to see full description" >
 								<TextBlock Text="{CompiledBinding Description}" VerticalAlignment="Top" />
 							</Panel>
@@ -163,7 +163,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Category" MinWidth="10" Width="{Binding CategoryWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="Category" ClipboardContentBinding="{Binding Category}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Text="{CompiledBinding Category}" />
 							</Panel>
@@ -172,7 +172,7 @@
 				</controls:DataGridTemplateColumnExt>
 
 				<controls:DataGridMyRatingColumn
-					x:DataType="uibase:IGridEntry"
+					x:DataType="uibase:GridEntry"
 					Header="Product&#xA;Rating"
 					IsReadOnly="true"
 					MinWidth="10" Width="{Binding ProductRatingWidth, Mode=TwoWay}"
@@ -183,7 +183,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Purchase&#xA;Date" MinWidth="10" Width="{Binding PurchaseDateWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="PurchaseDate" ClipboardContentBinding="{Binding PurchaseDate}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Text="{CompiledBinding PurchaseDate}" />
 							</Panel>
@@ -192,7 +192,7 @@
 				</controls:DataGridTemplateColumnExt>
 
 				<controls:DataGridMyRatingColumn
-					x:DataType="uibase:IGridEntry"
+					x:DataType="uibase:GridEntry"
 					Header="My Rating"
 					IsReadOnly="false"
 					MinWidth="10" Width="{Binding MyRatingWidth, Mode=TwoWay}"
@@ -203,7 +203,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Misc" MinWidth="10" Width="{Binding MiscWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="Misc" ClipboardContentBinding="{Binding Misc}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}">
 								<TextBlock Text="{CompiledBinding Misc}" TextWrapping="WrapWithOverflow" />
 							</Panel>
@@ -213,7 +213,7 @@
 				
 				<controls:DataGridTemplateColumnExt Header="Last&#xA;Download" MinWidth="10" Width="{Binding LastDownloadWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="LastDownload" ClipboardContentBinding="{Binding LastDownload}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Panel Opacity="{CompiledBinding Liberate.Opacity}" ToolTip.Tip="{CompiledBinding LastDownload.ToolTipText}" DoubleTapped="Version_DoubleClick">
 								<TextBlock Text="{CompiledBinding LastDownload}" TextWrapping="WrapWithOverflow" />
 							</Panel>
@@ -223,7 +223,7 @@
 
 				<controls:DataGridTemplateColumnExt Header="Tags" MinWidth="10" Width="{Binding BookTagsWidth, Mode=TwoWay}" CanUserSort="True" SortMemberPath="BookTags" ClipboardContentBinding="{Binding BookTags}">
 					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="uibase:IGridEntry">
+						<DataTemplate x:DataType="uibase:GridEntry">
 							<Button
 								IsVisible="{CompiledBinding !Liberate.IsSeries}"
 								VerticalAlignment="Stretch"

Source/LibationAvalonia/Views/ProductsDisplay.axaml.cs

@@ -26,7 +26,7 @@ namespace LibationAvalonia.Views
 	public partial class ProductsDisplay : UserControl
 	{
 		public event EventHandler<LibraryBook[]>? LiberateClicked;
-		public event EventHandler<ISeriesEntry>? LiberateSeriesClicked;
+		public event EventHandler<SeriesEntry>? LiberateSeriesClicked;
 		public event EventHandler<LibraryBook[]>? ConvertToMp3Clicked;
 		public event EventHandler<LibraryBook>? TagsButtonClicked;
 
@@ -102,7 +102,7 @@ namespace LibationAvalonia.Views
 
 		private void ProductsDisplay_LoadingRow(object sender, DataGridRowEventArgs e)
 		{
-			if (e.Row.DataContext is LibraryBookEntry<AvaloniaEntryStatus> entry && entry.Liberate.IsEpisode)
+			if (e.Row.DataContext is LibraryBookEntry entry && entry.Liberate.IsEpisode)
 				e.Row.DynamicResource(DataGridRow.BackgroundProperty, "SeriesEntryGridBackgroundBrush");
 			else
 				e.Row.DynamicResource(DataGridRow.BackgroundProperty, "SystemRegionColor");
@@ -173,10 +173,10 @@ namespace LibationAvalonia.Views
 			{
 				switch (column.SortMemberPath)
 				{
-					case nameof(IGridEntry.Liberate):
+					case nameof(GridEntry.Liberate):
 						column.Width = new DataGridLength(BaseLiberateWidth * scaleFactor);
 						break;
-					case nameof(IGridEntry.Cover):
+					case nameof(GridEntry.Cover):
 						column.Width = new DataGridLength(BaseCoverWidth * scaleFactor);
 						break;
 				}
@@ -220,7 +220,7 @@ namespace LibationAvalonia.Views
 
 			#region Liberate all Episodes (Single series only)
 
-			if (entries.Length == 1 && entries[0] is ISeriesEntry seriesEntry)
+			if (entries.Length == 1 && entries[0] is SeriesEntry seriesEntry)
 			{
 				args.ContextMenuItems.Add(new MenuItem()
 				{
@@ -253,7 +253,7 @@ namespace LibationAvalonia.Views
 			#endregion
 			#region Locate file (Single book only)
 
-			if (entries.Length == 1 && entries[0] is ILibraryBookEntry entry)
+			if (entries.Length == 1 && entries[0] is LibraryBookEntry entry)
 			{
 				args.ContextMenuItems.Add(new MenuItem
 				{
@@ -301,7 +301,7 @@ namespace LibationAvalonia.Views
 
 			#endregion
 			#region Liberate All (multiple books only)
-			if (entries.OfType<ILibraryBookEntry>().Count() > 1)
+			if (entries.OfType<LibraryBookEntry>().Count() > 1)
 			{
 				args.ContextMenuItems.Add(new MenuItem
 				{
@@ -325,7 +325,7 @@ namespace LibationAvalonia.Views
 
 			#endregion
 			#region Force Re-Download (Single book only)
-			if (entries.Length == 1 && entries[0] is ILibraryBookEntry entry4)
+			if (entries.Length == 1 && entries[0] is LibraryBookEntry entry4)
 			{
 				args.ContextMenuItems.Add(new MenuItem()
 				{
@@ -361,7 +361,7 @@ namespace LibationAvalonia.Views
 				}
 			}
 
-			if (entries.Length == 1 && entries[0] is ILibraryBookEntry entry2)
+			if (entries.Length == 1 && entries[0] is LibraryBookEntry entry2)
 			{
 				args.ContextMenuItems.Add(new MenuItem
 				{
@@ -391,7 +391,7 @@ namespace LibationAvalonia.Views
 			#endregion
 			#region View Bookmarks/Clips (Single book only)
 
-			if (entries.Length == 1 && entries[0] is ILibraryBookEntry entry3 && VisualRoot is Window window)
+			if (entries.Length == 1 && entries[0] is LibraryBookEntry entry3 && VisualRoot is Window window)
 			{
 				args.ContextMenuItems.Add(new MenuItem
 				{
@@ -447,7 +447,7 @@ namespace LibationAvalonia.Views
 			{
 				var itemName = column.SortMemberPath;
 
-				if (itemName == nameof(IGridEntry.Remove))
+				if (itemName == nameof(GridEntry.Remove))
 					continue;
 
 				menuItems.Add
@@ -536,7 +536,7 @@ namespace LibationAvalonia.Views
 			if (sender is not LiberateStatusButton button)
 				return;
 
-			if (button.DataContext is ISeriesEntry sEntry && _viewModel is not null)
+			if (button.DataContext is SeriesEntry sEntry && _viewModel is not null)
 			{
 				await _viewModel.ToggleSeriesExpanded(sEntry);
 
@@ -544,7 +544,7 @@ namespace LibationAvalonia.Views
 				//to the topright cell. Reset focus onto the clicked button's cell.
 				button.Focus();
 			}
-			else if (button.DataContext is ILibraryBookEntry lbEntry)
+			else if (button.DataContext is LibraryBookEntry lbEntry)
 			{
 				LiberateClicked?.Invoke(this, [lbEntry.LibraryBook]);
 			}
@@ -558,13 +558,13 @@ namespace LibationAvalonia.Views
 
 		public void Version_DoubleClick(object sender, Avalonia.Input.TappedEventArgs args)
 		{
-			if (sender is Control panel && panel.DataContext is ILibraryBookEntry lbe && lbe.LastDownload.IsValid)
+			if (sender is Control panel && panel.DataContext is LibraryBookEntry lbe && lbe.LastDownload.IsValid)
 				lbe.LastDownload.OpenReleaseUrl();
 		}
 
 		public void Cover_Click(object sender, Avalonia.Input.TappedEventArgs args)
 		{
-			if (sender is not Image tblock || tblock.DataContext is not IGridEntry gEntry)
+			if (sender is not Image tblock || tblock.DataContext is not GridEntry gEntry)
 				return;
 
 			if (imageDisplayDialog is null || !imageDisplayDialog.IsVisible)
@@ -605,7 +605,7 @@ namespace LibationAvalonia.Views
 
 		public void Description_Click(object sender, Avalonia.Input.TappedEventArgs args)
 		{
-			if (sender is Control tblock && tblock.DataContext is IGridEntry gEntry)
+			if (sender is Control tblock && tblock.DataContext is GridEntry gEntry)
 			{
 				var pt = tblock.PointToScreen(tblock.Bounds.TopRight);
 				var displayWindow = new DescriptionDisplayDialog
@@ -632,7 +632,7 @@ namespace LibationAvalonia.Views
 		{
 			var button = args.Source as Button;
 
-			if (button?.DataContext is ILibraryBookEntry lbEntry)
+			if (button?.DataContext is LibraryBookEntry lbEntry)
 			{
 				TagsButtonClicked?.Invoke(this, lbEntry.LibraryBook);
 			}

Source/LibationFileManager/Configuration.Logging.cs

@@ -1,6 +1,5 @@
 using System;
 using System.ComponentModel;
-using System.Linq;
 using Dinah.Core.Logging;
 using FileManager;
 using Microsoft.Extensions.Configuration;
@@ -10,7 +9,7 @@ using Serilog.Events;
 #nullable enable
 namespace LibationFileManager
 {
-    public partial class Configuration
+	public partial class Configuration
     {
         private IConfigurationRoot? configuration;
 
@@ -19,13 +18,14 @@ namespace LibationFileManager
             configuration = new ConfigurationBuilder()
                 .AddJsonFile(SettingsFilePath, optional: false, reloadOnChange: true)
                 .Build();
-            Log.Logger = new LoggerConfiguration()
+			Log.Logger = new LoggerConfiguration()
-                .ReadFrom.Configuration(configuration)
+				 .ReadFrom.Configuration(configuration)
-                .Destructure.ByTransforming<LongPath>(lp => lp.Path)
+				 .Destructure.ByTransforming<LongPath>(lp => lp.Path)
-                .CreateLogger();
+				 .Destructure.With<LogFileFilter>()
-        }
+                 .CreateLogger();
+		}
 
-        [Description("The importance of a log event")]
+		[Description("The importance of a log event")]
         public LogEventLevel LogLevel
         {
             get

Source/LibationFileManager/LogFileFilter.cs

@@ -0,0 +1,113 @@
+using Serilog.Core;
+using Serilog.Events;
+using Serilog.Sinks.File;
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+
+#nullable enable
+namespace LibationFileManager;
+
+/// <summary>
+/// Hooks the file sink to set the log file path for the LogFileFilter.
+/// </summary>
+public class FileSinkHook : FileLifecycleHooks
+{
+	public override Stream OnFileOpened(string path, Stream underlyingStream, Encoding encoding)
+	{
+		LogFileFilter.SetLogFilePath(path);
+		return base.OnFileOpened(path, underlyingStream, encoding);
+	}
+}
+
+
+/// <summary>
+/// Identify log entries which are to be written to files, and save them to a zip file.
+/// 
+/// Files are detected by pattern matching. If the logged type has properties named 'filename' and 'filedata' (case insensitive)
+/// with types string and byte[] respectively, the type is destructured and written to the log zip file.
+/// 
+/// The zip file's name will be derived from the active log file's name, with "_AdditionalFiles.zip" appended.
+/// </summary>
+public class LogFileFilter : IDestructuringPolicy
+{
+	private static readonly object lockObj = new();
+	public static string? ZipFilePath { get; private set; }
+	public static string? LogFilePath { get; private set; }
+	public static void SetLogFilePath(string? logFilePath)
+	{
+		lock(lockObj)
+		{
+			(LogFilePath, ZipFilePath)
+				= File.Exists(logFilePath) && Path.GetDirectoryName(logFilePath) is string logDir
+				? (logFilePath, Path.Combine(logDir, $"{Path.GetFileNameWithoutExtension(logFilePath)}_AdditionalFiles.zip"))
+				: (null, null);
+		}
+	}
+
+	private static bool TrySaveLogFile(ref string filename, byte[] fileData, CompressionLevel compression)
+	{
+		try
+		{
+			lock (lockObj)
+			{
+				if (string.IsNullOrEmpty(ZipFilePath))
+					return false;
+
+				using var archive = new ZipArchive(File.Open(ZipFilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite), ZipArchiveMode.Update, false, Encoding.UTF8);
+				filename = GetUniqueEntryName(archive, filename);
+
+				var entry = archive.CreateEntry(filename, compression);
+				using var entryStream = entry.Open();
+				entryStream.Write(fileData);
+			}
+
+			return true;
+		}
+		catch
+		{
+			return false;
+		}
+	}
+
+	private static string GetUniqueEntryName(ZipArchive archive, string filename)
+	{
+		var entryFileName = filename;
+		for (int i = 1; archive.Entries.Any(e => e.Name == entryFileName); i++)
+		{
+			entryFileName = $"{Path.GetFileNameWithoutExtension(filename)}_({i++}){Path.GetExtension(filename)}";
+		}
+		return entryFileName;
+	}
+
+	public bool TryDestructure(object value, ILogEventPropertyValueFactory propertyValueFactory, [NotNullWhen(true)] out LogEventPropertyValue? result)
+	{
+		if (value?.GetType().GetProperties() is PropertyInfo[] properties && properties.Length >= 2
+			&& properties.FirstOrDefault(p => p.Name.Equals("filename", StringComparison.InvariantCultureIgnoreCase)) is PropertyInfo filenameProperty && filenameProperty.PropertyType == typeof(string)
+			&& properties.FirstOrDefault(p => p.Name.Equals("fileData", StringComparison.InvariantCultureIgnoreCase)) is PropertyInfo fileDataProperty && fileDataProperty.PropertyType == typeof(byte[]))
+		{
+			var filename = filenameProperty.GetValue(value) as string;
+			var fileData = fileDataProperty.GetValue(value) as byte[];
+
+			if (filename != null && fileData != null && fileData.Length > 0)
+			{
+				var compressionProperty = properties.FirstOrDefault(f => f.PropertyType == typeof(CompressionLevel));
+				var compression = compressionProperty?.GetValue(value) is CompressionLevel c ? c : CompressionLevel.Fastest;
+
+				result
+				= TrySaveLogFile(ref filename, fileData, compression)
+				? propertyValueFactory.CreatePropertyValue($"Log file '{filename}' saved in {ZipFilePath}")
+				: propertyValueFactory.CreatePropertyValue($"Log file '{filename}' could not be saved in {ZipFilePath ?? "<null_path>"}. File Contents = {Convert.ToBase64String(fileData)}");
+
+				return true;
+			}
+		}
+
+		result = null;
+		return false;
+	}
+}

Source/LibationFileManager/PictureStorage.cs

@@ -4,6 +4,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Net.Http;
+using System.Threading;
 using System.Threading.Tasks;
 
 #nullable enable
@@ -78,13 +79,13 @@ namespace LibationFileManager
 			}
 		}
 
-		public static string GetPicturePathSynchronously(PictureDefinition def)
+		public static string GetPicturePathSynchronously(PictureDefinition def, CancellationToken cancellationToken = default)
         {
-			GetPictureSynchronously(def);
+			GetPictureSynchronously(def, cancellationToken);
 			return getPath(def);
 		}
 
