2012-07-12 08:55:27 +02:00
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using System;
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using System.Collections.Generic;
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2012-07-26 04:33:11 +02:00
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using System.ComponentModel.Composition;
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2012-07-12 08:55:27 +02:00
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using System.IO;
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using System.Linq;
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2012-08-20 15:36:18 +02:00
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using System.Reflection;
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2012-07-12 08:55:27 +02:00
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using System.Security.Cryptography;
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using System.Text;
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2012-08-19 17:58:35 +02:00
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using System.Threading.Tasks;
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2012-07-21 20:39:47 +02:00
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using MediaBrowser.Common.Kernel;
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using MediaBrowser.Controller.Configuration;
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2012-07-12 08:55:27 +02:00
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using MediaBrowser.Controller.IO;
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using MediaBrowser.Controller.Library;
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2012-08-19 17:58:35 +02:00
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using MediaBrowser.Controller.Providers;
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2012-07-12 08:55:27 +02:00
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using MediaBrowser.Controller.Resolvers;
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using MediaBrowser.Model.Entities;
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2012-08-11 21:49:45 +02:00
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using MediaBrowser.Model.Progress;
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2012-07-12 08:55:27 +02:00
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namespace MediaBrowser.Controller
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{
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2012-08-18 22:38:02 +02:00
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public class Kernel : BaseKernel<ServerConfiguration, ServerApplicationPaths>
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2012-07-12 08:55:27 +02:00
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{
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public static Kernel Instance { get; private set; }
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public ItemController ItemController { get; private set; }
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public IEnumerable<User> Users { get; private set; }
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public Folder RootFolder { get; private set; }
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private DirectoryWatchers DirectoryWatchers { get; set; }
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private string MediaRootFolderPath
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{
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get
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{
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2012-08-02 05:13:44 +02:00
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return ApplicationPaths.RootFolderPath;
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2012-07-12 08:55:27 +02:00
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}
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}
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2012-08-11 21:49:45 +02:00
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2012-08-19 17:58:35 +02:00
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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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[ImportMany(typeof(BaseMetadataProvider))]
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2012-08-24 18:24:29 +02:00
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private IEnumerable<BaseMetadataProvider> MetadataProvidersEnumerable { get; set; }
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/// <summary>
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/// Once MEF has loaded the resolvers, sort them by priority and store them in this array
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/// Given the sheer number of times they'll be iterated over it'll be faster to loop through an array
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/// </summary>
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private BaseMetadataProvider[] MetadataProviders { get; set; }
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2012-07-26 04:33:11 +02:00
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/// <summary>
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/// Gets the list of currently registered entity resolvers
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/// </summary>
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[ImportMany(typeof(IBaseItemResolver))]
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2012-08-21 03:21:03 +02:00
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private IEnumerable<IBaseItemResolver> EntityResolversEnumerable { get; set; }
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2012-08-23 20:35:44 +02:00
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/// <summary>
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/// Once MEF has loaded the resolvers, sort them by priority and store them in this array
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/// Given the sheer number of times they'll be iterated over it'll be faster to loop through an array
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/// </summary>
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2012-08-21 03:21:03 +02:00
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internal IBaseItemResolver[] EntityResolvers { get; private set; }
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2012-08-11 21:49:45 +02:00
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2012-07-12 08:55:27 +02:00
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/// <summary>
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2012-08-18 22:38:02 +02:00
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/// Creates a kernel based on a Data path, which is akin to our current programdata path
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2012-07-12 08:55:27 +02:00
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/// </summary>
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2012-07-21 20:39:47 +02:00
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public Kernel()
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: base()
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2012-07-12 08:55:27 +02:00
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{
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Instance = this;
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ItemController = new ItemController();
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DirectoryWatchers = new DirectoryWatchers();
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ItemController.PreBeginResolvePath += ItemController_PreBeginResolvePath;
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ItemController.BeginResolvePath += ItemController_BeginResolvePath;
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}
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2012-08-19 17:58:35 +02:00
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public async override Task Init(IProgress<TaskProgress> progress)
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{
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2012-08-22 04:50:59 +02:00
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ExtractFFMpeg();
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2012-08-23 07:45:26 +02:00
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2012-08-22 04:50:59 +02:00
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await base.Init(progress).ConfigureAwait(false);
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2012-08-11 21:49:45 +02:00
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2012-08-22 04:50:59 +02:00
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progress.Report(new TaskProgress() { Description = "Loading Users", PercentComplete = 15 });
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ReloadUsers();
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2012-08-11 21:49:45 +02:00
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2012-08-22 04:50:59 +02:00
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progress.Report(new TaskProgress() { Description = "Loading Media Library", PercentComplete = 25 });
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2012-08-23 14:26:08 +02:00
