public async Task EnterRoom(EnterRoomModel enterRoomModel)
{
if (enterRoomModel == null)
{
await Clients.Caller.SendAsync("Error", new { Error = "invalid_model" });
return;
}
string confirmToken = null;
//check token
if (enterRoomModel.ParticipantType == ParticipantType.Player)
{
confirmToken = await _roomRepo.GetPlayerTokenByIdAsync(enterRoomModel.RoomId);
}
else if (enterRoomModel.ParticipantType == ParticipantType.Listener)
{
confirmToken = await _roomRepo.GetListenTokenByIdAsync(enterRoomModel.RoomId);
}
//send error if participant`s type is invalid
if (confirmToken == null)
{
await Clients.Caller.SendAsync("Error", new { Error = "invalid_type" });
return;
}
//send error if token is invalid
if (confirmToken != enterRoomModel.Token)
{
await Clients.Caller.SendAsync("Error", new { Error = "invalid_token" });
return;
}
//get room
var room = await _roomRepo.FindByIdAsync(enterRoomModel.RoomId);
//send error if room doesn`t exist
if (room == null)
{
await Clients.Caller.SendAsync("Error", new { Error = "doesnt_exist" });
}
//Get the players who are in the room now
var participants = await _participantRepo.GetAsync(p => p.RoomId == room.Id && p.ParticipantType == ParticipantType.Player);
//Delete the room if there are no players in it, and the waiting time for the first player has expired
if (!participants.Any() && room.FirstConnectionExpired < DateTime.Now)
{
await _roomRepo.RemoveAsync(room, false);
await Clients.Caller.SendAsync("Error", new { Error = "doesnt_exist" });
await _roomRepo.SaveChangesAsync();
return;
}
//Add participant to the room
await Groups.AddToGroupAsync(Context.ConnectionId, room.Name);
var participant = new Participant
{
ConnectionId = Context.ConnectionId,
RoomId = room.Id,
ParticipantType = enterRoomModel.ParticipantType,
Name = enterRoomModel.Name
};
await _participantRepo.CreateAsync(participant, false);
var participantViewModel = participant.Adapt <ParticipantViewModel>();
participantViewModel.RoomName = room.Name;
await Clients.Group(room.Name).SendAsync("Join", participantViewModel);
await _participantRepo.SaveChangesAsync();
}