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130 lines
4.6 KiB
C#
130 lines
4.6 KiB
C#
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 EpisodeImageFromMediaLocationProvider
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/// </summary>
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public class EpisodeImageFromMediaLocationProvider : BaseMetadataProvider
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{
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public EpisodeImageFromMediaLocationProvider(ILogManager logManager) : base(logManager)
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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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/// <summary>
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/// Returns true or false indicating if the provider should refresh when the contents of it's directory changes
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/// </summary>
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/// <value><c>true</c> if [refresh on file system stamp change]; otherwise, <c>false</c>.</value>
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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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protected override Task<bool> FetchAsyncInternal(BaseItem item, bool force, CancellationToken cancellationToken)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var episode = (Episode)item;
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var episodeFileName = Path.GetFileName(episode.Path);
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var parent = item.ResolveArgs.Parent;
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ValidateImage(episode, item.MetaLocation);
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cancellationToken.ThrowIfCancellationRequested();
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SetPrimaryImagePath(episode, parent, item.MetaLocation, episodeFileName);
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SetLastRefreshed(item, DateTime.UtcNow);
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return TrueTaskResult;
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}
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/// <summary>
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/// Validates the primary image path still exists
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/// </summary>
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/// <param name="episode">The episode.</param>
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/// <param name="metadataFolderPath">The metadata folder path.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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private void ValidateImage(Episode episode, string metadataFolderPath)
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{
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var path = episode.PrimaryImagePath;
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if (string.IsNullOrEmpty(path))
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{
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return;
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}
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// Only validate images in the season/metadata folder
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if (!string.Equals(Path.GetDirectoryName(path), metadataFolderPath, StringComparison.OrdinalIgnoreCase))
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{
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return;
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}
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if (!episode.Parent.ResolveArgs.GetMetaFileByPath(path).HasValue)
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{
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episode.PrimaryImagePath = null;
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}
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}
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/// <summary>
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/// Sets the primary image path.
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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="metadataFolder">The metadata folder.</param>
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/// <param name="episodeFileName">Name of the episode file.</param>
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private void SetPrimaryImagePath(Episode item, Folder parent, string metadataFolder, string episodeFileName)
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{
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// Look for the image file in the metadata folder, and if found, set PrimaryImagePath
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var imageFiles = new[] {
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Path.Combine(metadataFolder, Path.ChangeExtension(episodeFileName, ".jpg")),
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Path.Combine(metadataFolder, Path.ChangeExtension(episodeFileName, ".png"))
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};
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var file = parent.ResolveArgs.GetMetaFileByPath(imageFiles[0]) ??
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parent.ResolveArgs.GetMetaFileByPath(imageFiles[1]);
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if (file.HasValue)
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{
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item.PrimaryImagePath = file.Value.Path;
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}
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}
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}
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}
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