Move ProcessBookViewModel logic into LiationUiBase

This commit is contained in:
MBucari 2025-07-15 15:01:16 -06:00
parent b65b1e819b
commit 1cf889eed7
11 changed files with 504 additions and 844 deletions

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@ -1,12 +1,10 @@
using Avalonia.Controls;
using Avalonia.Media.Imaging;
using DataLayer;
using Dinah.Core.ErrorHandling;
using LibationAvalonia.ViewModels;
using LibationFileManager;
using NPOI.Util.Collections;
using LibationUiBase.ProcessQueue;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;

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@ -1,420 +1,17 @@
using ApplicationServices;
using AudibleApi;
using AudibleApi.Common;
using Avalonia.Media.Imaging;
using Avalonia.Threading;
using DataLayer;
using Dinah.Core;
using Dinah.Core.ErrorHandling;
using FileLiberator;
using DataLayer;
using LibationFileManager;
using LibationUiBase;
using LibationUiBase.Forms;
using ReactiveUI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using LibationUiBase.ProcessQueue;
#nullable enable
namespace LibationAvalonia.ViewModels
namespace LibationAvalonia.ViewModels;
public class ProcessBookViewModel : ProcessBookViewModelBase
{
public enum ProcessBookResult
{
None,
Success,
Cancelled,
ValidationFail,
FailedRetry,
FailedSkip,
FailedAbort,
LicenseDenied,
LicenseDeniedPossibleOutage
}
public enum ProcessBookStatus
{
Queued,
Cancelled,
Working,
Completed,
Failed
}
public ProcessBookViewModel(LibraryBook libraryBook, LogMe logme) : base(libraryBook, logme) { }
/// <summary>
/// This is the viewmodel for queued processables
/// </summary>
public class ProcessBookViewModel : ViewModelBase
{
public event EventHandler? Completed;
protected override object? LoadImageFromBytes(byte[] bytes, PictureSize pictureSize)
=> AvaloniaUtils.TryLoadImageOrDefault(bytes, pictureSize);
public LibraryBook LibraryBook { get; private set; }
private ProcessBookResult _result = ProcessBookResult.None;
private ProcessBookStatus _status = ProcessBookStatus.Queued;
private string? _narrator;
private string? _author;
private string? _title;
private int _progress;
private string? _eta;
private Bitmap? _cover;
#region Properties exposed to the view
public ProcessBookResult Result { get => _result; set { this.RaiseAndSetIfChanged(ref _result, value); this.RaisePropertyChanged(nameof(StatusText)); } }
public ProcessBookStatus Status { get => _status; set { this.RaiseAndSetIfChanged(ref _status, value); this.RaisePropertyChanged(nameof(IsFinished)); this.RaisePropertyChanged(nameof(IsDownloading)); this.RaisePropertyChanged(nameof(Queued)); } }
public string? Narrator { get => _narrator; set => Dispatcher.UIThread.Invoke(() => this.RaiseAndSetIfChanged(ref _narrator, value)); }
public string? Author { get => _author; set => Dispatcher.UIThread.Invoke(() => this.RaiseAndSetIfChanged(ref _author, value)); }
public string? Title { get => _title; set => Dispatcher.UIThread.Invoke(() => this.RaiseAndSetIfChanged(ref _title, value)); }
public int Progress { get => _progress; private set => Dispatcher.UIThread.Invoke(() => this.RaiseAndSetIfChanged(ref _progress, value)); }
public string? ETA { get => _eta; private set => Dispatcher.UIThread.Invoke(() => this.RaiseAndSetIfChanged(ref _eta, value)); }
public Bitmap? Cover { get => _cover; private set => Dispatcher.UIThread.Invoke(() => this.RaiseAndSetIfChanged(ref _cover, value)); }
public bool IsFinished => Status is not ProcessBookStatus.Queued and not ProcessBookStatus.Working;
public bool IsDownloading => Status is ProcessBookStatus.Working;
public bool Queued => Status is ProcessBookStatus.Queued;
public string StatusText => Result switch
{
ProcessBookResult.Success => "Finished",
ProcessBookResult.Cancelled => "Cancelled",
ProcessBookResult.ValidationFail => "Validation fail",
ProcessBookResult.FailedRetry => "Error, will retry later",
ProcessBookResult.FailedSkip => "Error, Skipping",
ProcessBookResult.FailedAbort => "Error, Abort",
ProcessBookResult.LicenseDenied => "License Denied",
ProcessBookResult.LicenseDeniedPossibleOutage => "Possible Service Interruption",
_ => Status.ToString(),
};
#endregion
private TimeSpan TimeRemaining { set { ETA = $"ETA: {value:mm\\:ss}"; } }
private Processable CurrentProcessable => _currentProcessable ??= Processes.Dequeue().Invoke();
private Processable? NextProcessable() => _currentProcessable = null;
private Processable? _currentProcessable;
private readonly Queue<Func<Processable>> Processes = new();
private readonly LogMe Logger;
public ProcessBookViewModel(LibraryBook libraryBook, LogMe logme)
{
LibraryBook = libraryBook;
Logger = logme;
_title = LibraryBook.Book.TitleWithSubtitle;
_author = LibraryBook.Book.AuthorNames();
_narrator = LibraryBook.Book.NarratorNames();
(bool isDefault, byte[] picture) = PictureStorage.GetPicture(new PictureDefinition(LibraryBook.Book.PictureId, PictureSize._80x80));
if (isDefault)
PictureStorage.PictureCached += PictureStorage_PictureCached;
// Mutable property. Set the field so PropertyChanged isn't fired.
_cover = AvaloniaUtils.TryLoadImageOrDefault(picture, PictureSize._80x80);
}
private void PictureStorage_PictureCached(object? sender, PictureCachedEventArgs e)
{
if (e.Definition.PictureId == LibraryBook.Book.PictureId)
{
Cover = AvaloniaUtils.TryLoadImageOrDefault(e.Picture, PictureSize._80x80);
PictureStorage.PictureCached -= PictureStorage_PictureCached;
}
}
public async Task<ProcessBookResult> ProcessOneAsync()
{
string procName = CurrentProcessable.Name;
ProcessBookResult result = ProcessBookResult.None;
try
{
LinkProcessable(CurrentProcessable);
var statusHandler = await CurrentProcessable.ProcessSingleAsync(LibraryBook, validate: true);
if (statusHandler.IsSuccess)
result = ProcessBookResult.Success;
else if (statusHandler.Errors.Contains("Cancelled"))
{
Logger.Info($"{procName}: Process was cancelled - {LibraryBook.Book}");
result = ProcessBookResult.Cancelled;
}
else if (statusHandler.Errors.Contains("Validation failed"))
{
Logger.Info($"{procName}: Validation failed - {LibraryBook.Book}");
result = ProcessBookResult.ValidationFail;
}
else
{
foreach (var errorMessage in statusHandler.Errors)
Logger.Error($"{procName}: {errorMessage}");
}
}
catch (ContentLicenseDeniedException ldex)
{
if (ldex.AYCL?.RejectionReason is null or RejectionReason.GenericError)
{
Logger.Info($"{procName}: Content license was denied, but this error appears to be caused by a temporary interruption of service. - {LibraryBook.Book}");
result = ProcessBookResult.LicenseDeniedPossibleOutage;
}
else
{
Logger.Info($"{procName}: Content license denied. Check your Audible account to see if you have access to this title. - {LibraryBook.Book}");
result = ProcessBookResult.LicenseDenied;
}
}
catch (Exception ex)
{
Logger.Error(ex, procName);
}
finally
{
if (result == ProcessBookResult.None)
result = await showRetry(LibraryBook);
var status = result switch
{
ProcessBookResult.Success => ProcessBookStatus.Completed,
ProcessBookResult.Cancelled => ProcessBookStatus.Cancelled,
_ => ProcessBookStatus.Failed,
};
await Dispatcher.UIThread.InvokeAsync(() => Status = status);
}
