337 lines
11 KiB
C#
337 lines
11 KiB
C#
using DataLayer;
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using Dinah.Core;
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using FileLiberator;
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using LibationWinForms.BookLiberation.BaseForms;
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using System;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace LibationWinForms.BookLiberation
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{
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// decouple serilog and form. include convenience factory method
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public class LogMe
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{
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public event EventHandler<string> LogInfo;
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public event EventHandler<string> LogErrorString;
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public event EventHandler<(Exception, string)> LogError;
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private LogMe()
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{
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LogInfo += (_, text) => Serilog.Log.Logger.Information($"Automated backup: {text}");
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LogErrorString += (_, text) => Serilog.Log.Logger.Error(text);
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LogError += (_, tuple) => Serilog.Log.Logger.Error(tuple.Item1, tuple.Item2 ?? "Automated backup: error");
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}
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public static LogMe RegisterForm(AutomatedBackupsForm form = null)
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{
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var logMe = new LogMe();
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if (form is null)
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return logMe;
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logMe.LogInfo += (_, text) => form?.WriteLine(text);
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logMe.LogErrorString += (_, text) => form?.WriteLine(text);
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logMe.LogError += (_, tuple) =>
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{
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form?.WriteLine(tuple.Item2 ?? "Automated backup: error");
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form?.WriteLine("ERROR: " + tuple.Item1.Message);
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};
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return logMe;
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}
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public void Info(string text) => LogInfo?.Invoke(this, text);
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public void Error(string text) => LogErrorString?.Invoke(this, text);
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public void Error(Exception ex, string text = null) => LogError?.Invoke(this, (ex, text));
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}
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public static class ProcessorAutomationController
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{
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public static async Task BackupSingleBookAsync(LibraryBook libraryBook)
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{
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Serilog.Log.Logger.Information($"Begin {nameof(BackupSingleBookAsync)} {{@DebugInfo}}", new { libraryBook?.Book?.AudibleProductId });
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var logMe = LogMe.RegisterForm();
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var backupBook = CreateBackupBook(logMe);
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// continue even if libraryBook is null. we'll display even that in the processing box
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await new BackupSingle(logMe, backupBook, libraryBook).RunBackupAsync();
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}
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public static async Task BackupAllBooksAsync()
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{
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Serilog.Log.Logger.Information("Begin " + nameof(BackupAllBooksAsync));
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var automatedBackupsForm = new AutomatedBackupsForm();
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var logMe = LogMe.RegisterForm(automatedBackupsForm);
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var backupBook = CreateBackupBook(logMe);
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await new BackupLoop(logMe, backupBook, automatedBackupsForm).RunBackupAsync();
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}
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public static async Task ConvertAllBooksAsync()
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{
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Serilog.Log.Logger.Information("Begin " + nameof(ConvertAllBooksAsync));
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var automatedBackupsForm = new AutomatedBackupsForm();
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var logMe = LogMe.RegisterForm(automatedBackupsForm);
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var convertBook = CreateProcessable<ConvertToMp3, AudioConvertForm>(logMe);
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await new BackupLoop(logMe, convertBook, automatedBackupsForm).RunBackupAsync();
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}
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public static async Task BackupAllPdfsAsync()
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{
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Serilog.Log.Logger.Information("Begin " + nameof(BackupAllPdfsAsync));
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var automatedBackupsForm = new AutomatedBackupsForm();
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var logMe = LogMe.RegisterForm(automatedBackupsForm);
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var downloadPdf = CreateProcessable<DownloadPdf, PdfDownloadForm>(logMe);
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await new BackupLoop(logMe, downloadPdf, automatedBackupsForm).RunBackupAsync();
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}
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private static Processable CreateBackupBook(LogMe logMe)
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{
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var downloadPdf = CreateProcessable<DownloadPdf, PdfDownloadForm>(logMe);
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//Chain pdf download on DownloadDecryptBook.Completed
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async void onDownloadDecryptBookCompleted(object sender, LibraryBook e)
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{
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await downloadPdf.TryProcessAsync(e);
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}
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var downloadDecryptBook = CreateProcessable<DownloadDecryptBook, AudioDecryptForm>(logMe, onDownloadDecryptBookCompleted);
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return downloadDecryptBook;
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}
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public static void DownloadFile(string url, string destination, bool showDownloadCompletedDialog = false)
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{
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Serilog.Log.Logger.Information($"Begin {nameof(DownloadFile)} for {url}");
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void onDownloadFileStreamingCompleted(object sender, string savedFile)
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{
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Serilog.Log.Logger.Information($"Completed {nameof(DownloadFile)} for {url}. Saved to {savedFile}");
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if (showDownloadCompletedDialog)
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MessageBox.Show($"File downloaded to:{Environment.NewLine}{Environment.NewLine}{savedFile}");
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}
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var downloadFile = new DownloadFile();
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var downloadForm = new DownloadForm();
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downloadForm.RegisterFileLiberator(downloadFile);
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downloadFile.StreamingCompleted += onDownloadFileStreamingCompleted;
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async void runDownload() => await downloadFile.PerformDownloadFileAsync(url, destination);
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new Task(runDownload).Start();
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}
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/// <summary>
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/// Create a new <see cref="Processable"/> and links it to a new <see cref="LiberationBaseForm"/>.
