Beispiel #1
0
        public async Task <IActionResult> RegisterInterested(int id)
        {
            try
            {
                var meeting = await _meetingsRepository.Select.ById(id);

                if (meeting == null)
                {
                    return(StatusCode(StatusCodes.Status404NotFound, $"There is no meeting for id = {id}"));
                }
                if (meeting.Participants.Count == meeting.MaxNumberOfParticipants)
                {
                    return(StatusCode(StatusCodes.Status405MethodNotAllowed, $"Maximum number of participants has been reached"));
                }

                var username = User.Identity.Name;
                var account  = await _accountsRepository.SelectByUsername(username);

                if (meeting.Participants.Contains(account))
                {
                    return(StatusCode(StatusCodes.Status405MethodNotAllowed, $"User already participates"));
                }

                await _meetingsRepository.RegisterAttendance(meeting, account);
            }
            catch (DbUpdateConcurrencyException)
            {
                return(NotFound());
            }

            return(Ok("Participation saved"));
        }