mirror of
https://github.com/rmcrackan/Libation.git
synced 2026-02-18 00:17:43 +01:00
Move viewmodel into UiBase
This commit is contained in:
Michael Bucari-Tovo
@@ -3,10 +3,11 @@
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:dialogs="clr-namespace:LibationAvalonia.Dialogs"
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xmlns:vm="clr-namespace:LibationUiBase;assembly=LibationUiBase"
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mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
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Width="800" Height="450"
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x:Class="LibationAvalonia.Dialogs.FindBetterQualityBooksDialog"
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x:DataType="dialogs:FindBetterQualityBooksDialog+ScanVM"
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x:DataType="vm:FindBetterQualityBooksViewModel"
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Title="FindBetterQualityBooksDialog">
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<Grid Margin="5" RowDefinitions="*,Auto">
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@@ -20,7 +21,7 @@
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IsReadOnly="True"
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ItemsSource="{CompiledBinding Books}">
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<DataGrid.Styles>
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<Style x:DataType="dialogs:FindBetterQualityBooksDialog+BookData" Selector="DataGridRow">
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<Style x:DataType="vm:FindBetterQualityBooksViewModel+BookData" Selector="DataGridRow">
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<Setter Property="Background" Value="{CompiledBinding ScanStatus, Converter={x:Static dialogs:FindBetterQualityBooksDialog.RowConverter }}" />
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</Style>
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</DataGrid.Styles>
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@@ -1,38 +1,17 @@
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using AaxDecrypter;
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using ApplicationServices;
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using Avalonia.Collections;
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using Avalonia.Controls;
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using Avalonia.Data.Converters;
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using Avalonia.Media;
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using DataLayer;
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using Dinah.Core;
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using Dinah.Core.Net.Http;
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using DynamicData;
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using LibationAvalonia.ViewModels;
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using LibationFileManager;
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using ReactiveUI;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using LibationUiBase;
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using System.Linq;
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using System.Net.Http;
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using System.Threading;
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using System.Threading.Tasks;
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namespace LibationAvalonia.Dialogs;
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public partial class FindBetterQualityBooksDialog : DialogWindow
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{
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public enum ScanStatus
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{
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None,
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Error,
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Cancelled,
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Completed,
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}
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private ScanVM VM { get; }
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private Dictionary<BookData, IDisposable> Observers { get; } = new();
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private FindBetterQualityBooksViewModel VM { get; }
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public FindBetterQualityBooksDialog()
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{
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InitializeComponent();
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@@ -40,267 +19,39 @@ public partial class FindBetterQualityBooksDialog : DialogWindow
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if (Design.IsDesignMode)
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{
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var library = Enumerable.Repeat(MockLibraryBook.CreateBook(), 3);
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DataContext = VM = new ScanVM(library);
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AvaloniaList<FindBetterQualityBooksViewModel.BookData> list = new(library.Select(lb => new FindBetterQualityBooksViewModel.BookData(lb)));
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DataContext = VM = new FindBetterQualityBooksViewModel(list);
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VM.Books[0].AvailableCodec = "xHE-AAC";
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VM.Books[0].AvailableBitrate = 256;
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VM.Books[0].ScanStatus = ScanStatus.Completed;
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VM.Books[1].ScanStatus = ScanStatus.Error;
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VM.Books[2].ScanStatus = ScanStatus.Cancelled;
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VM.Books[0].ScanStatus = FindBetterQualityBooksViewModel.ScanStatus.Completed;
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VM.Books[1].ScanStatus = FindBetterQualityBooksViewModel.ScanStatus.Error;
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VM.Books[2].ScanStatus = FindBetterQualityBooksViewModel.ScanStatus.Cancelled;
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VM.SignificantCount = 1;
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}
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else
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{
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var library = DbContexts.GetLibrary_Flat_NoTracking();
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DataContext = VM = new ScanVM(library.Where(ShouldScan));
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}
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VM.Books.ForEachItem(OnBookDataAdded, OnBookDataRemoved, OnBooksReset);
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}
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private static bool ShouldScan(LibraryBook lb)
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=> lb.Book.ContentType is ContentType.Product //only scan books, not podcasts
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&& !lb.Book.IsSpatial //skip spatial audio books. When querying the /metadata endpoint, it will only show ac-4 data for spatial audiobooks.