-		public static byte[] GetPictureSynchronously(PictureDefinition def)
+		public static byte[] GetPictureSynchronously(PictureDefinition def, CancellationToken cancellationToken = default)
 		{
 			lock (cacheLocker)
 			{
@@ -94,7 +95,7 @@ namespace LibationFileManager
 					var bytes
 						= File.Exists(path)
 						? File.ReadAllBytes(path)
-						: downloadBytes(def);
+						: downloadBytes(def, cancellationToken);
 					cache[def] = bytes;
 				}
 				return cache[def];
@@ -124,7 +125,7 @@ namespace LibationFileManager
 		}
 
 		private static HttpClient imageDownloadClient { get; } = new HttpClient();
-		private static byte[] downloadBytes(PictureDefinition def)
+		private static byte[] downloadBytes(PictureDefinition def, CancellationToken cancellationToken = default)
 		{
 			if (def.PictureId is null)
 				return GetDefaultImage(def.Size);
@@ -132,7 +133,7 @@ namespace LibationFileManager
 			try
 			{
 				var sizeStr = def.Size == PictureSize.Native ? "" : $"._SL{(int)def.Size}_";
-				var bytes = imageDownloadClient.GetByteArrayAsync("ht" + $"tps://images-na.ssl-images-amazon.com/images/I/{def.PictureId}{sizeStr}.jpg").Result;
+				var bytes = imageDownloadClient.GetByteArrayAsync("ht" + $"tps://images-na.ssl-images-amazon.com/images/I/{def.PictureId}{sizeStr}.jpg", cancellationToken).Result;
 
 				// save image file. make sure to not save default image
 				var path = getPath(def);

Source/LibationFileManager/WindowsDirectory.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace LibationFileManager
@@ -10,7 +11,7 @@ namespace LibationFileManager
     public static class WindowsDirectory
     {
 
-        public static void SetCoverAsFolderIcon(string pictureId, string directory)
+        public static void SetCoverAsFolderIcon(string pictureId, string directory, CancellationToken cancellationToken)
         {
             try
             {
@@ -19,9 +20,8 @@ namespace LibationFileManager
                     return;
 
                 // get path of cover art in Images dir. Download first if not exists
-                var coverArtPath = PictureStorage.GetPicturePathSynchronously(new(pictureId, PictureSize._300x300));
+                var coverArtPath = PictureStorage.GetPicturePathSynchronously(new(pictureId, PictureSize._300x300), cancellationToken);
-
+				InteropFactory.Create().SetFolderIcon(image: coverArtPath, directory: directory);
-                InteropFactory.Create().SetFolderIcon(image: coverArtPath, directory: directory);
             }
             catch (Exception ex)
             {

Source/LibationUiBase/BaseUtil.cs

@@ -1,13 +1,35 @@
 using LibationFileManager;
 using System;
 
+#nullable enable
 namespace LibationUiBase
 {
 	public static class BaseUtil
 	{
 		/// <summary>A delegate that loads image bytes into the the UI framework's image format.</summary>
-		public static Func<byte[], PictureSize, object> LoadImage { get; private set; }
+		public static Func<byte[], PictureSize, object?> LoadImage => s_LoadImage ?? DefaultLoadImageImpl;
-		public static void SetLoadImageDelegate(Func<byte[], PictureSize, object> tryLoadImage)
+
-			=> LoadImage = tryLoadImage;
+		/// <summary>A delegate that loads a named resource into the the UI framework's image format.</summary>
+		public static Func<string, object?> LoadResourceImage => s_LoadResourceImage ?? DefaultLoadResourceImageImpl;
+
+		public static void SetLoadImageDelegate(Func<byte[], PictureSize, object?> tryLoadImage)
+			=> s_LoadImage = tryLoadImage;
+		public static void SetLoadResourceImageDelegate(Func<string, object?> tryLoadResourceImage)
+			=> s_LoadResourceImage = tryLoadResourceImage;
+
+		private static Func<byte[], PictureSize, object?>? s_LoadImage;
+		private static Func<string, object?>? s_LoadResourceImage;
+
+		private static object? DefaultLoadImageImpl(byte[] imageBytes, PictureSize size)
+		{
+			Serilog.Log.Error("{LoadImage} called without a delegate set. Picture size: {PictureSize}", nameof(LoadImage), size);
+			return null;
+		}
+
+		private static object? DefaultLoadResourceImageImpl(string resourceName)
+		{
+			Serilog.Log.Error("{LoadResourceImage} called without a delegate set. Resource name: {ResourceName}", nameof(LoadResourceImage), resourceName);
+			return null;
+		}
 	}
 }

Source/LibationUiBase/GridView/EntryStatus.cs

@@ -1,22 +1,15 @@
 using ApplicationServices;
 using DataLayer;
 using Dinah.Core;
-using Dinah.Core.Threading;
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
 
 namespace LibationUiBase.GridView
 {
-	public interface IEntryStatus
-	{
-		static abstract EntryStatus Create(LibraryBook libraryBook);
-	}
-
 	//This Class holds all book entry status info to help the grid properly render entries.
 	//The reason this info is in here instead of GridEntry is because all of this info is needed
 	//for the "Liberate" column's display and sorting functions.
-	public abstract class EntryStatus : ReactiveObject, IComparable
+	public class EntryStatus : ReactiveObject, IComparable
 	{
 		public LiberatedStatus? PdfStatus => LibraryCommands.Pdf_Status(Book);
 		public LiberatedStatus BookStatus
@@ -70,7 +63,7 @@ namespace LibationUiBase.GridView
 		private readonly bool isAbsent;
 		private static readonly Dictionary<string, object> iconCache = new();
 
-		protected EntryStatus(LibraryBook libraryBook)
+		internal EntryStatus(LibraryBook libraryBook)
 		{
 			Book = ArgumentValidator.EnsureNotNull(libraryBook, nameof(libraryBook)).Book;
 			isAbsent = libraryBook.AbsentFromLastScan is true;
@@ -78,9 +71,6 @@ namespace LibationUiBase.GridView
 			IsSeries = Book.ContentType is ContentType.Parent;
 		}
 
-		internal protected abstract object LoadImage(byte[] picture);
-		protected abstract object GetResourceImage(string rescName);
-
 		/// <summary>Refresh BookStatus (so partial download files are checked again in the filesystem) and raise PropertyChanged for property names.</summary>
 		public void Invalidate(params string[] properties)
 		{
@@ -179,7 +169,7 @@ namespace LibationUiBase.GridView
 		private object GetAndCacheResource(string rescName)
 		{
 			if (!iconCache.ContainsKey(rescName))
-				iconCache[rescName] = GetResourceImage(rescName);
+				iconCache[rescName] = BaseUtil.LoadResourceImage(rescName);
 			return iconCache[rescName];
 		}
 	}

Source/LibationUiBase/GridView/GridContextMenu.cs

@@ -29,17 +29,17 @@ public class GridContextMenu
 	public string ViewBookmarksText => $"View {Accelerator}Bookmarks/Clips";
 	public string ViewSeriesText => GridEntries[0].Liberate.IsSeries ? "View All Episodes in Series" : "View All Books in Series";
 
-	public bool LiberateEpisodesEnabled => GridEntries.OfType<ISeriesEntry>().Any(sEntry => sEntry.Children.Any(c => c.Liberate.BookStatus is LiberatedStatus.NotLiberated or LiberatedStatus.PartialDownload));
+	public bool LiberateEpisodesEnabled => GridEntries.OfType<SeriesEntry>().Any(sEntry => sEntry.Children.Any(c => c.Liberate.BookStatus is LiberatedStatus.NotLiberated or LiberatedStatus.PartialDownload));
 	public bool SetDownloadedEnabled => LibraryBookEntries.Any(ge => ge.Book.UserDefinedItem.BookStatus != LiberatedStatus.Liberated || ge.Liberate.IsSeries);
 	public bool SetNotDownloadedEnabled => LibraryBookEntries.Any(ge => ge.Book.UserDefinedItem.BookStatus != LiberatedStatus.NotLiberated || ge.Liberate.IsSeries);
 	public bool ConvertToMp3Enabled => LibraryBookEntries.Any(ge => ge.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated);
 	public bool ReDownloadEnabled => LibraryBookEntries.Any(ge => ge.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated);
 
-	private IGridEntry[] GridEntries { get; }
+	private GridEntry[] GridEntries { get; }
-	public ILibraryBookEntry[] LibraryBookEntries { get; }
+	public LibraryBookEntry[] LibraryBookEntries { get; }
 	public char Accelerator { get; }
 
-	public GridContextMenu(IGridEntry[] gridEntries, char accelerator)
+	public GridContextMenu(GridEntry[] gridEntries, char accelerator)
 	{
 		ArgumentNullException.ThrowIfNull(gridEntries, nameof(gridEntries));
 		ArgumentOutOfRangeException.ThrowIfZero(gridEntries.Length, $"{nameof(gridEntries)}.{nameof(gridEntries.Length)}");
@@ -48,9 +48,9 @@ public class GridContextMenu
 		Accelerator = accelerator;
 		LibraryBookEntries
 			= GridEntries
-			.OfType<ISeriesEntry>()
+			.OfType<SeriesEntry>()
 			.SelectMany(s => s.Children)
-			.Concat(GridEntries.OfType<ILibraryBookEntry>())
+			.Concat(GridEntries.OfType<LibraryBookEntry>())
 			.ToArray();
 	}
 

Source/LibationUiBase/GridView/GridEntry[TStatus].cs

@@ -1,7 +1,6 @@
 using ApplicationServices;
 using DataLayer;
 using Dinah.Core;
-using Dinah.Core.Threading;
 using FileLiberator;
 using LibationFileManager;
 using System;
@@ -9,7 +8,7 @@ using System.Collections;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
-using System.Runtime.CompilerServices;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace LibationUiBase.GridView
@@ -22,7 +21,7 @@ namespace LibationUiBase.GridView
 	}
 
 	/// <summary>The View Model base for the DataGridView</summary>
-	public abstract class GridEntry<TStatus> : ReactiveObject, IGridEntry where TStatus : IEntryStatus
+	public abstract class GridEntry : ReactiveObject
 	{
 		[Browsable(false)] public string AudibleProductId => Book.AudibleProductId;
 		[Browsable(false)] public LibraryBook LibraryBook { get; protected set; }
@@ -101,7 +100,7 @@ namespace LibationUiBase.GridView
 			LibraryBook = libraryBook;
 
 			var expanded = Liberate?.Expanded ?? false;
-			Liberate = TStatus.Create(libraryBook);
+			Liberate = new EntryStatus(libraryBook);
 			Liberate.Expanded = expanded;
 
 			Title = Book.TitleWithSubtitle;
@@ -240,7 +239,7 @@ namespace LibationUiBase.GridView
 				PictureStorage.PictureCached += PictureStorage_PictureCached;
 
 			// Mutable property. Set the field so PropertyChanged isn't fired.
-			_lazyCover = new Lazy<object>(() => Liberate.LoadImage(picture));
+			_lazyCover = new Lazy<object>(() => BaseUtil.LoadImage(picture, PictureSize._80x80));
 		}
 
 		private void PictureStorage_PictureCached(object sender, PictureCachedEventArgs e)
@@ -254,7 +253,7 @@ namespace LibationUiBase.GridView
 			// logic validation
 			if (e.Definition.PictureId == Book.PictureId)
 			{
-				_lazyCover = new Lazy<object>(() => Liberate.LoadImage(e.Picture));
+				_lazyCover = new Lazy<object>(() => BaseUtil.LoadImage(e.Picture, PictureSize._80x80));
 				RaisePropertyChanged(nameof(Cover));
 				PictureStorage.PictureCached -= PictureStorage_PictureCached;
 			}
@@ -311,6 +310,35 @@ namespace LibationUiBase.GridView
 
 		#endregion
 
+		/// <summary>
+		/// Creates <see cref="GridEntry"/> for all non-episode books in an enumeration of <see cref="DataLayer.LibraryBook"/>.
+		/// </summary>
+		/// <remarks>Can be called from any thread, but requires the calling thread's <see cref="SynchronizationContext.Current"/> to be valid.</remarks>
+		public static  async Task<List<TEntry>> GetAllProductsAsync<TEntry>(IEnumerable<LibraryBook> libraryBooks, Func<LibraryBook, bool> includeIf, Func<LibraryBook, TEntry> factory)
+			where TEntry : GridEntry
+		{
+			var products = libraryBooks.Where(includeIf).ToArray();
+			if (products.Length == 0)
+				return [];
+
+			int parallelism = int.Max(1, Environment.ProcessorCount - 1);
+
+			(int batchSize, int rem) = int.DivRem(products.Length, parallelism);
+			if (rem != 0) batchSize++;
+
+			var syncContext = SynchronizationContext.Current;
+
+			//Asynchronously create a GridEntry for every book in the library
+			var tasks = products.Chunk(batchSize).Select(batch => Task.Run(() =>
+			{
+				SynchronizationContext.SetSynchronizationContext(syncContext);
+				return batch.Select(factory).OfType<TEntry>().ToArray();
+			}));
+
+			return (await Task.WhenAll(tasks)).SelectMany(a => a).ToList();
+		}
+
+
 		~GridEntry()
 		{
 			PictureStorage.PictureCached -= PictureStorage_PictureCached;

Source/LibationUiBase/GridView/IGridEntry.cs

@@ -1,34 +0,0 @@
-using DataLayer;
-using Dinah.Core.DataBinding;
-using System;
-using System.ComponentModel;
-
-namespace LibationUiBase.GridView
-{
-	public interface IGridEntry : IMemberComparable, INotifyPropertyChanged
-	{
-		EntryStatus Liberate { get; }
-		float SeriesIndex { get; }
-		string AudibleProductId { get; }
-		LibraryBook LibraryBook { get; }
-		Book Book { get; }
-		DateTime DateAdded { get; }
-		bool? Remove { get; set; }
-		string PurchaseDate { get; }
-		object Cover { get; }
-		string Length { get; }
-		LastDownloadStatus LastDownload { get; }
-		string Series { get; }
-		SeriesOrder SeriesOrder { get; }
-		string Title { get; }
-		string Authors { get; }
-		string Narrators { get; }
-		string Category { get; }
-		string Misc { get; }
-		string Description { get; }
-		Rating ProductRating { get; }
-		Rating MyRating { get; set; }
-		string BookTags { get; }
-		void UpdateLibraryBook(LibraryBook libraryBook);
-	}
-}

Source/LibationUiBase/GridView/ILibraryBookEntry.cs

@@ -1,7 +0,0 @@
-namespace LibationUiBase.GridView
-{
-	public interface ILibraryBookEntry : IGridEntry
-	{
-		ISeriesEntry Parent { get; }
-	}
-}

Source/LibationUiBase/GridView/ISeriesEntry.cs

@@ -1,11 +0,0 @@
-using System.Collections.Generic;
-
-namespace LibationUiBase.GridView
-{
-	public interface ISeriesEntry : IGridEntry
-	{
-		List<ILibraryBookEntry> Children { get; }
-		void ChildRemoveUpdate();
-		void RemoveChild(ILibraryBookEntry libraryBookEntry);
-	}
-}

Source/LibationUiBase/GridView/LibraryBookEntry.cs

@@ -0,0 +1,43 @@
+using DataLayer;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Threading.Tasks;
+
+namespace LibationUiBase.GridView
+{
+	/// <summary>The View Model for a LibraryBook that is ContentType.Product or ContentType.Episode</summary>
+	public class LibraryBookEntry : GridEntry
+	{
+		[Browsable(false)] public override DateTime DateAdded => LibraryBook.DateAdded;
+		[Browsable(false)] public SeriesEntry Parent { get; }
+
+		public override bool? Remove
+		{
+			get => remove;
+			set
+			{
+				remove = value ?? false;
+
+				Parent?.ChildRemoveUpdate();
+				RaisePropertyChanged(nameof(Remove));
+			}
+		}
+
+		public LibraryBookEntry(LibraryBook libraryBook, SeriesEntry parent = null)
+		{
+			Parent = parent;
+			UpdateLibraryBook(libraryBook);
+			LoadCover();
+		}
+
+		/// <summary>
+		/// Creates <see cref="LibraryBookEntry{TStatus}"/> for all non-episode books in an enumeration of <see cref="LibraryBook"/>.
+		/// </summary>
+		/// <remarks>Can be called from any thread, but requires the calling thread's <see cref="System.Threading.SynchronizationContext.Current"/> to be valid.</remarks>
+		public static async Task<List<GridEntry>> GetAllProductsAsync(IEnumerable<LibraryBook> libraryBooks)
+			=> await GetAllProductsAsync(libraryBooks, lb => lb.Book.IsProduct(), lb => new LibraryBookEntry(lb) as GridEntry);
+
+		protected override string GetBookTags() => string.Join("\r\n", Book.UserDefinedItem.TagsEnumerated);
+	}
+}

