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			1019 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			1019 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| using MediaBrowser.Common.IO;
 | |
| using MediaBrowser.Common.Net;
 | |
| using MediaBrowser.Controller;
 | |
| using MediaBrowser.Controller.Configuration;
 | |
| using MediaBrowser.Controller.Entities;
 | |
| using MediaBrowser.Controller.Entities.Audio;
 | |
| using MediaBrowser.Controller.Entities.Movies;
 | |
| using MediaBrowser.Controller.Entities.TV;
 | |
| using MediaBrowser.Controller.Library;
 | |
| using MediaBrowser.Controller.LiveTv;
 | |
| using MediaBrowser.Controller.Providers;
 | |
| using MediaBrowser.Model.Configuration;
 | |
| using MediaBrowser.Model.Entities;
 | |
| using MediaBrowser.Model.Logging;
 | |
| using MediaBrowser.Model.Providers;
 | |
| using System;
 | |
| using System.Collections.Concurrent;
 | |
| using System.Collections.Generic;
 | |
| using System.IO;
 | |
| using System.Linq;
 | |
| using System.Threading;
 | |
| using System.Threading.Tasks;
 | |
| 
 | |
| namespace MediaBrowser.Providers.Manager
 | |
| {
 | |
|     /// <summary>
 | |
|     /// Class ProviderManager
 | |
|     /// </summary>
 | |
|     public class ProviderManager : IProviderManager, IDisposable
 | |
|     {
 | |
|         /// <summary>
 | |
|         /// The _logger
 | |
|         /// </summary>
 | |
|         private readonly ILogger _logger;
 | |
| 
 | |
|         /// <summary>
 | |
|         /// The _HTTP client
 | |
|         /// </summary>
 | |
|         private readonly IHttpClient _httpClient;
 | |
| 
 | |
|         /// <summary>
 | |
|         /// The _directory watchers
 | |
|         /// </summary>
 | |
|         private readonly ILibraryMonitor _libraryMonitor;
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Gets or sets the configuration manager.
 | |
|         /// </summary>
 | |
|         /// <value>The configuration manager.</value>
 | |
|         private IServerConfigurationManager ConfigurationManager { get; set; }
 | |
| 
 | |
|         private IImageProvider[] ImageProviders { get; set; }
 | |
| 
 | |
|         private readonly IFileSystem _fileSystem;
 | |
| 
 | |
|         private IMetadataService[] _metadataServices = { };
 | |
|         private IItemIdentityProvider[] _identityProviders = { };
 | |
|         private IItemIdentityConverter[] _identityConverters = { };
 | |
|         private IMetadataProvider[] _metadataProviders = { };
 | |
|         private IEnumerable<IMetadataSaver> _savers;
 | |
|         private IImageSaver[] _imageSavers;
 | |
|         private readonly IServerApplicationPaths _appPaths;
 | |
| 
 | |
|         private IExternalId[] _externalIds;
 | |
| 
 | |
|         private readonly Func<ILibraryManager> _libraryManagerFactory;
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Initializes a new instance of the <see cref="ProviderManager" /> class.
 | |
|         /// </summary>
 | |
|         /// <param name="httpClient">The HTTP client.</param>
 | |
|         /// <param name="configurationManager">The configuration manager.</param>
 | |
|         /// <param name="libraryMonitor">The directory watchers.</param>
 | |
|         /// <param name="logManager">The log manager.</param>
 | |
|         /// <param name="fileSystem">The file system.</param>
 | |
|         public ProviderManager(IHttpClient httpClient, IServerConfigurationManager configurationManager, ILibraryMonitor libraryMonitor, ILogManager logManager, IFileSystem fileSystem, IServerApplicationPaths appPaths, Func<ILibraryManager> libraryManagerFactory)
 | |
|         {
 | |
|             _logger = logManager.GetLogger("ProviderManager");
 | |
|             _httpClient = httpClient;
 | |
|             ConfigurationManager = configurationManager;
 | |
|             _libraryMonitor = libraryMonitor;
 | |
|             _fileSystem = fileSystem;
 | |
|             _appPaths = appPaths;
 | |
|             _libraryManagerFactory = libraryManagerFactory;
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Adds the metadata providers.