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&& lb.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated;
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private void OnBookDataAdded(BookData bookData)
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{
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var subscriber = bookData.ObservableForProperty(x => x.ScanStatus)
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.Subscribe(v => booksDataGrid.ScrollIntoView(v.Sender, booksDataGrid.Columns[0]));
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Observers[bookData] = subscriber;
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}
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private void OnBookDataRemoved(BookData bookData)
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{
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if (Observers.TryGetValue(bookData, out var subscriber))
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{
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subscriber.Dispose();
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Observers.Remove(bookData);
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AvaloniaList<FindBetterQualityBooksViewModel.BookData> list = new(library.Where(FindBetterQualityBooksViewModel.ShouldScan).Select(lb => new FindBetterQualityBooksViewModel.BookData(lb)));
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DataContext = VM = new FindBetterQualityBooksViewModel(list);
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VM.BookScanned += VM_BookScanned;
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}
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}
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private void OnBooksReset()
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private void VM_BookScanned(object? sender, FindBetterQualityBooksViewModel.BookData e)
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{
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foreach (var subscriber in Observers.Values)
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{
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subscriber.Dispose();
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}
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Observers.Clear();
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booksDataGrid.ScrollIntoView(e, booksDataGrid.Columns[0]);
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}
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public static FuncValueConverter<ScanStatus, IBrush?> RowConverter { get; } = new(status =>
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public static FuncValueConverter<FindBetterQualityBooksViewModel.ScanStatus, IBrush?> RowConverter { get; } = new(status =>
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{
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var brush = status switch
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{
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ScanStatus.Completed => "ProcessQueueBookCompletedBrush",
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ScanStatus.Cancelled => "ProcessQueueBookCancelledBrush",
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ScanStatus.Error => "ProcessQueueBookFailedBrush",
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FindBetterQualityBooksViewModel.ScanStatus.Completed => "ProcessQueueBookCompletedBrush",
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FindBetterQualityBooksViewModel.ScanStatus.Cancelled => "ProcessQueueBookCancelledBrush",
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FindBetterQualityBooksViewModel.ScanStatus.Error => "ProcessQueueBookFailedBrush",
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_ => null,
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};
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return brush is not null && App.Current.TryGetResource(brush, App.Current.ActualThemeVariant, out var res) ? res as Brush : null;
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});
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public class ScanVM : ViewModelBase
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{
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public AvaloniaList<BookData> Books { get; }
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public bool ScanWidevine { get; set; }
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public int SignificantCount
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{
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get => field;
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set
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{
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this.RaiseAndSetIfChanged(ref field, value);
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MarkBooksButtonText = value == 0 ? string.Empty
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: value == 1 ? "Mark 1 book as 'Not Liberated'"
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: $"Mark {value} books as 'Not Liberated'";
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}
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}
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public bool IsScanning { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
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public string? MarkBooksButtonText { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
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public string? ScanCount { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
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private CancellationTokenSource? cts;
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public ScanVM(IEnumerable<LibraryBook> books)
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{
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Books = new(books.Select(lb => new BookData(lb)));
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ScanWidevine = Configuration.Instance.UseWidevine;
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}
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public void StopScan()
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{
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cts?.Cancel();
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}
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public async Task MarkBooksAsync()
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{
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var significant = Books.Where(b => b.IsSignificant).ToArray();
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await significant.Select(b => b.LibraryBook).UpdateBookStatusAsync(LiberatedStatus.NotLiberated);
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Books.RemoveMany(significant);
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SignificantCount = Books.Count(b => b.IsSignificant);
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}
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public async Task ScanAsync()
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{
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if (cts?.IsCancellationRequested is true || Design.IsDesignMode)
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return;
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IsScanning = true;
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foreach (var b in Books)
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{
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b.AvailableBitrate = 0;
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b.AvailableCodec = null;
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b.ScanStatus = ScanStatus.None;
