jellyfin-server/MediaBrowser.Server.Implementations/EntryPoints/Notifications/Notifier.cs

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using MediaBrowser.Common.Events;
using MediaBrowser.Common.Plugins;
using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Common.Updates;
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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.Library;
using MediaBrowser.Controller.Notifications;
using MediaBrowser.Controller.Plugins;
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using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Notifications;
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using MediaBrowser.Model.Tasks;
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using System;
using System.Linq;
using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.EntryPoints.Notifications
{
/// <summary>
/// Creates notifications for various system events
/// </summary>
public class Notifications : IServerEntryPoint
{
private readonly IInstallationManager _installationManager;
private readonly IUserManager _userManager;
private readonly ILogger _logger;
private readonly ITaskManager _taskManager;
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private readonly INotificationManager _notificationManager;
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private readonly IServerConfigurationManager _config;
private readonly ILibraryManager _libraryManager;
private readonly ISessionManager _sessionManager;
private readonly IServerApplicationHost _appHost;
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public Notifications(IInstallationManager installationManager, IUserManager userManager, ILogger logger, ITaskManager taskManager, INotificationManager notificationManager, IServerConfigurationManager config, ILibraryManager libraryManager, ISessionManager sessionManager, IServerApplicationHost appHost)
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{
_installationManager = installationManager;
_userManager = userManager;
_logger = logger;
_taskManager = taskManager;
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_notificationManager = notificationManager;
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_config = config;
_libraryManager = libraryManager;
_sessionManager = sessionManager;
_appHost = appHost;
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}
public void Run()
{
_installationManager.PackageInstallationCompleted += _installationManager_PackageInstallationCompleted;
_installationManager.PackageInstallationFailed += _installationManager_PackageInstallationFailed;
_installationManager.PluginUninstalled += _installationManager_PluginUninstalled;
_taskManager.TaskCompleted += _taskManager_TaskCompleted;
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_userManager.UserCreated += _userManager_UserCreated;
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_libraryManager.ItemAdded += _libraryManager_ItemAdded;
_sessionManager.PlaybackStart += _sessionManager_PlaybackStart;
_appHost.HasPendingRestartChanged += _appHost_HasPendingRestartChanged;
_appHost.HasUpdateAvailableChanged += _appHost_HasUpdateAvailableChanged;
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}
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async void _appHost_HasUpdateAvailableChanged(object sender, EventArgs e)
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{
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// This notification is for users who can't auto-update (aka running as service)
if (!_appHost.HasUpdateAvailable || _appHost.CanSelfUpdate || !_config.Configuration.NotificationOptions.SendOnUpdates)
{
return;
}
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var userIds = _userManager
.Users
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.Where(i => i.Configuration.IsAdministrator)
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.Select(i => i.Id.ToString("N"))
.ToList();
var notification = new NotificationRequest
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{
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UserIds = userIds,
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Name = "A new version of Media Browser is available.",
Description = "Please see mediabrowser3.com for details."
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};
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await SendNotification(notification).ConfigureAwait(false);
}
async void _appHost_HasPendingRestartChanged(object sender, EventArgs e)
{
if (!_appHost.HasPendingRestart || !_config.Configuration.NotificationOptions.SendOnUpdates)
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{
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return;
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}
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var userIds = _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.Select(i => i.Id.ToString("N"))
.ToList();
var notification = new NotificationRequest
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{
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UserIds = userIds,
Name = "Please restart Media Browser to finish updating"
};
await SendNotification(notification).ConfigureAwait(false);
}
async void _sessionManager_PlaybackStart(object sender, PlaybackProgressEventArgs e)
{
if (!NotifyOnPlayback(e.MediaInfo.MediaType))
{
return;
}
var userIds = _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.Select(i => i.Id.ToString("N"))
.ToList();
var item = e.MediaInfo;
var msgName = "playing " + item.Name;
var user = e.Users.FirstOrDefault();
if (user != null)
{
msgName = user.Name + " " + msgName;
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}
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var notification = new NotificationRequest
{
UserIds = userIds,
Name = msgName
};
await SendNotification(notification).ConfigureAwait(false);
}
private bool NotifyOnPlayback(string mediaType)
{
if (string.Equals(mediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase))
{
return _config.Configuration.NotificationOptions.SendOnAudioPlayback;
}
if (string.Equals(mediaType, MediaType.Game, StringComparison.OrdinalIgnoreCase))
{
return _config.Configuration.NotificationOptions.SendOnGamePlayback;
}
if (string.Equals(mediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
{
return _config.Configuration.NotificationOptions.SendOnVideoPlayback;
}
return false;
}
async void _libraryManager_ItemAdded(object sender, ItemChangeEventArgs e)
{
if (_config.Configuration.NotificationOptions.SendOnNewLibraryContent &&
e.Item.LocationType == LocationType.FileSystem)
{
var userIds = _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.Select(i => i.Id.ToString("N"))
.ToList();
var item = e.Item;
var notification = new NotificationRequest
{
UserIds = userIds,
Name = item.Name + " added to library."