await Dispatcher.UIThread.InvokeAsync(() => Result = result);
return result;
}
public async Task CancelAsync()
{
try
{
if (CurrentProcessable is AudioDecodable audioDecodable)
await audioDecodable.CancelAsync();
}
catch (Exception ex)
{
Logger.Error(ex, $"{CurrentProcessable.Name}: Error while cancelling");
}
}
public void AddDownloadPdf() => AddProcessable<DownloadPdf>();
public void AddDownloadDecryptBook() => AddProcessable<DownloadDecryptBook>();
public void AddConvertToMp3() => AddProcessable<ConvertToMp3>();
private void AddProcessable<T>() where T : Processable, new()
{
Processes.Enqueue(() => new T());
}
public override string ToString() => LibraryBook.ToString();
#region Subscribers and Unsubscribers
private void LinkProcessable(Processable processable)
{
processable.Begin += Processable_Begin;
processable.Completed += Processable_Completed;
processable.StreamingProgressChanged += Streamable_StreamingProgressChanged;
processable.StreamingTimeRemaining += Streamable_StreamingTimeRemaining;
if (processable is AudioDecodable audioDecodable)
{
audioDecodable.RequestCoverArt += AudioDecodable_RequestCoverArt;
audioDecodable.TitleDiscovered += AudioDecodable_TitleDiscovered;
audioDecodable.AuthorsDiscovered += AudioDecodable_AuthorsDiscovered;
audioDecodable.NarratorsDiscovered += AudioDecodable_NarratorsDiscovered;
audioDecodable.CoverImageDiscovered += AudioDecodable_CoverImageDiscovered;
}
}
private void UnlinkProcessable(Processable processable)
{
processable.Begin -= Processable_Begin;
processable.Completed -= Processable_Completed;
processable.StreamingProgressChanged -= Streamable_StreamingProgressChanged;
processable.StreamingTimeRemaining -= Streamable_StreamingTimeRemaining;
if (processable is AudioDecodable audioDecodable)
{
audioDecodable.RequestCoverArt -= AudioDecodable_RequestCoverArt;
audioDecodable.TitleDiscovered -= AudioDecodable_TitleDiscovered;
audioDecodable.AuthorsDiscovered -= AudioDecodable_AuthorsDiscovered;
audioDecodable.NarratorsDiscovered -= AudioDecodable_NarratorsDiscovered;
audioDecodable.CoverImageDiscovered -= AudioDecodable_CoverImageDiscovered;
}
}
#endregion
#region AudioDecodable event handlers
private void AudioDecodable_TitleDiscovered(object? sender, string title) => Title = title;
private void AudioDecodable_AuthorsDiscovered(object? sender, string authors) => Author = authors;
private void AudioDecodable_NarratorsDiscovered(object? sender, string narrators) => Narrator = narrators;
private byte[] AudioDecodable_RequestCoverArt(object? sender, EventArgs e)
{
var quality
= Configuration.Instance.FileDownloadQuality == Configuration.DownloadQuality.High && LibraryBook.Book.PictureLarge is not null
? new PictureDefinition(LibraryBook.Book.PictureLarge, PictureSize.Native)
: new PictureDefinition(LibraryBook.Book.PictureId, PictureSize._500x500);
byte[] coverData = PictureStorage.GetPictureSynchronously(quality);
AudioDecodable_CoverImageDiscovered(this, coverData);
return coverData;
}
private void AudioDecodable_CoverImageDiscovered(object? sender, byte[] coverArt)
{
using var ms = new System.IO.MemoryStream(coverArt);
Cover = new Avalonia.Media.Imaging.Bitmap(ms);
}
#endregion
#region Streamable event handlers
private void Streamable_StreamingTimeRemaining(object? sender, TimeSpan timeRemaining) => TimeRemaining = timeRemaining;
private void Streamable_StreamingProgressChanged(object? sender, Dinah.Core.Net.Http.DownloadProgress downloadProgress)
{
if (!downloadProgress.ProgressPercentage.HasValue)
return;
if (downloadProgress.ProgressPercentage == 0)
TimeRemaining = TimeSpan.Zero;
else
Progress = (int)downloadProgress.ProgressPercentage;
}
#endregion
#region Processable event handlers
private async void Processable_Begin(object? sender, LibraryBook libraryBook)
{
await Dispatcher.UIThread.InvokeAsync(() => Status = ProcessBookStatus.Working);
if (sender is Processable processable)
Logger.Info($"{Environment.NewLine}{processable.Name} Step, Begin: {libraryBook.Book}");
Title = libraryBook.Book.TitleWithSubtitle;
Author = libraryBook.Book.AuthorNames();
Narrator = libraryBook.Book.NarratorNames();
}
private async void Processable_Completed(object? sender, LibraryBook libraryBook)
{
if (sender is Processable processable)
{
Logger.Info($"{processable.Name} Step, Completed: {libraryBook.Book}");
UnlinkProcessable(processable);
}
if (Processes.Count == 0)
{
Completed?.Invoke(this, EventArgs.Empty);
return;
}
NextProcessable();
LinkProcessable(CurrentProcessable);
StatusHandler result;
try
{
result = await CurrentProcessable.ProcessSingleAsync(libraryBook, validate: true);
}
catch (Exception ex)
{
Serilog.Log.Logger.Error(ex, $"{nameof(Processable_Completed)} error");
result = new StatusHandler();
result.AddError($"{nameof(Processable_Completed)} error. See log for details. Error summary: {ex.Message}");
}
if (result.HasErrors)
{
foreach (var errorMessage in result.Errors.Where(e => e != "Validation failed"))
Logger.Error(errorMessage);
Completed?.Invoke(this, EventArgs.Empty);
}
}
#endregion
#region Failure Handler
private async Task<ProcessBookResult> showRetry(LibraryBook libraryBook)
{
Logger.Error("ERROR. All books have not been processed. Most recent book: processing failed");
DialogResult? dialogResult = Configuration.Instance.BadBook switch
{
Configuration.BadBookAction.Abort => DialogResult.Abort,
Configuration.BadBookAction.Retry => DialogResult.Retry,
Configuration.BadBookAction.Ignore => DialogResult.Ignore,
Configuration.BadBookAction.Ask => null,
_ => null
};
string details;
try
{
static string trunc(string str)
=> string.IsNullOrWhiteSpace(str) ? "[empty]"
: (str.Length > 50) ? $"{str.Truncate(47)}..."
: str;
details =
$@" Title: {libraryBook.Book.TitleWithSubtitle}
ID: {libraryBook.Book.AudibleProductId}
Author: {trunc(libraryBook.Book.AuthorNames())}
Narr: {trunc(libraryBook.Book.NarratorNames())}";
}
catch
{
details = "[Error retrieving details]";
}
// if null then ask user
dialogResult ??= await MessageBox.Show(string.Format(SkipDialogText + "\r\n\r\nSee Settings to avoid this box in the future.", details), "Skip importing this book?", SkipDialogButtons, MessageBoxIcon.Question, SkipDialogDefaultButton);
if (dialogResult == DialogResult.Abort)
return ProcessBookResult.FailedAbort;
if (dialogResult == SkipResult)
{
libraryBook.UpdateBookStatus(LiberatedStatus.Error);
Logger.Info($"Error. Skip: [{libraryBook.Book.AudibleProductId}] {libraryBook.Book.TitleWithSubtitle}");
return ProcessBookResult.FailedSkip;
}
return ProcessBookResult.FailedRetry;
}
private static string SkipDialogText => @"
An error occurred while trying to process this book.
{0}
- ABORT: Stop processing books.
- RETRY: retry this book later. Just skip it for now. Continue processing books. (Will try this book again later.)
- IGNORE: Permanently ignore this book. Continue processing books. (Will not try this book again later.)
".Trim();
private static MessageBoxButtons SkipDialogButtons => MessageBoxButtons.AbortRetryIgnore;
private static MessageBoxDefaultButton SkipDialogDefaultButton => MessageBoxDefaultButton.Button1;
private static DialogResult SkipResult => DialogResult.Ignore;
}
#endregion
}

