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using MediaBrowser.Common.Events;
using MediaBrowser.Common.Plugins;
using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Common.Updates;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Notifications;
using MediaBrowser.Controller.Plugins;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Notifications;
using System;
using System.Linq;
using System.Threading;
using MediaBrowser.Model.Tasks;
namespace MediaBrowser.Server.Implementations.EntryPoints.Notifications
{
/// <summary>
/// Creates notifications for various system events
/// </summary>
public class Notifications : IServerEntryPoint
{
private readonly INotificationsRepository _notificationsRepo;
private readonly IInstallationManager _installationManager;
private readonly IUserManager _userManager;
private readonly ILogger _logger;
private readonly ITaskManager _taskManager;
public Notifications(IInstallationManager installationManager, INotificationsRepository notificationsRepo, IUserManager userManager, ILogger logger, ITaskManager taskManager)
{
_installationManager = installationManager;
_notificationsRepo = notificationsRepo;
_userManager = userManager;
_logger = logger;
_taskManager = taskManager;
}
public void Run()
{
_installationManager.PackageInstallationCompleted += _installationManager_PackageInstallationCompleted;
_installationManager.PackageInstallationFailed += _installationManager_PackageInstallationFailed;
_installationManager.PluginUninstalled += _installationManager_PluginUninstalled;
_taskManager.TaskCompleted += _taskManager_TaskCompleted;
_userManager.UserCreated += _userManager_UserCreated;
}
async void _userManager_UserCreated(object sender, GenericEventArgs<User> e)
{
var notification = new Notification
{
UserId = e.Argument.Id,
Category = "UserCreated",
Name = "Welcome to Media Browser!",
Description = "Check back here for more notifications."
};
try
{
await _notificationsRepo.AddNotification(notification, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error adding notification", ex);
}
}
async void _taskManager_TaskCompleted(object sender, GenericEventArgs<TaskResult> e)
{
var result = e.Argument;
if (result.Status == TaskCompletionStatus.Failed)
{
foreach (var user in _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.ToList())
{
var notification = new Notification
{
UserId = user.Id,
Category = "ScheduledTaskFailed",
Name = result.Name + " failed",
RelatedId = result.Name,
Description = result.ErrorMessage,
Level = NotificationLevel.Error
};
try
{
await _notificationsRepo.AddNotification(notification, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error adding notification", ex);
}
}
}
}
async void _installationManager_PluginUninstalled(object sender, GenericEventArgs<IPlugin> e)
{
var plugin = e.Argument;
foreach (var user in _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.ToList())
{
var notification = new Notification
{
UserId = user.Id,
Category = "PluginUninstalled",
Name = plugin.Name + " has been uninstalled",
RelatedId = plugin.Id.ToString()
};
try
{
await _notificationsRepo.AddNotification(notification, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error adding notification", ex);
}
}
}
async void _installationManager_PackageInstallationCompleted(object sender, InstallationEventArgs e)
{
var installationInfo = e.InstallationInfo;
foreach (var user in _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.ToList())
{
var notification = new Notification
{
UserId = user.Id,
Category = "PackageInstallationCompleted",
Name = installationInfo.Name + " " + installationInfo.Version + " was installed",
RelatedId = installationInfo.Name,
Description = e.PackageVersionInfo.description
};
try
{
await _notificationsRepo.AddNotification(notification, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error adding notification", ex);
}
}
}
async void _installationManager_PackageInstallationFailed(object sender, InstallationFailedEventArgs e)
{
var installationInfo = e.InstallationInfo;
foreach (var user in _userManager
.Users
.Where(i => i.Configuration.IsAdministrator)
.ToList())
{
var notification = new Notification
{
UserId = user.Id,
Category = "PackageInstallationFailed",
Level = NotificationLevel.Error,
Name = installationInfo.Name + " " + installationInfo.Version + " installation failed",
RelatedId = installationInfo.Name,
Description = e.Exception.Message
};
try
{
await _notificationsRepo.AddNotification(notification, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.ErrorException("Error adding notification", ex);
}
}
}
public void Dispose()
{
_installationManager.PackageInstallationCompleted -= _installationManager_PackageInstallationCompleted;
_installationManager.PackageInstallationFailed -= _installationManager_PackageInstallationFailed;
_installationManager.PluginUninstalled -= _installationManager_PluginUninstalled;
_taskManager.TaskCompleted -= _taskManager_TaskCompleted;
_userManager.UserCreated -= _userManager_UserCreated;
}
}
}
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