 | |
|         /// </summary>
 | |
|         /// <param name="imageProviders">The image providers.</param>
 | |
|         /// <param name="metadataServices">The metadata services.</param>
 | |
|         /// <param name="identityProviders">The identity providers.</param>
 | |
|         /// <param name="identityConverters">The identity converters.</param>
 | |
|         /// <param name="metadataProviders">The metadata providers.</param>
 | |
|         /// <param name="metadataSavers">The metadata savers.</param>
 | |
|         /// <param name="imageSavers">The image savers.</param>
 | |
|         /// <param name="externalIds">The external ids.</param>
 | |
|         public void AddParts(IEnumerable<IImageProvider> imageProviders, IEnumerable<IMetadataService> metadataServices,
 | |
|                              IEnumerable<IItemIdentityProvider> identityProviders, IEnumerable<IItemIdentityConverter> identityConverters,
 | |
|                              IEnumerable<IMetadataProvider> metadataProviders, IEnumerable<IMetadataSaver> metadataSavers,
 | |
|                              IEnumerable<IImageSaver> imageSavers, IEnumerable<IExternalId> externalIds)
 | |
|         {
 | |
|             ImageProviders = imageProviders.ToArray();
 | |
| 
 | |
|             _metadataServices = metadataServices.OrderBy(i => i.Order).ToArray();
 | |
|             _identityProviders = identityProviders.ToArray();
 | |
|             _identityConverters = identityConverters.ToArray();
 | |
|             _metadataProviders = metadataProviders.ToArray();
 | |
|             _imageSavers = imageSavers.ToArray();
 | |
|             _externalIds = externalIds.OrderBy(i => i.Name).ToArray();
 | |
| 
 | |
|             _savers = metadataSavers.Where(i =>
 | |
|             {
 | |
|                 var configurable = i as IConfigurableProvider;
 | |
| 
 | |
|                 return configurable == null || configurable.IsEnabled;
 | |
|             }).ToArray();
 | |
|         }
 | |
| 
 | |
|         public Task<ItemUpdateType> RefreshSingleItem(IHasMetadata item, MetadataRefreshOptions options, CancellationToken cancellationToken)
 | |
|         {
 | |
|             var service = _metadataServices.FirstOrDefault(i => i.CanRefresh(item));
 | |
| 
 | |
|             if (service != null)
 | |
|             {
 | |
|                 return service.RefreshMetadata(item, options, cancellationToken);
 | |
|             }
 | |
| 
 | |
|             _logger.Error("Unable to find a metadata service for item of type " + item.GetType().Name);
 | |
|             return Task.FromResult(ItemUpdateType.None);
 | |
|         }
 | |
| 
 | |
|         public async Task SaveImage(IHasImages item, string url, SemaphoreSlim resourcePool, ImageType type, int? imageIndex, CancellationToken cancellationToken)
 | |
|         {
 | |
|             var response = await _httpClient.GetResponse(new HttpRequestOptions
 | |
|             {
 | |
|                 CancellationToken = cancellationToken,
 | |
|                 ResourcePool = resourcePool,
 | |
|                 Url = url
 | |
| 
 | |
|             }).ConfigureAwait(false);
 | |
| 
 | |
|             await SaveImage(item, response.Content, response.ContentType, type, imageIndex, cancellationToken)
 | |
|                     .ConfigureAwait(false);
 | |
|         }
 | |
| 
 | |
|         public Task SaveImage(IHasImages item, Stream source, string mimeType, ImageType type, int? imageIndex, CancellationToken cancellationToken)
 | |
|         {
 | |
|             return new ImageSaver(ConfigurationManager, _libraryMonitor, _fileSystem, _logger).SaveImage(item, source, mimeType, type, imageIndex, cancellationToken);
 | |
|         }
 | |
| 
 | |
|         public Task SaveImage(IHasImages item, Stream source, string mimeType, ImageType type, int? imageIndex, string internalCacheKey, CancellationToken cancellationToken)
 | |
|         {
 | |
|             return new ImageSaver(ConfigurationManager, _libraryMonitor, _fileSystem, _logger).SaveImage(item, source, mimeType, type, imageIndex, internalCacheKey, cancellationToken);
 | |
|         }
 | |
| 
 | |
|         public Task SaveImage(IHasImages item, string source, string mimeType, ImageType type, int? imageIndex, string internalCacheKey, CancellationToken cancellationToken)
 | |
|         {
 | |
|             if (string.IsNullOrWhiteSpace(source))
 | |
|             {
 | |
|                 throw new ArgumentNullException("source");
 | |
|             }
 | |
| 
 | |
|             var fileStream = _fileSystem.GetFileStream(source, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true);
 | |
| 
 | |
|             return new ImageSaver(ConfigurationManager, _libraryMonitor, _fileSystem, _logger).SaveImage(item, fileStream, mimeType, type, imageIndex, internalCacheKey, cancellationToken);
 | |
|         }
 | |
| 
 | |
|         public async Task<IEnumerable<RemoteImageInfo>> GetAvailableRemoteImages(IHasImages item, RemoteImageQuery query, CancellationToken cancellationToken)
 | |
|         {
 | |
|             var providers = GetRemoteImageProviders(item, query.IncludeDisabledProviders);
 | |
| 
 | |
|             if (!string.IsNullOrEmpty(query.ProviderName))
 | |
|             {
 | |
|                 var providerName = query.ProviderName;
 | |
| 
 | |
|                 providers = providers.Where(i => string.Equals(i.Name, providerName, StringComparison.OrdinalIgnoreCase));
 | |
|             }
 | |
| 
 | |
|             var preferredLanguage = item.GetPreferredMetadataLanguage();
 | |
| 
 | |
|             var languages = new List<string>();
 | |
|             if (!query.IncludeAllLanguages && !string.IsNullOrWhiteSpace(preferredLanguage))
 | |
|             {
 | |
|                 languages.Add(preferredLanguage);
 | |
|             }
 | |
| 
 | |
|             var tasks = providers.Select(i => GetImages(item, cancellationToken, i, languages, query.ImageType));
 | |
| 
 | |
|             var results = await Task.WhenAll(tasks).ConfigureAwait(false);
 | |
| 
 | |
|             var images = results.SelectMany(i => i.ToList());
 | |
| 
 | |
|             return images;
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Gets the images.