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@ -6,6 +6,7 @@ using DataLayer;
using LibationFileManager;
using LibationUiBase;
using LibationUiBase.Forms;
using LibationUiBase.ProcessQueue;
using ReactiveUI;
using System;
using System.Collections.Generic;

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@ -4,6 +4,7 @@ using Avalonia.Controls;
using DataLayer;
using LibationAvalonia.ViewModels;
using LibationUiBase;
using LibationUiBase.ProcessQueue;
namespace LibationAvalonia.Views
{

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@ -5,6 +5,7 @@ using Avalonia.Data.Converters;
using DataLayer;
using LibationAvalonia.ViewModels;
using LibationUiBase;
using LibationUiBase.ProcessQueue;
using System;
using System.Collections.Generic;
using System.Globalization;

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@ -0,0 +1,420 @@
using ApplicationServices;
using AudibleApi;
using AudibleApi.Common;
using DataLayer;
using Dinah.Core;
using Dinah.Core.ErrorHandling;
using FileLiberator;
using LibationFileManager;
using LibationUiBase.Forms;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
#nullable enable
namespace LibationUiBase.ProcessQueue;
public enum ProcessBookResult
{
None,
Success,
Cancelled,
ValidationFail,
FailedRetry,
FailedSkip,
FailedAbort,
LicenseDenied,
LicenseDeniedPossibleOutage
}
public enum ProcessBookStatus
{
Queued,
Cancelled,
Working,
Completed,
Failed
}
/// <summary>
/// This is the viewmodel for queued processables
/// </summary>
public abstract class ProcessBookViewModelBase : ReactiveObject
{
public event EventHandler? Completed;
private readonly LogMe Logger;
public LibraryBook LibraryBook { get; protected set; }
private ProcessBookResult _result = ProcessBookResult.None;
private ProcessBookStatus _status = ProcessBookStatus.Queued;
private string? _narrator;
private string? _author;
private string? _title;
private int _progress;
private string? _eta;
private object? _cover;
private TimeSpan _timeRemaining;
#region Properties exposed to the view
public ProcessBookResult Result { get => _result; set { RaiseAndSetIfChanged(ref _result, value); RaisePropertyChanged(nameof(StatusText)); } }
public ProcessBookStatus Status { get => _status; set { RaiseAndSetIfChanged(ref _status, value); RaisePropertyChanged(nameof(IsFinished)); RaisePropertyChanged(nameof(IsDownloading)); RaisePropertyChanged(nameof(Queued)); } }
public string? Narrator { get => _narrator; set => RaiseAndSetIfChanged(ref _narrator, value); }
public string? Author { get => _author; set => RaiseAndSetIfChanged(ref _author, value); }
public string? Title { get => _title; set => RaiseAndSetIfChanged(ref _title, value); }
public int Progress { get => _progress; protected set => RaiseAndSetIfChanged(ref _progress, value); }
public TimeSpan TimeRemaining { get => _timeRemaining; set { RaiseAndSetIfChanged(ref _timeRemaining, value); ETA = $"ETA: {value:mm\\:ss}"; } }
public string? ETA { get => _eta; private set => RaiseAndSetIfChanged(ref _eta, value); }
public object? Cover { get => _cover; protected set => RaiseAndSetIfChanged(ref _cover, value); }
public bool IsFinished => Status is not ProcessBookStatus.Queued and not ProcessBookStatus.Working;
public bool IsDownloading => Status is ProcessBookStatus.Working;
public bool Queued => Status is ProcessBookStatus.Queued;
public string StatusText => Result switch
{
ProcessBookResult.Success => "Finished",
ProcessBookResult.Cancelled => "Cancelled",
ProcessBookResult.ValidationFail => "Validation fail",
ProcessBookResult.FailedRetry => "Error, will retry later",
ProcessBookResult.FailedSkip => "Error, Skipping",
ProcessBookResult.FailedAbort => "Error, Abort",
ProcessBookResult.LicenseDenied => "License Denied",
ProcessBookResult.LicenseDeniedPossibleOutage => "Possible Service Interruption",
_ => Status.ToString(),
};
#endregion
protected Processable CurrentProcessable => _currentProcessable ??= Processes.Dequeue().Invoke();
protected Processable? NextProcessable() => _currentProcessable = null;
private Processable? _currentProcessable;
protected readonly Queue<Func<Processable>> Processes = new();
protected ProcessBookViewModelBase(LibraryBook libraryBook, LogMe logme)
{
LibraryBook = libraryBook;
Logger = logme;
_title = LibraryBook.Book.TitleWithSubtitle;
_author = LibraryBook.Book.AuthorNames();
_narrator = LibraryBook.Book.NarratorNames();
(bool isDefault, byte[] picture) = PictureStorage.GetPicture(new PictureDefinition(LibraryBook.Book.PictureId, PictureSize._80x80));
if (isDefault)
PictureStorage.PictureCached += PictureStorage_PictureCached;
// Mutable property. Set the field so PropertyChanged isn't fired.
_cover = LoadImageFromBytes(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);
PictureStorage.PictureCached -= PictureStorage_PictureCached;
}
}
public async Task<ProcessBookResult> ProcessOneAsync()
{
string procName = CurrentProcessable.Name;
ProcessBookResult result = ProcessBookResult.None;
try
{
LinkProcessable(CurrentProcessable);
var statusHandler = await CurrentProcessable.ProcessSingleAsync(LibraryBook, validate: true);
if (statusHandler.IsSuccess)
result = ProcessBookResult.Success;
else if (statusHandler.Errors.Contains("Cancelled"))
{
Logger.Info($"{procName}: Process was cancelled - {LibraryBook.Book}");
result = ProcessBookResult.Cancelled;
}
else if (statusHandler.Errors.Contains("Validation failed"))
{
Logger.Info($"{procName}: Validation failed - {LibraryBook.Book}");
result = ProcessBookResult.ValidationFail;
}
else
{
foreach (var errorMessage in statusHandler.Errors)
Logger.Error($"{procName}: {errorMessage}");
}
}
catch (ContentLicenseDeniedException ldex)
{
if (ldex.AYCL?.RejectionReason is null or RejectionReason.GenericError)
{
Logger.Info($"{procName}: Content license was denied, but this error appears to be caused by a temporary interruption of service. - {LibraryBook.Book}");
result = ProcessBookResult.LicenseDeniedPossibleOutage;
}
else
{
Logger.Info($"{procName}: Content license denied. Check your Audible account to see if you have access to this title. - {LibraryBook.Book}");
result = ProcessBookResult.LicenseDenied;
}
}
catch (Exception ex)
{
Logger.Error(ex, procName);
}
finally
{
if (result == ProcessBookResult.None)
result = await showRetry(LibraryBook);
var status = result switch
{
ProcessBookResult.Success => ProcessBookStatus.Completed,
ProcessBookResult.Cancelled => ProcessBookStatus.Cancelled,
_ => ProcessBookStatus.Failed,
};
Status = status;
}
Result = result;
return result;
}
public async Task CancelAsync()
{
try
{
if (CurrentProcessable is AudioDecodable audioDecodable)
await audioDecodable.CancelAsync();
}
catch (Exception ex)
{
Logger.Error(ex, $"{CurrentProcessable.Name}: Error while cancelling");
}
}
