private Task PublishPurchaseFailure(SellTicketsRequest request, string concertName)
{
return(_eventPublisher.Publish(new PurchaseFailedEvent(
Guid.NewGuid().ToString(),
Guid.NewGuid().ToString(),
request.ConcertId,
concertName,
request.BuyerId,
request.Quantity)));
}
public async Task <Result <Purchase> > SellTickets(SellTicketsRequest request)
{
var possibleConcert = await _concertRepository.GetConcert(request.ConcertId);
var result = await possibleConcert
.ToResult(Errors.ConcertNotFound)
.OnFailure(error => PublishPurchaseFailure(request, "Unknown"))
.Bind(async concert =>
{
var possibleBuyer = await _buyerRepository.GetBuyer(request.BuyerId);
return(await possibleBuyer
.ToResult(Errors.BuyerNotFound)
.Bind(buyer => _ticketsService.SellTickets(concert, buyer, new TicketQuantity(request.Quantity)))
.Tap(purchase => PublishPurchaseSuccess(purchase))
.OnFailure(error => PublishPurchaseFailure(request, concert.Name)));
});
return(result);
}
