support remote notifications
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Notifications;
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using MediaBrowser.Controller.Plugins;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Notifications;
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using MediaBrowser.Model.Serialization;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.EntryPoints.Notifications
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{
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public class RemoteNotifications : IServerEntryPoint
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{
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private const string Url = "http://www.mb3admin.com/admin/service/MB3ServerNotifications.json";
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private Timer _timer;
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private readonly IHttpClient _httpClient;
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private readonly IApplicationPaths _appPaths;
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private readonly ILogger _logger;
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private readonly IJsonSerializer _json;
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private readonly INotificationsRepository _notificationsRepo;
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private readonly IUserManager _userManager;
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private readonly TimeSpan _frequency = TimeSpan.FromHours(12);
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private readonly TimeSpan _maxAge = TimeSpan.FromDays(31);
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public RemoteNotifications(IApplicationPaths appPaths, ILogger logger, IHttpClient httpClient, IJsonSerializer json, INotificationsRepository notificationsRepo, IUserManager userManager)
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{
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_appPaths = appPaths;
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_logger = logger;
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_httpClient = httpClient;
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_json = json;
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_notificationsRepo = notificationsRepo;
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_userManager = userManager;
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}
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/// <summary>
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/// Runs this instance.
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/// </summary>
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public void Run()
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{
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_timer = new Timer(OnTimerFired, null, TimeSpan.FromMilliseconds(500), _frequency);
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}
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/// <summary>
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/// Called when [timer fired].
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/// </summary>
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/// <param name="state">The state.</param>
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private async void OnTimerFired(object state)
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{
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var dataPath = Path.Combine(_appPaths.DataPath, "remotenotifications.json");
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var lastRunTime = File.Exists(dataPath) ? File.GetLastWriteTimeUtc(dataPath) : DateTime.MinValue;
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//if ((DateTime.UtcNow - lastRunTime) >= _frequency)
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{
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try
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{
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await DownloadNotifications(dataPath, lastRunTime).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error downloading remote notifications", ex);
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}
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}
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}
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/// <summary>
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/// Downloads the notifications.
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/// </summary>
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/// <param name="dataPath">The data path.</param>
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/// <param name="lastRunTime">The last run time.</param>
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/// <returns>Task.</returns>
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private async Task DownloadNotifications(string dataPath, DateTime lastRunTime)
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{
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using (var stream = await _httpClient.Get(new HttpRequestOptions
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{
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Url = Url
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}).ConfigureAwait(false))
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{
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var notifications = _json.DeserializeFromStream<RemoteNotification[]>(stream);
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File.WriteAllText(dataPath, string.Empty);
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await CreateNotifications(notifications, lastRunTime).ConfigureAwait(false);
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}
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}
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/// <summary>
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/// Creates the notifications.
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/// </summary>
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/// <param name="notifications">The notifications.</param>
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/// <param name="lastRunTime">The last run time.</param>
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/// <returns>Task.</returns>
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private async Task CreateNotifications(IEnumerable<RemoteNotification> notifications, DateTime lastRunTime)
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{
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// Only show notifications that are active, new since last download, and not older than max age
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var notificationList = notifications
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.Where(i => string.Equals(i.active, "1") && i.date > lastRunTime && (DateTime.Now - i.date) <= _maxAge)
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.ToList();
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foreach (var user in _userManager.Users.ToList())
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{
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foreach (var notification in notificationList)
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{
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await _notificationsRepo.AddNotification(new Notification
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{
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Category = notification.category,
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Date = notification.date,
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Name = notification.name,
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Description = notification.description,
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Url = notification.url,
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UserId = user.Id
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}, CancellationToken.None).ConfigureAwait(false);
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}
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}
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}
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public void Dispose()
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{
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if (_timer != null)
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{
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_timer.Dispose();
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_timer = null;
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}
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}
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private class RemoteNotification
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{
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public string id { get; set; }
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public DateTime date { get; set; }
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public string name { get; set; }
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public string description { get; set; }
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public string category { get; set; }
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public string url { get; set; }
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public object imageUrl { get; set; }
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public string active { get; set; }
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}
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}
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}
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@ -112,6 +112,7 @@
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<Compile Include="EntryPoints\LibraryChangedNotifier.cs" />
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<Compile Include="EntryPoints\LibraryChangedNotifier.cs" />
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<Compile Include="EntryPoints\LoadRegistrations.cs" />
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<Compile Include="EntryPoints\LoadRegistrations.cs" />
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<Compile Include="EntryPoints\Notifications\Notifier.cs" />
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<Compile Include="EntryPoints\Notifications\Notifier.cs" />
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<Compile Include="EntryPoints\Notifications\RemoteNotifications.cs" />
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<Compile Include="EntryPoints\Notifications\WebSocketNotifier.cs" />
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<Compile Include="EntryPoints\Notifications\WebSocketNotifier.cs" />
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<Compile Include="EntryPoints\RefreshUsersMetadata.cs" />
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<Compile Include="EntryPoints\RefreshUsersMetadata.cs" />
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<Compile Include="EntryPoints\WebSocketEvents.cs" />
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<Compile Include="EntryPoints\WebSocketEvents.cs" />
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