public void AddDownloadPdf() => AddProcessable<DownloadPdf>();
public void AddDownloadDecryptBook() => AddProcessable<DownloadDecryptBook>();
public void AddConvertToMp3() => AddProcessable<ConvertToMp3>();
private void AddProcessable<T>() where T : Processable, new()
{
Processes.Enqueue(() => new T());
}
public override string ToString() => LibraryBook.ToString();
#region Subscribers and Unsubscribers
private void LinkProcessable(Processable processable)
{
processable.Begin += Processable_Begin;
processable.Completed += Processable_Completed;
processable.StreamingProgressChanged += Streamable_StreamingProgressChanged;
processable.StreamingTimeRemaining += Streamable_StreamingTimeRemaining;
if (processable is AudioDecodable audioDecodable)
{
audioDecodable.RequestCoverArt += AudioDecodable_RequestCoverArt;
audioDecodable.TitleDiscovered += AudioDecodable_TitleDiscovered;
audioDecodable.AuthorsDiscovered += AudioDecodable_AuthorsDiscovered;
audioDecodable.NarratorsDiscovered += AudioDecodable_NarratorsDiscovered;
audioDecodable.CoverImageDiscovered += AudioDecodable_CoverImageDiscovered;
}
}
private void UnlinkProcessable(Processable processable)
{
processable.Begin -= Processable_Begin;
processable.Completed -= Processable_Completed;
processable.StreamingProgressChanged -= Streamable_StreamingProgressChanged;
processable.StreamingTimeRemaining -= Streamable_StreamingTimeRemaining;
if (processable is AudioDecodable audioDecodable)
{
audioDecodable.RequestCoverArt -= AudioDecodable_RequestCoverArt;
audioDecodable.TitleDiscovered -= AudioDecodable_TitleDiscovered;
audioDecodable.AuthorsDiscovered -= AudioDecodable_AuthorsDiscovered;
audioDecodable.NarratorsDiscovered -= AudioDecodable_NarratorsDiscovered;
audioDecodable.CoverImageDiscovered -= AudioDecodable_CoverImageDiscovered;
}
}
#endregion
#region AudioDecodable event handlers
private void AudioDecodable_TitleDiscovered(object? sender, string title) => Title = title;
private void AudioDecodable_AuthorsDiscovered(object? sender, string authors) => Author = authors;
private void AudioDecodable_NarratorsDiscovered(object? sender, string narrators) => Narrator = narrators;
private byte[] AudioDecodable_RequestCoverArt(object? sender, EventArgs e)
{
var quality
= Configuration.Instance.FileDownloadQuality == Configuration.DownloadQuality.High && LibraryBook.Book.PictureLarge is not null
? new PictureDefinition(LibraryBook.Book.PictureLarge, PictureSize.Native)
: new PictureDefinition(LibraryBook.Book.PictureId, PictureSize._500x500);
byte[] coverData = PictureStorage.GetPictureSynchronously(quality);
AudioDecodable_CoverImageDiscovered(this, coverData);
return coverData;
}
private void AudioDecodable_CoverImageDiscovered(object? sender, byte[] coverArt)
{
Cover = LoadImageFromBytes(coverArt, PictureSize._80x80);
}
#endregion
#region Streamable event handlers
private void Streamable_StreamingTimeRemaining(object? sender, TimeSpan timeRemaining) => TimeRemaining = timeRemaining;
private void Streamable_StreamingProgressChanged(object? sender, Dinah.Core.Net.Http.DownloadProgress downloadProgress)
{
if (!downloadProgress.ProgressPercentage.HasValue)
return;
if (downloadProgress.ProgressPercentage == 0)
TimeRemaining = TimeSpan.Zero;
else
Progress = (int)downloadProgress.ProgressPercentage;
}
#endregion
#region Processable event handlers
private void Processable_Begin(object? sender, LibraryBook libraryBook)
{
Status = ProcessBookStatus.Working;
if (sender is Processable processable)
Logger.Info($"{Environment.NewLine}{processable.Name} Step, Begin: {libraryBook.Book}");
Title = libraryBook.Book.TitleWithSubtitle;
Author = libraryBook.Book.AuthorNames();
Narrator = libraryBook.Book.NarratorNames();
}
private async void Processable_Completed(object? sender, LibraryBook libraryBook)
{
if (sender is Processable processable)
{
Logger.Info($"{processable.Name} Step, Completed: {libraryBook.Book}");
UnlinkProcessable(processable);
}
if (Processes.Count == 0)
{
Completed?.Invoke(this, EventArgs.Empty);
return;
}
NextProcessable();
LinkProcessable(CurrentProcessable);
StatusHandler result;
try
{
result = await CurrentProcessable.ProcessSingleAsync(libraryBook, validate: true);
}
catch (Exception ex)
{
Serilog.Log.Logger.Error(ex, $"{nameof(Processable_Completed)} error");
result = new StatusHandler();
result.AddError($"{nameof(Processable_Completed)} error. See log for details. Error summary: {ex.Message}");
}
if (result.HasErrors)
{
foreach (var errorMessage in result.Errors.Where(e => e != "Validation failed"))
Logger.Error(errorMessage);
Completed?.Invoke(this, EventArgs.Empty);
}
}
#endregion
#region Failure Handler
protected async Task<ProcessBookResult> showRetry(LibraryBook libraryBook)
{
Logger.Error("ERROR. All books have not been processed. Most recent book: processing failed");
DialogResult? dialogResult = Configuration.Instance.BadBook switch
{
Configuration.BadBookAction.Abort => DialogResult.Abort,
Configuration.BadBookAction.Retry => DialogResult.Retry,
Configuration.BadBookAction.Ignore => DialogResult.Ignore,
Configuration.BadBookAction.Ask => null,
_ => null
};
string details;
try
{
static string trunc(string str)
=> string.IsNullOrWhiteSpace(str) ? "[empty]"
: (str.Length > 50) ? $"{str.Truncate(47)}..."
: str;
details =
$@" Title: {libraryBook.Book.TitleWithSubtitle}
ID: {libraryBook.Book.AudibleProductId}
Author: {trunc(libraryBook.Book.AuthorNames())}
Narr: {trunc(libraryBook.Book.NarratorNames())}";
}
catch
{
details = "[Error retrieving details]";
}
// if null then ask user
dialogResult ??= await MessageBoxBase.Show(string.Format(SkipDialogText + "\r\n\r\nSee Settings to avoid this box in the future.", details), "Skip importing this book?", SkipDialogButtons, MessageBoxIcon.Question, SkipDialogDefaultButton);
if (dialogResult == DialogResult.Abort)
return ProcessBookResult.FailedAbort;
if (dialogResult == SkipResult)
{
libraryBook.UpdateBookStatus(LiberatedStatus.Error);
Logger.Info($"Error. Skip: [{libraryBook.Book.AudibleProductId}] {libraryBook.Book.TitleWithSubtitle}");
return ProcessBookResult.FailedSkip;
}
return ProcessBookResult.FailedRetry;
}
private static string SkipDialogText => @"
An error occurred while trying to process this book.
{0}
- ABORT: Stop processing books.
- RETRY: retry this book later. Just skip it for now. Continue processing books. (Will try this book again later.)
- IGNORE: Permanently ignore this book. Continue processing books. (Will not try this book again later.)
".Trim();
private static MessageBoxButtons SkipDialogButtons => MessageBoxButtons.AbortRetryIgnore;
private static MessageBoxDefaultButton SkipDialogDefaultButton => MessageBoxDefaultButton.Button1;
private static DialogResult SkipResult => DialogResult.Ignore;
#endregion
}

