Libation/Source/LibationUiBase/ProcessQueue/ProcessQueueViewModelBase.cs
MBucari 4dab16837e Move ProcessQueueViewModel logic into LibationUiBase
Fix UI bug in classic when queue is in popped-out mode.
2025-07-15 22:31:17 -06:00

325 lines
10 KiB
C#

using DataLayer;
using LibationFileManager;
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 abstract void WriteLine(string text);
protected abstract ProcessBookViewModelBase CreateNewBook(LibraryBook libraryBook);
public ObservableCollection<LogEntry> LogEntries { get; } = new();
public TrackedQueue<ProcessBookViewModelBase> Queue { get; }
public ProcessBookViewModelBase? SelectedItem { get; set; }
public Task? QueueRunner { get; private set; }
public bool Running => !QueueRunner?.IsCompleted ?? false;
protected readonly LogMe Logger;
public ProcessQueueViewModelBase(ICollection<ProcessBookViewModelBase>? underlyingList)
{
Logger = LogMe.RegisterForm(this);
Queue = new(underlyingList);
Queue.QueuededCountChanged += Queue_QueuededCountChanged;
Queue.CompletedCountChanged += Queue_CompletedCountChanged;
SpeedLimit = Configuration.Instance.DownloadSpeedLimit / 1024m / 1024;
}
private int _completedCount;
private int _errorCount;
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)); } }
public int ErrorCount { get => _errorCount; private set { RaiseAndSetIfChanged(ref _errorCount, value); RaisePropertyChanged(nameof(AnyErrors)); } }
public string? RunningTime { get => _runningTime; set => RaiseAndSetIfChanged(ref _runningTime, value); }
public bool ProgressBarVisible { get => _progressBarVisible; set => RaiseAndSetIfChanged(ref _progressBarVisible, value); }
public bool AnyCompleted => CompletedCount > 0;
public bool AnyQueued => QueuedCount > 0;
public bool AnyErrors => ErrorCount > 0;
public double Progress => 100d * Queue.Completed.Count / Queue.Count;
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 decimal SpeedLimitIncrement { get; private set; }
private void Queue_CompletedCountChanged(object? sender, int e)
{
int errCount = Queue.Completed.Count(p => p.Result is ProcessBookResult.FailedAbort or ProcessBookResult.FailedSkip or ProcessBookResult.FailedRetry or ProcessBookResult.ValidationFail);
int completeCount = Queue.Completed.Count(p => p.Result is ProcessBookResult.Success);
ErrorCount = errCount;
CompletedCount = completeCount;
RaisePropertyChanged(nameof(Progress));
}
private void Queue_QueuededCountChanged(object? sender, int cueCount)
{
QueuedCount = cueCount;
RaisePropertyChanged(nameof(Progress));
}
#region Add Books to Queue
public bool QueueDownloadPdf(IList<LibraryBook> libraryBooks)
{
var needsPdf = libraryBooks.Where(lb => !lb.AbsentFromLastScan && lb.Book.UserDefinedItem.PdfStatus is LiberatedStatus.NotLiberated).ToArray();
if (needsPdf.Length > 0)
{
Serilog.Log.Logger.Information("Begin download {count} pdfs", needsPdf.Length);
AddDownloadPdf(needsPdf);
return true;
}
return false;
}
public bool QueueConvertToMp3(IList<LibraryBook> libraryBooks)
{
//Only Queue Liberated books for conversion. This isn't a perfect filter, but it's better than nothing.
var preLiberated = libraryBooks.Where(lb => !lb.AbsentFromLastScan && lb.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated && lb.Book.ContentType is DataLayer.ContentType.Product).ToArray();
if (preLiberated.Length > 0)
{
Serilog.Log.Logger.Information("Begin convert {count} books to mp3", preLiberated.Length);
AddConvertMp3(preLiberated);
return true;
}
return false;
}
public bool QueueDownloadDecrypt(IList<LibraryBook> libraryBooks)
{
if (libraryBooks.Count == 1)
{
var item = libraryBooks[0];
if (item.AbsentFromLastScan)
return false;
else if (item.Book.UserDefinedItem.BookStatus is LiberatedStatus.NotLiberated or LiberatedStatus.PartialDownload)
{
RemoveCompleted(item);
Serilog.Log.Logger.Information("Begin single library book backup of {libraryBook}", item);
AddDownloadDecrypt([item]);
return true;
}
else if (item.Book.UserDefinedItem.PdfStatus is LiberatedStatus.NotLiberated)
{
RemoveCompleted(item);
Serilog.Log.Logger.Information("Begin single pdf backup of {libraryBook}", item);
AddDownloadPdf([item]);
return true;
}
}
else
{
var toLiberate
= libraryBooks
.Where(x => !x.AbsentFromLastScan && x.Book.UserDefinedItem.BookStatus is LiberatedStatus.NotLiberated or LiberatedStatus.PartialDownload || x.Book.UserDefinedItem.PdfStatus is LiberatedStatus.NotLiberated)