 | |
|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <param name="cancellationToken">The cancellation token.</param>
 | |
|         /// <param name="provider">The provider.</param>
 | |
|         /// <param name="preferredLanguages">The preferred languages.</param>
 | |
|         /// <param name="type">The type.</param>
 | |
|         /// <returns>Task{IEnumerable{RemoteImageInfo}}.</returns>
 | |
|         private async Task<IEnumerable<RemoteImageInfo>> GetImages(IHasImages item, CancellationToken cancellationToken, IRemoteImageProvider provider, List<string> preferredLanguages, ImageType? type = null)
 | |
|         {
 | |
|             try
 | |
|             {
 | |
|                 var result = await provider.GetImages(item, cancellationToken).ConfigureAwait(false);
 | |
| 
 | |
|                 if (type.HasValue)
 | |
|                 {
 | |
|                     result = result.Where(i => i.Type == type.Value);
 | |
|                 }
 | |
| 
 | |
|                 if (preferredLanguages.Count > 0)
 | |
|                 {
 | |
|                     result = result.Where(i => string.IsNullOrEmpty(i.Language) ||
 | |
|                                                preferredLanguages.Contains(i.Language, StringComparer.OrdinalIgnoreCase) ||
 | |
|                                                string.Equals(i.Language, "en", StringComparison.OrdinalIgnoreCase));
 | |
|                 }
 | |
| 
 | |
|                 return result;
 | |
|             }
 | |
|             catch (OperationCanceledException)
 | |
|             {
 | |
|                 return new List<RemoteImageInfo>();
 | |
|             }
 | |
|             catch (Exception ex)
 | |
|             {
 | |
|                 _logger.ErrorException("{0} failed in GetImageInfos for type {1}", ex, provider.GetType().Name, item.GetType().Name);
 | |
|                 return new List<RemoteImageInfo>();
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Gets the supported image providers.
 | |
|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <returns>IEnumerable{IImageProvider}.</returns>
 | |
|         public IEnumerable<ImageProviderInfo> GetRemoteImageProviderInfo(IHasImages item)
 | |
|         {
 | |
|             return GetRemoteImageProviders(item, true).Select(i => new ImageProviderInfo
 | |
|             {
 | |
|                 Name = i.Name,
 | |
|                 SupportedImages = i.GetSupportedImages(item).ToList()
 | |
|             });
 | |
|         }
 | |
| 
 | |
|         public IEnumerable<IImageProvider> GetImageProviders(IHasImages item)
 | |
|         {
 | |
|             return GetImageProviders(item, GetMetadataOptions(item), false);
 | |
|         }
 | |
| 
 | |
|         private IEnumerable<IImageProvider> GetImageProviders(IHasImages item, MetadataOptions options, bool includeDisabled)
 | |
|         {
 | |
|             // Avoid implicitly captured closure
 | |
|             var currentOptions = options;
 | |
| 
 | |
|             return ImageProviders.Where(i => CanRefresh(i, item, options, includeDisabled))
 | |
|             .OrderBy(i =>
 | |
|             {
 | |
|                 // See if there's a user-defined order
 | |
|                 if (!(i is ILocalImageProvider))
 | |
|                 {
 | |
|                     var index = Array.IndexOf(currentOptions.ImageFetcherOrder, i.Name);
 | |
| 
 | |
|                     if (index != -1)
 | |
|                     {
 | |
|                         return index;
 | |
|                     }
 | |
|                 }
 | |
| 
 | |
|                 // Not configured. Just return some high number to put it at the end.
 | |
|                 return 100;
 | |
|             })
 | |
|             .ThenBy(GetOrder);
 | |
|         }
 | |
| 
 | |
|         public IEnumerable<IMetadataProvider<T>> GetMetadataProviders<T>(IHasMetadata item)
 | |
|             where T : IHasMetadata
 | |
|         {
 | |
|             var options = GetMetadataOptions(item);
 | |
| 
 | |
|             return GetMetadataProvidersInternal<T>(item, options, false);
 | |
|         }
 | |
| 
 | |
|         private IEnumerable<IMetadataProvider<T>> GetMetadataProvidersInternal<T>(IHasMetadata item, MetadataOptions options, bool includeDisabled)
 | |
|             where T : IHasMetadata
 | |
|         {
 | |
|             // Avoid implicitly captured closure
 | |
|             var currentOptions = options;
 | |
| 
 | |
|             return _metadataProviders.OfType<IMetadataProvider<T>>()
 | |
|                 .Where(i => CanRefresh(i, item, currentOptions, includeDisabled))
 | |
|                 .OrderBy(i => GetConfiguredOrder(i, options))
 | |
|                 .ThenBy(GetDefaultOrder);
 | |
|         }
 | |
| 
 | |
|         public IEnumerable<IItemIdentityProvider<TLookupInfo, TIdentity>> GetItemIdentityProviders<TLookupInfo, TIdentity>()
 | |
|             where TLookupInfo : ItemLookupInfo
 | |
|             where TIdentity : IItemIdentity
 | |
|         {
 | |
|             return _identityProviders.OfType<IItemIdentityProvider<TLookupInfo, TIdentity>>();
 | |
|         }
 | |
| 
 | |
|         public IEnumerable<IItemIdentityConverter<TIdentity>> GetItemIdentityConverters<TIdentity>()
 | |
|             where TIdentity : IItemIdentity
 | |
|         {
 | |
|             return _identityConverters.OfType<IItemIdentityConverter<TIdentity>>();
 | |
|         }
 | |
| 
 | |
|         private IEnumerable<IRemoteImageProvider> GetRemoteImageProviders(IHasImages item, bool includeDisabled)
 | |
|         {
 | |
|             var options = GetMetadataOptions(item);
 | |
| 
 | |
|             return GetImageProviders(item, options, includeDisabled).OfType<IRemoteImageProvider>();
 | |
|         }
 | |
| 
 | |
|         private bool CanRefresh(IMetadataProvider provider, IHasMetadata item, MetadataOptions options, bool includeDisabled)
 | |
|         {
 | |
