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using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Net;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.ScheduledTasks
{
/// <summary>
/// Plugin Update Task
/// </summary>
public class PluginUpdateTask : BaseScheduledTask<Kernel>
{
/// <summary>
/// Initializes a new instance of the <see cref="PluginUpdateTask" /> class.
/// </summary>
/// <param name="kernel">The kernel.</param>
/// <param name="logger"></param>
public PluginUpdateTask(Kernel kernel, ITaskManager taskManager, ILogger logger)
: base(kernel, taskManager, logger)
{
}
/// <summary>
/// Creates the triggers that define when the task will run
/// </summary>
/// <returns>IEnumerable{BaseTaskTrigger}.</returns>
protected override IEnumerable<BaseTaskTrigger> GetDefaultTriggers()
{
return new BaseTaskTrigger[] {
// 1:30am
new DailyTrigger { TimeOfDay = TimeSpan.FromHours(1.5) },
new IntervalTrigger { Interval = TimeSpan.FromHours(2)}
};
}
/// <summary>
/// Update installed plugins
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task.</returns>
protected override async Task ExecuteInternal(CancellationToken cancellationToken, IProgress<double> progress)
{
progress.Report(0);
var packagesToInstall = (await Kernel.InstallationManager.GetAvailablePluginUpdates(true, cancellationToken).ConfigureAwait(false)).ToList();
progress.Report(10);
var numComplete = 0;
// Create tasks for each one
var tasks = packagesToInstall.Select(i => Task.Run(async () =>
{
cancellationToken.ThrowIfCancellationRequested();
try
{
await Kernel.InstallationManager.InstallPackage(i, new Progress<double> { }, 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.ErrorException("Error downloading {0}", ex, i.name);
}
catch (IOException ex)
{
Logger.ErrorException("Error updating {0}", ex, i.name);
}
// Update progress
lock (progress)
{
numComplete++;
double percent = numComplete;
percent /= packagesToInstall.Count;
progress.Report((90 * percent) + 10);
}
}));
cancellationToken.ThrowIfCancellationRequested();
await Task.WhenAll(tasks).ConfigureAwait(false);
progress.Report(100);
}
/// <summary>
/// Gets the name of the task
/// </summary>
/// <value>The name.</value>
public override string Name
{
get { return "Check for plugin updates"; }
}
/// <summary>
/// Gets the description.
/// </summary>
/// <value>The description.</value>
public override string Description
{
get { return "Downloads and installs updates for plugins that are configured to update automatically."; }
}
}
}
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