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126 lines
4.4 KiB
C#
126 lines
4.4 KiB
C#
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.Model.Entities;
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using System;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Model.Logging;
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namespace MediaBrowser.Controller.Providers.TV
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{
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/// <summary>
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/// Class EpisodeProviderFromXml
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/// </summary>
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public class EpisodeProviderFromXml : BaseMetadataProvider
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{
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public EpisodeProviderFromXml(ILogManager logManager, IServerConfigurationManager configurationManager) : base(logManager, configurationManager)
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{
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}
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/// <summary>
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/// Supportses the specified item.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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public override bool Supports(BaseItem item)
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{
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return item is Episode && item.LocationType == LocationType.FileSystem;
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}
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/// <summary>
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/// Gets the priority.
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/// </summary>
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/// <value>The priority.</value>
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public override MetadataProviderPriority Priority
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{
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get { return MetadataProviderPriority.First; }
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}
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protected override bool RefreshOnFileSystemStampChange
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{
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get
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{
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return true;
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}
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}
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/// <summary>
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/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="force">if set to <c>true</c> [force].</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{System.Boolean}.</returns>
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public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
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{
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return Task.Run(() => Fetch(item, cancellationToken));
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}
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/// <summary>
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/// Override this to return the date that should be compared to the last refresh date
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/// to determine if this provider should be re-fetched.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <returns>DateTime.</returns>
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protected override DateTime CompareDate(BaseItem item)
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{
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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.HasValue)
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{
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return base.CompareDate(item);
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}
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return file.Value.LastWriteTimeUtc;
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}
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/// <summary>
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/// Fetches the specified item.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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private bool Fetch(BaseItem item, 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"));
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var episode = (Episode)item;
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if (!FetchMetadata(episode, item.ResolveArgs.Parent, metadataFile, cancellationToken))
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{
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// Don't set last refreshed if we didn't do anything
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return false;
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}
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SetLastRefreshed(item, DateTime.UtcNow);
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return true;
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}
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/// <summary>
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/// Fetches the metadata.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="parent">The parent.</param>
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/// <param name="metadataFile">The metadata file.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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private bool FetchMetadata(Episode item, Folder parent, string metadataFile, CancellationToken cancellationToken)
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{
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var file = parent.ResolveArgs.GetMetaFileByPath(metadataFile);
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if (!file.HasValue)
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{
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return false;
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}
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new EpisodeXmlParser(Logger).Fetch(item, metadataFile, cancellationToken);
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return true;
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}
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}
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}
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