|             if (!includeDisabled)
 | |
|             {
 | |
|                 // If locked only allow local providers
 | |
|                 if (item.IsLocked && !(provider is ILocalMetadataProvider) && !(provider is IForcedProvider))
 | |
|                 {
 | |
|                     return false;
 | |
|                 }
 | |
| 
 | |
|                 if (provider is IRemoteMetadataProvider)
 | |
|                 {
 | |
|                     if (!item.IsInternetMetadataEnabled())
 | |
|                     {
 | |
|                         return false;
 | |
|                     }
 | |
| 
 | |
|                     if (Array.IndexOf(options.DisabledMetadataFetchers, provider.Name) != -1)
 | |
|                     {
 | |
|                         return false;
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             if (!item.SupportsLocalMetadata && provider is ILocalMetadataProvider)
 | |
|             {
 | |
|                 return false;
 | |
|             }
 | |
| 
 | |
|             // If this restriction is ever lifted, movie xml providers will have to be updated to prevent owned items like trailers from reading those files
 | |
|             if (item.IsOwnedItem)
 | |
|             {
 | |
|                 if (provider is ILocalMetadataProvider || provider is IRemoteMetadataProvider)
 | |
|                 {
 | |
|                     return false;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             return true;
 | |
|         }
 | |
| 
 | |
|         private bool CanRefresh(IImageProvider provider, IHasImages item, MetadataOptions options, bool includeDisabled)
 | |
|         {
 | |
|             if (!includeDisabled)
 | |
|             {
 | |
|                 // If locked only allow local providers
 | |
|                 if (item.IsLocked && !(provider is ILocalImageProvider))
 | |
|                 {
 | |
|                     return false;
 | |
|                 }
 | |
| 
 | |
|                 if (provider is IRemoteImageProvider || provider is IDynamicImageProvider)
 | |
|                 {
 | |
|                     if (Array.IndexOf(options.DisabledImageFetchers, provider.Name) != -1)
 | |
|                     {
 | |
|                         return false;
 | |
|                     }
 | |
| 
 | |
|                     if (provider is IRemoteImageProvider)
 | |
|                     {
 | |
|                         if (!item.IsInternetMetadataEnabled())
 | |
|                         {
 | |
|                             return false;
 | |
|                         }
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             try
 | |
|             {
 | |
|                 return provider.Supports(item);
 | |
|             }
 | |
|             catch (Exception ex)
 | |
|             {
 | |
|                 _logger.ErrorException("{0} failed in Supports for type {1}", ex, provider.GetType().Name, item.GetType().Name);
 | |
|                 return false;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Gets the order.
 | |
|         /// </summary>
 | |
|         /// <param name="provider">The provider.</param>
 | |
|         /// <returns>System.Int32.</returns>
 | |
|         private int GetOrder(IImageProvider provider)
 | |
|         {
 | |
|             var hasOrder = provider as IHasOrder;
 | |
| 
 | |
|             if (hasOrder == null)
 | |
|             {
 | |
|                 return 0;
 | |
|             }
 | |
| 
 | |
|             return hasOrder.Order;
 | |
|         }
 | |
| 
 | |
|         private int GetConfiguredOrder(IMetadataProvider provider, MetadataOptions options)
 | |
|         {
 | |
|             // See if there's a user-defined order
 | |
|             if (provider is ILocalMetadataProvider)
 | |
|             {
 | |
|                 var index = Array.IndexOf(options.LocalMetadataReaderOrder, provider.Name);
 | |
| 
 | |
|                 if (index != -1)
 | |
|                 {
 | |
|                     return index;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             // See if there's a user-defined order
 | |
|             if (provider is IRemoteMetadataProvider)
 | |
|             {
 | |
|                 var index = Array.IndexOf(options.MetadataFetcherOrder, provider.Name);
 | |
| 
 | |
|                 if (index != -1)
 | |
|                 {
 | |
|                     return index;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             // Not configured. Just return some high number to put it at the end.
 | |
|             return 100;
 | |
|         }
 | |
| 
 | |
|         private int GetDefaultOrder(IMetadataProvider provider)
 | |
|         {
 | |
|             var hasOrder = provider as IHasOrder;
 | |
| 
 | |
|             if (hasOrder != null)
 | |
|             {
 | |
|                 return hasOrder.Order;
 | |
|             }
 | |
| 
 | |
|             return 0;
 | |
|         }
 | |
| 
 | |
|         public IEnumerable<MetadataPluginSummary> GetAllMetadataPlugins()
 | |
|         {
 | |
|             var list = new List<MetadataPluginSummary>
 | |
|             {
 | |
|                 GetPluginSummary<Game>(),
 | |
|                 GetPluginSummary<GameSystem>(),
 | |
|                 GetPluginSummary<Movie>(),
 | |
|                 GetPluginSummary<BoxSet>(),
 | |
|                 GetPluginSummary<Book>(),
 | |
|                 GetPluginSummary<Series>(),
 | |
|                 GetPluginSummary<Season>(),
 | |
|                 GetPluginSummary<Episode>(),
 | |
|                 GetPluginSummary<Person>(),
 | |
|                 GetPluginSummary<MusicAlbum>(),
 | |
|                 GetPluginSummary<MusicArtist>(),
 | |
|                 GetPluginSummary<Audio>(),
 | |
|                 GetPluginSummary<Genre>(),
 | |
|                 GetPluginSummary<Studio>(),
 | |
|                 GetPluginSummary<GameGenre>(),
 | |
|                 GetPluginSummary<MusicGenre>(),
 | |