.ToArray();
if (toLiberate.Length > 0)
{
Serilog.Log.Logger.Information("Begin backup of {count} library books", toLiberate.Length);
AddDownloadDecrypt(toLiberate);
return true;
}
}
return false;
}
private bool isBookInQueue(LibraryBook libraryBook)
{
var entry = Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId);
if (entry == null)
return false;
else if (entry.Status is ProcessBookStatus.Cancelled or ProcessBookStatus.Failed)
return !Queue.RemoveCompleted(entry);
else
return true;
}
private bool RemoveCompleted(LibraryBook libraryBook)
=> Queue.FirstOrDefault(b => b?.LibraryBook?.Book?.AudibleProductId == libraryBook.Book.AudibleProductId) is ProcessBookViewModelBase entry
&& entry.Status is ProcessBookStatus.Completed
&& Queue.RemoveCompleted(entry);
private void AddDownloadPdf(IEnumerable<LibraryBook> entries)
{
List<ProcessBookViewModelBase> procs = new();
foreach (var entry in entries)
{
if (isBookInQueue(entry))
continue;
var pbook = CreateNewBook(entry);
pbook.AddDownloadPdf();
procs.Add(pbook);
}
Serilog.Log.Logger.Information("Queueing {count} books", procs.Count);
AddToQueue(procs);
}
private void AddDownloadDecrypt(IEnumerable<LibraryBook> entries)
{
List<ProcessBookViewModelBase> procs = new();
foreach (var entry in entries)
{
if (isBookInQueue(entry))
continue;
var pbook = CreateNewBook(entry);
pbook.AddDownloadDecryptBook();
pbook.AddDownloadPdf();
procs.Add(pbook);
}
Serilog.Log.Logger.Information("Queueing {count} books", procs.Count);
AddToQueue(procs);
}
private void AddConvertMp3(IEnumerable<LibraryBook> entries)
{
List<ProcessBookViewModelBase> procs = new();
foreach (var entry in entries)
{
if (isBookInQueue(entry))
continue;
var pbook = CreateNewBook(entry);
pbook.AddConvertToMp3();
procs.Add(pbook);
}
Serilog.Log.Logger.Information("Queueing {count} books", procs.Count);
AddToQueue(procs);
}
private void AddToQueue(IEnumerable<ProcessBookViewModelBase> pbook)
{
Invoke(() =>
{
Queue.Enqueue(pbook);
if (!Running)
QueueRunner = QueueLoop();
});
}
#endregion
private DateTime StartingTime;
private async Task QueueLoop()
{
try
{
Serilog.Log.Logger.Information("Begin processing queue");
RunningTime = string.Empty;
ProgressBarVisible = true;
StartingTime = DateTime.Now;
using var counterTimer = new System.Threading.Timer(CounterTimer_Tick, null, 0, 500);
bool shownServiceOutageMessage = false;
while (Queue.MoveNext())
{
if (Queue.Current is not ProcessBookViewModelBase nextBook)
{
Serilog.Log.Logger.Information("Current queue item is empty.");
continue;
}
Serilog.Log.Logger.Information("Begin processing queued item. {item_LibraryBook}", nextBook.LibraryBook);
var result = await nextBook.ProcessOneAsync();
Serilog.Log.Logger.Information("Completed processing queued item: {item_LibraryBook}\r\nResult: {result}", nextBook.LibraryBook, result);
if (result == ProcessBookResult.ValidationFail)
Queue.ClearCurrent();
else if (result == ProcessBookResult.FailedAbort)
Queue.ClearQueue();
else if (result == ProcessBookResult.FailedSkip)
nextBook.LibraryBook.UpdateBookStatus(LiberatedStatus.Error);
else if (result == ProcessBookResult.LicenseDeniedPossibleOutage && !shownServiceOutageMessage)
{
await MessageBoxBase.Show(@$"
You were denied a content license for {nextBook.LibraryBook.Book.TitleWithSubtitle}
This error appears to be caused by a temporary interruption of service that sometimes affects Libation's users. This type of error usually resolves itself in 1 to 2 days, and in the meantime you should still be able to access your books through Audible's website or app.
",
"Possible Interruption of Service",
MessageBoxButtons.OK,
MessageBoxIcon.Asterisk);
shownServiceOutageMessage = true;
}
}
Serilog.Log.Logger.Information("Completed processing queue");
Queue_CompletedCountChanged(this, 0);
ProgressBarVisible = false;
}
catch (Exception ex)
{
Serilog.Log.Logger.Error(ex, "An error was encountered while processing queued items");
}
}
private void CounterTimer_Tick(object? state)
{
string timeToStr(TimeSpan time)
{
string minsSecs = $"{time:mm\\:ss}";
if (time.TotalHours >= 1)
return $"{time.TotalHours:F0}:{minsSecs}";
return minsSecs;
}
RunningTime = timeToStr(DateTime.Now - StartingTime);
}
}
public class LogEntry
{
public DateTime LogDate { get; init; }
public string LogDateString => LogDate.ToShortTimeString();
public string? LogMessage { get; init; }
}