jellyfin-server/MediaBrowser.Server.Implementations/ScheduledTasks/PluginUpdateTask.cs

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using MediaBrowser.Common;
using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Common.Updates;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Net;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.ScheduledTasks
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{
/// <summary>
/// Plugin Update Task
/// </summary>
public class PluginUpdateTask : IScheduledTask
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{
/// <summary>
/// The _logger
/// </summary>
private readonly ILogger _logger;
private readonly IInstallationManager _installationManager;
private readonly IApplicationHost _appHost;
public PluginUpdateTask(ILogger logger, IInstallationManager installationManager, IApplicationHost appHost)
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{
_logger = logger;
_installationManager = installationManager;
_appHost = appHost;
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}
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/// <summary>
/// Creates the triggers that define when the task will run
/// </summary>
/// <returns>IEnumerable{BaseTaskTrigger}.</returns>
public IEnumerable<ITaskTrigger> GetDefaultTriggers()
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{
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return new ITaskTrigger[] {
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// At startup
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new StartupTrigger(),
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// Every so often
new IntervalTrigger { Interval = TimeSpan.FromHours(24)}
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};
}
/// <summary>
/// Update installed plugins
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task.</returns>
public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
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{
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progress.Report(0);
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var packagesToInstall = (await _installationManager.GetAvailablePluginUpdates(_appHost.ApplicationVersion, true, cancellationToken).ConfigureAwait(false)).ToList();
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progress.Report(10);
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var numComplete = 0;
// Create tasks for each one
var tasks = packagesToInstall.Select(i => Task.Run(async () =>
{
cancellationToken.ThrowIfCancellationRequested();
try
{
await _installationManager.InstallPackage(i, true, new Progress<double>(), cancellationToken).ConfigureAwait(false);
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}
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.ErrorException("Error downloading {0}", ex, i.name);
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}
catch (IOException ex)
{
_logger.ErrorException("Error updating {0}", ex, i.name);
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}
// Update progress
lock (progress)
{
numComplete++;
double percent = numComplete;
percent /= packagesToInstall.Count;
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progress.Report(90 * percent + 10);
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}
}));
cancellationToken.ThrowIfCancellationRequested();
await Task.WhenAll(tasks).ConfigureAwait(false);
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progress.Report(100);
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}
/// <summary>
/// Gets the name of the task
/// </summary>
/// <value>The name.</value>
public string Name
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{
get { return "Check for plugin updates"; }
}
/// <summary>
/// Gets the description.
/// </summary>
/// <value>The description.</value>
public string Description
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{
get { return "Downloads and installs updates for plugins that are configured to update automatically."; }
}
public string Category
{
get { return "Application"; }
}
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}
}