From 78f9364b034d73ec80836e2c3a3b62714c8a3bdd Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Wed, 2 Nov 2016 16:58:51 -0400
Subject: move classes to portable server project

---
 .../Branding/BrandingConfigurationFactory.cs       |  21 +++
 .../Emby.Server.Implementations.csproj             |   6 +
 .../ScheduledTasks/ChapterImagesTask.cs            | 192 +++++++++++++++++++++
 .../ScheduledTasks/PeopleValidationTask.cs         |  94 ++++++++++
 .../ScheduledTasks/PluginUpdateTask.cs             | 140 +++++++++++++++
 .../ScheduledTasks/RefreshIntrosTask.cs            | 105 +++++++++++
 .../ScheduledTasks/SystemUpdateTask.cs             | 148 ++++++++++++++++
 7 files changed, 706 insertions(+)
 create mode 100644 Emby.Server.Implementations/Branding/BrandingConfigurationFactory.cs
 create mode 100644 Emby.Server.Implementations/ScheduledTasks/ChapterImagesTask.cs
 create mode 100644 Emby.Server.Implementations/ScheduledTasks/PeopleValidationTask.cs
 create mode 100644 Emby.Server.Implementations/ScheduledTasks/PluginUpdateTask.cs
 create mode 100644 Emby.Server.Implementations/ScheduledTasks/RefreshIntrosTask.cs
 create mode 100644 Emby.Server.Implementations/ScheduledTasks/SystemUpdateTask.cs

(limited to 'Emby.Server.Implementations')

diff --git a/Emby.Server.Implementations/Branding/BrandingConfigurationFactory.cs b/Emby.Server.Implementations/Branding/BrandingConfigurationFactory.cs
new file mode 100644
index 000000000..a29f55f16
--- /dev/null
+++ b/Emby.Server.Implementations/Branding/BrandingConfigurationFactory.cs
@@ -0,0 +1,21 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Model.Branding;
+using System.Collections.Generic;
+
+namespace Emby.Server.Implementations.Branding
+{
+    public class BrandingConfigurationFactory : IConfigurationFactory
+    {
+        public IEnumerable<ConfigurationStore> GetConfigurations()
+        {
+            return new[]
+            {
+                new ConfigurationStore
+                {
+                     ConfigurationType = typeof(BrandingOptions),
+                     Key = "branding"
+                }
+            };
+        }
+    }
+}
diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index 317b1b9b8..85dfda0a3 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -52,6 +52,7 @@
     <Compile Include="..\SharedVersion.cs">
       <Link>Properties\SharedVersion.cs</Link>
     </Compile>
+    <Compile Include="Branding\BrandingConfigurationFactory.cs" />
     <Compile Include="Channels\ChannelConfigurations.cs" />
     <Compile Include="Channels\ChannelDynamicMediaSourceProvider.cs" />
     <Compile Include="Channels\ChannelImageProvider.cs" />
@@ -61,6 +62,11 @@
     <Compile Include="Intros\DefaultIntroProvider.cs" />
     <Compile Include="News\NewsService.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ScheduledTasks\ChapterImagesTask.cs" />
+    <Compile Include="ScheduledTasks\PeopleValidationTask.cs" />
+    <Compile Include="ScheduledTasks\PluginUpdateTask.cs" />
+    <Compile Include="ScheduledTasks\RefreshIntrosTask.cs" />
+    <Compile Include="ScheduledTasks\SystemUpdateTask.cs" />
     <Compile Include="Updates\InstallationManager.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
diff --git a/Emby.Server.Implementations/ScheduledTasks/ChapterImagesTask.cs b/Emby.Server.Implementations/ScheduledTasks/ChapterImagesTask.cs
new file mode 100644
index 000000000..d75815847
--- /dev/null
+++ b/Emby.Server.Implementations/ScheduledTasks/ChapterImagesTask.cs
@@ -0,0 +1,192 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.IO;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Tasks;
+
+namespace Emby.Server.Implementations.ScheduledTasks
+{
+    /// <summary>
+    /// Class ChapterImagesTask
+    /// </summary>
+    class ChapterImagesTask : IScheduledTask
+    {
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly ILogger _logger;
+        /// <summary>
+        /// The _library manager
+        /// </summary>
+        private readonly ILibraryManager _libraryManager;
+
+        private readonly IItemRepository _itemRepo;
+
+        private readonly IApplicationPaths _appPaths;
+
+        private readonly IEncodingManager _encodingManager;
+        private readonly IFileSystem _fileSystem;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ChapterImagesTask" /> class.
