using System.Globalization; using MediaBrowser.Common.Events; using MediaBrowser.Common.Plugins; using MediaBrowser.Common.ScheduledTasks; using MediaBrowser.Common.Updates; using MediaBrowser.Controller; using MediaBrowser.Controller.Configuration; using MediaBrowser.Controller.Entities; using MediaBrowser.Controller.Library; using MediaBrowser.Controller.Notifications; using MediaBrowser.Controller.Plugins; using MediaBrowser.Controller.Session; using MediaBrowser.Model.Configuration; using MediaBrowser.Model.Entities; using MediaBrowser.Model.Events; using MediaBrowser.Model.Logging; using MediaBrowser.Model.Notifications; using MediaBrowser.Model.Tasks; using MediaBrowser.Model.Updates; using System; using System.Collections.Generic; using System.Linq; using System.Threading; using System.Threading.Tasks; namespace MediaBrowser.Server.Implementations.EntryPoints.Notifications { /// /// Creates notifications for various system events /// public class Notifications : IServerEntryPoint { private readonly IInstallationManager _installationManager; private readonly IUserManager _userManager; private readonly ILogger _logger; private readonly ITaskManager _taskManager; private readonly INotificationManager _notificationManager; private readonly IServerConfigurationManager _config; private readonly ILibraryManager _libraryManager; private readonly ISessionManager _sessionManager; private readonly IServerApplicationHost _appHost; private Timer LibraryUpdateTimer { get; set; } private readonly object _libraryChangedSyncLock = new object(); public Notifications(IInstallationManager installationManager, IUserManager userManager, ILogger logger, ITaskManager taskManager, INotificationManager notificationManager, IServerConfigurationManager config, ILibraryManager libraryManager, ISessionManager sessionManager, IServerApplicationHost appHost) { _installationManager = installationManager; _userManager = userManager; _logger = logger; _taskManager = taskManager; _notificationManager = notificationManager; _config = config; _libraryManager = libraryManager; _sessionManager = sessionManager; _appHost = appHost; } public void Run() { _installationManager.PluginInstalled += _installationManager_PluginInstalled; _installationManager.PluginUpdated += _installationManager_PluginUpdated; _installationManager.PackageInstallationFailed += _installationManager_PackageInstallationFailed; _installationManager.PluginUninstalled += _installationManager_PluginUninstalled; _taskManager.TaskCompleted += _taskManager_TaskCompleted; _userManager.UserCreated += _userManager_UserCreated; _libraryManager.ItemAdded += _libraryManager_ItemAdded; _sessionManager.PlaybackStart += _sessionManager_PlaybackStart; _appHost.HasPendingRestartChanged += _appHost_HasPendingRestartChanged; _appHost.HasUpdateAvailableChanged += _appHost_HasUpdateAvailableChanged; _appHost.ApplicationUpdated += _appHost_ApplicationUpdated; } async void _appHost_ApplicationUpdated(object sender, GenericEventArgs e) { var type = NotificationType.ApplicationUpdateInstalled.ToString(); var notification = new NotificationRequest { NotificationType = type }; notification.Variables["Version"] = e.Argument.versionStr; notification.Variables["ReleaseNotes"] = e.Argument.description; await SendNotification(notification).ConfigureAwait(false); } async void _installationManager_PluginUpdated(object sender, GenericEventArgs> e) { var type = NotificationType.PluginUpdateInstalled.ToString(); var installationInfo = e.Argument.Item1; var notification = new NotificationRequest { Description = installationInfo.Description, NotificationType = type }; notification.Variables["Name"] = installationInfo.Name; notification.Variables["Version"] = installationInfo.Version.ToString(); notification.Variables["ReleaseNotes"] = e.Argument.Item2.description; await SendNotification(notification).ConfigureAwait(false); } async void _installationManager_PluginInstalled(object sender, GenericEventArgs e) { var type = NotificationType.PluginInstalled.ToString(); var installationInfo = e.Argument; var notification = new NotificationRequest { Description = installationInfo.description, NotificationType = type }; notification.Variables["Name"] = installationInfo.name; notification.Variables["Version"] = installationInfo.versionStr; await SendNotification(notification).ConfigureAwait(false); } async void _appHost_HasUpdateAvailableChanged(object sender, EventArgs e) { // This notification is for users who can't auto-update (aka running as service) if (!_appHost.HasUpdateAvailable || _appHost.CanSelfUpdate) { return; } var type = NotificationType.ApplicationUpdateAvailable.ToString(); var notification = new NotificationRequest { Description = "Please see mediabrowser.tv for details.", NotificationType = type }; await SendNotification(notification).ConfigureAwait(false); } async void _appHost_HasPendingRestartChanged(object sender, EventArgs e) { if (!