extracted provider manager. took more off the kernel

MediaBrowser.Controller/Providers/IProviderManager.cs

@@ -0,0 +1,51 @@
+using System.Collections.Generic;
+using MediaBrowser.Controller.Entities;
+using System;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Controller.Providers
+{
+    public interface IProviderManager : IDisposable
+    {
+        /// <summary>
+        /// Downloads the and save image.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="source">The source.</param>
+        /// <param name="targetName">Name of the target.</param>
+        /// <param name="resourcePool">The resource pool.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task{System.String}.</returns>
+        /// <exception cref="System.ArgumentNullException">item</exception>
+        Task<string> DownloadAndSaveImage(BaseItem item, string source, string targetName, SemaphoreSlim resourcePool, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Saves to library filesystem.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="path">The path.</param>
+        /// <param name="dataToSave">The data to save.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        /// <exception cref="System.ArgumentNullException"></exception>
+        Task SaveToLibraryFilesystem(BaseItem item, string path, Stream dataToSave, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Executes the metadata providers.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="force">if set to <c>true</c> [force].</param>
+        /// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
+        /// <returns>Task{System.Boolean}.</returns>
+        Task<bool> ExecuteMetadataProviders(BaseItem item, CancellationToken cancellationToken, bool force = false, bool allowSlowProviders = true);
+
+        /// <summary>
+        /// Adds the metadata providers.
+        /// </summary>
+        /// <param name="providers">The providers.</param>
+        void AddMetadataProviders(IEnumerable<BaseMetadataProvider> providers);
+    }
+}