+        /// </summary>
+        public ChapterImagesTask(ILogManager logManager, ILibraryManager libraryManager, IItemRepository itemRepo, IApplicationPaths appPaths, IEncodingManager encodingManager, IFileSystem fileSystem)
+        {
+            _logger = logManager.GetLogger(GetType().Name);
+            _libraryManager = libraryManager;
+            _itemRepo = itemRepo;
+            _appPaths = appPaths;
+            _encodingManager = encodingManager;
+            _fileSystem = fileSystem;
+        }
+
+        /// <summary>
+        /// Creates the triggers that define when the task will run
+        /// </summary>
+        public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
+        {
+            return new[] { 
+            
+                new TaskTriggerInfo
+                {
+                    Type = TaskTriggerInfo.TriggerDaily,
+                    TimeOfDayTicks = TimeSpan.FromHours(1).Ticks,
+                    MaxRuntimeMs = Convert.ToInt32(TimeSpan.FromHours(4).TotalMilliseconds)
+                }
+            };
+        }
+
+        public string Key
+        {
+            get { return "RefreshChapterImages"; }
+        }
+
+        /// <summary>
+        /// Returns the task to be executed
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            var videos = _libraryManager.GetItemList(new InternalItemsQuery
+            {
+                MediaTypes = new[] { MediaType.Video },
+                IsFolder = false,
+                Recursive = true
+            })
+                .OfType<Video>()
+                .ToList();
+
+            var numComplete = 0;
+
+            var failHistoryPath = Path.Combine(_appPaths.CachePath, "chapter-failures.txt");
+
+            List<string> previouslyFailedImages;
+
+            try
+            {
+                previouslyFailedImages = _fileSystem.ReadAllText(failHistoryPath)
+                    .Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries)
+                    .ToList();
+            }
+            catch (FileNotFoundException)
+            {
+                previouslyFailedImages = new List<string>();
+            }
+            catch (IOException)
+            {
+                previouslyFailedImages = new List<string>();
+            }
+
+            foreach (var video in videos)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var key = video.Path + video.DateModified.Ticks;
+
+                var extract = !previouslyFailedImages.Contains(key, StringComparer.OrdinalIgnoreCase);
+
+                try
+                {
+                    var chapters = _itemRepo.GetChapters(video.Id).ToList();
+
+                    var success = await _encodingManager.RefreshChapterImages(new ChapterImageRefreshOptions
+                    {
+                        SaveChapters = true,
+                        ExtractImages = extract,
+                        Video = video,
+                        Chapters = chapters
+
+                    }, CancellationToken.None);
+
+                    if (!success)
+                    {
+                        previouslyFailedImages.Add(key);
+
+                        var parentPath = Path.GetDirectoryName(failHistoryPath);
+
+                        _fileSystem.CreateDirectory(parentPath);
+
+                        _fileSystem.WriteAllText(failHistoryPath, string.Join("|", previouslyFailedImages.ToArray()));
+                    }
+
+                    numComplete++;
+                    double percent = numComplete;
+                    percent /= videos.Count;
+
+                    progress.Report(100 * percent);
+                }
+                catch (ObjectDisposedException)
+                {
+                    break;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets the name of the task
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get
+            {
+                return "Chapter image extraction";
+            }
+        }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        public string Description
+        {
+            get { return "Creates thumbnails for videos that have chapters."; }
+        }
+
+        /// <summary>
+        /// Gets the category.