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}
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ScanCount = $"0 of {Books.Count:N0} scanned";
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try
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{
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using var cli = new HttpClient();
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cts = new CancellationTokenSource();
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for(int i = 0; i < Books.Count; i++)
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{
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var b = Books[i];
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var url = GetUrl(b.LibraryBook);
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try
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{
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var (file, bestformat) = FindHighestExistingFormat(b.LibraryBook);
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if (file is not null)
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{
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b.FoundFile = Configuration.Instance.Books?.Path is string booksDir ? Path.GetRelativePath(booksDir, file) : file;
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b.Bitrate = bestformat.BitRate;
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b.Codec = bestformat.CodecString;
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}
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else if (b.LibraryBook.Book.UserDefinedItem.LastDownloadedFormat is not null)
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{
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b.FoundFile = "File not found. Using 'Last Downloaded' format.";
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b.Bitrate = b.LibraryBook.Book.UserDefinedItem.LastDownloadedFormat.BitRate;
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b.Codec = b.LibraryBook.Book.UserDefinedItem.LastDownloadedFormat.CodecString;
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}
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else
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{
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b.FoundFile = "File not found and no 'Last Downloaded' format found.";
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b.ScanStatus = ScanStatus.Error;
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continue;
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}
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var resp = await cli.GetAsync(url, cts.Token);
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var (codecString, bitrate) = await ReadAudioInfoAsync(resp.EnsureSuccessStatusCode());
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b.AvailableCodec = codecString;
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b.AvailableBitrate = bitrate;
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b.ScanStatus = ScanStatus.Completed;
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}
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catch (OperationCanceledException)
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{
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b.ScanStatus = ScanStatus.Cancelled;
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break;
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}
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catch (Exception ex)
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{
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Serilog.Log.Logger.Error(ex, "Error checking for better quality for {@Asin}", b.Asin);
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b.ScanStatus = ScanStatus.Error;
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}
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finally
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{
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SignificantCount = Books.Count(b => b.IsSignificant);
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ScanCount = $"{i:N0} of {Books.Count:N0} scanned";
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}
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}
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}
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finally
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{
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cts?.Dispose();
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cts = null;
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IsScanning = false;
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}
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}
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private static (string? file, AudioFormat format) FindHighestExistingFormat(LibraryBook libraryBook)
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{
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var largestfile
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= AudibleFileStorage.Audio
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.GetPaths(libraryBook.Book.AudibleProductId)
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.Select(p => new FileInfo(p))
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.Where(f => f.Exists && f.Extension.EqualsInsensitive(".m4b"))
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.OrderByDescending(f => f.Length)
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.FirstOrDefault();
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if (largestfile is null)
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return (null, AudioFormat.Default);
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return (largestfile.FullName, AudioFormatDecoder.FromMpeg4(largestfile.FullName));
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}
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static async Task<(string codec, int bitrate)> ReadAudioInfoAsync(HttpResponseMessage response)
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{
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var data = await response.Content.ReadAsJObjectAsync();
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var totalLengthMs = data["content_metadata"]?["chapter_info"]?.Value<long>("runtime_length_ms") ?? throw new InvalidDataException("Missing runtime length");
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var contentReference = data["content_metadata"]?["content_reference"];
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var totalSize = contentReference?.Value<long>("content_size_in_bytes") ?? throw new InvalidDataException("Missing content size");
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var codec = contentReference?.Value<string>("codec") ?? throw new InvalidDataException("Missing codec name");
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var codecString = codec switch
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{
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AudibleApi.Codecs.AAC_LC => "AAC-LC",
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AudibleApi.Codecs.xHE_AAC => "xHE-AAC",
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AudibleApi.Codecs.EC_3 => "EC-3",
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AudibleApi.Codecs.AC_4 => "AC-4",
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_ => codec,
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};
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var bitrate = (int)(totalSize / 1024d * 1000 / totalLengthMs * 8); // in kbps
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return (codecString, bitrate);
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}
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string GetUrl(LibraryBook libraryBook)
