jellyfin-server/MediaBrowser.Providers/TV/EpisodeProviderFromXml.cs

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C#
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using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using System;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
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namespace MediaBrowser.Providers.TV
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{
/// <summary>
/// Class EpisodeProviderFromXml
/// </summary>
public class EpisodeProviderFromXml : BaseMetadataProvider
{
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private readonly IItemRepository _itemRepo;
private readonly IFileSystem _fileSystem;
public EpisodeProviderFromXml(ILogManager logManager, IServerConfigurationManager configurationManager, IItemRepository itemRepo, IFileSystem fileSystem)
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: base(logManager, configurationManager)
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{
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_itemRepo = itemRepo;
_fileSystem = fileSystem;
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}
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/// <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)
{
return item is Episode && item.LocationType == LocationType.FileSystem;
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.First; }
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}
/// <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>
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public override async Task<bool> FetchAsync(BaseItem item, bool force, BaseProviderInfo providerInfo, CancellationToken cancellationToken)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var metadataFile = Path.Combine(item.MetaLocation, Path.ChangeExtension(Path.GetFileName(item.Path), ".xml"));
var file = item.ResolveArgs.Parent.ResolveArgs.GetMetaFileByPath(metadataFile);
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if (file != null)
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{
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await XmlParsingResourcePool.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
await new EpisodeXmlParser(Logger, _itemRepo).FetchAsync((Episode)item, metadataFile, cancellationToken).ConfigureAwait(false);
}
finally
{
XmlParsingResourcePool.Release();
}
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}
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SetLastRefreshed(item, DateTime.UtcNow, providerInfo);
return true;
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}
/// <summary>
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/// Needses the refresh based on compare date.
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/// </summary>
/// <param name="item">The item.</param>
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/// <param name="providerInfo">The provider info.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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protected override bool NeedsRefreshBasedOnCompareDate(BaseItem item, BaseProviderInfo providerInfo)
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{
var metadataFile = Path.Combine(item.MetaLocation, Path.ChangeExtension(Path.GetFileName(item.Path), ".xml"));
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var file = item.ResolveArgs.Parent.ResolveArgs.GetMetaFileByPath(metadataFile);
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if (file == null)
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{
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return false;
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}
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return _fileSystem.GetLastWriteTimeUtc(file) > item.DateLastSaved;
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}
}
}