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@ -0,0 +1,33 @@
using Dinah.Core.Threading;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;
#nullable enable
namespace LibationUiBase;
public class ReactiveObject : SynchronizeInvoker, INotifyPropertyChanged, INotifyPropertyChanging
{
public event PropertyChangedEventHandler? PropertyChanged;
public event PropertyChangingEventHandler? PropertyChanging;
public void RaisePropertyChanging(PropertyChangingEventArgs args) => this.UIThreadSync(() => PropertyChanging?.Invoke(this, args));
public void RaisePropertyChanging(string propertyName) => RaisePropertyChanging(new PropertyChangingEventArgs(propertyName));
public void RaisePropertyChanged(PropertyChangedEventArgs args) => this.UIThreadSync(() => PropertyChanged?.Invoke(this, args));
public void RaisePropertyChanged(string propertyName) => RaisePropertyChanged(new PropertyChangedEventArgs(propertyName));
public TRet RaiseAndSetIfChanged<TRet>(ref TRet backingField, TRet newValue, [CallerMemberName] string? propertyName = null)
{
ArgumentException.ThrowIfNullOrWhiteSpace(propertyName, nameof(propertyName));
if (!EqualityComparer<TRet>.Default.Equals(backingField, newValue))
{
RaisePropertyChanging(propertyName);
backingField = newValue;
RaisePropertyChanged(propertyName!);
}
return newValue;
}
}

