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path: root/Jellyfin.Api/WebSocketListeners/ActivityLogWebSocketListener.cs
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using System;
using System.Threading.Tasks;
using Jellyfin.Data.Events;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Activity;
using MediaBrowser.Model.Session;
using Microsoft.Extensions.Logging;

namespace Jellyfin.Api.WebSocketListeners;

/// <summary>
/// Class SessionInfoWebSocketListener.
/// </summary>
public class ActivityLogWebSocketListener : BasePeriodicWebSocketListener<ActivityLogEntry[], WebSocketListenerState>
{
    /// <summary>
    /// The _kernel.
    /// </summary>
    private readonly IActivityManager _activityManager;

    /// <summary>
    /// Initializes a new instance of the <see cref="ActivityLogWebSocketListener"/> class.
    /// </summary>
    /// <param name="logger">Instance of the <see cref="ILogger{ActivityLogWebSocketListener}"/> interface.</param>
    /// <param name="activityManager">Instance of the <see cref="IActivityManager"/> interface.</param>
    public ActivityLogWebSocketListener(ILogger<ActivityLogWebSocketListener> logger, IActivityManager activityManager)
        : base(logger)
    {
        _activityManager = activityManager;
        _activityManager.EntryCreated += OnEntryCreated;
    }

    /// <inheritdoc />
    protected override SessionMessageType Type => SessionMessageType.ActivityLogEntry;

    /// <inheritdoc />
    protected override SessionMessageType StartType => SessionMessageType.ActivityLogEntryStart;

    /// <inheritdoc />
    protected override SessionMessageType StopType => SessionMessageType.ActivityLogEntryStop;

    /// <summary>
    /// Gets the data to send.
    /// </summary>
    /// <returns>Task{SystemInfo}.</returns>
    protected override Task<ActivityLogEntry[]> GetDataToSend()
    {
        return Task.FromResult(Array.Empty<ActivityLogEntry>());
    }

    /// <inheritdoc />
    protected override void Dispose(bool dispose)
    {
        _activityManager.EntryCreated -= OnEntryCreated;

        base.Dispose(dispose);
    }

    private async void OnEntryCreated(object? sender, GenericEventArgs<ActivityLogEntry> e)
    {
        await SendData(true).ConfigureAwait(false);
    }
}