Source/LibationUiBase/GridView/LibraryBookEntry[TStatus].cs

@@ -1,65 +0,0 @@
-using DataLayer;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Threading.Tasks;
-using System.Threading;
-using System.Linq;
-
-namespace LibationUiBase.GridView
-{
-	/// <summary>The View Model for a LibraryBook that is ContentType.Product or ContentType.Episode</summary>
-	public class LibraryBookEntry<TStatus> : GridEntry<TStatus>, ILibraryBookEntry where TStatus : IEntryStatus
-	{
-		[Browsable(false)] public override DateTime DateAdded => LibraryBook.DateAdded;
-		[Browsable(false)] public ISeriesEntry Parent { get; }
-
-		public override bool? Remove
-		{
-			get => remove;
-			set
-			{
-				remove = value ?? false;
-
-				Parent?.ChildRemoveUpdate();
-				RaisePropertyChanged(nameof(Remove));
-			}
-		}
-
-		public LibraryBookEntry(LibraryBook libraryBook, ISeriesEntry parent = null)
-		{
-			Parent = parent;
-			UpdateLibraryBook(libraryBook);
-			LoadCover();
-		}
-
-		/// <summary>
-		/// Creates <see cref="LibraryBookEntry{TStatus}"/> for all non-episode books in an enumeration of <see cref="LibraryBook"/>.
-		/// </summary>
-		/// <remarks>Can be called from any thread, but requires the calling thread's <see cref="SynchronizationContext.Current"/> to be valid.</remarks>
-		public static async Task<List<IGridEntry>> GetAllProductsAsync(IEnumerable<LibraryBook> libraryBooks)
-		{
-			var products = libraryBooks.Where(lb => lb.Book.IsProduct()).ToArray();
-			if (products.Length == 0)
-				return [];
-
-			int parallelism = int.Max(1, Environment.ProcessorCount - 1);
-
-			(int batchSize, int rem) = int.DivRem(products.Length, parallelism);
-			if (rem != 0) batchSize++;
-
-			var syncContext = SynchronizationContext.Current;
-
-			//Asynchronously create an ILibraryBookEntry for every book in the library
-			var tasks = products.Chunk(batchSize).Select(batch => Task.Run(() =>
-			{
-				SynchronizationContext.SetSynchronizationContext(syncContext);
-				return batch.Select(lb => new LibraryBookEntry<TStatus>(lb) as IGridEntry);
-			}));
-
-			return (await Task.WhenAll(tasks)).SelectMany(a => a).ToList();
-		}
-
-		protected override string GetBookTags() => string.Join("\r\n", Book.UserDefinedItem.TagsEnumerated);
-	}
-}

Source/LibationUiBase/GridView/QueryExtensions.cs

@@ -10,19 +10,19 @@ namespace LibationUiBase.GridView
 #nullable enable
 	public static class QueryExtensions
 	{
-		public static IEnumerable<ILibraryBookEntry> BookEntries(this IEnumerable<IGridEntry> gridEntries)
+		public static IEnumerable<LibraryBookEntry> BookEntries(this IEnumerable<GridEntry> gridEntries)
-			=> gridEntries.OfType<ILibraryBookEntry>();
+			=> gridEntries.OfType<LibraryBookEntry>();
 
-		public static IEnumerable<ISeriesEntry> SeriesEntries(this IEnumerable<IGridEntry> gridEntries)
+		public static IEnumerable<SeriesEntry> SeriesEntries(this IEnumerable<GridEntry> gridEntries)
-			=> gridEntries.OfType<ISeriesEntry>();
+			=> gridEntries.OfType<SeriesEntry>();
 
-		public static T? FindByAsin<T>(this IEnumerable<T> gridEntries, string audibleProductID) where T : IGridEntry
+		public static T? FindByAsin<T>(this IEnumerable<T> gridEntries, string audibleProductID) where T : GridEntry
 			=> gridEntries.FirstOrDefault(i => i.AudibleProductId == audibleProductID);
 
-		public static IEnumerable<ISeriesEntry> EmptySeries(this IEnumerable<IGridEntry> gridEntries)
+		public static IEnumerable<SeriesEntry> EmptySeries(this IEnumerable<GridEntry> gridEntries)
 			=> gridEntries.SeriesEntries().Where(i => i.Children.Count == 0);
 
-		public static ISeriesEntry? FindSeriesParent(this IEnumerable<IGridEntry> gridEntries, LibraryBook seriesEpisode)
+		public static SeriesEntry? FindSeriesParent(this IEnumerable<GridEntry> gridEntries, LibraryBook seriesEpisode)
 		{
 			if (seriesEpisode.Book.SeriesLink is null) return null;
 
@@ -42,14 +42,14 @@ namespace LibationUiBase.GridView
 			}
 		}
 
-		public static bool SearchSetsDiffer(this HashSet<IGridEntry>? searchSet, HashSet<IGridEntry>? otherSet)
+		public static bool SearchSetsDiffer(this HashSet<GridEntry>? searchSet, HashSet<GridEntry>? otherSet)
 			=> searchSet is null != otherSet is null ||
 					(searchSet is not null &&
 					otherSet is not null &&
 					searchSet.Intersect(otherSet).Count() != searchSet.Count);
 
 		[return: NotNullIfNotNull(nameof(searchString))]
-		public static HashSet<IGridEntry>? FilterEntries(this IEnumerable<IGridEntry> entries, string? searchString)
+		public static HashSet<GridEntry>? FilterEntries(this IEnumerable<GridEntry> entries, string? searchString)
 		{
 			if (string.IsNullOrEmpty(searchString))
 				return null;
@@ -59,7 +59,7 @@ namespace LibationUiBase.GridView
 			var booksFilteredIn = entries.IntersectBy(searchResultSet.Docs.Select(d => d.ProductId), l => l.AudibleProductId);
 
 			//Find all series containing children that match the search criteria
-			var seriesFilteredIn = booksFilteredIn.OfType<ILibraryBookEntry>().Where(lbe => lbe.Parent is not null).Select(lbe => lbe.Parent).Distinct();
+			var seriesFilteredIn = booksFilteredIn.OfType<LibraryBookEntry>().Where(lbe => lbe.Parent is not null).Select(lbe => lbe.Parent).Distinct();
 
 			return booksFilteredIn.Concat(seriesFilteredIn).ToHashSet();
 		}

Source/LibationUiBase/GridView/RowComparerBase.cs

@@ -10,16 +10,16 @@ namespace LibationUiBase.GridView
 	/// are sorted by PropertyName while all episodes remain immediately beneath their parents and remain
 	/// sorted by series index, ascending.
 	/// </summary>
-	public abstract class RowComparerBase : IComparer, IComparer<IGridEntry>, IComparer<object>
+	public abstract class RowComparerBase : IComparer, IComparer<GridEntry>, IComparer<object>
 	{
 		public abstract string? PropertyName { get; set; }
 
 		public int Compare(object? x, object? y)
-			=> Compare(x as IGridEntry, y as IGridEntry);
+			=> Compare(x as GridEntry, y as GridEntry);
 
 		protected abstract ListSortDirection GetSortOrder();
 
-		private int InternalCompare(IGridEntry x, IGridEntry y)
+		private int InternalCompare(GridEntry x, GridEntry y)
 		{
 			var val1 = x.GetMemberValue(PropertyName);
 			var val2 = y.GetMemberValue(PropertyName);
@@ -32,7 +32,7 @@ namespace LibationUiBase.GridView
 				: compare;
 		}
 
-		public int Compare(IGridEntry? geA, IGridEntry? geB)
+		public int Compare(GridEntry? geA, GridEntry? geB)
 		{
 			if (geA is null && geB is not null) return -1;
 			if (geA is not null && geB is null) return 1;
@@ -40,12 +40,12 @@ namespace LibationUiBase.GridView
 
 			var sortDirection = GetSortOrder();
 
-			ISeriesEntry? parentA = null;
+			SeriesEntry? parentA = null;
-			ISeriesEntry? parentB = null;
+			SeriesEntry? parentB = null;
 
-			if (geA is ILibraryBookEntry lbA && lbA.Parent is ISeriesEntry seA)
+			if (geA is LibraryBookEntry lbA && lbA.Parent is SeriesEntry seA)
 				parentA = seA;
-			if (geB is ILibraryBookEntry lbB && lbB.Parent is ISeriesEntry seB)
+			if (geB is LibraryBookEntry lbB && lbB.Parent is SeriesEntry seB)
 				parentB = seB;
 
 			//both entries are children
@@ -59,7 +59,7 @@ namespace LibationUiBase.GridView
 					//and DateAdded, compare SeriesOrder instead..
 					return PropertyName switch
 					{
-						nameof(IGridEntry.DateAdded) or nameof(IGridEntry.PurchaseDate) => geA.SeriesOrder.CompareTo(geB.SeriesOrder),
+						nameof(GridEntry.DateAdded) or nameof(GridEntry.PurchaseDate) => geA.SeriesOrder.CompareTo(geB.SeriesOrder),
 						_ => InternalCompare(geA, geB),
 					};
 				}

Source/LibationUiBase/GridView/SeriesEntry.cs

@@ -0,0 +1,106 @@
+using DataLayer;
+using Dinah.Core.Collections.Generic;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace LibationUiBase.GridView
+{
+	/// <summary>The View Model for a LibraryBook that is ContentType.Parent</summary>
+	public class SeriesEntry : GridEntry
+	{
+		public List<LibraryBookEntry> Children { get; }
+		public override DateTime DateAdded => Children.Max(c => c.DateAdded);
+
+		private bool suspendCounting = false;
+		public void ChildRemoveUpdate()
+		{
+			if (suspendCounting) return;
+
+			var removeCount = Children.Count(c => c.Remove == true);
+
+			remove = removeCount == 0 ? false : removeCount == Children.Count ? true : null;
+			RaisePropertyChanged(nameof(Remove));
+		}
+
+		public override bool? Remove
+		{
+			get => remove;
+			set
+			{
+				remove = value ?? false;
+
+				suspendCounting = true;
+
+				foreach (var item in Children)
+					item.Remove = value;
+
+				suspendCounting = false;
+				RaisePropertyChanged(nameof(Remove));
+			}
+		}
+
+		public SeriesEntry(LibraryBook parent, LibraryBook child) : this(parent, new[] { child }) { }
+		public SeriesEntry(LibraryBook parent, IEnumerable<LibraryBook> children)
+		{
+			LastDownload = new();
+			SeriesIndex = -1;
+
+			Children = children
+				.Select(c => new LibraryBookEntry(c, this))
+				.OrderByDescending(c => c.SeriesOrder)
+				.ToList<LibraryBookEntry>();
+
+			UpdateLibraryBook(parent);
+			LoadCover();
+		}
+
+		/// <summary>
+		/// Creates <see cref="SeriesEntry{TStatus}"/> for all episodic series in an enumeration of <see cref="LibraryBook"/>.
+		/// </summary>
+		/// <remarks>Can be called from any thread, but requires the calling thread's <see cref="SynchronizationContext.Current"/> to be valid.</remarks>
+		public static async Task<List<SeriesEntry>> GetAllSeriesEntriesAsync(IEnumerable<LibraryBook> libraryBooks)
+		{
+			var seriesEntries = await GetAllProductsAsync(libraryBooks, lb => lb.Book.IsEpisodeParent(), lb => new SeriesEntry(lb, []));
+			var seriesDict = seriesEntries.ToDictionarySafe(s => s.AudibleProductId);
+			await GetAllProductsAsync(libraryBooks, lb => lb.Book.IsEpisodeChild(), CreateAndLinkEpisodeEntry);
+
+			//sort episodes by series order descending and update SeriesEntry
+			foreach (var series in seriesEntries)
+			{
+				series.Children.Sort((a, b) => -a.SeriesOrder.CompareTo(b.SeriesOrder));
+				series.UpdateLibraryBook(series.LibraryBook);
+			}
+
+			return seriesEntries.Where(s => s.Children.Count != 0).ToList();
+
+			//Create a LibraryBookEntry for an episode and link it to its series parent
+			LibraryBookEntry CreateAndLinkEpisodeEntry(LibraryBook episode)
+			{
+				foreach (var s in episode.Book.SeriesLink)
+				{
+					if (seriesDict.TryGetValue(s.Series.AudibleSeriesId, out var seriesParent))
+					{
+						var entry = new LibraryBookEntry(episode, seriesParent);
+						seriesParent.Children.Add(entry);
+						return entry;
+					}
+				}
+				return null;
+			}
+		}
+
+		public void RemoveChild(LibraryBookEntry lbe)
+		{
+			Children.Remove(lbe);
+			PurchaseDate = GetPurchaseDateString();
+			Length = GetBookLengthString();
+		}
+
+		protected override string GetBookTags() => null;
+		protected override int GetLengthInMinutes() => Children.Count == 0 ? 0 : Children.Sum(c => c.LibraryBook.Book.LengthInMinutes);
+		protected override DateTime GetPurchaseDate() => Children.Count == 0 ? default : Children.Min(c => c.LibraryBook.DateAdded);
+	}
+}

Source/LibationUiBase/GridView/SeriesEntry[TStatus].cs

@@ -1,129 +0,0 @@
-using DataLayer;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace LibationUiBase.GridView
-{
-	/// <summary>The View Model for a LibraryBook that is ContentType.Parent</summary>
-	public class SeriesEntry<TStatus> : GridEntry<TStatus>, ISeriesEntry where TStatus : IEntryStatus
-	{
-		public List<ILibraryBookEntry> Children { get; }
-		public override DateTime DateAdded => Children.Max(c => c.DateAdded);
-
-		private bool suspendCounting = false;
-		public void ChildRemoveUpdate()
-		{
-			if (suspendCounting) return;
-
-			var removeCount = Children.Count(c => c.Remove == true);
-
-			remove = removeCount == 0 ? false : removeCount == Children.Count ? true : null;
-			RaisePropertyChanged(nameof(Remove));
-		}
-
-		public override bool? Remove
-		{
-			get => remove;
-			set
-			{
-				remove = value ?? false;
-
-				suspendCounting = true;
-
-				foreach (var item in Children)
-					item.Remove = value;
-
-				suspendCounting = false;
-				RaisePropertyChanged(nameof(Remove));
-			}
-		}
-
-		public SeriesEntry(LibraryBook parent, LibraryBook child) : this(parent, new[] { child }) { }
-		public SeriesEntry(LibraryBook parent, IEnumerable<LibraryBook> children)
-		{
-			LastDownload = new();
-			SeriesIndex = -1;
-
-			Children = children
-				.Select(c => new LibraryBookEntry<TStatus>(c, this))
-				.OrderByDescending(c => c.SeriesOrder)
-				.ToList<ILibraryBookEntry>();
-
-			UpdateLibraryBook(parent);
-			LoadCover();
-		}
-
-		/// <summary>
-		/// Creates <see cref="SeriesEntry{TStatus}"/> for all episodic series in an enumeration of <see cref="LibraryBook"/>.
-		/// </summary>
-		/// <remarks>Can be called from any thread, but requires the calling thread's <see cref="SynchronizationContext.Current"/> to be valid.</remarks>
-		public static async Task<List<ISeriesEntry>> GetAllSeriesEntriesAsync(IEnumerable<LibraryBook> libraryBooks)
-		{
-			var seriesBooks = libraryBooks.Where(lb => lb.Book.IsEpisodeParent()).ToArray();
-			var allEpisodes = libraryBooks.Where(lb => lb.Book.IsEpisodeChild()).ToArray();
-
-			var seriesEntries = new ISeriesEntry[seriesBooks.Length];
-			var seriesEpisodes = new ILibraryBookEntry[seriesBooks.Length][];
-
-			var syncContext = SynchronizationContext.Current;
-			var options = new ParallelOptions { MaxDegreeOfParallelism = int.Max(1, Environment.ProcessorCount - 1) };
-
-			//Asynchronously create an ILibraryBookEntry for every episode in the library
-			await Parallel.ForEachAsync(getAllEpisodes(), options,  createEpisodeEntry);
-
-			//Match all episode entries to their corresponding parents
-			for (int i = seriesEntries.Length - 1; i >= 0; i--)
-			{
-				var series = seriesEntries[i];
-
-				//Sort episodes by series order descending, then add them to their parent's entry
-				Array.Sort(seriesEpisodes[i], (a, b) => -a.SeriesOrder.CompareTo(b.SeriesOrder));
-				series.Children.AddRange(seriesEpisodes[i]);
-				series.UpdateLibraryBook(series.LibraryBook);
-			}
-
-			return seriesEntries.Where(s => s.Children.Count != 0).Cast<ISeriesEntry>().ToList();
-
-			//Create a LibraryBookEntry for a single episode
-			ValueTask createEpisodeEntry((int seriesIndex, int episodeIndex, LibraryBook episode) data, CancellationToken cancellationToken)
-			{
-				SynchronizationContext.SetSynchronizationContext(syncContext);
-				var parent = seriesEntries[data.seriesIndex];
-				seriesEpisodes[data.seriesIndex][data.episodeIndex] = new LibraryBookEntry<TStatus>(data.episode, parent);
-				return ValueTask.CompletedTask;
-			}
-
-			//Enumeration all series episodes, along with the index to its seriesEntries entry
-			//and an index to its seriesEpisodes entry
-			IEnumerable<(int seriesIndex, int episodeIndex, LibraryBook episode)> getAllEpisodes()
-			{
-				for (int i = 0; i < seriesBooks.Length; i++)
-				{
-					var series = seriesBooks[i];
-					var childEpisodes = allEpisodes.FindChildren(series);
-
-					SynchronizationContext.SetSynchronizationContext(syncContext);
-					seriesEntries[i] = new SeriesEntry<TStatus>(series, []);
-					seriesEpisodes[i] = new ILibraryBookEntry[childEpisodes.Count];
-
-					for (int j = 0; j < childEpisodes.Count; j++)
-						yield return (i, j, childEpisodes[j]);
-				}
-			}
-		}
-
-		public void RemoveChild(ILibraryBookEntry lbe)
-		{
-			Children.Remove(lbe);
-			PurchaseDate = GetPurchaseDateString();
-			Length = GetBookLengthString();
-		}
-
-		protected override string GetBookTags() => null;
-		protected override int GetLengthInMinutes() => Children.Count == 0 ? 0 : Children.Sum(c => c.LibraryBook.Book.LengthInMinutes);
-		protected override DateTime GetPurchaseDate() => Children.Count == 0 ? default : Children.Min(c => c.LibraryBook.DateAdded);
-	}
-}