|                 GetPluginSummary<MusicVideo>(),
 | |
|                 GetPluginSummary<Video>(),
 | |
|                 GetPluginSummary<LiveTvChannel>(),
 | |
|                 GetPluginSummary<LiveTvProgram>(),
 | |
|                 GetPluginSummary<LiveTvVideoRecording>(),
 | |
|                 GetPluginSummary<LiveTvAudioRecording>()
 | |
|             };
 | |
| 
 | |
|             return list;
 | |
|         }
 | |
| 
 | |
|         private MetadataPluginSummary GetPluginSummary<T>()
 | |
|             where T : BaseItem, new()
 | |
|         {
 | |
|             // Give it a dummy path just so that it looks like a file system item
 | |
|             var dummy = new T()
 | |
|             {
 | |
|                 Path = Path.Combine(_appPaths.InternalMetadataPath, "dummy")
 | |
|             };
 | |
| 
 | |
|             dummy.SetParent(new Folder());
 | |
| 
 | |
|             var options = GetMetadataOptions(dummy);
 | |
| 
 | |
|             var summary = new MetadataPluginSummary
 | |
|             {
 | |
|                 ItemType = typeof(T).Name
 | |
|             };
 | |
| 
 | |
|             var imageProviders = GetImageProviders(dummy, options, true).ToList();
 | |
| 
 | |
|             AddMetadataPlugins(summary.Plugins, dummy, options);
 | |
|             AddImagePlugins(summary.Plugins, dummy, imageProviders);
 | |
| 
 | |
|             var supportedImageTypes = imageProviders.OfType<IRemoteImageProvider>()
 | |
|                 .SelectMany(i => i.GetSupportedImages(dummy))
 | |
|                 .ToList();
 | |
| 
 | |
|             supportedImageTypes.AddRange(imageProviders.OfType<IDynamicImageProvider>()
 | |
|                 .SelectMany(i => i.GetSupportedImages(dummy)));
 | |
| 
 | |
|             summary.SupportedImageTypes = supportedImageTypes.Distinct().ToList();
 | |
| 
 | |
|             return summary;
 | |
|         }
 | |
| 
 | |
|         private void AddMetadataPlugins<T>(List<MetadataPlugin> list, T item, MetadataOptions options)
 | |
|             where T : IHasMetadata
 | |
|         {
 | |
|             var providers = GetMetadataProvidersInternal<T>(item, options, true).ToList();
 | |
| 
 | |
|             // Locals
 | |
|             list.AddRange(providers.Where(i => (i is ILocalMetadataProvider)).Select(i => new MetadataPlugin
 | |
|             {
 | |
|                 Name = i.Name,
 | |
|                 Type = MetadataPluginType.LocalMetadataProvider
 | |
|             }));
 | |
| 
 | |
|             if (item.IsInternetMetadataEnabled())
 | |
|             {
 | |
|                 // Fetchers
 | |
|                 list.AddRange(providers.Where(i => (i is IRemoteMetadataProvider)).Select(i => new MetadataPlugin
 | |
|                 {
 | |
|                     Name = i.Name,
 | |
|                     Type = MetadataPluginType.MetadataFetcher
 | |
|                 }));
 | |
|             }
 | |
| 
 | |
|             if (item.IsSaveLocalMetadataEnabled())
 | |
|             {
 | |
|                 // Savers
 | |
|                 list.AddRange(_savers.Where(i => IsSaverEnabledForItem(i, item, ItemUpdateType.MetadataEdit, true)).OrderBy(i => i.Name).Select(i => new MetadataPlugin
 | |
|                 {
 | |
|                     Name = i.Name,
 | |
|                     Type = MetadataPluginType.MetadataSaver
 | |
|                 }));
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         private void AddImagePlugins<T>(List<MetadataPlugin> list, T item, List<IImageProvider> imageProviders)
 | |
|             where T : IHasImages
 | |
|         {
 | |
| 
 | |
|             // Locals
 | |
|             list.AddRange(imageProviders.Where(i => (i is ILocalImageProvider)).Select(i => new MetadataPlugin
 | |
|             {
 | |
|                 Name = i.Name,
 | |
|                 Type = MetadataPluginType.LocalImageProvider
 | |
|             }));
 | |
| 
 | |
|             var enableInternet = item.IsInternetMetadataEnabled();
 | |
| 
 | |
|             // Fetchers
 | |
|             list.AddRange(imageProviders.Where(i => i is IDynamicImageProvider || (enableInternet && i is IRemoteImageProvider)).Select(i => new MetadataPlugin
 | |
|             {
 | |
|                 Name = i.Name,
 | |
|                 Type = MetadataPluginType.ImageFetcher
 | |
|             }));
 | |
|         }
 | |
| 
 | |
|         public MetadataOptions GetMetadataOptions(IHasImages item)
 | |
|         {
 | |
|             var type = item.GetType().Name;
 | |
| 
 | |
|             return ConfigurationManager.Configuration.MetadataOptions
 | |
|                 .FirstOrDefault(i => string.Equals(i.ItemType, type, StringComparison.OrdinalIgnoreCase)) ??
 | |
|                 new MetadataOptions();
 | |
|         }
 | |
| 
 | |
|         private readonly ConcurrentDictionary<string, SemaphoreSlim> _fileLocks = new ConcurrentDictionary<string, SemaphoreSlim>();
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Saves the metadata.
 | |
|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <param name="updateType">Type of the update.</param>
 | |
|         /// <returns>Task.</returns>
 | |
|         public Task SaveMetadata(IHasMetadata item, ItemUpdateType updateType)
 | |
|         {
 | |
|             return SaveMetadata(item, updateType, _savers);
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Saves the metadata.
 | |
|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <param name="updateType">Type of the update.</param>
 | |
|         /// <param name="savers">The savers.</param>
 | |
|         /// <returns>Task.</returns>
 | |
|         public Task SaveMetadata(IHasMetadata item, ItemUpdateType updateType, IEnumerable<string> savers)
 | |
|         {
 | |
|             return SaveMetadata(item, updateType, _savers.Where(i => savers.Contains(i.Name, StringComparer.OrdinalIgnoreCase)));
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Saves the metadata.