};
await SendNotification(notification).ConfigureAwait(false);
}
}
async void _userManager_UserCreated(object sender, GenericEventArgs<User> e)
{
var userIds = _userManager
.Users
.Select(i => i.Id.ToString("N"))
.ToList();
var notification = new NotificationRequest
{
UserIds = userIds,
Name = "Welcome to Media Browser!",
Description = "Check back here for more notifications."
};
await SendNotification(notification).ConfigureAwait(false);
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}
async void _taskManager_TaskCompleted(object sender, GenericEventArgs<TaskResult> e)
{
var result = e.Argument;
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if (result.Status == TaskCompletionStatus.Failed &&
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_config.Configuration.NotificationOptions.SendOnFailedTasks)
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{
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var userIds = _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.Select(i => i.Id.ToString("N"))
.ToList();
var notification = new NotificationRequest
{
UserIds = userIds,
Name = result.Name + " failed",
Description = result.ErrorMessage,
Level = NotificationLevel.Error
};
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await SendNotification(notification).ConfigureAwait(false);
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}
}
async void _installationManager_PluginUninstalled(object sender, GenericEventArgs<IPlugin> e)
{
var plugin = e.Argument;
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var userIds = _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.Select(i => i.Id.ToString("N"))
.ToList();
var notification = new NotificationRequest
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{
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UserIds = userIds,
Name = plugin.Name + " has been uninstalled"
};
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await SendNotification(notification).ConfigureAwait(false);
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}
async void _installationManager_PackageInstallationCompleted(object sender, InstallationEventArgs e)
{
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if (!_config.Configuration.NotificationOptions.SendOnUpdates)
{
return;
}
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var installationInfo = e.InstallationInfo;
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var userIds = _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.Select(i => i.Id.ToString("N"))
.ToList();
var notification = new NotificationRequest
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{
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UserIds = userIds,
Name = installationInfo.Name + " " + installationInfo.Version + " was installed",
Description = e.PackageVersionInfo.description
};
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await SendNotification(notification).ConfigureAwait(false);
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}
async void _installationManager_PackageInstallationFailed(object sender, InstallationFailedEventArgs e)
{
var installationInfo = e.InstallationInfo;
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var userIds = _userManager
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.Users
.Where(i => i.Configuration.IsAdministrator)
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.Select(i => i.Id.ToString("N"))
.ToList();
var notification = new NotificationRequest
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{
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UserIds = userIds,
Level = NotificationLevel.Error,
Name = installationInfo.Name + " " + installationInfo.Version + " installation failed",
Description = e.Exception.Message
};
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await SendNotification(notification).ConfigureAwait(false);
}
private async Task SendNotification(NotificationRequest notification)
{
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try
{
await _notificationManager.SendNotification(notification, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error sending notification", ex);
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}
}
public void Dispose()
{
_installationManager.PackageInstallationCompleted -= _installationManager_PackageInstallationCompleted;
_installationManager.PackageInstallationFailed -= _installationManager_PackageInstallationFailed;
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_installationManager.PluginUninstalled -= _installationManager_PluginUninstalled;
_taskManager.TaskCompleted -= _taskManager_TaskCompleted;
_userManager.UserCreated -= _userManager_UserCreated;
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_libraryManager.ItemAdded -= _libraryManager_ItemAdded;
_sessionManager.PlaybackStart -= _sessionManager_PlaybackStart;
_appHost.HasPendingRestartChanged -= _appHost_HasPendingRestartChanged;
_appHost.HasUpdateAvailableChanged -= _appHost_HasUpdateAvailableChanged;
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}
}
}