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#nullable disable
#pragma warning disable CS1591
using System;
using System.IO;
using System.Linq;
using Emby.Naming.Book;
using Jellyfin.Data.Enums;
using Jellyfin.Extensions;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Resolvers;
namespace Emby.Server.Implementations.Library.Resolvers.Books
{
public class BookResolver : ItemResolver<Book>
{
private readonly string[] _validExtensions = { ".azw", ".azw3", ".cb7", ".cbr", ".cbt", ".cbz", ".epub", ".mobi", ".pdf" };
protected override Book Resolve(ItemResolveArgs args)
{
var collectionType = args.GetCollectionType();
// Only process items that are in a collection folder containing books
if (collectionType != CollectionType.books)
{
return null;
}
if (args.IsDirectory)
{
return GetBook(args);
}
var extension = Path.GetExtension(args.Path.AsSpan());
if (!_validExtensions.Contains(extension, StringComparison.OrdinalIgnoreCase))
{
return null;
}
var result = BookFileNameParser.Parse(Path.GetFileNameWithoutExtension(args.Path));
return new Book
{
Path = args.Path,
Name = result.Name ?? string.Empty,
IndexNumber = result.Index,
ProductionYear = result.Year,
SeriesName = result.SeriesName ?? Path.GetFileName(Path.GetDirectoryName(args.Path)),
IsInMixedFolder = true,
};
}
private Book GetBook(ItemResolveArgs args)
{
var bookFiles = args.FileSystemChildren.Where(f =>
{
var fileExtension = Path.GetExtension(f.FullName.AsSpan());
return _validExtensions.Contains(
fileExtension,
StringComparison.OrdinalIgnoreCase);
}).ToList();
// directory is only considered a book when it contains exactly one supported file
// other library structures with multiple books to a directory will get picked up as individual files
if (bookFiles.Count != 1)
{
return null;
}
var result = BookFileNameParser.Parse(Path.GetFileName(args.Path));
return new Book
{
Path = bookFiles[0].FullName,
Name = result.Name ?? string.Empty,
IndexNumber = result.Index,
ProductionYear = result.Year,
SeriesName = result.SeriesName ?? string.Empty,
};
}
}
}
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