View File

@ -1,410 +0,0 @@
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using System.Windows.Forms;
using ApplicationServices;
using AudibleApi.Common;
using AudibleApi;
using DataLayer;
using Dinah.Core;
using Dinah.Core.ErrorHandling;
using FileLiberator;
using LibationFileManager;
using LibationUiBase;
namespace LibationWinForms.ProcessQueue
{
public enum ProcessBookResult
{
None,
Success,
Cancelled,
ValidationFail,
FailedRetry,
FailedSkip,
FailedAbort,
LicenseDenied,
LicenseDeniedPossibleOutage
}
public enum ProcessBookStatus
{
Queued,
Cancelled,
Working,
Completed,
Failed
}
/// <summary>
/// This is the viewmodel for queued processables
/// </summary>
public class ProcessBook : INotifyPropertyChanged
{
public event EventHandler Completed;
public event PropertyChangedEventHandler PropertyChanged;
private ProcessBookResult _result = ProcessBookResult.None;
private ProcessBookStatus _status = ProcessBookStatus.Queued;
private string _bookText;
private int _progress;
private TimeSpan _timeRemaining;
private Image _cover;
public ProcessBookResult Result { get => _result; private set { _result = value; NotifyPropertyChanged(); } }
public ProcessBookStatus Status { get => _status; private set { _status = value; NotifyPropertyChanged(); } }
public string BookText { get => _bookText; private set { _bookText = value; NotifyPropertyChanged(); } }
public int Progress { get => _progress; private set { _progress = value; NotifyPropertyChanged(); } }
public TimeSpan TimeRemaining { get => _timeRemaining; private set { _timeRemaining = value; NotifyPropertyChanged(); } }
public Image Cover { get => _cover; private set { _cover = value; NotifyPropertyChanged(); } }
public LibraryBook LibraryBook { get; private set; }
private Processable CurrentProcessable => _currentProcessable ??= Processes.Dequeue().Invoke();
private Processable NextProcessable() => _currentProcessable = null;
private Processable _currentProcessable;
private readonly Queue<Func<Processable>> Processes = new();
private readonly LogMe Logger;
public void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
=> PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
public ProcessBook(LibraryBook libraryBook, LogMe logme)
{
LibraryBook = libraryBook;
Logger = logme;
title = LibraryBook.Book.TitleWithSubtitle;
authorNames = LibraryBook.Book.AuthorNames();
narratorNames = LibraryBook.Book.NarratorNames();
_bookText = $"{title}\r\nBy {authorNames}\r\nNarrated by {narratorNames}";
(bool isDefault, byte[] picture) = PictureStorage.GetPicture(new PictureDefinition(LibraryBook.Book.PictureId, PictureSize._80x80));
if (isDefault)
PictureStorage.PictureCached += PictureStorage_PictureCached;
_cover = WinFormsUtil.TryLoadImageOrDefault(picture, PictureSize._80x80); ;
}
private void PictureStorage_PictureCached(object sender, PictureCachedEventArgs e)
{
if (e.Definition.PictureId == LibraryBook.Book.PictureId)
{
Cover = WinFormsUtil.TryLoadImageOrDefault(e.Picture, PictureSize._80x80);
PictureStorage.PictureCached -= PictureStorage_PictureCached;
}
}
public async Task<ProcessBookResult> ProcessOneAsync()
{
string procName = CurrentProcessable.Name;
try
{
LinkProcessable(CurrentProcessable);
var statusHandler = await CurrentProcessable.ProcessSingleAsync(LibraryBook, validate: true);
if (statusHandler.IsSuccess)
return Result = ProcessBookResult.Success;
else if (statusHandler.Errors.Contains("Cancelled"))
{
Logger.Info($"{procName}: Process was cancelled - {LibraryBook.Book}");
return Result = ProcessBookResult.Cancelled;
}
else if (statusHandler.Errors.Contains("Validation failed"))
{
Logger.Info($"{procName}: Validation failed - {LibraryBook.Book}");
return Result = ProcessBookResult.ValidationFail;
}
foreach (var errorMessage in statusHandler.Errors)
Logger.Error($"{procName}: {errorMessage}");
}
catch (ContentLicenseDeniedException ldex)
{
if (ldex.AYCL?.RejectionReason is null or RejectionReason.GenericError)
{
Logger.Info($"{procName}: Content license was denied, but this error appears to be caused by a temporary interruption of service. - {LibraryBook.Book}");
return Result = ProcessBookResult.LicenseDeniedPossibleOutage;
}
else
{
Logger.Info($"{procName}: Content license denied. Check your Audible account to see if you have access to this title. - {LibraryBook.Book}");
return Result = ProcessBookResult.LicenseDenied;
}
}
catch (Exception ex)
{
Logger.Error(ex, procName);
}
finally
{
if (Result == ProcessBookResult.None)
Result = showRetry(LibraryBook);
Status = Result switch
{
ProcessBookResult.Success => ProcessBookStatus.Completed,
ProcessBookResult.Cancelled => ProcessBookStatus.Cancelled,
_ => ProcessBookStatus.Failed,
};
}
return Result;
}
public async Task CancelAsync()
{
try
{
if (CurrentProcessable is AudioDecodable audioDecodable)
await audioDecodable.CancelAsync();
}
catch (Exception ex)
{
Logger.Error(ex, $"{CurrentProcessable.Name}: Error while cancelling");
}
}
public void AddDownloadPdf() => AddProcessable<DownloadPdf>();
public void AddDownloadDecryptBook() => AddProcessable<DownloadDecryptBook>();
public void AddConvertToMp3() => AddProcessable<ConvertToMp3>();
private void AddProcessable<T>() where T : Processable, new()
{
Processes.Enqueue(() => new T());
}
public override string ToString() => LibraryBook.ToString();
#region Subscribers and Unsubscribers
private void LinkProcessable(Processable processable)
{
processable.Begin += Processable_Begin;
processable.Completed += Processable_Completed;
processable.StreamingProgressChanged += Streamable_StreamingProgressChanged;
processable.StreamingTimeRemaining += Streamable_StreamingTimeRemaining;
if (processable is AudioDecodable audioDecodable)
{
audioDecodable.RequestCoverArt += AudioDecodable_RequestCoverArt;
audioDecodable.TitleDiscovered += AudioDecodable_TitleDiscovered;
audioDecodable.AuthorsDiscovered += AudioDecodable_AuthorsDiscovered;
audioDecodable.NarratorsDiscovered += AudioDecodable_NarratorsDiscovered;
