129 lines
4.2 KiB
C#
129 lines
4.2 KiB
C#
using MediaBrowser.Common;
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using MediaBrowser.Common.Configuration;
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using Microsoft.Extensions.Logging;
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Progress;
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using MediaBrowser.Model.Tasks;
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namespace Emby.Server.Implementations.ScheduledTasks
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{
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/// <summary>
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/// Plugin Update Task
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/// </summary>
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public class SystemUpdateTask : IScheduledTask
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{
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/// <summary>
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/// The _app host
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/// </summary>
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private readonly IApplicationHost _appHost;
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/// <summary>
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/// Gets or sets the configuration manager.
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/// </summary>
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/// <value>The configuration manager.</value>
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private IConfigurationManager ConfigurationManager { get; set; }
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/// <summary>
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/// Gets or sets the logger.
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/// </summary>
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/// <value>The logger.</value>
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private ILogger Logger { get; set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="SystemUpdateTask" /> class.
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/// </summary>
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/// <param name="appHost">The app host.</param>
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/// <param name="configurationManager">The configuration manager.</param>
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/// <param name="logger">The logger.</param>
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public SystemUpdateTask(IApplicationHost appHost, IConfigurationManager configurationManager, ILogger logger)
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{
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_appHost = appHost;
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ConfigurationManager = configurationManager;
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Logger = logger;
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}
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/// <summary>
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/// Creates the triggers that define when the task will run
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/// </summary>
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/// <returns>IEnumerable{BaseTaskTrigger}.</returns>
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public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
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{
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return new[] {
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// At startup
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new TaskTriggerInfo {Type = TaskTriggerInfo.TriggerStartup},
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// Every so often
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new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
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};
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}
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/// <summary>
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/// Returns the task to be executed
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/// </summary>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress.</param>
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/// <returns>Task.</returns>
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public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
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{
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// Create a progress object for the update check
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var updateInfo = await _appHost.CheckForApplicationUpdate(cancellationToken, new SimpleProgress<double>()).ConfigureAwait(false);
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if (!updateInfo.IsUpdateAvailable)
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{
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Logger.LogDebug("No application update available.");
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return;
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}
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cancellationToken.ThrowIfCancellationRequested();
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if (!_appHost.CanSelfUpdate) return;
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if (ConfigurationManager.CommonConfiguration.EnableAutoUpdate)
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{
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Logger.LogInformation("Update Revision {0} available. Updating...", updateInfo.AvailableVersion);
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await _appHost.UpdateApplication(updateInfo.Package, cancellationToken, progress).ConfigureAwait(false);
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}
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else
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{
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Logger.LogInformation("A new version of " + _appHost.Name + " is available.");
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}
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}
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/// <summary>
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/// Gets the name of the task
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/// </summary>
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/// <value>The name.</value>
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public string Name
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{
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get { return "Check for application updates"; }
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}
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/// <summary>
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/// Gets the description.
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/// </summary>
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/// <value>The description.</value>
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public string Description
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{
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get { return "Downloads and installs application updates."; }
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}
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/// <summary>
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/// Gets the category.
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/// </summary>
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/// <value>The category.</value>
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public string Category
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{
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get { return "Application"; }
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}
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public string Key
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{
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get { return "SystemUpdateTask"; }
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}
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}
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}
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