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@ -1,9 +1,11 @@
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.IO;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Concurrent;
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@ -13,12 +15,12 @@ using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Controller.Providers
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namespace MediaBrowser.Server.Implementations.Providers
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{
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/// <summary>
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/// Class ProviderManager
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/// </summary>
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public class ProviderManager : IDisposable
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public class ProviderManager : IProviderManager
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{
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/// <summary>
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/// The remote image cache
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@ -41,23 +43,37 @@ namespace MediaBrowser.Controller.Providers
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/// </summary>
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private readonly IHttpClient _httpClient;
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/// <summary>
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/// The _directory watchers
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/// </summary>
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private readonly IDirectoryWatchers _directoryWatchers;
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/// <summary>
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/// Gets or sets the configuration manager.
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/// </summary>
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/// <value>The configuration manager.</value>
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private IServerConfigurationManager ConfigurationManager { get; set; }
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private Kernel Kernel { get; set; }
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/// <summary>
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/// Gets the list of currently registered metadata prvoiders
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/// </summary>
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/// <value>The metadata providers enumerable.</value>
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private BaseMetadataProvider[] MetadataProviders { get; set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="ProviderManager" /> class.
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/// </summary>
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/// <param name="kernel">The kernel.</param>
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/// <param name="httpClient">The HTTP client.</param>
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/// <param name="logger">The logger.</param>
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public ProviderManager(Kernel kernel, IHttpClient httpClient, ILogger logger, IServerConfigurationManager configurationManager)
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/// <param name="configurationManager">The configuration manager.</param>
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/// <param name="directoryWatchers">The directory watchers.</param>
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/// <param name="logManager">The log manager.</param>
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public ProviderManager(IHttpClient httpClient, IServerConfigurationManager configurationManager, IDirectoryWatchers directoryWatchers, ILogManager logManager)
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{
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_logger = logger;
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Kernel = kernel;
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_logger = logManager.GetLogger("ProviderManager");
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_httpClient = httpClient;
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ConfigurationManager = configurationManager;
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_remoteImageCache = new FileSystemRepository(ImagesDataPath);
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_directoryWatchers = directoryWatchers;
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_remoteImageCache = new FileSystemRepository(configurationManager.ApplicationPaths.DownloadedImagesDataPath);
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configurationManager.ConfigurationUpdated += configurationManager_ConfigurationUpdated;
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}
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@ -77,37 +93,20 @@ namespace MediaBrowser.Controller.Providers
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}
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/// <summary>
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/// The _images data path
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/// Gets or sets the supported providers key.
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/// </summary>
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private string _imagesDataPath;
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/// <value>The supported providers key.</value>
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private Guid SupportedProvidersKey { get; set; }
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/// <summary>
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/// Gets the images data path.
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/// Adds the metadata providers.
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/// </summary>
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/// <value>The images data path.</value>
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public string ImagesDataPath
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/// <param name="providers">The providers.</param>
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public void AddMetadataProviders(IEnumerable<BaseMetadataProvider> providers)
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{
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get
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{
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if (_imagesDataPath == null)
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{
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_imagesDataPath = Path.Combine(ConfigurationManager.ApplicationPaths.DataPath, "remote-images");
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if (!Directory.Exists(_imagesDataPath))
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{
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Directory.CreateDirectory(_imagesDataPath);
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}
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}
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return _imagesDataPath;
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}
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MetadataProviders = providers.ToArray();
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}
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/// <summary>
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/// Gets or sets the supported providers key.
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/// </summary>
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/// <value>The supported providers key.</value>
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private Guid SupportedProvidersKey { get; set; }
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/// <summary>
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/// Runs all metadata providers for an entity, and returns true or false indicating if at least one was refreshed and requires persistence
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/// </summary>
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@ -116,7 +115,7 @@ namespace MediaBrowser.Controller.Providers
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/// <param name="force">if set to <c>true</c> [force].</param>
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/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
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/// <returns>Task{System.Boolean}.</returns>
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internal async Task<bool> ExecuteMetadataProviders(BaseItem item, CancellationToken cancellationToken, bool force = false, bool allowSlowProviders = true)
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public async Task<bool> ExecuteMetadataProviders(BaseItem item, CancellationToken cancellationToken, bool force = false, bool allowSlowProviders = true)
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{
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// Allow providers of the same priority to execute in parallel
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MetadataProviderPriority? currentPriority = null;
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@ -127,7 +126,7 @@ namespace MediaBrowser.Controller.Providers
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cancellationToken.ThrowIfCancellationRequested();
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// Determine if supported providers have changed
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var supportedProviders = Kernel.MetadataProviders.Where(p => p.Supports(item)).ToList();
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var supportedProviders = MetadataProviders.Where(p => p.Supports(item)).ToList();
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BaseProviderInfo supportedProvidersInfo;
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@ -201,7 +200,7 @@ namespace MediaBrowser.Controller.Providers
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continue;
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}
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currentTasks.Add(provider.FetchAsync(item, force, cancellationToken));
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currentTasks.Add(FetchAsync(provider, item, force, cancellationToken));
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currentPriority = provider.Priority;
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}
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@ -219,13 +218,69 @@ namespace MediaBrowser.Controller.Providers
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return result || providersChanged;
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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="provider">The provider.</param>