 | |
|         /// </summary>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <param name="updateType">Type of the update.</param>
 | |
|         /// <param name="savers">The savers.</param>
 | |
|         /// <returns>Task.</returns>
 | |
|         private async Task SaveMetadata(IHasMetadata item, ItemUpdateType updateType, IEnumerable<IMetadataSaver> savers)
 | |
|         {
 | |
|             foreach (var saver in savers.Where(i => IsSaverEnabledForItem(i, item, updateType, false)))
 | |
|             {
 | |
|                 _logger.Debug("Saving {0} to {1}.", item.Path ?? item.Name, saver.Name);
 | |
| 
 | |
|                 var fileSaver = saver as IMetadataFileSaver;
 | |
| 
 | |
|                 if (fileSaver != null)
 | |
|                 {
 | |
|                     string path = null;
 | |
| 
 | |
|                     try
 | |
|                     {
 | |
|                         path = fileSaver.GetSavePath(item);
 | |
|                     }
 | |
|                     catch (Exception ex)
 | |
|                     {
 | |
|                         _logger.ErrorException("Error in {0} GetSavePath", ex, saver.Name);
 | |
|                         continue;
 | |
|                     }
 | |
| 
 | |
|                     var semaphore = _fileLocks.GetOrAdd(path, key => new SemaphoreSlim(1, 1));
 | |
| 
 | |
|                     await semaphore.WaitAsync().ConfigureAwait(false);
 | |
| 
 | |
|                     try
 | |
|                     {
 | |
|                         _libraryMonitor.ReportFileSystemChangeBeginning(path);
 | |
|                         saver.Save(item, CancellationToken.None);
 | |
|                     }
 | |
|                     catch (Exception ex)
 | |
|                     {
 | |
|                         _logger.ErrorException("Error in metadata saver", ex);
 | |
|                     }
 | |
|                     finally
 | |
|                     {
 | |
|                         _libraryMonitor.ReportFileSystemChangeComplete(path, false);
 | |
|                         semaphore.Release();
 | |
|                     }
 | |
|                 }
 | |
|                 else
 | |
|                 {
 | |
|                     try
 | |
|                     {
 | |
|                         saver.Save(item, CancellationToken.None);
 | |
|                     }
 | |
|                     catch (Exception ex)
 | |
|                     {
 | |
|                         _logger.ErrorException("Error in metadata saver", ex);
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         /// <summary>
 | |
|         /// Determines whether [is saver enabled for item] [the specified saver].
 | |
|         /// </summary>
 | |
|         /// <param name="saver">The saver.</param>
 | |
|         /// <param name="item">The item.</param>
 | |
|         /// <param name="updateType">Type of the update.</param>
 | |
|         /// <param name="includeDisabled">if set to <c>true</c> [include disabled].</param>
 | |
|         /// <returns><c>true</c> if [is saver enabled for item] [the specified saver]; otherwise, <c>false</c>.</returns>
 | |
|         private bool IsSaverEnabledForItem(IMetadataSaver saver, IHasMetadata item, ItemUpdateType updateType, bool includeDisabled)
 | |
|         {
 | |
|             var options = GetMetadataOptions(item);
 | |
| 
 | |
|             try
 | |
|             {
 | |
|                 var isEnabledFor = saver.IsEnabledFor(item, updateType);
 | |
| 
 | |
|                 if (!includeDisabled)
 | |
|                 {
 | |
|                     if (options.DisabledMetadataSavers.Contains(saver.Name, StringComparer.OrdinalIgnoreCase))
 | |
|                     {
 | |
|                         return false;
 | |
|                     }
 | |
| 
 | |
|                     if (!item.IsSaveLocalMetadataEnabled())
 | |
|                     {
 | |
|                         if (updateType >= ItemUpdateType.MetadataEdit)
 | |
|                         {
 | |
|                             var fileSaver = saver as IMetadataFileSaver;
 | |
| 
 | |
|                             // Manual edit occurred
 | |
|                             // Even if save local is off, save locally anyway if the metadata file already exists
 | |
|                             if (fileSaver == null || !isEnabledFor || !File.Exists(fileSaver.GetSavePath(item)))
 | |
|                             {
 | |
|                                 return false;
 | |
|                             }
 | |
|                         }
 | |
|                         else
 | |
|                         {
 | |
|                             // Manual edit did not occur
 | |
|                             // Since local metadata saving is disabled, consider it disabled
 | |
|                             return false;
 | |
|                         }
 | |
|                     }
 | |
|                 }
 | |
| 
 | |
|                 return isEnabledFor;
 | |
|             }
 | |
|             catch (Exception ex)
 | |
|             {
 | |
|                 _logger.ErrorException("Error in {0}.IsEnabledFor", ex, saver.Name);
 | |
|                 return false;
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         public async Task<IEnumerable<RemoteSearchResult>> GetRemoteSearchResults<TItemType, TLookupType>(RemoteSearchQuery<TLookupType> searchInfo,
 | |
|             CancellationToken cancellationToken)
 | |
|             where TItemType : BaseItem, new()
 | |
|             where TLookupType : ItemLookupInfo
 | |
|         {
 | |
|             // Give it a dummy path just so that it looks like a file system item
 | |
|             var dummy = new TItemType
 | |
|             {
 | |
|                 Path = Path.Combine(_appPaths.InternalMetadataPath, "dummy")