_appHost.HasPendingRestart) { return; } var type = NotificationType.ServerRestartRequired.ToString(); var notification = new NotificationRequest { NotificationType = type }; await SendNotification(notification).ConfigureAwait(false); } async void _sessionManager_PlaybackStart(object sender, PlaybackProgressEventArgs e) { var user = e.Users.FirstOrDefault(); var item = e.MediaInfo; if (item == null) { _logger.Warn("PlaybackStart reported with null media info."); return; } if (e.Item != null && e.Item.Parent == null) { // Don't report theme song or local trailer playback // TODO: This will also cause movie specials to not be reported return; } var notification = new NotificationRequest { NotificationType = GetPlaybackNotificationType(item.MediaType), ExcludeUserIds = e.Users.Select(i => i.Id.ToString("N")).ToList() }; notification.Variables["ItemName"] = item.Name; notification.Variables["UserName"] = user == null ? "Unknown user" : user.Name; notification.Variables["AppName"] = e.ClientName; notification.Variables["DeviceName"] = e.DeviceName; await SendNotification(notification).ConfigureAwait(false); } private string GetPlaybackNotificationType(string mediaType) { if (string.Equals(mediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase)) { return NotificationType.AudioPlayback.ToString(); } if (string.Equals(mediaType, MediaType.Game, StringComparison.OrdinalIgnoreCase)) { return NotificationType.GamePlayback.ToString(); } if (string.Equals(mediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase)) { return NotificationType.VideoPlayback.ToString(); } return null; } private readonly List _itemsAdded = new List(); void _libraryManager_ItemAdded(object sender, ItemChangeEventArgs e) { if (e.Item.LocationType == LocationType.FileSystem && !e.Item.IsFolder) { lock (_libraryChangedSyncLock) { if (LibraryUpdateTimer == null) { LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, 5000, Timeout.Infinite); } else { LibraryUpdateTimer.Change(5000, Timeout.Infinite); } _itemsAdded.Add(e.Item); } } } private async void LibraryUpdateTimerCallback(object state) { List items; lock (_libraryChangedSyncLock) { items = _itemsAdded.ToList(); _itemsAdded.Clear(); DisposeLibraryUpdateTimer(); } if (items.Count == 1) { var item = items.First(); var notification = new NotificationRequest { NotificationType = NotificationType.NewLibraryContent.ToString() }; notification.Variables["Name"] = item.Name; await SendNotification(notification).ConfigureAwait(false); } else { var notification = new NotificationRequest { NotificationType = NotificationType.NewLibraryContentMultiple.ToString() }; notification.Variables["ItemCount"] = items.Count.ToString(CultureInfo.InvariantCulture); await SendNotification(notification).ConfigureAwait(false); } } async void _userManager_UserCreated(object sender, GenericEventArgs e) { var notification = new NotificationRequest { UserIds = new List { e.Argument.Id.ToString("N") }, Name = "Welcome to Media Browser!", Description = "Check back here for more notifications." }; await SendNotification(notification).ConfigureAwait(false); } async void _taskManager_TaskCompleted(object sender, GenericEventArgs e) { var result = e.Argument; if (result.Status == TaskCompletionStatus.Failed) { var type = NotificationType.TaskFailed.ToString(); var notification = new NotificationRequest { Description = result.ErrorMessage, Level = NotificationLevel.Error, NotificationType = type }; notification.Variables["Name"] = e.Argument.Name; notification.Variables["ErrorMessage"] = e.Argument.ErrorMessage; await SendNotification(notification).ConfigureAwait(false); } } async void _installationManager_PluginUninstalled(object sender, GenericEventArgs e) { var type = NotificationType.PluginUninstalled.ToString(); var plugin = e.Argument; var notification = new NotificationRequest { NotificationType = type }; notification.Variables["Name"] = plugin.Name; notification.Variables["Version"] = plugin.Version.ToString(); await SendNotification(notification).ConfigureAwait(false); } async void _installationManager_PackageInstallationFailed(object sender, InstallationFailedEventArgs e) { var installationInfo = e.InstallationInfo; var type = NotificationType.InstallationFailed.ToString(); var notification = new NotificationRequest { Level = NotificationLevel.Error, Description = e.Exception.Message, NotificationType = type }; notification.Variables["Name"] = installationInfo.Name; notification.Variables["Version"] = installationInfo.Version; await SendNotification(notification).ConfigureAwait(false); } private async Task SendNotification(NotificationRequest notification) { try { await _notificationManager.SendNotification(notification, CancellationToken.None).ConfigureAwait(false); } catch (Exception ex) { _logger.ErrorException("Error sending notification", ex); } } public void Dispose() { DisposeLibraryUpdateTimer(); _installationManager.PluginInstalled -= _installationManager_PluginInstalled; _installationManager.PluginUpdated -= _installationManager_PluginUpdated; _installationManager.PackageInstallationFailed -= _installationManager_PackageInstallationFailed; _installationManager.PluginUninstalled -= _installationManager_PluginUninstalled; _taskManager.TaskCompleted -= _taskManager_TaskCompleted; _userManager.UserCreated -= _userManager_UserCreated; _libraryManager.ItemAdded -= _libraryManager_ItemAdded; _sessionManager.PlaybackStart -= _sessionManager_PlaybackStart; _appHost.HasPendingRestartChanged -= _appHost_HasPendingRestartChanged; _appHost.HasUpdateAvailableChanged -= _appHost_HasUpdateAvailableChanged; _appHost.ApplicationUpdated -= _appHost_ApplicationUpdated; } private void DisposeLibraryUpdateTimer() { if (LibraryUpdateTimer != null) { LibraryUpdateTimer.Dispose(); LibraryUpdateTimer = null; } } } }