audioDecodable.CoverImageDiscovered += AudioDecodable_CoverImageDiscovered;
}
}
private void UnlinkProcessable(Processable processable)
{
processable.Begin -= Processable_Begin;
processable.Completed -= Processable_Completed;
processable.StreamingProgressChanged -= Streamable_StreamingProgressChanged;
processable.StreamingTimeRemaining -= Streamable_StreamingTimeRemaining;
if (processable is AudioDecodable audioDecodable)
{
audioDecodable.RequestCoverArt -= AudioDecodable_RequestCoverArt;
audioDecodable.TitleDiscovered -= AudioDecodable_TitleDiscovered;
audioDecodable.AuthorsDiscovered -= AudioDecodable_AuthorsDiscovered;
audioDecodable.NarratorsDiscovered -= AudioDecodable_NarratorsDiscovered;
audioDecodable.CoverImageDiscovered -= AudioDecodable_CoverImageDiscovered;
}
}
#endregion
#region AudioDecodable event handlers
private string title;
private string authorNames;
private string narratorNames;
private void AudioDecodable_TitleDiscovered(object sender, string title)
{
this.title = title;
updateBookInfo();
}
private void AudioDecodable_AuthorsDiscovered(object sender, string authors)
{
authorNames = authors;
updateBookInfo();
}
private void AudioDecodable_NarratorsDiscovered(object sender, string narrators)
{
narratorNames = narrators;
updateBookInfo();
}
private void updateBookInfo()
{
BookText = $"{title}\r\nBy {authorNames}\r\nNarrated by {narratorNames}";
}
private byte[] AudioDecodable_RequestCoverArt(object sender, EventArgs e)
{
var quality
= Configuration.Instance.FileDownloadQuality == Configuration.DownloadQuality.High && LibraryBook.Book.PictureLarge is not null
? new PictureDefinition(LibraryBook.Book.PictureLarge, PictureSize.Native)
: new PictureDefinition(LibraryBook.Book.PictureId, PictureSize._500x500);
byte[] coverData = PictureStorage.GetPictureSynchronously(quality);
AudioDecodable_CoverImageDiscovered(this, coverData);
return coverData;
}
private void AudioDecodable_CoverImageDiscovered(object sender, byte[] coverArt)
{
Cover = WinFormsUtil.TryLoadImageOrDefault(coverArt, PictureSize._80x80);
}
#endregion
#region Streamable event handlers
private void Streamable_StreamingTimeRemaining(object sender, TimeSpan timeRemaining)
{
TimeRemaining = timeRemaining;
}
private void Streamable_StreamingProgressChanged(object sender, Dinah.Core.Net.Http.DownloadProgress downloadProgress)
{
if (!downloadProgress.ProgressPercentage.HasValue)
return;
if (downloadProgress.ProgressPercentage == 0)
TimeRemaining = TimeSpan.Zero;
else
Progress = (int)downloadProgress.ProgressPercentage;
}
#endregion
#region Processable event handlers
private void Processable_Begin(object sender, LibraryBook libraryBook)
{
Status = ProcessBookStatus.Working;
Logger.Info($"{Environment.NewLine}{((Processable)sender).Name} Step, Begin: {libraryBook.Book}");
title = libraryBook.Book.TitleWithSubtitle;
authorNames = libraryBook.Book.AuthorNames();
narratorNames = libraryBook.Book.NarratorNames();
updateBookInfo();
}
private async void Processable_Completed(object sender, LibraryBook libraryBook)
{
Logger.Info($"{((Processable)sender).Name} Step, Completed: {libraryBook.Book}");
UnlinkProcessable((Processable)sender);
if (Processes.Count == 0)
{
Completed?.Invoke(this, EventArgs.Empty);
return;
}
NextProcessable();
LinkProcessable(CurrentProcessable);
StatusHandler result;
try
{
result = await CurrentProcessable.ProcessSingleAsync(libraryBook, validate: true);
}
catch (Exception ex)
{
Serilog.Log.Logger.Error(ex, $"{nameof(Processable_Completed)} error");
result = new StatusHandler();
result.AddError($"{nameof(Processable_Completed)} error. See log for details. Error summary: {ex.Message}");
}
if (result.HasErrors)
{
foreach (var errorMessage in result.Errors.Where(e => e != "Validation failed"))
Logger.Error(errorMessage);
Completed?.Invoke(this, EventArgs.Empty);
}
}
#endregion
#region Failure Handler
private ProcessBookResult showRetry(LibraryBook libraryBook)
{
Logger.Error("ERROR. All books have not been processed. Most recent book: processing failed");
DialogResult? dialogResult = Configuration.Instance.BadBook switch
{
Configuration.BadBookAction.Abort => DialogResult.Abort,
Configuration.BadBookAction.Retry => DialogResult.Retry,
Configuration.BadBookAction.Ignore => DialogResult.Ignore,
Configuration.BadBookAction.Ask => null,
_ => null
};
string details;
try
{
static string trunc(string str)
=> string.IsNullOrWhiteSpace(str) ? "[empty]"
: (str.Length > 50) ? $"{str.Truncate(47)}..."
: str;
details =
$@" Title: {libraryBook.Book.TitleWithSubtitle}
ID: {libraryBook.Book.AudibleProductId}
Author: {trunc(libraryBook.Book.AuthorNames())}
Narr: {trunc(libraryBook.Book.NarratorNames())}";
}
catch
{
details = "[Error retrieving details]";
}
// if null then ask user
dialogResult ??= MessageBox.Show(string.Format(SkipDialogText + "\r\n\r\nSee Settings to avoid this box in the future.", details), "Skip importing this book?", SkipDialogButtons, MessageBoxIcon.Question, SkipDialogDefaultButton);
if (dialogResult == DialogResult.Abort)
return ProcessBookResult.FailedAbort;
if (dialogResult == SkipResult)
{
libraryBook.UpdateBookStatus(LiberatedStatus.Error);
Logger.Info($"Error. Skip: [{libraryBook.Book.AudibleProductId}] {libraryBook.Book.TitleWithSubtitle}");
return ProcessBookResult.FailedSkip;
}
return ProcessBookResult.FailedRetry;
}
private string SkipDialogText => @"
An error occurred while trying to process this book.
{0}
- ABORT: Stop processing books.
- RETRY: retry this book later. Just skip it for now. Continue processing books. (Will try this book again later.)
- IGNORE: Permanently ignore this book. Continue processing books. (Will not try this book again later.)
".Trim();
private MessageBoxButtons SkipDialogButtons => MessageBoxButtons.AbortRetryIgnore;
private MessageBoxDefaultButton SkipDialogDefaultButton => MessageBoxDefaultButton.Button1;
private DialogResult SkipResult => DialogResult.Ignore;
}
#endregion
}