Source/LibationUiBase/ILogForm.cs

@@ -1,7 +0,0 @@
-namespace LibationUiBase
-{
-	public interface ILogForm
-	{
-		void WriteLine(string text);
-	}
-}

Source/LibationUiBase/LogMe.cs

@@ -1,56 +0,0 @@
-using System;
-using System.Threading.Tasks;
-
-namespace LibationUiBase
-{
-	// decouple serilog and form. include convenience factory method
-	public class LogMe
-	{
-		public event EventHandler<string> LogInfo;
-		public event EventHandler<string> LogErrorString;
-		public event EventHandler<(Exception, string)> LogError;
-
-		private LogMe()
-		{
-			LogInfo += (_, text) => Serilog.Log.Logger.Information($"Automated backup: {text}");
-			LogErrorString += (_, text) => Serilog.Log.Logger.Error(text);
-			LogError += (_, tuple) => Serilog.Log.Logger.Error(tuple.Item1, tuple.Item2 ?? "Automated backup: error");
-		}
-		private static ILogForm LogForm;
-		public static LogMe RegisterForm<T>(T form) where T : ILogForm
-		{
-			var logMe = new LogMe();
-
-			if (form is null)
-				return logMe;
-
-			LogForm = form;
-
-			logMe.LogInfo += LogMe_LogInfo;
-			logMe.LogErrorString += LogMe_LogErrorString;
-			logMe.LogError += LogMe_LogError;
-
-			return logMe;
-		}
-
-		private static async void LogMe_LogError(object sender, (Exception, string) tuple)
-		{
-			await Task.Run(() => LogForm?.WriteLine(tuple.Item2 ?? "Automated backup: error"));
-			await Task.Run(() => LogForm?.WriteLine("ERROR: " + tuple.Item1.Message));
-		}
-
-		private static async void LogMe_LogErrorString(object sender, string text)
-		{
-			await Task.Run(() => LogForm?.WriteLine(text));
-		}
-
-		private static async void LogMe_LogInfo(object sender, string text)
-		{
-			await Task.Run(() => LogForm?.WriteLine(text));
-		}
-
-		public void Info(string text) => LogInfo?.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));
-	}
-}

Source/LibationUiBase/ProcessQueue/ProcessBookViewModel.cs

@@ -1,4 +1,4 @@
-using ApplicationServices;
+using ApplicationServices;
 using AudibleApi;
 using AudibleApi.Common;
 using DataLayer;
@@ -40,9 +40,8 @@ public enum ProcessBookStatus
 /// <summary>
 /// This is the viewmodel for queued processables
 /// </summary>
-public abstract class ProcessBookViewModelBase : ReactiveObject
+public class ProcessBookViewModel : ReactiveObject
 {
-	private readonly LogMe Logger;
 	public LibraryBook LibraryBook { get; protected set; }
 
 	private ProcessBookResult _result = ProcessBookResult.None;
@@ -84,6 +83,21 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 
 	#endregion
 
+	#region Process Queue Logging
+
+	public event EventHandler<string>? LogWritten;
+	private void OnLogWritten(string text) => LogWritten?.Invoke(this, text.Trim());
+
+	private void LogError(string? message, Exception? ex = null)
+	{
+		OnLogWritten(message ?? "Automated backup: error");
+		if (ex is not null)
+			OnLogWritten("ERROR: " + ex.Message);
+	}
+	private void LogInfo(string text) => OnLogWritten(text);
+
+	#endregion
+
 	protected Processable CurrentProcessable => _currentProcessable ??= Processes.Dequeue().Invoke();
 	protected void NextProcessable() => _currentProcessable = null;
 	private Processable? _currentProcessable;
@@ -91,10 +105,9 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 	/// <summary> A series of Processable actions to perform on this book </summary>
 	protected Queue<Func<Processable>> Processes { get; } = new();
 
-	protected ProcessBookViewModelBase(LibraryBook libraryBook, LogMe logme)
+	public ProcessBookViewModel(LibraryBook libraryBook)
 	{
 		LibraryBook = libraryBook;
-		Logger = logme;
 
 		_title = LibraryBook.Book.TitleWithSubtitle;
 		_author = LibraryBook.Book.AuthorNames();
@@ -106,15 +119,14 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 			PictureStorage.PictureCached += PictureStorage_PictureCached;
 
 		// Mutable property. Set the field so PropertyChanged isn't fired.
-		_cover = LoadImageFromBytes(picture, PictureSize._80x80);
+		_cover = BaseUtil.LoadImage(picture, PictureSize._80x80);
 	}
 
-	protected abstract object? LoadImageFromBytes(byte[] bytes, PictureSize pictureSize);
 	private void PictureStorage_PictureCached(object? sender, PictureCachedEventArgs e)
 	{
 		if (e.Definition.PictureId == LibraryBook.Book.PictureId)
 		{
-			Cover = LoadImageFromBytes(e.Picture, PictureSize._80x80);
+			Cover = BaseUtil.LoadImage(e.Picture, PictureSize._80x80);
 			PictureStorage.PictureCached -= PictureStorage_PictureCached;
 		}
 	}
@@ -133,36 +145,36 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 				result = ProcessBookResult.Success;
 			else if (statusHandler.Errors.Contains("Cancelled"))
 			{
-				Logger.Info($"{procName}:  Process was cancelled - {LibraryBook.Book}");
+				LogInfo($"{procName}:  Process was cancelled - {LibraryBook.Book}");
 				result = ProcessBookResult.Cancelled;
 			}
 			else if (statusHandler.Errors.Contains("Validation failed"))
 			{
-				Logger.Info($"{procName}:  Validation failed - {LibraryBook.Book}");
+				LogInfo($"{procName}:  Validation failed - {LibraryBook.Book}");
 				result = ProcessBookResult.ValidationFail;
 			}
 			else
 			{
 				foreach (var errorMessage in statusHandler.Errors)
-					Logger.Error($"{procName}:  {errorMessage}");
+					LogError($"{procName}:  {errorMessage}");
 			}
 		}
 		catch (ContentLicenseDeniedException ldex)
 		{
 			if (ldex.AYCL?.RejectionReason is null or RejectionReason.GenericError)
 			{
-				Logger.Info($"{procName}:  Content license was denied, but this error appears to be caused by a temporary interruption of service. - {LibraryBook.Book}");
+				LogInfo($"{procName}:  Content license was denied, but this error appears to be caused by a temporary interruption of service. - {LibraryBook.Book}");
 				result = ProcessBookResult.LicenseDeniedPossibleOutage;
 			}
 			else
 			{
-				Logger.Info($"{procName}:  Content license denied. Check your Audible account to see if you have access to this title. - {LibraryBook.Book}");
+				LogInfo($"{procName}:  Content license denied. Check your Audible account to see if you have access to this title. - {LibraryBook.Book}");
 				result = ProcessBookResult.LicenseDenied;
 			}
 		}
 		catch (Exception ex)
 		{
-			Logger.Error(ex, procName);
+			LogError(procName, ex);
 		}
 		finally
 		{
@@ -192,15 +204,15 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 		}
 		catch (Exception ex)
 		{
-			Logger.Error(ex, $"{CurrentProcessable.Name}:  Error while cancelling");
+			LogError($"{CurrentProcessable.Name}:  Error while cancelling", ex);
 		}
 	}
 
-	public ProcessBookViewModelBase AddDownloadPdf() => AddProcessable<DownloadPdf>();
+	public ProcessBookViewModel AddDownloadPdf() => AddProcessable<DownloadPdf>();
-	public ProcessBookViewModelBase AddDownloadDecryptBook() => AddProcessable<DownloadDecryptBook>();
+	public ProcessBookViewModel AddDownloadDecryptBook() => AddProcessable<DownloadDecryptBook>();
-	public ProcessBookViewModelBase AddConvertToMp3() => AddProcessable<ConvertToMp3>();
+	public ProcessBookViewModel AddConvertToMp3() => AddProcessable<ConvertToMp3>();
 
-	private ProcessBookViewModelBase AddProcessable<T>() where T : Processable, new()
+	private ProcessBookViewModel AddProcessable<T>() where T : Processable, new()
 	{
 		Processes.Enqueue(() => new T());
 		return this;
@@ -252,7 +264,7 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 	private void AudioDecodable_AuthorsDiscovered(object? sender, string authors) => Author = authors;
 	private void AudioDecodable_NarratorsDiscovered(object? sender, string narrators) => Narrator = narrators;
 	private void AudioDecodable_CoverImageDiscovered(object? sender, byte[] coverArt)
-		=> Cover = LoadImageFromBytes(coverArt, PictureSize._80x80);
+		=> Cover = BaseUtil.LoadImage(coverArt, PictureSize._80x80);
 
 	private byte[] AudioDecodable_RequestCoverArt(object? sender, EventArgs e)
 	{
@@ -292,7 +304,7 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 		Status = ProcessBookStatus.Working;
 
 		if (sender is Processable processable)
-			Logger.Info($"{Environment.NewLine}{processable.Name} Step, Begin: {libraryBook.Book}");
+			LogInfo($"{Environment.NewLine}{processable.Name} Step, Begin: {libraryBook.Book}");
 
 		Title = libraryBook.Book.TitleWithSubtitle;
 		Author = libraryBook.Book.AuthorNames();
@@ -303,7 +315,7 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 	{
 		if (sender is Processable processable)
 		{
-			Logger.Info($"{processable.Name} Step, Completed: {libraryBook.Book}");
+			LogInfo($"{processable.Name} Step, Completed: {libraryBook.Book}");
 			UnlinkProcessable(processable);
 		}
 
@@ -329,7 +341,7 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 		if (result.HasErrors)
 		{
 			foreach (var errorMessage in result.Errors.Where(e => e != "Validation failed"))
-				Logger.Error(errorMessage);
+				LogError(errorMessage);
 		}
 	}
 
@@ -340,7 +352,7 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 	protected async Task<ProcessBookResult> GetFailureActionAsync(LibraryBook libraryBook)
 	{
 		const DialogResult SkipResult = DialogResult.Ignore;
-		Logger.Error($"ERROR. All books have not been processed. Book failed: {libraryBook.Book}");
+		LogError($"ERROR. All books have not been processed. Book failed: {libraryBook.Book}");
 
 		DialogResult? dialogResult = Configuration.Instance.BadBook switch
 		{
@@ -353,7 +365,7 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 		if (dialogResult == SkipResult)
 		{
 			libraryBook.UpdateBookStatus(LiberatedStatus.Error);
-			Logger.Info($"Error. Skip: [{libraryBook.Book.AudibleProductId}] {libraryBook.Book.TitleWithSubtitle}");
+			LogInfo($"Error. Skip: [{libraryBook.Book.AudibleProductId}] {libraryBook.Book.TitleWithSubtitle}");
 		}
 
 		return dialogResult is SkipResult ? ProcessBookResult.FailedSkip
@@ -411,4 +423,4 @@ public abstract class ProcessBookViewModelBase : ReactiveObject
 	}
 
 	#endregion
-}
+}

Source/LibationUiBase/ProcessQueue/ProcessQueueViewModel.cs

@@ -1,30 +1,32 @@
-using DataLayer;
+using ApplicationServices;
+using DataLayer;
 using LibationUiBase.Forms;
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
-using ApplicationServices;
 using System.Threading.Tasks;
 
 #nullable enable
 namespace LibationUiBase.ProcessQueue;
 
-public abstract class ProcessQueueViewModelBase : ReactiveObject, ILogForm
+public record LogEntry(DateTime LogDate, string LogMessage)
 {
-	public abstract void WriteLine(string text);
+	public string LogDateString => LogDate.ToShortTimeString();
-	protected abstract ProcessBookViewModelBase CreateNewProcessBook(LibraryBook libraryBook);
+}
 
-	public TrackedQueue<ProcessBookViewModelBase> Queue { get; }
+public class ProcessQueueViewModel : ReactiveObject
+{
+	public ObservableCollection<LogEntry> LogEntries { get; } = new();
+	public TrackedQueue<ProcessBookViewModel> Queue { get; } = new();
 	public Task? QueueRunner { get; private set; }
 	public bool Running => !QueueRunner?.IsCompleted ?? false;
-	protected LogMe Logger { get; }
 
-	public ProcessQueueViewModelBase(ICollection<ProcessBookViewModelBase>? underlyingList)
+	public ProcessQueueViewModel()
 	{
-		Logger = LogMe.RegisterForm(this);
-		Queue = new(underlyingList);
 		Queue.QueuedCountChanged += Queue_QueuedCountChanged;
 		Queue.CompletedCountChanged += Queue_CompletedCountChanged;
+		SpeedLimit = LibationFileManager.Configuration.Instance.DownloadSpeedLimit / 1024m / 1024;
 	}
 
 	private int _completedCount;
@@ -32,6 +34,7 @@ public abstract class ProcessQueueViewModelBase : ReactiveObject, ILogForm
 	private int _queuedCount;
 	private string? _runningTime;
 	private bool _progressBarVisible;
+	private decimal _speedLimit;
 
 	public int CompletedCount { get => _completedCount; private set { RaiseAndSetIfChanged(ref _completedCount, value); RaisePropertyChanged(nameof(AnyCompleted)); } }
 	public int QueuedCount { get => _queuedCount; private set { this.RaiseAndSetIfChanged(ref _queuedCount, value); RaisePropertyChanged(nameof(AnyQueued)); } }
@@ -42,6 +45,32 @@ public abstract class ProcessQueueViewModelBase : ReactiveObject, ILogForm
 	public bool AnyQueued => QueuedCount > 0;
 	public bool AnyErrors => ErrorCount > 0;
 	public double Progress => 100d * Queue.Completed.Count / Queue.Count;
+	public decimal SpeedLimitIncrement { get; private set; }
+	public decimal SpeedLimit
+	{
+		get => _speedLimit;
+		set
+		{
+			var newValue = Math.Min(999 * 1024 * 1024, (long)Math.Ceiling(value * 1024 * 1024));
+			var config = LibationFileManager.Configuration.Instance;
+			config.DownloadSpeedLimit = newValue;
+
+			_speedLimit
+				= config.DownloadSpeedLimit <= newValue ? value
+				: value == 0.01m ? config.DownloadSpeedLimit / 1024m / 1024
+				: 0;
+
+			config.DownloadSpeedLimit = (long)(_speedLimit * 1024 * 1024);
+
+			SpeedLimitIncrement = _speedLimit > 100 ? 10
+				: _speedLimit > 10 ? 1
+				: _speedLimit > 1 ? 0.1m
+				: 0.01m;
+
+			RaisePropertyChanged(nameof(SpeedLimitIncrement));
+			RaisePropertyChanged(nameof(SpeedLimit));
+		}
+	}
 
 	private void Queue_CompletedCountChanged(object? sender, int e)
 	{
@@ -59,6 +88,9 @@ public abstract class ProcessQueueViewModelBase : ReactiveObject, ILogForm
 		RaisePropertyChanged(nameof(Progress));
 	}
 