 | |
|             };
 | |
| 
 | |
|             dummy.SetParent(new Folder());
 | |
| 
 | |
|             var options = GetMetadataOptions(dummy);
 | |
| 
 | |
|             var providers = GetMetadataProvidersInternal<TItemType>(dummy, options, searchInfo.IncludeDisabledProviders)
 | |
|                 .OfType<IRemoteSearchProvider<TLookupType>>();
 | |
| 
 | |
|             if (!string.IsNullOrEmpty(searchInfo.SearchProviderName))
 | |
|             {
 | |
|                 providers = providers.Where(i => string.Equals(i.Name, searchInfo.SearchProviderName, StringComparison.OrdinalIgnoreCase));
 | |
|             }
 | |
| 
 | |
|             if (string.IsNullOrWhiteSpace(searchInfo.SearchInfo.MetadataLanguage))
 | |
|             {
 | |
|                 searchInfo.SearchInfo.MetadataLanguage = ConfigurationManager.Configuration.PreferredMetadataLanguage;
 | |
|             }
 | |
|             if (string.IsNullOrWhiteSpace(searchInfo.SearchInfo.MetadataCountryCode))
 | |
|             {
 | |
|                 searchInfo.SearchInfo.MetadataCountryCode = ConfigurationManager.Configuration.MetadataCountryCode;
 | |
|             }
 | |
| 
 | |
|             foreach (var provider in providers)
 | |
|             {
 | |
|                 try
 | |
|                 {
 | |
|                     var results = await GetSearchResults(provider, searchInfo.SearchInfo, cancellationToken).ConfigureAwait(false);
 | |
| 
 | |
|                     var list = results.ToList();
 | |
| 
 | |
|                     if (list.Count > 0)
 | |
|                     {
 | |
|                         return list.Take(10);
 | |
|                     }
 | |
|                 }
 | |
|                 catch (Exception ex)
 | |
|                 {
 | |
|                     // Logged at lower levels
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             // Nothing found
 | |
|             return new List<RemoteSearchResult>();
 | |
|         }
 | |
| 
 | |
|         private async Task<IEnumerable<RemoteSearchResult>> GetSearchResults<TLookupType>(IRemoteSearchProvider<TLookupType> provider, TLookupType searchInfo,
 | |
|             CancellationToken cancellationToken)
 | |
|             where TLookupType : ItemLookupInfo
 | |
|         {
 | |
|             var results = await provider.GetSearchResults(searchInfo, cancellationToken).ConfigureAwait(false);
 | |
| 
 | |
|             var list = results.ToList();
 | |
| 
 | |
|             foreach (var item in list)
 | |
|             {
 | |
|                 item.SearchProviderName = provider.Name;
 | |
|             }
 | |
| 
 | |
|             return list;
 | |
|         }
 | |
| 
 | |
|         public Task<HttpResponseInfo> GetSearchImage(string providerName, string url, CancellationToken cancellationToken)
 | |
|         {
 | |
|             var provider = _metadataProviders.OfType<IRemoteSearchProvider>().FirstOrDefault(i => string.Equals(i.Name, providerName, StringComparison.OrdinalIgnoreCase));
 | |
| 
 | |
|             if (provider == null)
 | |
|             {
 | |
|                 throw new ArgumentException("Search provider not found.");
 | |
|             }
 | |
| 
 | |
|             return provider.GetImageResponse(url, cancellationToken);
 | |
|         }
 | |
| 
 | |
|         public IEnumerable<IExternalId> GetExternalIds(IHasProviderIds item)
 | |
|         {
 | |
|             return _externalIds.Where(i =>
 | |
|             {
 | |
|                 try
 | |
|                 {
 | |
|                     return i.Supports(item);
 | |
|                 }
 | |
|                 catch (Exception ex)
 | |
|                 {
 | |
|                     _logger.ErrorException("Error in {0}.Suports", ex, i.GetType().Name);
 | |
|                     return false;
 | |
|                 }
 | |
|             });
 | |
|         }
 | |
| 
 | |
|         public IEnumerable<ExternalUrl> GetExternalUrls(IHasProviderIds item)
 | |
|         {
 | |
|             return GetExternalIds(item)
 | |
|                 .Select(i =>
 | |
|             {
 | |
|                 if (string.IsNullOrEmpty(i.UrlFormatString))
 | |
|                 {
 | |
|                     return null;
 | |
|                 }
 | |
| 
 | |
|                 var value = item.GetProviderId(i.Key);
 | |
| 
 | |
|                 if (string.IsNullOrEmpty(value))
 | |
|                 {
 | |
|                     return null;
 | |
|                 }
 | |
| 
 | |
|                 return new ExternalUrl
 | |
|                 {
 | |
|                     Name = i.Name,
 | |
|                     Url = string.Format(i.UrlFormatString, value)
 | |
|                 };
 | |
| 
 | |
|             }).Where(i => i != null);
 | |
|         }
 | |
| 
 | |
|         public IEnumerable<ExternalIdInfo> GetExternalIdInfos(IHasProviderIds item)
 | |
|         {
 | |
|             return GetExternalIds(item)
 | |
|                 .Select(i => new ExternalIdInfo
 | |
|                 {
 | |
|                     Name = i.Name,
 | |
|                     Key = i.Key,
 | |
|                     UrlFormatString = i.UrlFormatString
 | |
| 
 | |
|                 });
 | |
|         }
 | |
| 
 | |
|         private readonly ConcurrentQueue<Tuple<Guid, MetadataRefreshOptions>> _refreshQueue =
 | |
|             new ConcurrentQueue<Tuple<Guid, MetadataRefreshOptions>>();
 | |
| 
 | |
|         private readonly object _refreshTimerLock = new object();
 | |
|         private Timer _refreshTimer;
 | |
| 
 | |
|         public void QueueRefresh(Guid id, MetadataRefreshOptions options)
 | |
|         {
 | |
|             if (_disposed)
 | |
|             {
 | |
|                 return;
 | |
|             }
 | |
| 
 | |
|             _refreshQueue.Enqueue(new Tuple<Guid, MetadataRefreshOptions>(id, options));