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/// </summary>
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/// <typeparam name="TProcessable">The <see cref="Processable"/> derived type to create.</typeparam>
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/// <typeparam name="TForm">The <see cref="LiberationBaseForm"/> derived Form to create on <see cref="Processable.Begin"/>, Show on <see cref="Streamable.StreamingBegin"/>, Close on <see cref="Streamable.StreamingCompleted"/>, and Dispose on <see cref="Processable.Completed"/> </typeparam>
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/// <param name="logMe">The logger</param>
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/// <param name="completedAction">An additional event handler to handle <see cref="Processable.Completed"/></param>
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/// <returns>A new <see cref="Processable"/> of type <typeparamref name="TProcessable"/></returns>
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private static TProcessable CreateProcessable<TProcessable, TForm>(LogMe logMe, EventHandler<LibraryBook> completedAction = null)
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where TForm : LiberationBaseForm, new()
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where TProcessable : Processable, new()
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{
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var strProc = new TProcessable();
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strProc.Begin += (sender, libraryBook) =>
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{
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var processForm = new TForm();
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processForm.RegisterFileLiberator(strProc, logMe);
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processForm.Processable_Begin(sender, libraryBook);
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};
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strProc.Completed += completedAction;
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return strProc;
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}
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}
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internal abstract class BackupRunner
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{
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protected LogMe LogMe { get; }
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protected Processable Processable { get; }
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protected AutomatedBackupsForm AutomatedBackupsForm { get; }
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protected BackupRunner(LogMe logMe, Processable processable, AutomatedBackupsForm automatedBackupsForm = null)
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{
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LogMe = logMe;
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Processable = processable;
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AutomatedBackupsForm = automatedBackupsForm;
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}
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protected abstract Task RunAsync();
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protected abstract string SkipDialogText { get; }
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protected abstract MessageBoxButtons SkipDialogButtons { get; }
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protected abstract MessageBoxDefaultButton SkipDialogDefaultButton { get; }
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protected abstract DialogResult SkipResult { get; }
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public async Task RunBackupAsync()
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{
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AutomatedBackupsForm?.Show();
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try
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{
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await RunAsync();
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}
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catch (Exception ex)
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{
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LogMe.Error(ex);
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}
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AutomatedBackupsForm?.FinalizeUI();
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LogMe.Info("DONE");
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}
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protected async Task<bool> ProcessOneAsync(LibraryBook libraryBook, bool validate)
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{
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try
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{
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var statusHandler = await Processable.ProcessSingleAsync(libraryBook, validate);
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if (statusHandler.IsSuccess)
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return true;
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foreach (var errorMessage in statusHandler.Errors)
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LogMe.Error(errorMessage);
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}
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catch (Exception ex)
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{
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LogMe.Error(ex);
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}
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return showRetry(libraryBook);
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}
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private bool showRetry(LibraryBook libraryBook)
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{
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LogMe.Error("ERROR. All books have not been processed. Most recent book: processing failed");
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DialogResult? dialogResult = FileManager.Configuration.Instance.BadBook switch
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{
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FileManager.Configuration.BadBookAction.Abort => DialogResult.Abort,
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FileManager.Configuration.BadBookAction.Retry => DialogResult.Retry,
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FileManager.Configuration.BadBookAction.Ignore => DialogResult.Ignore,
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FileManager.Configuration.BadBookAction.Ask => null,
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_ => null
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};
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string details;
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try
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{
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static string trunc(string str)
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=> string.IsNullOrWhiteSpace(str) ? "[empty]"
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: (str.Length > 50) ? $"{str.Truncate(47)}..."