+	private void ProcessBook_LogWritten(object? sender, string logMessage)
+		=> Invoke(() => LogEntries.Add(new(DateTime.Now, logMessage.Trim())));
+
 	#region Add Books to Queue
 
 	public bool QueueDownloadPdf(IList<LibraryBook> libraryBooks)
@@ -124,47 +156,50 @@ public abstract class ProcessQueueViewModelBase : ReactiveObject, ILogForm
 	}
 
 	private bool IsBookInQueue(LibraryBook libraryBook)
-		=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is not ProcessBookViewModelBase entry ? false
+		=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is not ProcessBookViewModel entry ? false
 		: entry.Status is ProcessBookStatus.Cancelled or ProcessBookStatus.Failed ? !Queue.RemoveCompleted(entry)
 		: true;
 
 	private bool RemoveCompleted(LibraryBook libraryBook)
-		=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is ProcessBookViewModelBase entry
+		=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is ProcessBookViewModel entry
 		&& entry.Status is ProcessBookStatus.Completed
 		&& Queue.RemoveCompleted(entry);
 
-	private void AddDownloadPdf(IEnumerable<LibraryBook> entries)
+	private void AddDownloadPdf(IList<LibraryBook> entries)
 	{
 		var procs = entries.Where(e => !IsBookInQueue(e)).Select(Create).ToArray();
 		Serilog.Log.Logger.Information("Queueing {count} books for PDF-only download", procs.Length);
 		AddToQueue(procs);
 
-		ProcessBookViewModelBase Create(LibraryBook entry)
+		ProcessBookViewModel Create(LibraryBook entry)
-			=> CreateNewProcessBook(entry).AddDownloadPdf();
+			=> new ProcessBookViewModel(entry).AddDownloadPdf();
 	}
 
-	private void AddDownloadDecrypt(IEnumerable<LibraryBook> entries)
+	private void AddDownloadDecrypt(IList<LibraryBook> entries)
 	{
 		var procs = entries.Where(e => !IsBookInQueue(e)).Select(Create).ToArray();
 		Serilog.Log.Logger.Information("Queueing {count} books ofr download/decrypt", procs.Length);
 		AddToQueue(procs);
-		
+
-		ProcessBookViewModelBase Create(LibraryBook entry)
+		ProcessBookViewModel Create(LibraryBook entry)
-			=> CreateNewProcessBook(entry).AddDownloadDecryptBook().AddDownloadPdf();
+			=> new ProcessBookViewModel(entry).AddDownloadDecryptBook().AddDownloadPdf();
 	}
 
-	private void AddConvertMp3(IEnumerable<LibraryBook> entries)
+	private void AddConvertMp3(IList<LibraryBook> entries)
 	{
 		var procs = entries.Where(e => !IsBookInQueue(e)).Select(Create).ToArray();
 		Serilog.Log.Logger.Information("Queueing {count} books for mp3 conversion", procs.Length);
 		AddToQueue(procs);
 
-		ProcessBookViewModelBase Create(LibraryBook entry)
+		ProcessBookViewModel Create(LibraryBook entry)
-			=> CreateNewProcessBook(entry).AddConvertToMp3();
+			=> new ProcessBookViewModel(entry).AddConvertToMp3();
 	}
 
-	private void AddToQueue(IEnumerable<ProcessBookViewModelBase> pbook)
+	private void AddToQueue(IList<ProcessBookViewModel> pbook)
 	{
+		foreach (var book in pbook)
+			book.LogWritten += ProcessBook_LogWritten;
+
 		Queue.Enqueue(pbook);
 		if (!Running)
 			QueueRunner = Task.Run(QueueLoop);
@@ -187,7 +222,7 @@ public abstract class ProcessQueueViewModelBase : ReactiveObject, ILogForm
 
 			while (Queue.MoveNext())
 			{
-				if (Queue.Current is not ProcessBookViewModelBase nextBook)
+				if (Queue.Current is not ProcessBookViewModel nextBook)
 				{
 					Serilog.Log.Logger.Information("Current queue item is empty.");
 					continue;

Source/LibationUiBase/TrackedQueue[T].cs

@@ -1,5 +1,7 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
+using System.Collections.Specialized;
 using System.Linq;
 
 #nullable enable
@@ -7,7 +9,7 @@ namespace LibationUiBase
 {
 	public enum QueuePosition
 	{
-		Fisrt,
+		First,
 		OneUp,
 		OneDown,
 		Last,
@@ -22,38 +24,21 @@ namespace LibationUiBase
 	 *   3) the pile of chain at your feet grows by 1 link (Completed)
 	 *   
 	 * The index is the link position from the first link you lifted to the
-	 * last one in the chain.
+	 * last one in the chain. 
-	 * 
-	 * 
-	 * For this to work with Avalonia's ItemsRepeater, it must be an ObservableCollection
-	 * (not merely a Collection with INotifyCollectionChanged, INotifyPropertyChanged). 
-	 * So TrackedQueue maintains 2 copies of the list. The primary copy of the list is
-	 * split into Completed, Current and Queued and is used by ProcessQueue to keep track
-	 * of what's what. The secondary copy is a concatenation of primary's three sources
-	 * and is stored in ObservableCollection.Items.  When the primary list changes, the
-	 * secondary list is cleared and reset to match the primary. 
 	 */
-	public class TrackedQueue<T> where T : class
+	public class TrackedQueue<T> : IReadOnlyCollection<T>, IList, INotifyCollectionChanged where T : class
 	{
 		public event EventHandler<int>? CompletedCountChanged;
 		public event EventHandler<int>? QueuedCountChanged;
+		public event NotifyCollectionChangedEventHandler? CollectionChanged;
 
 		public T? Current { get; private set; }
-
-		public IReadOnlyList<T> Queued => _queued;
 		public IReadOnlyList<T> Completed => _completed;
+		private List<T> Queued { get; } = new();
 
-		private readonly List<T> _queued = new();
 		private readonly List<T> _completed = new();
 		private readonly object lockObject = new();
-
+		private int QueueStartIndex => Completed.Count + (Current is null ? 0 : 1);
-		private readonly ICollection<T>? _underlyingList;
-		public ICollection<T>? UnderlyingList => _underlyingList;
-
-		public TrackedQueue(ICollection<T>? underlyingList = null)
-		{
-			_underlyingList = underlyingList;
-		}
 
 		public T this[int index]
 		{
@@ -61,17 +46,10 @@ namespace LibationUiBase
 			{
 				lock (lockObject)
 				{
-					if (index < _completed.Count)
+					return index < Completed.Count ? Completed[index]
-						return _completed[index];
+						: index == Completed.Count && Current is not null ? Current
-					index -= _completed.Count;
+						: index < Count ? Queued[index - QueueStartIndex]
-
+						: throw new IndexOutOfRangeException();
-					if (index == 0 && Current != null) return Current;
-
-					if (Current != null) index--;
-
-					if (index < _queued.Count) return _queued.ElementAt(index);
-
-					throw new IndexOutOfRangeException();
 				}
 			}
 		}
@@ -82,7 +60,7 @@ namespace LibationUiBase
 			{
 				lock (lockObject)
 				{
-					return _queued.Count + _completed.Count + (Current == null ? 0 : 1);
+					return QueueStartIndex + Queued.Count;
 				}
 			}
 		}
@@ -91,131 +69,117 @@ namespace LibationUiBase
 		{
 			lock (lockObject)
 			{
-				if (_completed.Contains(item))
+				int index = _completed.IndexOf(item);
-					return _completed.IndexOf(item);
+				if (index < 0 && item == Current)
-
+					index = Completed.Count;
-				if (Current == item) return _completed.Count;
+				if (index < 0)
-
+				{
-				if (_queued.Contains(item))
+					index = Queued.IndexOf(item);
-					return _queued.IndexOf(item) + (Current is null ? 0 : 1);
+					if (index >= 0)
-				return -1;
+						index += QueueStartIndex;
+				}
+				return index;
 			}
 		}
 
 		public bool RemoveQueued(T item)
 		{
-			bool itemsRemoved;
+			int queuedCount, queueIndex;
-			int queuedCount;
 
 			lock (lockObject)
 			{
-				itemsRemoved = _queued.Remove(item);
+				queueIndex = Queued.IndexOf(item);
-				queuedCount = _queued.Count;
+				if (queueIndex >= 0)
+					Queued.RemoveAt(queueIndex);
+				queuedCount = Queued.Count;
 			}
 
-			if (itemsRemoved)
+			if (queueIndex >= 0)
 			{
 				QueuedCountChanged?.Invoke(this, queuedCount);
-				RebuildSecondary();
+				CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, item, QueueStartIndex + queueIndex));
+				return true;
 			}
-			return itemsRemoved;
+			return false;
-		}
-
-		public void ClearCurrent()
-		{
-			lock (lockObject)
-				Current = null;
-			RebuildSecondary();
 		}
 
 		public bool RemoveCompleted(T item)
 		{
-			bool itemsRemoved;
+			int completedCount, completedIndex;
-			int completedCount;
 
 			lock (lockObject)
 			{
-				itemsRemoved = _completed.Remove(item);
+				completedIndex = _completed.IndexOf(item);
+				if (completedIndex >= 0)
+					_completed.RemoveAt(completedIndex);
 				completedCount = _completed.Count;
 			}
 
-			if (itemsRemoved)
+			if (completedIndex >= 0)
 			{
 				CompletedCountChanged?.Invoke(this, completedCount);
-				RebuildSecondary();
+				CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, item, completedIndex));
+				return true;
 			}
-			return itemsRemoved;
+			return false;
+		}
+
+		public void ClearCurrent()
+		{
+			T? current;
+			lock (lockObject)
+			{
+				current = Current;
+				Current = null;
+			}
+			CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, current, _completed.Count));
 		}
 
 		public void ClearQueue()
 		{
+			List<T> queuedItems;
 			lock (lockObject)
-				_queued.Clear();
+			{
+				queuedItems = Queued.ToList();
+				Queued.Clear();
+			}
 			QueuedCountChanged?.Invoke(this, 0);
-			RebuildSecondary();
+			CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, queuedItems, QueueStartIndex));
 		}
 
 		public void ClearCompleted()
 		{
+			List<T> completedItems;
 			lock (lockObject)
+			{
+				completedItems = _completed.ToList();
 				_completed.Clear();
+			}
 			CompletedCountChanged?.Invoke(this, 0);
-			RebuildSecondary();
+			CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, completedItems, 0));
-		}
-
-		public bool Any(Func<T, bool> predicate)
-		{
-			lock (lockObject)
-			{
-				return (Current != null && predicate(Current)) || _completed.Any(predicate) || _queued.Any(predicate);
-			}
-		}
-
-		public T? FirstOrDefault(Func<T, bool> predicate)
-		{
-			lock (lockObject)
-			{
-				return Current != null && predicate(Current) ? Current
-					: _completed.FirstOrDefault(predicate) is T completed ? completed
-					: _queued.FirstOrDefault(predicate);
-			}
 		}
 
 		public void MoveQueuePosition(T item, QueuePosition requestedPosition)
 		{
+			int oldIndex, newIndex;
 			lock (lockObject)
 			{
-				if (_queued.Count == 0 || !_queued.Contains(item)) return;
+				oldIndex = Queued.IndexOf(item);
+				newIndex = requestedPosition switch
+				{
+					QueuePosition.First => 0,
+					QueuePosition.OneUp => oldIndex - 1,
+					QueuePosition.OneDown => oldIndex + 1,
+					QueuePosition.Last or _ => Queued.Count - 1
+				};
 
-				if ((requestedPosition == QueuePosition.Fisrt || requestedPosition == QueuePosition.OneUp) && _queued[0] == item)
+				if (oldIndex < 0 || newIndex < 0 || newIndex >= Queued.Count || newIndex == oldIndex)
-					return;
-				if ((requestedPosition == QueuePosition.Last || requestedPosition == QueuePosition.OneDown) && _queued[^1] == item)
 					return;
 
-				int queueIndex = _queued.IndexOf(item);
+				Queued.RemoveAt(oldIndex);
-
+				Queued.Insert(newIndex, item);
-				if (requestedPosition == QueuePosition.OneUp)
-				{
-					_queued.RemoveAt(queueIndex);
-					_queued.Insert(queueIndex - 1, item);
-				}
-				else if (requestedPosition == QueuePosition.OneDown)
-				{
-					_queued.RemoveAt(queueIndex);
-					_queued.Insert(queueIndex + 1, item);
-				}
-				else if (requestedPosition == QueuePosition.Fisrt)
-				{
-					_queued.RemoveAt(queueIndex);
-					_queued.Insert(0, item);
-				}
-				else
-				{
-					_queued.RemoveAt(queueIndex);
-					_queued.Insert(_queued.Count, item);
-				}
 			}
-			RebuildSecondary();
+			CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, item, QueueStartIndex + newIndex, QueueStartIndex + oldIndex));
 		}
 
 		public bool MoveNext()
@@ -232,15 +196,15 @@ namespace LibationUiBase
 						completedCount = _completed.Count;
 						completedChanged = true;
 					}
-					if (_queued.Count == 0)
+					if (Queued.Count == 0)
 					{
 						Current = null;
 						return false;
 					}
-					Current = _queued[0];
+					Current = Queued[0];
-					_queued.RemoveAt(0);
+					Queued.RemoveAt(0);
 
-					queuedCount = _queued.Count;
+					queuedCount = Queued.Count;
 					return true;
 				}
 			}
@@ -249,34 +213,48 @@ namespace LibationUiBase
 				if (completedChanged)
 					CompletedCountChanged?.Invoke(this, completedCount);
 				QueuedCountChanged?.Invoke(this, queuedCount);
-				RebuildSecondary();
 			}
 		}
 
-		public void Enqueue(IEnumerable<T> item)
+		public void Enqueue(IList<T> item)
 		{
 			int queueCount;
 			lock (lockObject)
 			{
-				_queued.AddRange(item);
+				Queued.AddRange(item);
-				queueCount = _queued.Count;
+				queueCount = Queued.Count;
 			}
-			foreach (var i in item)
-				_underlyingList?.Add(i);
 			QueuedCountChanged?.Invoke(this, queueCount);
-		}
+			CollectionChanged?.Invoke(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, QueueStartIndex + Queued.Count));
-
-		private void RebuildSecondary()
-		{
-			_underlyingList?.Clear();
-			foreach (var item in GetAllItems())
-				_underlyingList?.Add(item);
 		}
 
 		public IEnumerable<T> GetAllItems()
 		{
-			if (Current is null) return Completed.Concat(Queued);
+			lock (lockObject)
-			return Completed.Concat(new List<T> { Current }).Concat(Queued);
+			{
+				if (Current is null) return Completed.Concat(Queued);
+				return Completed.Concat([Current]).Concat(Queued);
+			}
 		}
+
+		public IEnumerator<T> GetEnumerator() => GetAllItems().GetEnumerator();
+		IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+
+		#region IList interface implementation
+		object? IList.this[int index] { get => this[index]; set => throw new NotSupportedException(); }
+		public bool IsReadOnly => true;
+		public bool IsFixedSize => false;
+		public bool IsSynchronized => false;
+		public object SyncRoot => this;
+		public int IndexOf(object? value) => value is T t ? IndexOf(t) : -1;
+		public bool Contains(object? value) => IndexOf(value) >= 0;
+		//These aren't used by anything, but they are IList interface members and this class needs to be an IList for Avalonia
+		public int Add(object? value) => throw new NotSupportedException();
+		public void Clear() => throw new NotSupportedException();
+		public void Insert(int index, object? value) => throw new NotSupportedException();
+		public void Remove(object? value) => throw new NotSupportedException();
+		public void RemoveAt(int index) => throw new NotSupportedException();
+		public void CopyTo(Array array, int index) => throw new NotSupportedException();
+		#endregion
 	}
 }