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await ReloadRoot(allowInternetProviders: false).ConfigureAwait(false);
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2012-08-20 15:36:18 +02:00
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2012-08-22 04:50:59 +02:00
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progress.Report(new TaskProgress() { Description = "Loading Complete", PercentComplete = 100 });
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2012-08-11 21:49:45 +02:00
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}
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2012-07-26 04:33:11 +02:00
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protected override void OnComposablePartsLoaded()
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2012-07-12 08:55:27 +02:00
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{
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2012-07-26 15:51:26 +02:00
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// The base class will start up all the plugins
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base.OnComposablePartsLoaded();
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2012-08-21 03:21:03 +02:00
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// Sort the resolvers by priority
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EntityResolvers = EntityResolversEnumerable.OrderBy(e => e.Priority).ToArray();
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2012-08-24 18:24:29 +02:00
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2012-08-21 03:21:03 +02:00
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// Sort the providers by priority
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2012-08-24 18:24:29 +02:00
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MetadataProviders = MetadataProvidersEnumerable.OrderBy(e => e.Priority).ToArray();
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2012-08-23 07:45:26 +02:00
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2012-08-20 17:55:05 +02:00
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// Initialize the metadata providers
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2012-08-19 17:58:35 +02:00
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Parallel.ForEach(MetadataProviders, provider =>
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{
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provider.Init();
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});
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}
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2012-07-12 08:55:27 +02:00
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/// <summary>
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/// Fires when a path is about to be resolved, but before child folders and files
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/// have been collected from the file system.
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/// This gives us a chance to cancel it if needed, resulting in the path being ignored
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/// </summary>
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void ItemController_PreBeginResolvePath(object sender, PreBeginResolveEventArgs e)
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{
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if (e.IsHidden || e.IsSystemFile)
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2012-07-12 08:55:27 +02:00
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{
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// Ignore hidden files and folders
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e.Cancel = true;
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}
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else if (Path.GetFileName(e.Path).Equals("trailers", StringComparison.OrdinalIgnoreCase))
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{
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// Ignore any folders named "trailers"
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e.Cancel = true;
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}
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}
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/// <summary>
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/// Fires when a path is about to be resolved, but after child folders and files
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/// This gives us a chance to cancel it if needed, resulting in the path being ignored
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/// </summary>
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void ItemController_BeginResolvePath(object sender, ItemResolveEventArgs e)
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{
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2012-08-21 16:42:40 +02:00
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if (e.ContainsFile(".ignore"))
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2012-07-12 08:55:27 +02:00
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{
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2012-08-21 16:42:40 +02:00
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// Ignore any folders containing a file called .ignore
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e.Cancel = true;
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2012-07-12 08:55:27 +02:00
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}
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}
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private void ReloadUsers()
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{
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2012-07-31 15:28:12 +02:00
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Users = GetAllUsers();
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2012-07-12 08:55:27 +02:00
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}
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/// <summary>
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/// Reloads the root media folder
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/// </summary>
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2012-08-23 14:26:08 +02:00
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public async Task ReloadRoot(bool allowInternetProviders = true)
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2012-07-12 08:55:27 +02:00
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{
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if (!Directory.Exists(MediaRootFolderPath))
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{
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Directory.CreateDirectory(MediaRootFolderPath);
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}
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DirectoryWatchers.Stop();
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2012-08-23 14:26:08 +02:00
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RootFolder = await ItemController.GetItem(MediaRootFolderPath, allowInternetProviders: allowInternetProviders).ConfigureAwait(false) as Folder;
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2012-07-12 08:55:27 +02:00
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DirectoryWatchers.Start();
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}
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public static Guid GetMD5(string str)
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{
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2012-08-20 21:24:02 +02:00
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using (var provider = new MD5CryptoServiceProvider())
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2012-07-12 08:55:27 +02:00
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{
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2012-08-20 21:24:02 +02:00
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return new Guid(provider.ComputeHash(Encoding.Unicode.GetBytes(str)));
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2012-07-12 08:55:27 +02:00
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}
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}
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2012-08-19 17:58:35 +02:00
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public async Task ReloadItem(BaseItem item)
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2012-07-12 08:55:27 +02:00
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{
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Folder folder = item as Folder;
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if (folder != null && folder.IsRoot)
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{
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2012-08-20 23:48:11 +02:00
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await ReloadRoot().ConfigureAwait(false);
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2012-07-12 08:55:27 +02:00
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}
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else
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{
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if (!Directory.Exists(item.Path) && !File.Exists(item.Path))