+        /// </summary>
+        /// <value>The category.</value>
+        public string Category
+        {
+            get
+            {
+                return "Library";
+            }
+        }
+    }
+}
diff --git a/Emby.Server.Implementations/ScheduledTasks/PeopleValidationTask.cs b/Emby.Server.Implementations/ScheduledTasks/PeopleValidationTask.cs
new file mode 100644
index 000000000..51122226b
--- /dev/null
+++ b/Emby.Server.Implementations/ScheduledTasks/PeopleValidationTask.cs
@@ -0,0 +1,94 @@
+using MediaBrowser.Controller.Library;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Controller;
+using MediaBrowser.Model.Tasks;
+
+namespace Emby.Server.Implementations.ScheduledTasks
+{
+    /// <summary>
+    /// Class PeopleValidationTask
+    /// </summary>
+    public class PeopleValidationTask : IScheduledTask
+    {
+        /// <summary>
+        /// The _library manager
+        /// </summary>
+        private readonly ILibraryManager _libraryManager;
+
+        private readonly IServerApplicationHost _appHost;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PeopleValidationTask" /> class.
+        /// </summary>
+        /// <param name="libraryManager">The library manager.</param>
+        public PeopleValidationTask(ILibraryManager libraryManager, IServerApplicationHost appHost)
+        {
+            _libraryManager = libraryManager;
+            _appHost = appHost;
+        }
+
+        /// <summary>
+        /// Creates the triggers that define when the task will run
+        /// </summary>
+        public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
+        {
+            // Randomize the default start hour because this operation can really hammer internet metadata providers
+            var startHour = new Random(_appHost.SystemId.GetHashCode()).Next(0, 8);
+
+            return new[] { 
+            
+                // Every so often
+                new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerDaily, TimeOfDayTicks = TimeSpan.FromHours(startHour).Ticks}
+            };
+        }
+
+        public string Key
+        {
+            get { return "RefreshPeople"; }
+        }
+
+        /// <summary>
+        /// Returns the task to be executed
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            return _libraryManager.ValidatePeople(cancellationToken, progress);
+        }
+
+        /// <summary>
+        /// Gets the name of the task
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return "Refresh people"; }
+        }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        public string Description
+        {
+            get { return "Updates metadata for actors and directors in your media library."; }
+        }
+
+        /// <summary>
+        /// Gets the category.
+        /// </summary>
+        /// <value>The category.</value>
+        public string Category
+        {
+            get
+            {
+                return "Library";
+            }
+        }
+    }
+}
diff --git a/Emby.Server.Implementations/ScheduledTasks/PluginUpdateTask.cs b/Emby.Server.Implementations/ScheduledTasks/PluginUpdateTask.cs
new file mode 100644
index 000000000..e619b6864
--- /dev/null
+++ b/Emby.Server.Implementations/ScheduledTasks/PluginUpdateTask.cs
@@ -0,0 +1,140 @@
+using MediaBrowser.Common;
+using MediaBrowser.Common.Updates;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Net;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Tasks;
+
+namespace Emby.Server.Implementations.ScheduledTasks
+{
+    /// <summary>
+    /// Plugin Update Task
+    /// </summary>
+    public class PluginUpdateTask : IScheduledTask
+    {
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly ILogger _logger;
+
+        private readonly IInstallationManager _installationManager;
+
+        private readonly IApplicationHost _appHost;
+
+        public PluginUpdateTask(ILogger logger, IInstallationManager installationManager, IApplicationHost appHost)
+        {
+            _logger = logger;
+            _installationManager = installationManager;
+            _appHost = appHost;
+        }
+
+        /// <summary>
+        /// Creates the triggers that define when the task will run
+        /// </summary>
+        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
+        public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
+        {
+            return new[] { 
+            
+                // At startup
+                new TaskTriggerInfo {Type = TaskTriggerInfo.TriggerStartup},
+
+                // Every so often
+                new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
+            };
+        }
+
+        public string Key
+        {
+            get { return "PluginUpdates"; }
+        }
+
+        /// <summary>
+        /// Update installed plugins
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            progress.Report(0);
+
+            var packagesToInstall = (await _installationManager.GetAvailablePluginUpdates(_appHost.ApplicationVersion, true, cancellationToken).ConfigureAwait(false)).ToList();
+
+            progress.Report(10);
+
+            var numComplete = 0;
+
+            // Create tasks for each one
+            var tasks = packagesToInstall.Select(i => Task.Run(async () =>
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                try
+                {
+                    await _installationManager.InstallPackage(i, true, new Progress<double>(), cancellationToken).ConfigureAwait(false);
+                }
+                catch (OperationCanceledException)
+                {