Source/LibationWinForms/Dialogs/Login/WinformLoginBase.cs

@@ -5,18 +5,19 @@ namespace LibationWinForms.Dialogs.Login
 {
 	public abstract class WinformLoginBase
 	{
-		private readonly IWin32Window _owner;
+		protected Control Owner { get; }
-		protected WinformLoginBase(IWin32Window owner)
+		protected WinformLoginBase(Control owner)
 		{
-			_owner = owner;
+			Owner = owner;
 		}
 
 		/// <returns>True if ShowDialog's DialogResult == OK</returns>
 		protected bool ShowDialog(Form dialog)
-		{
+			=> Owner.Invoke(() =>
-			var result = dialog.ShowDialog(_owner);
+			{
-			Serilog.Log.Logger.Debug("{@DebugInfo}", new { DialogResult = result });
+				var result = dialog.ShowDialog(Owner);
-			return result == DialogResult.OK;
+				Serilog.Log.Logger.Debug("{@DebugInfo}", new { DialogResult = result });
-		}
+				return result == DialogResult.OK;
+			});
 	}
 }

Source/LibationWinForms/Dialogs/Login/WinformLoginCallback.cs

@@ -13,48 +13,53 @@ namespace LibationWinForms.Login
 
 		public string DeviceName { get; } = "Libation";
 
-		public WinformLoginCallback(Account account, IWin32Window owner) : base(owner)
+		public WinformLoginCallback(Account account, Control owner) : base(owner)
 		{
 			_account = Dinah.Core.ArgumentValidator.EnsureNotNull(account, nameof(account));
 		}
 
 		public Task<string> Get2faCodeAsync(string prompt)
-		{
+			=> Owner.Invoke(() =>
-			using var dialog = new _2faCodeDialog(prompt);
+			{
-			if (ShowDialog(dialog))
+				using var dialog = new _2faCodeDialog(prompt);
-				return Task.FromResult(dialog.Code);
+				if (ShowDialog(dialog))
-			return Task.FromResult<string>(null);
+					return Task.FromResult(dialog.Code);
-		}
+				return Task.FromResult<string>(null);
+			});
 
 		public Task<(string password, string guess)> GetCaptchaAnswerAsync(string password, byte[] captchaImage)
-		{
+			=> Owner.Invoke(() =>
-			using var dialog = new CaptchaDialog(password, captchaImage);
+			{
-			if (ShowDialog(dialog))
+				using var dialog = new CaptchaDialog(password, captchaImage);
-				return Task.FromResult((dialog.Password, dialog.Answer));
+				if (ShowDialog(dialog))
-			return Task.FromResult<(string, string)>((null,null));
+					return Task.FromResult((dialog.Password, dialog.Answer));
-		}
+				return Task.FromResult<(string, string)>((null, null));
+			});
 
 		public Task<(string name, string value)> GetMfaChoiceAsync(MfaConfig mfaConfig)
-		{
+			=> Owner.Invoke(() =>
-			using var dialog = new MfaDialog(mfaConfig);
+			{
-			if (ShowDialog(dialog))
+				using var dialog = new MfaDialog(mfaConfig);
-				return Task.FromResult((dialog.SelectedName, dialog.SelectedValue));
+				if (ShowDialog(dialog))
-			return Task.FromResult<(string, string)>((null, null));
+					return Task.FromResult((dialog.SelectedName, dialog.SelectedValue));
-		}
+				return Task.FromResult<(string, string)>((null, null));
+			});
 
 		public Task<(string email, string password)> GetLoginAsync()
-		{
+			=> Owner.Invoke(() =>
-			using var dialog = new LoginCallbackDialog(_account);
+			{
-			if (ShowDialog(dialog))
+				using var dialog = new LoginCallbackDialog(_account);
-				return Task.FromResult((dialog.Email, dialog.Password));
+				if (ShowDialog(dialog))
-			return Task.FromResult<(string, string)>((null, null));
+					return Task.FromResult((dialog.Email, dialog.Password));
-		}
+				return Task.FromResult<(string, string)>((null, null));
+			});
 
 		public Task ShowApprovalNeededAsync()
-		{
+			=> Owner.Invoke(() =>
-			using var dialog = new ApprovalNeededDialog();
+			{
-			ShowDialog(dialog);
+				using var dialog = new ApprovalNeededDialog();
-			return Task.CompletedTask;
+				ShowDialog(dialog);
-		}
+				return Task.CompletedTask;
+			});
 	}
 }

Source/LibationWinForms/Dialogs/Login/WinformLoginChoiceEager.cs

@@ -13,13 +13,16 @@ namespace LibationWinForms.Login
 
 		private Account _account { get; }
 
-		public WinformLoginChoiceEager(Account account, IWin32Window owner) : base(owner)
+		public WinformLoginChoiceEager(Account account, Control owner) : base(owner)
 		{
 			_account = Dinah.Core.ArgumentValidator.EnsureNotNull(account, nameof(account));
 			LoginCallback = new WinformLoginCallback(_account, owner);
 		}
 
 		public Task<ChoiceOut> StartAsync(ChoiceIn choiceIn)
+			=> Owner.Invoke(() => StartAsyncInternal(choiceIn));
+
+		private Task<ChoiceOut> StartAsyncInternal(ChoiceIn choiceIn)
 		{
 			if (Environment.OSVersion.Version.Major >= 10)
 			{

Source/LibationWinForms/Dialogs/SettingsDialog.Important.cs

@@ -11,7 +11,13 @@ namespace LibationWinForms.Dialogs
 {
 	public partial class SettingsDialog
 	{
-		private void logsBtn_Click(object sender, EventArgs e) => Go.To.Folder(((LongPath)Configuration.Instance.LibationFiles).ShortPathName);
+		private void logsBtn_Click(object sender, EventArgs e)
+		{
+			if (File.Exists(LogFileFilter.LogFilePath))
+				Go.To.File(LogFileFilter.LogFilePath);
+			else
+				Go.To.Folder(((LongPath)Configuration.Instance.LibationFiles).ShortPathName);
+		}
 
 		private void Load_Important(Configuration config)
 		{

Source/LibationWinForms/Form1.Designer.cs

@@ -538,7 +538,7 @@
             this.productsDisplay.VisibleCountChanged += new System.EventHandler<int>(this.productsDisplay_VisibleCountChanged);
             this.productsDisplay.RemovableCountChanged += new System.EventHandler<int>(this.productsDisplay_RemovableCountChanged);
             this.productsDisplay.LiberateClicked += ProductsDisplay_LiberateClicked;
-            this.productsDisplay.LiberateSeriesClicked += new System.EventHandler<LibationUiBase.GridView.ISeriesEntry>(this.ProductsDisplay_LiberateSeriesClicked);
+            this.productsDisplay.LiberateSeriesClicked += new System.EventHandler<LibationUiBase.GridView.SeriesEntry>(this.ProductsDisplay_LiberateSeriesClicked);
             this.productsDisplay.ConvertToMp3Clicked += ProductsDisplay_ConvertToMp3Clicked;
             this.productsDisplay.InitialLoaded += new System.EventHandler(this.productsDisplay_InitialLoaded);
             // 

Source/LibationWinForms/Form1.ProcessQueue.cs

@@ -48,7 +48,7 @@ namespace LibationWinForms
 			}
 		}
 
-		private void ProductsDisplay_LiberateSeriesClicked(object sender, ISeriesEntry series)
+		private void ProductsDisplay_LiberateSeriesClicked(object sender, SeriesEntry series)
 		{
 			try
 			{

Source/LibationWinForms/Form1.ScanAuto.cs

@@ -32,11 +32,7 @@ namespace LibationWinForms
 				// in autoScan, new books SHALL NOT show dialog
 				try
 				{
-					Task importAsync() => LibraryCommands.ImportAccountAsync(accounts);
+					await Task.Run(() => LibraryCommands.ImportAccountAsync(accounts));
-					if (InvokeRequired)
-						await Invoke(importAsync);
-					else
-						await importAsync();
 				}
 				catch (OperationCanceledException)
 				{

Source/LibationWinForms/Form1.ScanManual.cs

@@ -74,7 +74,7 @@ namespace LibationWinForms
 		{
 			try
 			{
-				var (totalProcessed, newAdded) = await LibraryCommands.ImportAccountAsync(accounts);
+				var (totalProcessed, newAdded) = await Task.Run(() => LibraryCommands.ImportAccountAsync(accounts));
 
 				// this is here instead of ScanEnd so that the following is only possible when it's user-initiated, not automatic loop
 				if (Configuration.Instance.ShowImportedStats && newAdded > 0)

Source/LibationWinForms/Form1._NonUI.cs

@@ -22,6 +22,7 @@ namespace LibationWinForms
             PictureStorage.SetDefaultImage(PictureSize.Native, Properties.Resources.default_cover_500x500.ToBytes(format));
 
             BaseUtil.SetLoadImageDelegate(WinFormsUtil.TryLoadImageOrDefault);
+            BaseUtil.SetLoadResourceImageDelegate(Properties.Resources.ResourceManager.GetObject);
 
             // wire-up event to automatically download after scan.
             // winforms only. this should NOT be allowed in cli

Source/LibationWinForms/GridView/EditTagsDataGridViewImageButtonColumn.cs

@@ -28,7 +28,7 @@ namespace LibationWinForms.GridView
 		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)
 		{
             // series
-            if (rowIndex >= 0 && DataGridView.GetBoundItem<IGridEntry>(rowIndex) is ISeriesEntry)
+            if (rowIndex >= 0 && DataGridView.GetBoundItem<GridEntry>(rowIndex) is SeriesEntry)
 			{
                 base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, null, null, null, cellStyle, advancedBorderStyle, DataGridViewPaintParts.Background | DataGridViewPaintParts.Border);
             }

Source/LibationWinForms/GridView/GridEntryBindingList.cs

@@ -24,24 +24,24 @@ namespace LibationWinForms.GridView
 	 * event. Adding or removing from the underlying list will not change the
 	 * BindingList's subscription to that item.
 	 */
-	internal class GridEntryBindingList : BindingList<IGridEntry>, IBindingListView
+	internal class GridEntryBindingList : BindingList<GridEntry>, IBindingListView
 	{
-		public GridEntryBindingList(IEnumerable<IGridEntry> enumeration) : base(new List<IGridEntry>(enumeration))
+		public GridEntryBindingList(IEnumerable<GridEntry> enumeration) : base(new List<GridEntry>(enumeration))
 		{
 			SearchEngineCommands.SearchEngineUpdated += SearchEngineCommands_SearchEngineUpdated;
 			ListChanged += GridEntryBindingList_ListChanged;
 		}
 
 		/// <returns>All items in the list, including those filtered out.</returns>
-		public List<IGridEntry> AllItems() => Items.Concat(FilterRemoved).ToList();
+		public List<GridEntry> AllItems() => Items.Concat(FilterRemoved).ToList();
 
 		/// <summary>All items that pass the current filter</summary>
-		public IEnumerable<ILibraryBookEntry> GetFilteredInItems()
+		public IEnumerable<LibraryBookEntry> GetFilteredInItems()
 			=> FilteredInGridEntries?
-				.OfType<ILibraryBookEntry>()
+				.OfType<LibraryBookEntry>()
 			?? FilterRemoved
-				.OfType<ILibraryBookEntry>()
+				.OfType<LibraryBookEntry>()
-				.Union(Items.OfType<ILibraryBookEntry>());
+				.Union(Items.OfType<LibraryBookEntry>());
 
 		public bool SupportsFiltering => true;
 		public string Filter
@@ -67,12 +67,12 @@ namespace LibationWinForms.GridView
 		protected override ListSortDirection SortDirectionCore => Comparer.SortOrder;
 
 		/// <summary> Items that were removed from the base list due to filtering </summary>
-		private readonly List<IGridEntry> FilterRemoved = new();
+		private readonly List<GridEntry> FilterRemoved = new();
 		private string FilterString;
 		private bool isSorted;
 		private PropertyDescriptor propertyDescriptor;
 		/// <summary> All GridEntries present in the current filter set. If null, no filter is applied and all entries are filtered in.(This was a performance choice)</summary>
-		private HashSet<IGridEntry> FilteredInGridEntries;
+		private HashSet<GridEntry> FilteredInGridEntries;
 
 		#region Unused - Advanced Filtering
 		public bool SupportsAdvancedSorting => false;
@@ -84,7 +84,7 @@ namespace LibationWinForms.GridView
 		public ListSortDescriptionCollection SortDescriptions => throw new NotImplementedException();
 		#endregion
 
-		public new void Remove(IGridEntry entry)
+		public new void Remove(GridEntry entry)
 		{
 			FilterRemoved.Remove(entry);
 			base.Remove(entry);
@@ -122,13 +122,13 @@ namespace LibationWinForms.GridView
 			ResetList();
 			RaiseListChangedEvents = priorState;
 
-			void addRemovedItemsBack(List<IGridEntry> addBackEntries)
+			void addRemovedItemsBack(List<GridEntry> addBackEntries)
 			{
 				//Add removed entries back into Items so they are displayed
 				//(except for episodes that are collapsed)
 				foreach (var addBack in addBackEntries)
 				{
-					if (addBack is ILibraryBookEntry lbe && lbe.Parent is ISeriesEntry se && !se.Liberate.Expanded)
+					if (addBack is LibraryBookEntry lbe && lbe.Parent is SeriesEntry se && !se.Liberate.Expanded)
 						continue;
 
 					FilterRemoved.Remove(addBack);
@@ -160,7 +160,7 @@ namespace LibationWinForms.GridView
 				ExpandItem(series);
 		}
 
-		public void CollapseItem(ISeriesEntry sEntry)
+		public void CollapseItem(SeriesEntry sEntry)
 		{
 			foreach (var episode in sEntry.Children.Intersect(Items.BookEntries()).ToList())
 			{
@@ -171,7 +171,7 @@ namespace LibationWinForms.GridView
 			sEntry.Liberate.Expanded = false;
 		}
 
-		public void ExpandItem(ISeriesEntry sEntry)
+		public void ExpandItem(SeriesEntry sEntry)
 		{
 			var sindex = Items.IndexOf(sEntry);
 
@@ -208,7 +208,7 @@ namespace LibationWinForms.GridView
 
 		private void SortInternal()
 		{
-			var itemsList = (List<IGridEntry>)Items;
+			var itemsList = (List<GridEntry>)Items;
 			//User Order/OrderDescending and replace items in list instead of using List.Sort() to achieve stable sorting.
 			var sortedItems = Comparer.OrderEntries(itemsList).ToList();
 

Source/LibationWinForms/GridView/LiberateDataGridViewImageButtonColumn.cs

@@ -1,7 +1,9 @@
 using DataLayer;
+using LibationUiBase.GridView;
 using System.Drawing;
 using System.Windows.Forms;
 
+#nullable enable
 namespace LibationWinForms.GridView
 {
 	public class LiberateDataGridViewImageButtonColumn : DataGridViewButtonColumn, IDataGridScaleColumn
@@ -20,16 +22,18 @@ namespace LibationWinForms.GridView
 
         private static readonly Brush DISABLED_GRAY = new SolidBrush(Color.FromArgb(0x60, Color.LightGray));
 		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)
+		private static readonly Color SERIES_BG_COLOR = Color.FromArgb(230, 255, 230);
+
+		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)
 		{
-			if (value is WinFormsEntryStatus status)
+			if (OwningRow is DataGridViewRow row && row.DataGridView is DataGridView grid && value is EntryStatus status)
 			{
 				if (status.BookStatus is LiberatedStatus.Error || status.IsUnavailable)
 					//Don't paint the button graphic
 					paintParts ^= DataGridViewPaintParts.ContentBackground | DataGridViewPaintParts.ContentForeground | DataGridViewPaintParts.SelectionBackground;
 
-				DataGridView.Rows[rowIndex].DefaultCellStyle.BackColor = (Color)status.BackgroundBrush;
+				row.DefaultCellStyle.BackColor = status.IsEpisode ? SERIES_BG_COLOR : grid.DefaultCellStyle.BackColor;
-				DataGridView.Rows[rowIndex].DefaultCellStyle.ForeColor = status.Opacity == 1 ? DataGridView.DefaultCellStyle.ForeColor : HiddenForeColor;
+				row.DefaultCellStyle.ForeColor = status.Opacity == 1 ? grid.DefaultCellStyle.ForeColor : HiddenForeColor;
 				base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, null, null, null, cellStyle, advancedBorderStyle, paintParts);
 
 				DrawButtonImage(graphics, (Image)status.ButtonImage, cellBounds);