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{
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var drm_type = ScanWidevine ? "Widevine" : "Adrm";
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var locale = AudibleApi.Localization.Get(libraryBook.Book.Locale);
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return string.Format(BaseUrl, locale.TopDomain, libraryBook.Book.AudibleProductId, drm_type);
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}
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const string BaseUrl = "ht" + "tps://api.audible.{0}/1.0/content/{1}/metadata?response_groups=chapter_info,content_reference&quality=High&drm_type={2}";
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}
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public class BookData : ViewModelBase
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{
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public LibraryBook LibraryBook { get; }
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public BookData(LibraryBook libraryBook)
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{
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LibraryBook = libraryBook;
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Asin = libraryBook.Book.AudibleProductId;
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Title = libraryBook.Book.Title;
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}
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public string Asin { get; }
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public string Title { get; }
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public string? FoundFile { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
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public string? Codec { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
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public int Bitrate
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{
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get => field;
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set
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{
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this.RaiseAndSetIfChanged(ref field, value);
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BitrateString = GetBitrateString(value);
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}
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}
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public string? BitrateString { get => field; private set => this.RaiseAndSetIfChanged(ref field, value); }
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public string? AvailableCodec { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
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public int AvailableBitrate
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{
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get => field;
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set
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{
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this.RaiseAndSetIfChanged(ref field, value);
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AvailableBitrateString = GetBitrateString(value);
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var diff = (double)AvailableBitrate / Bitrate;
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IsSignificant = diff >= 1.15;
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}
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}
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public string? AvailableBitrateString { get => field; private set => this.RaiseAndSetIfChanged(ref field, value); }
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public bool IsSignificant { get => field; private set => this.RaiseAndSetIfChanged(ref field, value); }
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public ScanStatus ScanStatus { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
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private static string? GetBitrateString(int bitrate) => bitrate > 0 ? $"{bitrate} kbps" : null;
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}
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}
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241
Source/LibationUiBase/FindBetterQualityBooksViewModel.cs
Normal file
241
Source/LibationUiBase/FindBetterQualityBooksViewModel.cs
Normal file
@@ -0,0 +1,241 @@
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using AaxDecrypter;
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using ApplicationServices;
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using DataLayer;
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using Dinah.Core;
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using Dinah.Core.Net.Http;
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using LibationFileManager;
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using System;
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using System.Collections.Generic;
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using System.IO;
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||||
using System.Linq;
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||||
using System.Net.Http;
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||||
using System.Threading;
|
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using System.Threading.Tasks;
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|
||||
namespace LibationUiBase;
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||||
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public class FindBetterQualityBooksViewModel : ReactiveObject
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{
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public enum ScanStatus
|
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{
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None,
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||||
Error,
|
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Cancelled,
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Completed,
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||||
}
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|
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public event EventHandler<BookData>? BookScanned;
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public IList<BookData> Books { get; }
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public bool ScanWidevine { get; set; }
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public int SignificantCount
|
||||
{
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||||
get => field;
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||||
set
|
||||
{
|
||||
this.RaiseAndSetIfChanged(ref field, value);
|
||||
MarkBooksButtonText = value == 0 ? string.Empty
|
||||
: value == 1 ? "Mark 1 book as 'Not Liberated'"
|
||||
: $"Mark {value} books as 'Not Liberated'";
|
||||
}
|
||||
}
|
||||
public bool IsScanning { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
public string? MarkBooksButtonText { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
public string? ScanCount { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
|
||||
private CancellationTokenSource? cts;
|
||||
|
||||
public FindBetterQualityBooksViewModel(IList<BookData> books)
|
||||
{
|
||||
Books = books;
|
||||
ScanWidevine = Configuration.Instance.UseWidevine;
|
||||
}
|
||||
|
||||
public static bool ShouldScan(LibraryBook lb)
|
||||
=> lb.Book.ContentType is ContentType.Product //only scan books, not podcasts
|
||||
&& !lb.Book.IsSpatial //skip spatial audio books. When querying the /metadata endpoint, it will only show ac-4 data for spatial audiobooks.