+                    // InstallPackage has it's own inner cancellation token, so only throw this if it's ours
+                    if (cancellationToken.IsCancellationRequested)
+                    {
+                        throw;
+                    }
+                }
+                catch (HttpException ex)
+                {
+                    _logger.ErrorException("Error downloading {0}", ex, i.name);
+                }
+                catch (IOException ex)
+                {
+                    _logger.ErrorException("Error updating {0}", ex, i.name);
+                }
+
+                // Update progress
+                lock (progress)
+                {
+                    numComplete++;
+                    double percent = numComplete;
+                    percent /= packagesToInstall.Count;
+
+                    progress.Report(90 * percent + 10);
+                }
+            }));
+
+            cancellationToken.ThrowIfCancellationRequested();
+
+            await Task.WhenAll(tasks).ConfigureAwait(false);
+
+            progress.Report(100);
+        }
+
+        /// <summary>
+        /// Gets the name of the task
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return "Check for plugin updates"; }
+        }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        public string Description
+        {
+            get { return "Downloads and installs updates for plugins that are configured to update automatically."; }
+        }
+
+        public string Category
+        {
+            get { return "Application"; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Emby.Server.Implementations/ScheduledTasks/RefreshIntrosTask.cs b/Emby.Server.Implementations/ScheduledTasks/RefreshIntrosTask.cs
new file mode 100644
index 000000000..749233fa1
--- /dev/null
+++ b/Emby.Server.Implementations/ScheduledTasks/RefreshIntrosTask.cs
@@ -0,0 +1,105 @@
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.IO;
+using MediaBrowser.Model.IO;
+
+namespace Emby.Server.Implementations.ScheduledTasks
+{
+    /// <summary>
+    /// Class RefreshIntrosTask
+    /// </summary>
+    public class RefreshIntrosTask : ILibraryPostScanTask
+    {
+        /// <summary>
+        /// The _library manager
+        /// </summary>
+        private readonly ILibraryManager _libraryManager;
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly ILogger _logger;
+
+        private readonly IFileSystem _fileSystem;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RefreshIntrosTask" /> class.
+        /// </summary>
+        /// <param name="libraryManager">The library manager.</param>
+        /// <param name="logger">The logger.</param>
+        /// <param name="fileSystem">The file system.</param>
+        public RefreshIntrosTask(ILibraryManager libraryManager, ILogger logger, IFileSystem fileSystem)
+        {
+            _libraryManager = libraryManager;
+            _logger = logger;
+            _fileSystem = fileSystem;
+        }
+
+        /// <summary>
+        /// Runs the specified progress.
+        /// </summary>
+        /// <param name="progress">The progress.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public async Task Run(IProgress<double> progress, CancellationToken cancellationToken)
+        {
+            var files = _libraryManager.GetAllIntroFiles().ToList();
+
+            var numComplete = 0;
+
+            foreach (var file in files)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                try
+                {
+                    await RefreshIntro(file, cancellationToken).ConfigureAwait(false);
+                }
+                catch (OperationCanceledException)
+                {
+                    throw;
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error refreshing intro {0}", ex, file);
+                }
+
+                numComplete++;
+                double percent = numComplete;
+                percent /= files.Count;
+                progress.Report(percent * 100);
+            }
+        }
+
+        /// <summary>
+        /// Refreshes the intro.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        private async Task RefreshIntro(string path, CancellationToken cancellationToken)
+        {
+            var item = _libraryManager.ResolvePath(_fileSystem.GetFileSystemInfo(path));
+
+            if (item == null)
+            {
+                _logger.Error("Intro resolver returned null for {0}", path);
+                return;
+            }
+
+            var dbItem = _libraryManager.GetItemById(item.Id);
+
+            if (dbItem != null)
+            {
+                item = dbItem;
+            }
+
+            // Force the save if it's a new item
+            await item.RefreshMetadata(cancellationToken).ConfigureAwait(false);
+        }
+    }
+}
diff --git a/Emby.Server.Implementations/ScheduledTasks/SystemUpdateTask.cs b/Emby.Server.Implementations/ScheduledTasks/SystemUpdateTask.cs
new file mode 100644
index 000000000..28fd8b68c
--- /dev/null
+++ b/Emby.Server.Implementations/ScheduledTasks/SystemUpdateTask.cs
@@ -0,0 +1,148 @@
+using MediaBrowser.Common;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Model.Logging;
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Tasks;
+
+namespace Emby.Server.Implementations.ScheduledTasks
+{
+    /// <summary>
+    /// Plugin Update Task
+    /// </summary>
+    public class SystemUpdateTask : IScheduledTask
+    {
+        /// <summary>
+        /// The _app host
+        /// </summary>
+        private readonly IApplicationHost _appHost;
+
+        /// <summary>
+        /// Gets or sets the configuration manager.