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{
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2012-08-20 23:48:11 +02:00
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await ReloadItem(item.Parent).ConfigureAwait(false);
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2012-07-12 08:55:27 +02:00
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return;
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}
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2012-08-21 03:21:03 +02:00
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BaseItem newItem = await ItemController.GetItem(item.Path, item.Parent).ConfigureAwait(false);
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2012-07-12 08:55:27 +02:00
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List<BaseItem> children = item.Parent.Children.ToList();
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int index = children.IndexOf(item);
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children.RemoveAt(index);
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children.Insert(index, newItem);
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item.Parent.Children = children.ToArray();
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}
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}
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2012-07-16 18:50:44 +02:00
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/// <summary>
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/// Finds a library item by Id
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/// </summary>
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public BaseItem GetItemById(Guid id)
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{
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if (id == Guid.Empty)
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{
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return RootFolder;
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}
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2012-08-18 10:22:54 +02:00
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return RootFolder.FindItemById(id);
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2012-07-16 18:50:44 +02:00
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}
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2012-07-31 15:28:12 +02:00
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/// <summary>
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/// Gets all users within the system
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/// </summary>
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private IEnumerable<User> GetAllUsers()
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{
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List<User> list = new List<User>();
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2012-08-02 14:51:43 +02:00
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// Return a dummy user for now since all calls to get items requre a userId
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User user = new User();
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2012-07-31 15:28:12 +02:00
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2012-08-02 14:51:43 +02:00
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user.Name = "Default User";
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2012-08-14 18:06:46 +02:00
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user.Id = Guid.Parse("5d1cf7fce25943b790d140095457a42b");
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2012-08-02 14:51:43 +02:00
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list.Add(user);
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2012-07-31 15:28:12 +02:00
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return list;
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}
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2012-08-19 22:38:31 +02:00
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2012-08-20 15:36:18 +02:00
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/// <summary>
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/// Runs all metadata providers for an entity
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/// </summary>
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2012-08-23 14:26:08 +02:00
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internal async Task ExecuteMetadataProviders(BaseEntity item, ItemResolveEventArgs args, bool allowInternetProviders = true)
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2012-08-19 22:38:31 +02:00
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{
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2012-08-21 05:32:59 +02:00
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// Run them sequentially in order of priority
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2012-08-24 18:24:29 +02:00
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for (int i = 0; i < MetadataProviders.Length; i++)
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2012-08-20 21:16:51 +02:00
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{
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2012-08-24 18:24:29 +02:00
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var provider = MetadataProviders[i];
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if (!provider.Supports(item))
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{
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continue;
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}
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2012-08-20 17:55:05 +02:00
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2012-08-23 14:26:08 +02:00
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if (provider.RequiresInternet && (!Configuration.EnableInternetProviders || !allowInternetProviders))
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2012-08-21 05:32:59 +02:00
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{
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continue;
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}
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2012-08-22 04:50:59 +02:00
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await provider.FetchAsync(item, args).ConfigureAwait(false);
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2012-08-19 22:38:31 +02:00
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}
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}
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2012-08-22 04:50:59 +02:00
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private void ExtractFFMpeg()
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{
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ExtractFFMpeg(ApplicationPaths.FFMpegPath);
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ExtractFFMpeg(ApplicationPaths.FFProbePath);
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}
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2012-08-20 15:36:18 +02:00
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/// <summary>
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/// Run these during Init.
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/// Can't run do this on-demand because there will be multiple workers accessing them at once and we'd have to lock them
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/// </summary>
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2012-08-22 04:50:59 +02:00
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private async void ExtractFFMpeg(string exe)
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2012-08-20 15:36:18 +02:00
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{
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if (File.Exists(exe))
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{
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File.Delete(exe);
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}
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// Extract exe
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using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("MediaBrowser.Controller.FFMpeg." + Path.GetFileName(exe)))
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{
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using (FileStream fileStream = new FileStream(exe, FileMode.Create))
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{
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2012-08-20 23:48:11 +02:00
|
|
|
|
await stream.CopyToAsync(fileStream).ConfigureAwait(false);
|
2012-08-20 15:36:18 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2012-08-19 22:38:31 +02:00
|
|
|
|
protected override void DisposeComposableParts()
|
|
|
|
|
{
|
|
|
|
|
base.DisposeComposableParts();
|
|
|
|
|
|
|
|
|
|
DisposeProviders();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Disposes all providers
|
|
|
|
|
/// </summary>
|
|
|
|
|
private void DisposeProviders()
|
|
|
|
|
{
|
|
|
|
|
if (MetadataProviders != null)
|
|
|
|
|
{
|
|
|
|
|
foreach (var provider in MetadataProviders)
|
|
|
|
|
{
|
|
|
|
|
provider.Dispose();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2012-07-12 08:55:27 +02:00
|
|
|
|
}
|
|
|
|
|
}
|