Source/LibationWinForms/GridView/ProductsDisplay.cs

@@ -22,7 +22,7 @@ namespace LibationWinForms.GridView
 		public event EventHandler<int> VisibleCountChanged;
 		public event EventHandler<int> RemovableCountChanged;
 		public event EventHandler<LibraryBook[]> LiberateClicked;
-		public event EventHandler<ISeriesEntry> LiberateSeriesClicked;
+		public event EventHandler<SeriesEntry> LiberateSeriesClicked;
 		public event EventHandler<LibraryBook[]> ConvertToMp3Clicked;
 		public event EventHandler InitialLoaded;
 
@@ -36,7 +36,7 @@ namespace LibationWinForms.GridView
 		#region Button controls		
 
 		private ImageDisplay imageDisplay;
-		private void productsGrid_CoverClicked(IGridEntry liveGridEntry)
+		private void productsGrid_CoverClicked(GridEntry liveGridEntry)
 		{
 			var picDef = new PictureDefinition(liveGridEntry.LibraryBook.Book.PictureLarge ?? liveGridEntry.LibraryBook.Book.PictureId, PictureSize.Native);
 
@@ -71,7 +71,7 @@ namespace LibationWinForms.GridView
 				imageDisplay.Show(null);
 		}
 
-		private void productsGrid_DescriptionClicked(IGridEntry liveGridEntry, Rectangle cellRectangle)
+		private void productsGrid_DescriptionClicked(GridEntry liveGridEntry, Rectangle cellRectangle)
 		{
 			var displayWindow = new DescriptionDisplay
 			{
@@ -90,7 +90,7 @@ namespace LibationWinForms.GridView
 			displayWindow.Show(this);
 		}
 
-		private async void productsGrid_DetailsClicked(ILibraryBookEntry liveGridEntry)
+		private async void productsGrid_DetailsClicked(LibraryBookEntry liveGridEntry)
 		{
 			// HACK: workaround for a Winforms bug.
 			// This event is fired by the DataGridCell.OnMouseUpInternal
@@ -124,12 +124,12 @@ namespace LibationWinForms.GridView
 
 		#region Cell Context Menu
 
-		private void productsGrid_CellContextMenuStripNeeded(IGridEntry[] entries, ContextMenuStrip ctxMenu)
+		private void productsGrid_CellContextMenuStripNeeded(GridEntry[] entries, ContextMenuStrip ctxMenu)
 		{
 			var ctx = new GridContextMenu(entries, '&');
 			#region Liberate all Episodes (Single series only)
 
-			if (entries.Length == 1 && entries[0] is ISeriesEntry seriesEntry)
+			if (entries.Length == 1 && entries[0] is SeriesEntry seriesEntry)
 			{
 				var liberateEpisodesMenuItem = new ToolStripMenuItem()
 				{
@@ -166,7 +166,7 @@ namespace LibationWinForms.GridView
 			#endregion
 			#region Locate file (Single book only)
 
-			if (entries.Length == 1 && entries[0] is ILibraryBookEntry entry)
+			if (entries.Length == 1 && entries[0] is LibraryBookEntry entry)
 			{
 				var locateFileMenuItem = new ToolStripMenuItem() { Text = ctx.LocateFileText };
 				ctxMenu.Items.Add(locateFileMenuItem);
@@ -199,7 +199,7 @@ namespace LibationWinForms.GridView
 
 			#endregion
 			#region Liberate All (multiple books only)
-			if (entries.OfType<ILibraryBookEntry>().Count() > 1)
+			if (entries.OfType<LibraryBookEntry>().Count() > 1)
 			{
 				var downloadSelectedMenuItem = new ToolStripMenuItem()
 				{
@@ -230,7 +230,7 @@ namespace LibationWinForms.GridView
 			#endregion
 			#region Force Re-Download (Single book only)
 
-			if (entries.Length == 1 && entries[0] is ILibraryBookEntry entry4)
+			if (entries.Length == 1 && entries[0] is LibraryBookEntry entry4)
 			{
 				var reDownloadMenuItem = new ToolStripMenuItem()
 				{
@@ -269,7 +269,7 @@ namespace LibationWinForms.GridView
 				}
 			}
 
-			if (entries.Length == 1 && entries[0] is ILibraryBookEntry entry2)
+			if (entries.Length == 1 && entries[0] is LibraryBookEntry entry2)
 			{
 				var folderTemplateMenuItem = new ToolStripMenuItem { Text = ctx.FolderTemplateText };
 				var fileTemplateMenuItem = new ToolStripMenuItem { Text = ctx.FileTemplateText };
@@ -288,7 +288,7 @@ namespace LibationWinForms.GridView
 			#endregion
 			#region View Bookmarks/Clips (Single book only)
 
-			if (entries.Length == 1 && entries[0] is ILibraryBookEntry entry3)
+			if (entries.Length == 1 && entries[0] is LibraryBookEntry entry3)
 			{
 				var bookRecordMenuItem = new ToolStripMenuItem { Text = ctx.ViewBookmarksText };
 				bookRecordMenuItem.Click += (_, _) => new BookRecordsDialog(entry3.LibraryBook).ShowDialog(this);
@@ -417,7 +417,7 @@ namespace LibationWinForms.GridView
 			VisibleCountChanged?.Invoke(this, count);
 		}
 
-		private void productsGrid_LiberateClicked(ILibraryBookEntry liveGridEntry)
+		private void productsGrid_LiberateClicked(LibraryBookEntry liveGridEntry)
 		{
 			if (liveGridEntry.LibraryBook.Book.UserDefinedItem.BookStatus is not LiberatedStatus.Error
 				&& !liveGridEntry.Liberate.IsUnavailable)

Source/LibationWinForms/GridView/ProductsGrid.Designer.cs

@@ -270,7 +270,7 @@ namespace LibationWinForms.GridView
 			// 
 			// syncBindingSource
 			// 
-			syncBindingSource.DataSource = typeof(IGridEntry);
+			syncBindingSource.DataSource = typeof(GridEntry);
 			// 
 			// ProductsGrid
 			// 

Source/LibationWinForms/GridView/ProductsGrid.cs

@@ -15,10 +15,10 @@ using System.Windows.Forms;
 
 namespace LibationWinForms.GridView
 {
-	public delegate void GridEntryClickedEventHandler(IGridEntry liveGridEntry);
+	public delegate void GridEntryClickedEventHandler(GridEntry liveGridEntry);
-	public delegate void LibraryBookEntryClickedEventHandler(ILibraryBookEntry liveGridEntry);
+	public delegate void LibraryBookEntryClickedEventHandler(LibraryBookEntry liveGridEntry);
-	public delegate void GridEntryRectangleClickedEventHandler(IGridEntry liveGridEntry, Rectangle cellRectangle);
+	public delegate void GridEntryRectangleClickedEventHandler(GridEntry liveGridEntry, Rectangle cellRectangle);
-	public delegate void ProductsGridCellContextMenuStripNeededEventHandler(IGridEntry[] liveGridEntry, ContextMenuStrip ctxMenu);
+	public delegate void ProductsGridCellContextMenuStripNeededEventHandler(GridEntry[] liveGridEntry, ContextMenuStrip ctxMenu);
 
 	public partial class ProductsGrid : UserControl
 	{
@@ -37,8 +37,8 @@ namespace LibationWinForms.GridView
 			=> bindingList
 			?.GetFilteredInItems()
 			.Select(lbe => lbe.LibraryBook) ?? Enumerable.Empty<LibraryBook>();
-		internal IEnumerable<ILibraryBookEntry> GetAllBookEntries()
+		internal IEnumerable<LibraryBookEntry> GetAllBookEntries()
-			=> bindingList?.AllItems().BookEntries() ?? Enumerable.Empty<ILibraryBookEntry>();
+			=> bindingList?.AllItems().BookEntries() ?? Enumerable.Empty<LibraryBookEntry>();
 
 		public ProductsGrid()
 		{
@@ -189,7 +189,7 @@ namespace LibationWinForms.GridView
 				.Distinct()
 				.OrderBy(r => r.Index)
 				.Select(r => r.DataBoundItem)
-				.OfType<IGridEntry>()
+				.OfType<GridEntry>()
 				.ToArray();
 
 			var clickedIndex = Array.IndexOf(allSelected, clickedEntry);
@@ -225,7 +225,7 @@ namespace LibationWinForms.GridView
 					return;
 
 				var entry = getGridEntry(e.RowIndex);
-				if (entry is ILibraryBookEntry lbEntry)
+				if (entry is LibraryBookEntry lbEntry)
 				{
 					if (e.ColumnIndex == liberateGVColumn.Index)
 						LiberateClicked?.Invoke(lbEntry);
@@ -236,7 +236,7 @@ namespace LibationWinForms.GridView
 					else if (e.ColumnIndex == coverGVColumn.Index)
 						CoverClicked?.Invoke(lbEntry);
 				}
-				else if (entry is ISeriesEntry sEntry)
+				else if (entry is SeriesEntry sEntry)
 				{
 					if (e.ColumnIndex == liberateGVColumn.Index)
 					{
@@ -265,7 +265,7 @@ namespace LibationWinForms.GridView
 			}
 		}
 
-		private IGridEntry getGridEntry(int rowIndex) => gridEntryDataGridView.GetBoundItem<IGridEntry>(rowIndex);
+		private GridEntry getGridEntry(int rowIndex) => gridEntryDataGridView.GetBoundItem<GridEntry>(rowIndex);
 
 		#endregion
 
@@ -295,8 +295,8 @@ namespace LibationWinForms.GridView
 			var sc = Invoke(() => System.Threading.SynchronizationContext.Current);
 			System.Threading.SynchronizationContext.SetSynchronizationContext(sc);
 
-			var geList = await LibraryBookEntry<WinFormsEntryStatus>.GetAllProductsAsync(dbBooks);
+			var geList = await LibraryBookEntry.GetAllProductsAsync(dbBooks);
-			var seriesEntries = await SeriesEntry<WinFormsEntryStatus>.GetAllSeriesEntriesAsync(dbBooks);
+			var seriesEntries = await SeriesEntry.GetAllSeriesEntriesAsync(dbBooks);
 
 			geList.AddRange(seriesEntries);
 			//Sort descending by date (default sort property)
@@ -383,7 +383,7 @@ namespace LibationWinForms.GridView
 			gridEntryDataGridView.FirstDisplayedScrollingRowIndex = topRow;
 		}
 
-		public void RemoveBooks(IEnumerable<ILibraryBookEntry> removedBooks)
+		public void RemoveBooks(IEnumerable<LibraryBookEntry> removedBooks)
 		{
 			if (bindingList == null)
 				throw new InvalidOperationException($"Must call {nameof(BindToGridAsync)} before calling {nameof(RemoveBooks)}");
@@ -398,34 +398,34 @@ namespace LibationWinForms.GridView
 				.AllItems()
 				.EmptySeries();
 
-			foreach (var removed in removedBooks.Cast<IGridEntry>().Concat(removedSeries))
+			foreach (var removed in removedBooks.Cast<GridEntry>().Concat(removedSeries))
 				//no need to re-filter for removed books
 				bindingList.Remove(removed);
 
 			VisibleCountChanged?.Invoke(this, bindingList.GetFilteredInItems().Count());
 		}
 
-		private void AddOrUpdateBook(LibraryBook book, ILibraryBookEntry? existingBookEntry)
+		private void AddOrUpdateBook(LibraryBook book, LibraryBookEntry? existingBookEntry)
 		{
 			if (bindingList == null)
 				throw new InvalidOperationException($"Must call {nameof(BindToGridAsync)} before calling {nameof(AddOrUpdateBook)}");
 
 			if (existingBookEntry is null)
 				// Add the new product to top
-				bindingList.Insert(0, new LibraryBookEntry<WinFormsEntryStatus>(book));
+				bindingList.Insert(0, new LibraryBookEntry(book));
 			else
 				// update existing
 				existingBookEntry.UpdateLibraryBook(book);
 		}
 
-		private void AddOrUpdateEpisode(LibraryBook episodeBook, ILibraryBookEntry? existingEpisodeEntry, List<ISeriesEntry> seriesEntries, IEnumerable<LibraryBook> dbBooks)
+		private void AddOrUpdateEpisode(LibraryBook episodeBook, LibraryBookEntry? existingEpisodeEntry, List<SeriesEntry> seriesEntries, IEnumerable<LibraryBook> dbBooks)
 		{
 			if (bindingList == null)
 				throw new InvalidOperationException($"Must call {nameof(BindToGridAsync)} before calling {nameof(AddOrUpdateEpisode)}");
 
 			if (existingEpisodeEntry is null)
 			{
-				ILibraryBookEntry episodeEntry;
+				LibraryBookEntry episodeEntry;
 
 				var seriesEntry = seriesEntries.FindSeriesParent(episodeBook);
 
@@ -443,7 +443,7 @@ namespace LibationWinForms.GridView
 						return;
 					}
 
-					seriesEntry = new SeriesEntry<WinFormsEntryStatus>(seriesBook, episodeBook);
+					seriesEntry = new SeriesEntry(seriesBook, episodeBook);
 					seriesEntries.Add(seriesEntry);
 
 					episodeEntry = seriesEntry.Children[0];
@@ -453,7 +453,7 @@ namespace LibationWinForms.GridView
 				else
 				{
 					//Series exists. Create and add episode child then update the SeriesEntry
-					episodeEntry = new LibraryBookEntry<WinFormsEntryStatus>(episodeBook, seriesEntry);
+					episodeEntry = new LibraryBookEntry(episodeBook, seriesEntry);
 					seriesEntry.Children.Add(episodeEntry);
 					seriesEntry.Children.Sort((c1, c2) => c1.SeriesIndex.CompareTo(c2.SeriesIndex));
 					var seriesBook = dbBooks.Single(lb => lb.Book.AudibleProductId == seriesEntry.LibraryBook.Book.AudibleProductId);

Source/LibationWinForms/GridView/RowComparer.cs

@@ -8,13 +8,13 @@ namespace LibationWinForms.GridView
 	internal class RowComparer : RowComparerBase
 	{
 		public ListSortDirection SortOrder { get; set; } = ListSortDirection.Descending;
-		public override string PropertyName { get; set; } = nameof(IGridEntry.DateAdded);
+		public override string PropertyName { get; set; } = nameof(GridEntry.DateAdded);
 		protected override ListSortDirection GetSortOrder() => SortOrder;
 
 		/// <summary>
 		/// Helper method for ordering grid entries
 		/// </summary>
-		public IOrderedEnumerable<IGridEntry> OrderEntries(IEnumerable<IGridEntry> entries)
+		public IOrderedEnumerable<GridEntry> OrderEntries(IEnumerable<GridEntry> entries)
 			=> SortOrder is ListSortDirection.Descending ? entries.OrderDescending(this) : entries.Order(this);
 	}
 }

Source/LibationWinForms/GridView/WinFormsEntryStatus.cs

@@ -1,24 +0,0 @@
-using DataLayer;
-using LibationUiBase.GridView;
-using System.Drawing;
-
-namespace LibationWinForms.GridView
-{
-	public class WinFormsEntryStatus : EntryStatus, IEntryStatus
-	{
-		private static readonly Color SERIES_BG_COLOR = Color.FromArgb(230, 255, 230);
-		public Color BackgroundBrush => IsEpisode ? SERIES_BG_COLOR : SystemColors.ControlLightLight;
-
-		private WinFormsEntryStatus(LibraryBook libraryBook) : base(libraryBook) { }
-		public static EntryStatus Create(LibraryBook libraryBook) => new WinFormsEntryStatus(libraryBook);
-
-		protected override Image LoadImage(byte[] picture)
-			=> WinFormsUtil.TryLoadImageOrDefault(picture, LibationFileManager.PictureSize._80x80);
-
-		protected override Image GetResourceImage(string rescName)
-		{
-			var image = Properties.Resources.ResourceManager.GetObject(rescName);
-			return image as Bitmap;
-		}
-	}
-}

Source/LibationWinForms/ProcessQueue/ProcessBookControl.cs

@@ -3,33 +3,20 @@ using System;
 using System.Drawing;
 using System.Windows.Forms;
 
+#nullable enable
 namespace LibationWinForms.ProcessQueue
 {
 	internal partial class ProcessBookControl : UserControl
 	{
 		private readonly int CancelBtnDistanceFromEdge;
 		private readonly int ProgressBarDistanceFromEdge;
+		private object? m_OldContext;
 
 		private static Color FailedColor { get; } = Color.LightCoral;
 		private static Color CancelledColor { get; } = Color.Khaki;
 		private static Color QueuedColor { get; } = SystemColors.Control;
 		private static Color SuccessColor { get; } = Color.PaleGreen;
 