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: str;
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details =
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$@" Title: {libraryBook.Book.Title}
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ID: {libraryBook.Book.AudibleProductId}
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Author: {trunc(libraryBook.Book.AuthorNames)}
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Narr: {trunc(libraryBook.Book.NarratorNames)}";
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}
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catch
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{
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details = "[Error retrieving details]";
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}
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// if null then ask user
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dialogResult ??= MessageBox.Show(string.Format(SkipDialogText + "\r\n\r\nSee Settings to avoid this box in the future.", details), "Skip importing this book?", SkipDialogButtons, MessageBoxIcon.Question, SkipDialogDefaultButton);
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if (dialogResult == DialogResult.Abort)
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return false;
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if (dialogResult == SkipResult)
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{
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libraryBook.Book.UserDefinedItem.BookStatus = LiberatedStatus.Error;
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LogMe.Info($"Error. Skip: [{libraryBook.Book.AudibleProductId}] {libraryBook.Book.Title}");
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}
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return true;
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}
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}
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internal class BackupSingle : BackupRunner
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{
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private LibraryBook _libraryBook { get; }
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protected override string SkipDialogText => @"
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An error occurred while trying to process this book. Skip this book permanently?
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{0}
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- Click YES to skip this book permanently.
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- Click NO to skip the book this time only. We'll try again later.
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".Trim();
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protected override MessageBoxButtons SkipDialogButtons => MessageBoxButtons.YesNo;
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protected override MessageBoxDefaultButton SkipDialogDefaultButton => MessageBoxDefaultButton.Button2;
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protected override DialogResult SkipResult => DialogResult.Yes;
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public BackupSingle(LogMe logMe, Processable processable, LibraryBook libraryBook)
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: base(logMe, processable)
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{
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_libraryBook = libraryBook;
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}
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protected override async Task RunAsync()
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{
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if (_libraryBook is not null)
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await ProcessOneAsync(_libraryBook, validate: true);
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}
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}
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internal class BackupLoop : BackupRunner
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{
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protected override string SkipDialogText => @"
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An error occurred while trying to process this book.
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{0}
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- ABORT: Stop processing books.
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- RETRY: retry this book later. Just skip it for now. Continue processing books. (Will try this book again later.)
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- IGNORE: Permanently ignore this book. Continue processing books. (Will not try this book again later.)
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".Trim();
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protected override MessageBoxButtons SkipDialogButtons => MessageBoxButtons.AbortRetryIgnore;
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protected override MessageBoxDefaultButton SkipDialogDefaultButton => MessageBoxDefaultButton.Button1;
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protected override DialogResult SkipResult => DialogResult.Ignore;
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public BackupLoop(LogMe logMe, Processable processable, AutomatedBackupsForm automatedBackupsForm)
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: base(logMe, processable, automatedBackupsForm) { }
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protected override async Task RunAsync()
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{
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// support for 'skip this time only' requires state. iterators provide this state for free. therefore: use foreach/iterator here
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foreach (var libraryBook in Processable.GetValidLibraryBooks(ApplicationServices.DbContexts.GetLibrary_Flat_NoTracking()))
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{
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var keepGoing = await ProcessOneAsync(libraryBook, validate: false);
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if (!keepGoing)
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return;
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if (AutomatedBackupsForm.IsDisposed)
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break;
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if (!AutomatedBackupsForm.KeepGoing)
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{
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if (!AutomatedBackupsForm.KeepGoingChecked)
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LogMe.Info("'Keep going' is unchecked");
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return;
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}
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}
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LogMe.Info("Done. All books have been processed");
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}
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}
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}
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