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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
{
/// <summary>
/// Plugin Update Task.
/// </summary>
public class PluginUpdateTask : IScheduledTask, IConfigurableScheduledTask
{
/// <summary>
/// The _logger.
/// </summary>
private readonly ILogger _logger;
private readonly IInstallationManager _installationManager;
private readonly ILocalizationManager _localization;
public PluginUpdateTask(ILogger<PluginUpdateTask> logger, IInstallationManager installationManager, ILocalizationManager localization)
{
_logger = logger;
_installationManager = installationManager;
_localization = localization;
}
/// <summary>
/// Creates the triggers that define when the task will run.
/// </summary>
/// <returns>IEnumerable{BaseTaskTrigger}.</returns>
public IEnumerable<TaskTriggerInfo> 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 };
}
/// <summary>
/// Update installed plugins.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns><see cref="Task" />.</returns>
public async Task Execute(CancellationToken cancellationToken, IProgress<double> 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);
}
/// <inheritdoc />
public string Name => _localization.GetLocalizedString("TaskUpdatePlugins");
/// <inheritdoc />
public string Description => _localization.GetLocalizedString("TaskUpdatePluginsDescription");
/// <inheritdoc />
public string Category => _localization.GetLocalizedString("TasksApplicationCategory");
/// <inheritdoc />
public string Key => "PluginUpdates";
/// <inheritdoc />
public bool IsHidden => false;
/// <inheritdoc />
public bool IsEnabled => true;
/// <inheritdoc />
public bool IsLogged => true;
}
}
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