|
||||
&& lb.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated;
|
||||
|
||||
public void StopScan()
|
||||
{
|
||||
cts?.Cancel();
|
||||
}
|
||||
|
||||
public async Task MarkBooksAsync()
|
||||
{
|
||||
var significant = Books.Where(b => b.IsSignificant).ToArray();
|
||||
|
||||
await significant.Select(b => b.LibraryBook).UpdateBookStatusAsync(LiberatedStatus.NotLiberated);
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||||
Array.ForEach(significant, b => Books.Remove(b));
|
||||
|
||||
SignificantCount = Books.Count(b => b.IsSignificant);
|
||||
}
|
||||
|
||||
public async Task ScanAsync()
|
||||
{
|
||||
if (cts?.IsCancellationRequested is true)
|
||||
return;
|
||||
IsScanning = true;
|
||||
|
||||
foreach (var b in Books)
|
||||
{
|
||||
b.AvailableBitrate = 0;
|
||||
b.AvailableCodec = null;
|
||||
b.ScanStatus = ScanStatus.None;
|
||||
}
|
||||
ScanCount = $"0 of {Books.Count:N0} scanned";
|
||||
|
||||
try
|
||||
{
|
||||
using var cli = new HttpClient();
|
||||
cts = new CancellationTokenSource();
|
||||
for (int i = 0; i < Books.Count; i++)
|
||||
{
|
||||
var b = Books[i];
|
||||
var url = GetUrl(b.LibraryBook);
|
||||
try
|
||||
{
|
||||
//Don't re-scan a file if we have already loaded existing audio codec and bitrate.
|
||||
if (b.Bitrate == 0 && b.Codec == null)
|
||||
{
|
||||
var (file, bestformat) = FindHighestExistingFormat(b.LibraryBook);
|
||||
|
||||
if (file is not null)
|
||||
{
|
||||
b.FoundFile = Configuration.Instance.Books?.Path is string booksDir ? Path.GetRelativePath(booksDir, file) : file;
|
||||
b.Bitrate = bestformat.BitRate;
|
||||
b.Codec = bestformat.CodecString;
|
||||
}
|
||||
else if (b.LibraryBook.Book.UserDefinedItem.LastDownloadedFormat is not null)
|
||||
{
|
||||
b.FoundFile = "File not found. Using 'Last Downloaded' format.";
|
||||
b.Bitrate = b.LibraryBook.Book.UserDefinedItem.LastDownloadedFormat.BitRate;
|
||||
b.Codec = b.LibraryBook.Book.UserDefinedItem.LastDownloadedFormat.CodecString;
|
||||
}
|
||||
else
|
||||
{
|
||||
b.FoundFile = "File not found and no 'Last Downloaded' format found.";
|
||||
b.ScanStatus = ScanStatus.Error;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
var resp = await cli.GetAsync(url, cts.Token);
|
||||
var (codecString, bitrate) = await ReadAudioInfoAsync(resp.EnsureSuccessStatusCode());
|
||||
|
||||
b.AvailableCodec = codecString;
|
||||
b.AvailableBitrate = bitrate;
|
||||
b.ScanStatus = ScanStatus.Completed;
|
||||
}
|
||||
catch (OperationCanceledException)
|
||||
{
|
||||
b.ScanStatus = ScanStatus.Cancelled;
|
||||
break;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Serilog.Log.Logger.Error(ex, "Error checking for better quality for {@Asin}", b.Asin);
|
||||
b.ScanStatus = ScanStatus.Error;
|
||||
}
|
||||
finally
|
||||
{
|
||||
SignificantCount = Books.Count(b => b.IsSignificant);
|
||||
ScanCount = $"{i:N0} of {Books.Count:N0} scanned";
|
||||
BookScanned?.Invoke(this, b);
|
||||
}
|
||||
}
|
||||
}
|
||||
finally
|
||||
{
|
||||
cts?.Dispose();
|
||||
cts = null;
|
||||
IsScanning = false;
|
||||
}
|
||||
}
|
||||
|
||||
private static (string? file, AudioFormat format) FindHighestExistingFormat(LibraryBook libraryBook)
|
||||
{
|
||||
var largestfile
|
||||
= AudibleFileStorage.Audio
|
||||
.GetPaths(libraryBook.Book.AudibleProductId)
|
||||
.Select(p => new FileInfo(p))
|
||||
.Where(f => f.Exists && f.Extension.EqualsInsensitive(".m4b"))
|
||||
.OrderByDescending(f => f.Length)