-		private ProcessBookViewModelBase m_Context;
-		public ProcessBookViewModelBase Context
-		{
-			get => m_Context;
-			set
-			{
-				if (m_Context != value)
-				{
-					OnContextChanging();
-					m_Context = value;
-					OnContextChanged();
-				}
-			}
-		}
-
 		public ProcessBookControl()
 		{
 			InitializeComponent();
@@ -41,35 +28,41 @@ namespace LibationWinForms.ProcessQueue
 			ProgressBarDistanceFromEdge = Width - progressBar1.Location.X - progressBar1.Width;
 		}
 
-		private void OnContextChanging()
+		protected override void OnDataContextChanged(EventArgs e)
 		{
-			if (Context is not null)
+			if (m_OldContext is ProcessBookViewModel oldContext)
-				Context.PropertyChanged -= Context_PropertyChanged;
+				oldContext.PropertyChanged -= DataContext_PropertyChanged;
+
+			if (DataContext is ProcessBookViewModel newContext)
+			{
+				m_OldContext = newContext;
+				newContext.PropertyChanged += DataContext_PropertyChanged;
+				DataContext_PropertyChanged(DataContext, new System.ComponentModel.PropertyChangedEventArgs(null));
+			}
+
+			base.OnDataContextChanged(e);
 		}
 
-		private void OnContextChanged()
+		private void DataContext_PropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
 		{
-			Context.PropertyChanged += Context_PropertyChanged;
+			if (sender is not ProcessBookViewModel vm)
-			Context_PropertyChanged(this, new System.ComponentModel.PropertyChangedEventArgs(null));
+				return;
-		}
 
-		private void Context_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
-		{
 			SuspendLayout();
-			if (e.PropertyName is null or nameof(Context.Cover))
+			if (e.PropertyName is null or nameof(vm.Cover))
-				SetCover(Context.Cover as Image);
+				SetCover(vm.Cover as Image);
-			if (e.PropertyName is null or nameof(Context.Title) or nameof(Context.Author) or nameof(Context.Narrator))
+			if (e.PropertyName is null or nameof(vm.Title) or nameof(vm.Author) or nameof(vm.Narrator))
-				SetBookInfo($"{Context.Title}\r\nBy {Context.Author}\r\nNarrated by {Context.Narrator}");
+				SetBookInfo($"{vm.Title}\r\nBy {vm.Author}\r\nNarrated by {vm.Narrator}");
-			if (e.PropertyName is null or nameof(Context.Status) or nameof(Context.StatusText))
+			if (e.PropertyName is null or nameof(vm.Status) or nameof(vm.StatusText))
-				SetStatus(Context.Status, Context.StatusText);
+				SetStatus(vm.Status, vm.StatusText);
-			if (e.PropertyName is null or nameof(Context.Progress))
+			if (e.PropertyName is null or nameof(vm.Progress))
-				SetProgress(Context.Progress);
+				SetProgress(vm.Progress);
-			if (e.PropertyName is null or nameof(Context.TimeRemaining))
+			if (e.PropertyName is null or nameof(vm.TimeRemaining))
-				SetRemainingTime(Context.TimeRemaining);
+				SetRemainingTime(vm.TimeRemaining);
 			ResumeLayout();
 		}
 
-		private void SetCover(Image cover) => pictureBox1.Image = cover;
+		private void SetCover(Image? cover) => pictureBox1.Image = cover;
 		private void SetBookInfo(string title) => bookInfoLbl.Text = title;
 		private void SetRemainingTime(TimeSpan remaining)
 			=> remainingTimeLbl.Text = $"{remaining:mm\\:ss}";

Source/LibationWinForms/ProcessQueue/ProcessBookViewModel.cs

@@ -1,14 +0,0 @@
-using DataLayer;
-using LibationFileManager;
-using LibationUiBase;
-using LibationUiBase.ProcessQueue;
-
-namespace LibationWinForms.ProcessQueue;
-
-public class ProcessBookViewModel : ProcessBookViewModelBase
-{
-	public ProcessBookViewModel(LibraryBook libraryBook, LogMe logme) : base(libraryBook, logme) { }
-
-	protected override object LoadImageFromBytes(byte[] bytes, PictureSize pictureSize)
-		=> WinFormsUtil.TryLoadImageOrDefault(bytes, PictureSize._80x80);
-}

Source/LibationWinForms/ProcessQueue/ProcessQueueControl.cs

@@ -1,5 +1,6 @@
 using LibationFileManager;
 using LibationUiBase;
+using LibationUiBase.ProcessQueue;
 using System;
 using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
@@ -27,49 +28,47 @@ internal partial class ProcessQueueControl : UserControl
 	{
 		InitializeComponent();
 
-		var speedLimitMBps = Configuration.Instance.DownloadSpeedLimit / 1024m / 1024;
-		numericUpDown1.Value = speedLimitMBps > numericUpDown1.Maximum || speedLimitMBps < numericUpDown1.Minimum ? 0 : speedLimitMBps;
 		statusStrip1.Items.Add(PopoutButton);
 
 		virtualFlowControl2.ButtonClicked += VirtualFlowControl2_ButtonClicked;
+		virtualFlowControl2.DataContext = ViewModel.Queue;
 
-		ViewModel.LogWritten += (_, text) => WriteLine(text);
 		ViewModel.PropertyChanged += ProcessQueue_PropertyChanged;
-		virtualFlowControl2.Items = ViewModel.Items;
+		ViewModel.LogEntries.CollectionChanged += LogEntries_CollectionChanged;
-		Load += ProcessQueueControl_Load;
 	}
 
-	private void ProcessQueueControl_Load(object? sender, EventArgs e)
+	private void LogEntries_CollectionChanged(object? sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+	{
+		if (!IsDisposed && e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add)
+		{
+			foreach(var entry in e.NewItems?.OfType<LogEntry>() ?? [])
+				logDGV.Rows.Add(entry.LogDate, entry.LogMessage);
+		}
+	}
+
+	protected override void OnLoad(EventArgs e)
 	{
 		if (DesignMode) return;
 		ProcessQueue_PropertyChanged(this, new PropertyChangedEventArgs(null));
 	}
 
-	public void WriteLine(string text)
-	{
-		if (!IsDisposed)
-			logDGV.Rows.Add(DateTime.Now, text.Trim());
-	}
-
 	private async void cancelAllBtn_Click(object? sender, EventArgs e)
 	{
 		ViewModel.Queue.ClearQueue();
 		if (ViewModel.Queue.Current is not null)
 			await ViewModel.Queue.Current.CancelAsync();
-		virtualFlowControl2.RefreshDisplay();
 	}
 
 	private void btnClearFinished_Click(object? sender, EventArgs e)
 	{
 		ViewModel.Queue.ClearCompleted();
-		virtualFlowControl2.RefreshDisplay();
-
 		if (!ViewModel.Running)
 			runningTimeLbl.Text = string.Empty;
 	}
 
 	private void clearLogBtn_Click(object? sender, EventArgs e)
 	{
+		ViewModel.LogEntries.Clear();
 		logDGV.Rows.Clear();
 	}
 
@@ -92,7 +91,6 @@ internal partial class ProcessQueueControl : UserControl
 		{
 			queueNumberLbl.Text = ViewModel.QueuedCount.ToString();
 			queueNumberLbl.Visible = ViewModel.QueuedCount > 0;
-			virtualFlowControl2.RefreshDisplay();
 		}
 		if (e.PropertyName is null or nameof(ViewModel.ErrorCount))
 		{
@@ -117,16 +115,22 @@ internal partial class ProcessQueueControl : UserControl
 		{
 			runningTimeLbl.Text = ViewModel.RunningTime;
 		}
+		if (e.PropertyName is null or nameof(ViewModel.SpeedLimit))
+		{
+			numericUpDown1.Value = ViewModel.SpeedLimit;
+			numericUpDown1.Increment = ViewModel.SpeedLimitIncrement;
+			numericUpDown1.DecimalPlaces = ViewModel.SpeedLimit >= 10 ? 0 : ViewModel.SpeedLimit >= 1 ? 1 : 2;
+		}
 	}
 
 	/// <summary>
-	/// View notified the model that a botton was clicked
+	/// View notified the model that a button was clicked
 	/// </summary>
 	/// <param name="sender">the <see cref="ProcessBookControl"/> whose button was clicked</param>
 	/// <param name="buttonName">The name of the button clicked</param>
 	private async void VirtualFlowControl2_ButtonClicked(object? sender, string buttonName)
 	{
-		if (sender is not ProcessBookControl control || control.Context is not ProcessBookViewModel item)
+		if (sender is not ProcessBookControl control || control.DataContext is not ProcessBookViewModel item)
 			return;
 
 		try
@@ -135,13 +139,12 @@ internal partial class ProcessQueueControl : UserControl
 			{
 				await item.CancelAsync();
 				ViewModel.Queue.RemoveQueued(item);
-				virtualFlowControl2.RefreshDisplay();
 			}
 			else
 			{
 				QueuePosition? position = buttonName switch
 				{
-					nameof(ProcessBookControl.moveFirstBtn) => QueuePosition.Fisrt,
+					nameof(ProcessBookControl.moveFirstBtn) => QueuePosition.First,
 					nameof(ProcessBookControl.moveUpBtn) => QueuePosition.OneUp,
 					nameof(ProcessBookControl.moveDownBtn) => QueuePosition.OneDown,
 					nameof(ProcessBookControl.moveLastBtn) => QueuePosition.Last,
@@ -149,10 +152,7 @@ internal partial class ProcessQueueControl : UserControl
 				};
 
 				if (position is not null)
-				{
 					ViewModel.Queue.MoveQueuePosition(item, position.Value);
-					virtualFlowControl2.RefreshDisplay();
-				}
 			}
 		}
 		catch(Exception ex)
@@ -164,27 +164,7 @@ internal partial class ProcessQueueControl : UserControl
 	#endregion
 
 	private void numericUpDown1_ValueChanged(object? sender, EventArgs e)
-	{
+		=> ViewModel.SpeedLimit = numericUpDown1.Value;
-		var newValue = (long)(numericUpDown1.Value * 1024 * 1024);
-
-		var config = Configuration.Instance;
-		config.DownloadSpeedLimit = newValue;
-		if (config.DownloadSpeedLimit > newValue)
-			numericUpDown1.Value =
-				numericUpDown1.Value == 0.01m ? config.DownloadSpeedLimit / 1024m / 1024
-				: 0;
-
-		numericUpDown1.Increment =
-			numericUpDown1.Value > 100 ? 10
-			: numericUpDown1.Value > 10 ? 1
-			: numericUpDown1.Value > 1 ? 0.1m
-			: 0.01m;
-
-		numericUpDown1.DecimalPlaces =
-			numericUpDown1.Value >= 10 ? 0
-			: numericUpDown1.Value >= 1 ? 1
-			: 2;
-	}
 }
 
 public class NumericUpDownSuffix : NumericUpDown

Source/LibationWinForms/ProcessQueue/ProcessQueueViewModel.cs

@@ -1,24 +0,0 @@
-using DataLayer;
-using LibationUiBase.ProcessQueue;
-using System;
-using System.Collections.Generic;
-
-#nullable enable
-namespace LibationWinForms.ProcessQueue;
-
-internal class ProcessQueueViewModel : ProcessQueueViewModelBase
-{
-	public event EventHandler<string>? LogWritten;
-	public List<ProcessBookViewModelBase> Items { get; }
-
-	public ProcessQueueViewModel() : base(new List<ProcessBookViewModelBase>())
-	{
-		Items = Queue.UnderlyingList as List<ProcessBookViewModelBase>
-			?? throw new ArgumentNullException(nameof(Queue.UnderlyingList));
-	}
-
-	public override void WriteLine(string text) => Invoke(() => LogWritten?.Invoke(this, text.Trim()));
-
-	protected override ProcessBookViewModelBase CreateNewProcessBook(LibraryBook libraryBook)
-		=> new ProcessBookViewModel(libraryBook, Logger);
-}

Source/LibationWinForms/ProcessQueue/VirtualFlowControl.cs

@@ -1,9 +1,11 @@
-using LibationUiBase.ProcessQueue;
+using System;
-using System;
+using System.Collections;
 using System.Collections.Generic;
+using System.Collections.Specialized;
 using System.Drawing;
 using System.Windows.Forms;
 
+#nullable enable
 namespace LibationWinForms.ProcessQueue
 {
 	internal partial class VirtualFlowControl : UserControl
@@ -11,18 +13,28 @@ namespace LibationWinForms.ProcessQueue
 		/// <summary>
 		/// Triggered when one of the <see cref="ProcessBookControl"/>'s buttons has been clicked
 		/// </summary>
-		public event EventHandler<string> ButtonClicked;
+		public event EventHandler<string>? ButtonClicked;
+		public IList? Items { get; private set; }
 
-		private List<ProcessBookViewModelBase> m_Items;
+		private object? m_OldContext;
-		public List<ProcessBookViewModelBase> Items
+		protected override void OnDataContextChanged(EventArgs e)
 		{
-			get => m_Items;
+			if (m_OldContext is INotifyCollectionChanged oldNotify)
-			set
+				oldNotify.CollectionChanged -= Items_CollectionChanged;
+
+			if (DataContext is INotifyCollectionChanged newNotify)
 			{
-				m_Items = value;
+				m_OldContext = newNotify;
-				if (m_Items is not null)
+				newNotify.CollectionChanged += Items_CollectionChanged;
-					RefreshDisplay();
 			}
+
+			Items = DataContext as IList;
+			base.OnDataContextChanged(e);
+		}
+
+		private void Items_CollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
+		{
+			RefreshDisplay();
 		}
 
 		public void RefreshDisplay()
@@ -65,7 +77,7 @@ namespace LibationWinForms.ProcessQueue
 		#region Instance variables
 
 		/// <summary>
-		/// The total height, inclusing margins, of the repeated <see cref="ProcessBookControl"/>
+		/// The total height, including margins, of the repeated <see cref="ProcessBookControl"/>
 		/// </summary>
 		private readonly int VirtualControlHeight;
 		/// <summary>
@@ -137,14 +149,15 @@ namespace LibationWinForms.ProcessQueue
 		/// <summary>
 		/// Handles all button clicks from all <see cref="ProcessBookControl"/>, detects which one sent the click, and fires <see cref="ButtonClicked"/> to notify the model of the click
 		/// </summary>
-		private void ControlButton_Click(object sender, EventArgs e)
+		private void ControlButton_Click(object? sender, EventArgs e)
 		{
-			Control button = sender as Control;
+			Control? button = sender as Control;
-			Control form = button.Parent;
+			Control? form = button?.Parent;
-			while (form is not ProcessBookControl)
+			while (form is not null and not ProcessBookControl)
-				form = form.Parent;
+				form = form?.Parent;
 
-			ButtonClicked?.Invoke(form, button.Name);
+			if (form is not null && button?.Name is string buttonText)
+				ButtonClicked?.Invoke(form, buttonText);
 		}
 
 		/// <summary>
@@ -176,7 +189,7 @@ namespace LibationWinForms.ProcessQueue
 		}
 
 		/// <summary>
-		/// Calculated the virtual controls that are in view at the currrent scroll position and windows size,
+		/// Calculated the virtual controls that are in view at the current scroll position and windows size,
 		/// positions <see cref="panel1"/> to simulate scroll activity, then fires updates the controls with
 		/// the context corresponding to the virtual scroll position
 		/// </summary>
@@ -195,9 +208,10 @@ namespace LibationWinForms.ProcessQueue
 			numVisible = Math.Min(numVisible, VirtualControlCount);
 			numVisible = Math.Min(numVisible, VirtualControlCount - firstVisible);
 
-			for (int i = 0; i < numVisible; i++)
+			if (Items is IList items)
 			{
-				BookControls[i].Context = Items[firstVisible + i];
+				for (int i = 0; i < numVisible; i++)
+					BookControls[i].DataContext = items[firstVisible + i];
 			}
 
 			for (int i = 0; i < BookControls.Count; i++)

Source/Upgrading dotnet version.txt

@@ -6,4 +6,3 @@ For reasons I cannot figure out, upgrading the major .net version breaks Libatio
 
 * https://github.com/Mbucari/AAXClean.Codecs
 * https://github.com/Mbucari/AAXClean
-* https://github.com/Mbucari/serilog-sinks-zipfile