Libation/Source/LibationUiBase/GridView/LibraryBookEntry.cs

using DataLayer;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Threading.Tasks;

namespace LibationUiBase.GridView;

/// <summary>The View Model for a LibraryBook that is ContentType.Product or ContentType.Episode</summary>
public class LibraryBookEntry : GridEntry
{
	[Browsable(false)] public override DateTime DateAdded => LibraryBook?.DateAdded ?? default;
	[Browsable(false)] public SeriesEntry? Parent { get; }

	public override bool? Remove
	{
		get => remove;
		set
		{
			remove = value ?? false;

			Parent?.ChildRemoveUpdate();
			RaisePropertyChanged(nameof(Remove));
		}
	}

	public LibraryBookEntry(LibraryBook libraryBook, SeriesEntry? parent = null) : base(libraryBook)
	{
		Parent = parent;
		UpdateLibraryBook(libraryBook);
		LoadCover();
	}

	/// <summary>
	/// Creates <see cref="LibraryBookEntry{TStatus}"/> for ordinary books and episodes whose series parent is missing.
	/// </summary>
	/// <remarks>Can be called from any thread, but requires the calling thread's <see cref="System.Threading.SynchronizationContext.Current"/> to be valid.</remarks>
	public static async Task<List<GridEntry>> GetAllProductsAsync(IEnumerable<LibraryBook> libraryBooks)
		=> await GetAllProductsAsync(
			libraryBooks.StandaloneBooks(),
			_ => true,
			lb => new LibraryBookEntry(lb) as GridEntry);

	protected override string? GetBookTags()
		=> Book is null ? null : string.Join("\r\n", Book.UserDefinedItem.TagsEnumerated);
}