+        /// </summary>
+        /// <value>The configuration manager.</value>
+        private IConfigurationManager ConfigurationManager { get; set; }
+        /// <summary>
+        /// Gets or sets the logger.
+        /// </summary>
+        /// <value>The logger.</value>
+        private ILogger Logger { get; set; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="SystemUpdateTask" /> class.
+        /// </summary>
+        /// <param name="appHost">The app host.</param>
+        /// <param name="configurationManager">The configuration manager.</param>
+        /// <param name="logger">The logger.</param>
+        public SystemUpdateTask(IApplicationHost appHost, IConfigurationManager configurationManager, ILogger logger)
+        {
+            _appHost = appHost;
+            ConfigurationManager = configurationManager;
+            Logger = logger;
+        }
+
+        /// <summary>
+        /// Creates the triggers that define when the task will run
+        /// </summary>
+        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
+        public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
+        {
+            return new[] { 
+            
+                // At startup
+                new TaskTriggerInfo {Type = TaskTriggerInfo.TriggerStartup},
+
+                // Every so often
+                new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
+            };
+        }
+
+        /// <summary>
+        /// Returns the task to be executed
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            EventHandler<double> innerProgressHandler = (sender, e) => progress.Report(e * .1);
+
+            // Create a progress object for the update check
+            var innerProgress = new Progress<double>();
+            innerProgress.ProgressChanged += innerProgressHandler;
+
+            var updateInfo = await _appHost.CheckForApplicationUpdate(cancellationToken, innerProgress).ConfigureAwait(false);
+
+            // Release the event handler
+            innerProgress.ProgressChanged -= innerProgressHandler;
+
+            progress.Report(10);
+
+            if (!updateInfo.IsUpdateAvailable)
+            {
+                Logger.Debug("No application update available.");
+                progress.Report(100);
+                return;
+            }
+
+            cancellationToken.ThrowIfCancellationRequested();
+
+            if (!_appHost.CanSelfUpdate) return;
+
+            if (ConfigurationManager.CommonConfiguration.EnableAutoUpdate)
+            {
+                Logger.Info("Update Revision {0} available.  Updating...", updateInfo.AvailableVersion);
+
+                innerProgressHandler = (sender, e) => progress.Report(e * .9 + .1);
+
+                innerProgress = new Progress<double>();
+                innerProgress.ProgressChanged += innerProgressHandler;
+
+                await _appHost.UpdateApplication(updateInfo.Package, cancellationToken, innerProgress).ConfigureAwait(false);
+
+                // Release the event handler
+                innerProgress.ProgressChanged -= innerProgressHandler;
+            }
+            else
+            {
+                Logger.Info("A new version of " + _appHost.Name + " is available.");
+            }
+
+            progress.Report(100);
+        }
+
+        /// <summary>
+        /// Gets the name of the task
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return "Check for application updates"; }
+        }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        public string Description
+        {
+            get { return "Downloads and installs application updates."; }
+        }
+
+        /// <summary>
+        /// Gets the category.
+        /// </summary>
+        /// <value>The category.</value>
+        public string Category
+        {
+            get { return "Application"; }
+        }
+
+        public string Key
+        {
+            get { return "SystemUpdateTask"; }
+        }
+    }
+}
-- 
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