2024-10-25 14:35:56 -04:00

116 lines
3.6 KiB
C#

// Copyright (C) 2024 Intro-Skipper contributors <intro-skipper.org>
// SPDX-License-Identifier: GPL-3.0-only.
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Tasks;
using Microsoft.Extensions.Logging;
namespace ConfusedPolarBear.Plugin.IntroSkipper;
/// <summary>
/// Analyze all television episodes for introduction sequences.
/// </summary>
public class DetectIntrosTask : IScheduledTask
{
private readonly ILogger<DetectIntrosTask> _logger;
private readonly ILoggerFactory _loggerFactory;
private readonly ILibraryManager _libraryManager;
/// <summary>
/// Initializes a new instance of the <see cref="DetectIntrosTask"/> class.
/// </summary>
/// <param name="loggerFactory">Logger factory.</param>
/// <param name="libraryManager">Library manager.</param>
/// <param name="logger">Logger.</param>
public DetectIntrosTask(
ILogger<DetectIntrosTask> logger,
ILoggerFactory loggerFactory,
ILibraryManager libraryManager)
{
_logger = logger;
_loggerFactory = loggerFactory;
_libraryManager = libraryManager;
}
/// <summary>
/// Gets the task name.
/// </summary>
public string Name => "Detect Intros";
/// <summary>
/// Gets the task category.
/// </summary>
public string Category => "Intro Skipper";
/// <summary>
/// Gets the task description.
/// </summary>
public string Description => "Analyzes media to determine the timestamp and length of intros.";
/// <summary>
/// Gets the task key.
/// </summary>
public string Key => "CPBIntroSkipperDetectIntroductions";
/// <summary>
/// Analyze all episodes in the queue. Only one instance of this task should be run at a time.
/// </summary>
/// <param name="progress">Task progress.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Task.</returns>
public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
{
if (_libraryManager is null)
{
throw new InvalidOperationException("Library manager was null");
}
// abort automatic analyzer if running
if (Entrypoint.AutomaticTaskState == TaskState.Running || Entrypoint.AutomaticTaskState == TaskState.Cancelling)
{
_logger.LogInformation("Automatic Task is {0} and will be canceled.", Entrypoint.AutomaticTaskState);
Entrypoint.CancelAutomaticTask(cancellationToken);
}
ScheduledTaskSemaphore.Wait(-1, cancellationToken);
if (cancellationToken.IsCancellationRequested)
{
ScheduledTaskSemaphore.Release();
return Task.CompletedTask;
}
_logger.LogInformation("Scheduled Task is starting");
Plugin.Instance!.Configuration.PathRestrictions.Clear();
var modes = new List<AnalysisMode> { AnalysisMode.Introduction };
var baseIntroAnalyzer = new BaseItemAnalyzerTask(
modes.AsReadOnly(),
_loggerFactory.CreateLogger<DetectIntrosTask>(),
_loggerFactory,
_libraryManager);
baseIntroAnalyzer.AnalyzeItems(progress, cancellationToken);
ScheduledTaskSemaphore.Release();
return Task.CompletedTask;
}
/// <summary>
/// Get task triggers.
/// </summary>
/// <returns>Task triggers.</returns>
public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
{
return Array.Empty<TaskTriggerInfo>();
}
}