/// <summary>
/// Fired when a user disconnects.
/// </summary>
/// <returns></returns>
public Task Disconnect()
{
// 1: Get the user that disconnected
// 2: Remove him from the list of connected users
// 3: If the user was playing, notify the opponent that the user disconnected
// 4: Re-queue the opponent in the waiting list
// 5: Remove the room from the list
User user = _userRepository.ConnectedUsers.Where(u => u.Id.Equals(Context.ConnectionId)).FirstOrDefault();
if (user != null)
{
_userRepository.RemoveUser(user);
_userRepository.RemoveFromWaitingList(user);
PlayRoom room = _roomRepository.Rooms.Where(r => (r.Player1.Id.Equals(user.Id) || r.Player2.Id.Equals(user.Id))).FirstOrDefault();
// if the user was in the middle of a match
if (room != null)
{
var opponent = room.Player1.Id.Equals(user.Id) ? room.Player2 : room.Player1;
_userRepository.AddToWaitingList(opponent);
_roomRepository.Remove(room);
Engine.RemoveGame(room.Id);
return(Clients[opponent.Id].opponentLeft());
}
}
return(null);
}