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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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/// <exception cref="System.ArgumentNullException"></exception>
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private async Task<bool> FetchAsync(BaseMetadataProvider provider, BaseItem item, bool force, CancellationToken cancellationToken)
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{
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if (item == null)
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{
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throw new ArgumentNullException();
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}
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cancellationToken.ThrowIfCancellationRequested();
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_logger.Info("Running {0} for {1}", provider.GetType().Name, item.Path ?? item.Name ?? "--Unknown--");
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// This provides the ability to cancel just this one provider
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var innerCancellationTokenSource = new CancellationTokenSource();
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OnProviderRefreshBeginning(provider, item, innerCancellationTokenSource);
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try
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{
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return await provider.FetchAsync(item, force, CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, innerCancellationTokenSource.Token).Token).ConfigureAwait(false);
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}
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catch (OperationCanceledException ex)
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{
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_logger.Info("{0} cancelled for {1}", provider.GetType().Name, item.Name);
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// If the outer cancellation token is the one that caused the cancellation, throw it
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if (cancellationToken.IsCancellationRequested && ex.CancellationToken == cancellationToken)
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{
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throw;
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}
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return false;
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}
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catch (Exception ex)
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{
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_logger.ErrorException("{0} failed refreshing {1}", ex, provider.GetType().Name, item.Name);
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provider.SetLastRefreshed(item, DateTime.UtcNow, ProviderRefreshStatus.Failure);
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return true;
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}
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finally
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{
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innerCancellationTokenSource.Dispose();
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OnProviderRefreshCompleted(provider, item);
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}
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}
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/// <summary>
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/// Notifies the kernal that a provider has begun refreshing
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/// </summary>
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/// <param name="provider">The provider.</param>
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/// <param name="item">The item.</param>
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/// <param name="cancellationTokenSource">The cancellation token source.</param>
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internal void OnProviderRefreshBeginning(BaseMetadataProvider provider, BaseItem item, CancellationTokenSource cancellationTokenSource)
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public void OnProviderRefreshBeginning(BaseMetadataProvider provider, BaseItem item, CancellationTokenSource cancellationTokenSource)
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{
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var key = item.Id + provider.GetType().Name;
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@ -253,7 +308,7 @@ namespace MediaBrowser.Controller.Providers
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/// </summary>
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/// <param name="provider">The provider.</param>
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/// <param name="item">The item.</param>
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internal void OnProviderRefreshCompleted(BaseMetadataProvider provider, BaseItem item)
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public void OnProviderRefreshCompleted(BaseMetadataProvider provider, BaseItem item)
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{
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var key = item.Id + provider.GetType().Name;
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@ -268,7 +323,7 @@ namespace MediaBrowser.Controller.Providers
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/// <summary>
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/// Validates the currently running providers and cancels any that should not be run due to configuration changes
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/// </summary>
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internal void ValidateCurrentlyRunningProviders()
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private void ValidateCurrentlyRunningProviders()
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{
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_logger.Info("Validing currently running providers");
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@ -321,7 +376,7 @@ namespace MediaBrowser.Controller.Providers
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if (ConfigurationManager.Configuration.SaveLocalMeta) // queue to media directories
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{
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await Kernel.FileSystemManager.SaveToLibraryFilesystem(item, localPath, img, cancellationToken).ConfigureAwait(false);
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await SaveToLibraryFilesystem(item, localPath, img, cancellationToken).ConfigureAwait(false);
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}
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else
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{
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@ -352,6 +407,63 @@ namespace MediaBrowser.Controller.Providers
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return localPath;
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}
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/// <summary>
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/// Saves to library filesystem.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="path">The path.</param>
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/// <param name="dataToSave">The data to save.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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/// <exception cref="System.ArgumentNullException"></exception>
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public async Task SaveToLibraryFilesystem(BaseItem item, string path, Stream dataToSave, CancellationToken cancellationToken)
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{
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if (item == null)
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{
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throw new ArgumentNullException();
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}
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException();
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}
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if (dataToSave == null)
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{
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throw new ArgumentNullException();
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}
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if (cancellationToken == null)
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{
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throw new ArgumentNullException();
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}
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cancellationToken.ThrowIfCancellationRequested();
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//Tell the watchers to ignore
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_directoryWatchers.TemporarilyIgnore(path);
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//Make the mod
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dataToSave.Position = 0;
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try
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{
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using (var fs = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, FileOptions.Asynchronous))
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{
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await dataToSave.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, cancellationToken).ConfigureAwait(false);
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dataToSave.Dispose();
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// If this is ever used for something other than metadata we can add a file type param
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item.ResolveArgs.AddMetadataFile(path);
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}
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}
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finally
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{
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//Remove the ignore
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_directoryWatchers.RemoveTempIgnore(path);
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}
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}
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/// <summary>
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/// Releases unmanaged and - optionally - managed resources.
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/// </summary>
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@ -364,6 +476,9 @@ namespace MediaBrowser.Controller.Providers
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}
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}
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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