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