|
||||
.FirstOrDefault();
|
||||
|
||||
if (largestfile is null)
|
||||
return (null, AudioFormat.Default);
|
||||
return (largestfile.FullName, AudioFormatDecoder.FromMpeg4(largestfile.FullName));
|
||||
}
|
||||
|
||||
static async Task<(string codec, int bitrate)> ReadAudioInfoAsync(HttpResponseMessage response)
|
||||
{
|
||||
var data = await response.Content.ReadAsJObjectAsync();
|
||||
var totalLengthMs = data["content_metadata"]?["chapter_info"]?.Value<long>("runtime_length_ms") ?? throw new InvalidDataException("Missing runtime length");
|
||||
var contentReference = data["content_metadata"]?["content_reference"];
|
||||
var totalSize = contentReference?.Value<long>("content_size_in_bytes") ?? throw new InvalidDataException("Missing content size");
|
||||
var codec = contentReference?.Value<string>("codec") ?? throw new InvalidDataException("Missing codec name");
|
||||
|
||||
var codecString = codec switch
|
||||
{
|
||||
AudibleApi.Codecs.AAC_LC => "AAC-LC",
|
||||
AudibleApi.Codecs.xHE_AAC => "xHE-AAC",
|
||||
AudibleApi.Codecs.EC_3 => "EC-3",
|
||||
AudibleApi.Codecs.AC_4 => "AC-4",
|
||||
_ => codec,
|
||||
};
|
||||
|
||||
var bitrate = (int)(totalSize / 1024d * 1000 / totalLengthMs * 8); // in kbps
|
||||
return (codecString, bitrate);
|
||||
}
|
||||
|
||||
string GetUrl(LibraryBook libraryBook)
|
||||
{
|
||||
var drm_type = ScanWidevine ? "Widevine" : "Adrm";
|
||||
var locale = AudibleApi.Localization.Get(libraryBook.Book.Locale);
|
||||
return string.Format(BaseUrl, locale.TopDomain, libraryBook.Book.AudibleProductId, drm_type);
|
||||
}
|
||||
|
||||
const string BaseUrl = "ht" + "tps://api.audible.{0}/1.0/content/{1}/metadata?response_groups=chapter_info,content_reference&quality=High&drm_type={2}";
|
||||
public class BookData : ReactiveObject
|
||||
{
|
||||
public LibraryBook LibraryBook { get; }
|
||||
public BookData(LibraryBook libraryBook)
|
||||
{
|
||||
LibraryBook = libraryBook;
|
||||
Asin = libraryBook.Book.AudibleProductId;
|
||||
Title = libraryBook.Book.Title;
|
||||
}
|
||||
public string Asin { get; }
|
||||
public string Title { get; }
|
||||
public string? FoundFile { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
public string? Codec { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
public string? AvailableCodec { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
public int Bitrate
|
||||
{
|
||||
get => field;
|
||||
set
|
||||
{
|
||||
this.RaiseAndSetIfChanged(ref field, value);
|
||||
BitrateString = GetBitrateString(value);
|
||||
}
|
||||
}
|
||||
public int AvailableBitrate
|
||||
{
|
||||
get => field;
|
||||
set
|
||||
{
|
||||
this.RaiseAndSetIfChanged(ref field, value);
|
||||
AvailableBitrateString = GetBitrateString(value);
|
||||
var diff = (double)AvailableBitrate / Bitrate;
|
||||
IsSignificant = diff >= 1.15;
|
||||
}
|
||||
}
|
||||
|
||||
public string? BitrateString { get => field; private set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
public string? AvailableBitrateString { get => field; private set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
public bool IsSignificant { get => field; private set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
public ScanStatus ScanStatus { get => field; set => this.RaiseAndSetIfChanged(ref field, value); }
|
||||
private static string? GetBitrateString(int bitrate) => bitrate > 0 ? $"{bitrate} kbps" : null;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user