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