Kavita/Kavita.API/Services/SignalR/IPresenceTracker.cs

using System.Collections.Generic;
using System.Threading.Tasks;

namespace Kavita.API.Services.SignalR;

public interface IPresenceTracker
{
    Task UserConnected(int userId, string connectionId);
    Task UserDisconnected(int userId, string connectionId);
    Task<int[]> GetOnlineAdminIds();
    /// <summary>
    /// Returns ids for users that are not admin
    /// </summary>
    /// <returns></returns>
    Task<int[]> GetOnlineUserIds();
    Task<List<string>> GetConnectionsForUser(int userId);
}