View File

@ -1,4 +1,5 @@
using System;
using LibationUiBase.ProcessQueue;
using System;
using System.Drawing;
using System.Windows.Forms;

View File

@ -0,0 +1,16 @@
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);
public string BookText => $"{Title}\r\nBy {Author}\r\nNarrated by {Narrator}";
}

View File

@ -2,18 +2,20 @@
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Drawing;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using ApplicationServices;
using LibationFileManager;
using LibationUiBase;
using LibationUiBase.ProcessQueue;
namespace LibationWinForms.ProcessQueue
{
internal partial class ProcessQueueControl : UserControl, ILogForm, IProcessQueue
{
private TrackedQueue<ProcessBook> Queue = new();
private TrackedQueue<ProcessBookViewModel> Queue = new();
private readonly LogMe Logger;
private int QueuedCount
{
@ -93,19 +95,19 @@ namespace LibationWinForms.ProcessQueue
}
public bool RemoveCompleted(DataLayer.LibraryBook libraryBook)
=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is ProcessBook entry
=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is ProcessBookViewModel entry
&& entry.Status is ProcessBookStatus.Completed
&& Queue.RemoveCompleted(entry);
public void AddDownloadPdf(IEnumerable<DataLayer.LibraryBook> entries)
{
List<ProcessBook> procs = new();
List<ProcessBookViewModel> procs = new();
foreach (var entry in entries)
{
if (isBookInQueue(entry))
continue;
ProcessBook pbook = new(entry, Logger);
ProcessBookViewModel pbook = new(entry, Logger);
pbook.PropertyChanged += Pbook_DataAvailable;
pbook.AddDownloadPdf();
procs.Add(pbook);
@ -117,13 +119,13 @@ namespace LibationWinForms.ProcessQueue
public void AddDownloadDecrypt(IEnumerable<DataLayer.LibraryBook> entries)
{
List<ProcessBook> procs = new();
List<ProcessBookViewModel> procs = new();
foreach (var entry in entries)
{
if (isBookInQueue(entry))
continue;
ProcessBook pbook = new(entry, Logger);
ProcessBookViewModel pbook = new(entry, Logger);
pbook.PropertyChanged += Pbook_DataAvailable;
pbook.AddDownloadDecryptBook();
pbook.AddDownloadPdf();
@ -136,13 +138,13 @@ namespace LibationWinForms.ProcessQueue
public void AddConvertMp3(IEnumerable<DataLayer.LibraryBook> entries)
{
List<ProcessBook> procs = new();
List<ProcessBookViewModel> procs = new();
foreach (var entry in entries)
{
if (isBookInQueue(entry))
continue;
ProcessBook pbook = new(entry, Logger);
ProcessBookViewModel pbook = new(entry, Logger);
pbook.PropertyChanged += Pbook_DataAvailable;
pbook.AddConvertToMp3();
procs.Add(pbook);
@ -151,7 +153,7 @@ namespace LibationWinForms.ProcessQueue
Serilog.Log.Logger.Information("Queueing {count} books", procs.Count);
AddToQueue(procs);
}
private void AddToQueue(IEnumerable<ProcessBook> pbook)
private void AddToQueue(IEnumerable<ProcessBookViewModel> pbook)
{
if (!IsHandleCreated)
CreateControl();
@ -303,22 +305,22 @@ This error appears to be caused by a temporary interruption of service that some
#region View-Model update event handling
/// <summary>
/// Index of the first <see cref="ProcessBook"/> visible in the <see cref="VirtualFlowControl"/>
/// Index of the first <see cref="ProcessBookViewModel"/> visible in the <see cref="VirtualFlowControl"/>
/// </summary>
private int FirstVisible = 0;
/// <summary>
/// Number of <see cref="ProcessBook"/> visible in the <see cref="VirtualFlowControl"/>
/// Number of <see cref="ProcessBookViewModel"/> visible in the <see cref="VirtualFlowControl"/>
/// </summary>
private int NumVisible = 0;
/// <summary>
/// Controls displaying the <see cref="ProcessBook"/> state, starting with <see cref="FirstVisible"/>
/// Controls displaying the <see cref="ProcessBookViewModel"/> state, starting with <see cref="FirstVisible"/>
/// </summary>
private IReadOnlyList<ProcessBookControl> Panels;
/// <summary>
/// Updates the display of a single <see cref="ProcessBookControl"/> at <paramref name="queueIndex"/> within <see cref="Queue"/>
/// </summary>
/// <param name="queueIndex">index of the <see cref="ProcessBook"/> within the <see cref="Queue"/></param>
/// <param name="queueIndex">index of the <see cref="ProcessBookViewModel"/> within the <see cref="Queue"/></param>
/// <param name="propertyName">The nme of the property that needs updating. If null, all properties are updated.</param>
private void UpdateControl(int queueIndex, string propertyName = null)
{
@ -334,8 +336,8 @@ This error appears to be caused by a temporary interruption of service that some
{
Panels[i].SuspendLayout();
if (propertyName is null or nameof(proc.Cover))
Panels[i].SetCover(proc.Cover);
if (propertyName is null or nameof(proc.BookText))
Panels[i].SetCover(proc.Cover as Image);
if (propertyName is null or nameof(proc.Title) or nameof(proc.Author) or nameof(proc.Narrator))
Panels[i].SetBookInfo(proc.BookText);
if (proc.Result != ProcessBookResult.None)
@ -371,13 +373,13 @@ This error appears to be caused by a temporary interruption of service that some
/// <summary>
/// View notified the model that a botton was clicked
/// </summary>
/// <param name="queueIndex">index of the <see cref="ProcessBook"/> within <see cref="Queue"/></param>
/// <param name="queueIndex">index of the <see cref="ProcessBookViewModel"/> within <see cref="Queue"/></param>
/// <param name="panelClicked">The clicked control to update</param>
private async void VirtualFlowControl2_ButtonClicked(int queueIndex, string buttonName, ProcessBookControl panelClicked)
{
try
{
ProcessBook item = Queue[queueIndex];
ProcessBookViewModel item = Queue[queueIndex];
if (buttonName == nameof(panelClicked.cancelBtn))
{
if (item is not null)
@ -432,7 +434,7 @@ This error appears to be caused by a temporary interruption of service that some
/// </summary>
private void Pbook_DataAvailable(object sender, PropertyChangedEventArgs e)
{
int index = Queue.IndexOf((ProcessBook)sender);
int index = Queue.IndexOf((ProcessBookViewModel)sender);
UpdateControl(index, e.PropertyName);
}