using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Threading; using System.Threading.Tasks; using MediaBrowser.Common.Updates; using MediaBrowser.Model.Net; using MediaBrowser.Model.Tasks; using Microsoft.Extensions.Logging; using MediaBrowser.Model.Globalization; namespace Emby.Server.Implementations.ScheduledTasks { /// /// Plugin Update Task. /// public class PluginUpdateTask : IScheduledTask, IConfigurableScheduledTask { /// /// The _logger. /// private readonly ILogger _logger; private readonly IInstallationManager _installationManager; private readonly ILocalizationManager _localization; public PluginUpdateTask(ILogger logger, IInstallationManager installationManager, ILocalizationManager localization) { _logger = logger; _installationManager = installationManager; _localization = localization; } /// /// Creates the triggers that define when the task will run. /// /// IEnumerable{BaseTaskTrigger}. public IEnumerable GetDefaultTriggers() { // At startup yield return new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerStartup }; // Every so often yield return new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks }; } /// /// Update installed plugins. /// /// The cancellation token. /// The progress. /// . public async Task Execute(CancellationToken cancellationToken, IProgress progress) { progress.Report(0); var packageFetchTask = _installationManager.GetAvailablePluginUpdates(cancellationToken); var packagesToInstall = (await packageFetchTask.ConfigureAwait(false)).ToList(); progress.Report(10); var numComplete = 0; foreach (var package in packagesToInstall) { cancellationToken.ThrowIfCancellationRequested(); try { await _installationManager.InstallPackage(package, 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.LogError(ex, "Error downloading {0}", package.name); } catch (IOException ex) { _logger.LogError(ex, "Error updating {0}", package.name); } // Update progress lock (progress) { progress.Report((90.0 * ++numComplete / packagesToInstall.Count) + 10); } } progress.Report(100); } /// public string Name => _localization.GetLocalizedString("TaskUpdatePlugins"); /// public string Description => _localization.GetLocalizedString("TaskUpdatePluginsDescription"); /// public string Category => _localization.GetLocalizedString("TasksApplicationCategory"); /// public string Key => "PluginUpdates"; /// public bool IsHidden => false; /// public bool IsEnabled => true; /// public bool IsLogged => true; } }