 | |
|             StartRefreshTimer();
 | |
|         }
 | |
| 
 | |
|         private void StartRefreshTimer()
 | |
|         {
 | |
|             lock (_refreshTimerLock)
 | |
|             {
 | |
|                 if (_refreshTimer == null)
 | |
|                 {
 | |
|                     _refreshTimer = new Timer(RefreshTimerCallback, null, 100, Timeout.Infinite);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         private void StopRefreshTimer()
 | |
|         {
 | |
|             lock (_refreshTimerLock)
 | |
|             {
 | |
|                 if (_refreshTimer != null)
 | |
|                 {
 | |
|                     _refreshTimer.Dispose();
 | |
|                     _refreshTimer = null;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         private async void RefreshTimerCallback(object state)
 | |
|         {
 | |
|             Tuple<Guid, MetadataRefreshOptions> refreshItem;
 | |
|             var libraryManager = _libraryManagerFactory();
 | |
| 
 | |
|             while (_refreshQueue.TryDequeue(out refreshItem))
 | |
|             {
 | |
|                 if (_disposed)
 | |
|                 {
 | |
|                     return;
 | |
|                 }
 | |
| 
 | |
|                 var item = libraryManager.GetItemById(refreshItem.Item1);
 | |
|                 if (item != null)
 | |
|                 {
 | |
|                     try
 | |
|                     {
 | |
|                         // Try to throttle this a little bit.
 | |
|                         await Task.Delay(100).ConfigureAwait(false);
 | |
| 
 | |
|                         var artist = item as MusicArtist;
 | |
|                         var task = artist == null
 | |
|                             ? RefreshItem(item, refreshItem.Item2, CancellationToken.None)
 | |
|                             : RefreshArtist(artist, refreshItem.Item2);
 | |
| 
 | |
|                         await task.ConfigureAwait(false);
 | |
|                     }
 | |
|                     catch (Exception ex)
 | |
|                     {
 | |
|                         _logger.ErrorException("Error refreshing item", ex);
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             StopRefreshTimer();
 | |
|         }
 | |
| 
 | |
|         private async Task RefreshItem(BaseItem item, MetadataRefreshOptions options, CancellationToken cancellationToken)
 | |
|         {
 | |
|             await item.RefreshMetadata(options, CancellationToken.None).ConfigureAwait(false);
 | |
| 
 | |
|             if (item.IsFolder)
 | |
|             {
 | |
|                 // Collection folders don't validate their children so we'll have to simulate that here
 | |
|                 var collectionFolder = item as CollectionFolder;
 | |
| 
 | |
|                 if (collectionFolder != null)
 | |
|                 {
 | |
|                     await RefreshCollectionFolderChildren(options, collectionFolder).ConfigureAwait(false);
 | |
|                 }
 | |
|                 else
 | |
|                 {
 | |
|                     var folder = (Folder)item;
 | |
| 
 | |
|                     await folder.ValidateChildren(new Progress<double>(), cancellationToken, options).ConfigureAwait(false);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         private async Task RefreshCollectionFolderChildren(MetadataRefreshOptions options, CollectionFolder collectionFolder)
 | |
|         {
 | |
|             foreach (var child in collectionFolder.Children.ToList())
 | |
|             {
 | |
|                 await child.RefreshMetadata(options, CancellationToken.None).ConfigureAwait(false);
 | |
| 
 | |
|                 if (child.IsFolder)
 | |
|                 {
 | |
|                     var folder = (Folder)child;
 | |
| 
 | |
|                     await folder.ValidateChildren(new Progress<double>(), CancellationToken.None).ConfigureAwait(false);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         private async Task RefreshArtist(MusicArtist item, MetadataRefreshOptions options)
 | |
|         {
 | |
|             var cancellationToken = CancellationToken.None;
 | |
| 
 | |
|             var albums = _libraryManagerFactory().RootFolder
 | |
|                                         .GetRecursiveChildren()
 | |
|                                         .OfType<MusicAlbum>()
 | |
|                                         .Where(i => i.HasAnyArtist(item.Name))
 | |
|                                         .ToList();
 | |
| 
 | |
|             var musicArtists = albums
 | |
|                 .Select(i => i.Parent)
 | |
|                 .OfType<MusicArtist>()
 | |
|                 .ToList();
 | |
| 
 | |
|             var musicArtistRefreshTasks = musicArtists.Select(i => i.ValidateChildren(new Progress<double>(), cancellationToken, options, true));
 | |
| 
 | |
|             await Task.WhenAll(musicArtistRefreshTasks).ConfigureAwait(false);
 | |
| 
 | |
|             try
 | |
|             {
 | |
|                 await item.RefreshMetadata(options, CancellationToken.None).ConfigureAwait(false);
 | |
|             }
 | |
|             catch (Exception ex)
 | |
|             {
 | |
|                 _logger.ErrorException("Error refreshing library", ex);
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         public Task RefreshFullItem(IHasMetadata item, MetadataRefreshOptions options,
 | |
|             CancellationToken cancellationToken)
 | |
|         {
 | |
|             return RefreshItem((BaseItem)item, options, cancellationToken);
 | |
|         }
 | |
| 
 | |
|         private bool _disposed;
 | |
|         public void Dispose()
 | |
|         {
 | |
|             _disposed = true;
 | |
|         }
 | |
|     }
 | |
| } |