/// <summary>
/// Records that a guest is checked into the room.
/// </summary>
/// <param name="guest">The guest to check into the room</param>
/// <returns>The guest id</returns>
public async Task <ResponseModel> CheckIntoRoom(Guest guest)
{
bool isOccupied = (bool)(await _roomsRepository.GetState(guest.RoomId)).Response;
if (isOccupied)
{
throw new ClientException($"The room [RoomId = {guest.RoomId}] is occupied");
}
await _roomsRepository.ChangeRoomStatus(guest.RoomId);
await _context.Guests.AddAsync(guest);
await _context.SaveChangesAsync();
return(new ResponseModel(guest.Id));
}