public async Task AddAsync(TicketSaleDto dto) { var conference = await _conferenceRepository.GetAsync(dto.ConferenceId); if (conference is null) { throw new ConferenceNotFoundException(dto.ConferenceId); } if (conference.ParticipantsLimit.HasValue) { var ticketsCount = await _ticketRepository.CountForConferenceAsync(conference.Id); if (ticketsCount + dto.Amount > conference.ParticipantsLimit) { throw new TooManyTicketsException(conference.Id); } } dto.Id = Guid.NewGuid(); var ticketSale = new TicketSale { Id = dto.Id, ConferenceId = dto.ConferenceId, From = dto.From, To = dto.To, Amount = dto.Amount, Price = dto.Price, Name = dto.Name }; await _ticketSaleRepository.AddAsync(ticketSale); _logger.LogInformation($"Added a ticket sale conference with ID: '{conference.Id}' ({dto.From} - {dto.To})."); if (ticketSale.Amount.HasValue) { _logger.LogInformation($"Generating {ticketSale.Amount} tickets for conference with ID: '{conference.Id}'..."); var tickets = new List <Ticket>(); for (var i = 0; i < ticketSale.Amount; i++) { var ticket = _ticketGenerator.Generate(conference.Id, ticketSale.Id, ticketSale.Price); tickets.Add(ticket); } await _ticketRepository.AddManyAsync(tickets); } }
public async Task PurchaseAsync(Guid conferenceId, Guid userId) { var conference = await _conferenceRepository.GetAsync(conferenceId); if (conference is null) { throw new ConferenceNotFoundException(conferenceId); } var ticket = await _ticketRepository.GetAsync(conferenceId, userId); if (ticket is not null) { throw new TicketAlreadyPurchasedException(conferenceId, userId); } var now = _clock.CurrentDate(); var ticketSale = await _ticketSaleRepository.GetCurrentForConferenceAsync(conferenceId, now); if (ticketSale is null) { throw new TicketSaleUnavailableException(conferenceId); } if (ticketSale.Amount.HasValue) { await PurchaseAvailableAsync(ticketSale, userId, ticketSale.Price); return; } ticket = _generator.Generate(conferenceId, ticketSale.Id, ticketSale.Price); ticket.Purchase(userId, _clock.CurrentDate(), ticketSale.Price); await _ticketRepository.AddAsync(ticket); _logger.LogInformation($"Ticket with ID: '{ticket.Id}' was generated for the conference: " + $"'{conferenceId}' by user: '******'."); await _messageBroker.PublishAsync(new TicketPurchased(ticket.Id, conferenceId, userId)); }