jellyfin/Emby.Server.Implementations/Library/Resolvers/Books/BookResolver.cs
2020-06-20 21:12:36 +12:00

71 lines
2.1 KiB
C#

#pragma warning disable CS1591
using System;
using System.IO;
using System.Linq;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Entities;
namespace Emby.Server.Implementations.Library.Resolvers.Books
{
public class BookResolver : MediaBrowser.Controller.Resolvers.ItemResolver<Book>
{
private readonly string[] _validExtensions = { ".azw", ".azw3", ".cb7", ".cbr", ".cbt", ".cbz", ".epub", ".mobi", ".opf", ".pdf" };
protected override Book Resolve(ItemResolveArgs args)
{
var collectionType = args.GetCollectionType();
// Only process items that are in a collection folder containing books
if (!string.Equals(collectionType, CollectionType.Books, StringComparison.OrdinalIgnoreCase))
{
return null;
}
if (args.IsDirectory)
{
return GetBook(args);
}
var extension = Path.GetExtension(args.Path);
if (extension != null && _validExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
{
// It's a book
return new Book
{
Path = args.Path,
IsInMixedFolder = true
};
}
return null;
}
private Book GetBook(ItemResolveArgs args)
{
var bookFiles = args.FileSystemChildren.Where(f =>
{
var fileExtension = Path.GetExtension(f.FullName) ??
string.Empty;
return _validExtensions.Contains(fileExtension,
StringComparer
.OrdinalIgnoreCase);
}).ToList();
// Don't return a Book if there is more (or less) than one document in the directory
if (bookFiles.Count != 1)
{
return null;
}
return new Book
{
Path = bookFiles[0].FullName
};
}
}
}