jellyfin-server/MediaBrowser.Providers/Movies/MovieProviderFromXml.cs
2013-12-29 00:32:03 -05:00

113 lines
3.7 KiB
C#

using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Providers.Savers;
using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Providers.Movies
{
/// <summary>
/// Class MovieProviderFromXml
/// </summary>
public class MovieProviderFromXml : BaseMetadataProvider
{
private readonly IItemRepository _itemRepo;
private readonly IFileSystem _fileSystem;
public MovieProviderFromXml(ILogManager logManager, IServerConfigurationManager configurationManager, IItemRepository itemRepo, IFileSystem fileSystem)
: base(logManager, configurationManager)
{
_itemRepo = itemRepo;
_fileSystem = fileSystem;
}
/// <summary>
/// Supportses the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public override bool Supports(BaseItem item)
{
if (item.LocationType != LocationType.FileSystem)
{
return false;
}
var trailer = item as Trailer;
if (trailer != null)
{
return !trailer.IsLocalTrailer;
}
// Check parent for null to avoid running this against things like video backdrops
return item is Video && !(item is Episode) && item.Parent != null;
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.First; }
}
protected override bool NeedsRefreshBasedOnCompareDate(BaseItem item, BaseProviderInfo providerInfo)
{
var savePath = MovieXmlSaver.GetMovieSavePath(item);
var xml = item.ResolveArgs.GetMetaFileByPath(savePath) ?? new FileInfo(savePath);
if (!xml.Exists)
{
return false;
}
return _fileSystem.GetLastWriteTimeUtc(xml) > item.DateLastSaved;
}
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>
/// <param name="item">The item.</param>
/// <param name="force">if set to <c>true</c> [force].</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
public override async Task<bool> FetchAsync(BaseItem item, bool force, BaseProviderInfo providerInfo, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var path = MovieXmlSaver.GetMovieSavePath(item);
if (File.Exists(path))
{
await XmlParsingResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
var video = (Video)item;
await new MovieXmlParser(Logger, _itemRepo).FetchAsync(video, path, cancellationToken).ConfigureAwait(false);
}
finally
{
XmlParsingResourcePool.Release();
}
}
SetLastRefreshed(item, DateTime.UtcNow, providerInfo);
return true;
}
}
}