public async Task <ActionResult <TransactionViewModel> > CreateIntent(CreateIntentBody createIntentBody)
{
try
{
Logger.LogInformation("Creating intent of {Amount} by {User} for {Event}", createIntentBody.Amount, createIntentBody.UserId, createIntentBody.EventId);
var result = await TransactionService.CreateIntent(createIntentBody);
return(result);
}
catch (Exception e)
{
Logger.LogError(e.ToString());
return(BadRequest(e));
}
}
/// <inheritdoc />
/// <exception cref="UserNotFoundException">Thrown when the user is not found</exception>
/// <exception cref="Exception">Thrown if error</exception>
/// <exception cref="EventNotFoundException">Thrown if the event is not found</exception>
public async Task <TransactionViewModel> CreateIntent(CreateIntentBody createIntentBody)
{
var user = await ApplicationContext.Users
.Include(x => x.PaymentMethods)
.FirstOrDefaultAsync(x => x.Id == createIntentBody.UserId);
var e = await ApplicationContext.Events.AsSplitQuery()
.Include(x => x.Promos)
.Include(x => x.Host)
.Include(x => x.Tickets)
.Include(x => x.Transactions)
.FirstOrDefaultAsync(x => x.Id == createIntentBody.EventId);
if (user == null)
{
Logger.LogInformation("User was not found");
throw new UserNotFoundException();
}
// if the user doesn't have a customer id or payment method throw exception
if (user.StripeCustomerId == null || !user.PaymentMethods.Any())
{
throw new Exception("Not enough stripe info");
}
if (e == null)
{
Logger.LogInformation("Event was not found");
throw new EventNotFoundException();
}
// if the host of the event hasn't setup a bank account throw exception
if (e.Host.StripeAccountId == null)
{
throw new Exception("The host doesn't have enough stripe info");
}
// gets a promo that's currently active
var promo = e.Promos.FirstOrDefault(x => x.Active && x.Start < DateTime.Now && DateTime.Now < x.End);
if (promo != null)
{
// applies discount to price
createIntentBody.Amount -= (createIntentBody.Amount * promo.Discount / 100);
Logger.LogInformation("Found promo for event");
}
// Stipee api create intent options
var options = new PaymentIntentCreateOptions()
{
Amount = createIntentBody.Amount,
Currency = "gbp",
OnBehalfOf = e.Host.StripeAccountId,
Customer = user.StripeCustomerId,
ConfirmationMethod = "manual",
ApplicationFeeAmount = 10,
TransferData = new PaymentIntentTransferDataOptions()
{
Destination = e.Host.StripeAccountId
},
PaymentMethodTypes = new List <string>
{
"card"
},
Metadata = new Dictionary <string, string>
{
{ "EventId", e.Id.ToString() },
{ "PromoId", promo?.Id.ToString() }
},
};
var service = new PaymentIntentService();
try
{
var ticket = e.Tickets.FirstOrDefault(x => x.Available);
// if there's no tickets left then throw exception
if (ticket == null)
{
throw new Exception("Out of tickets");
}
// Sends request to Strip api to create intent
var intent = service.Create(options);
e.TicketsLeft = e.Tickets.Count(x => x.Available) - 1;
ticket.User = user;
ticket.Available = false;
// records transaction using Stripe response
Transaction transaction = new Transaction()
{
Amount = intent.Amount,
User = user,
Paid = intent.Status == "succeeded",
StripeIntentId = intent.Id,
Start = DateTime.Now,
Updated = DateTime.Now,
Status = Enum.Parse <PaymentStatus>(intent.Status, true),
Ticket = ticket,
Event = e,
ClientSecret = intent.ClientSecret,
PromoId = promo?.Id
};
await ApplicationContext.Transactions.AddAsync(transaction);
await ApplicationContext.SaveChangesAsync();
// start the intent timout method
CheckOnIntent(transaction.StripeIntentId, ticket.Id, e.Id);
return(Mapper.Map <TransactionViewModel>(transaction));
}
catch (Exception exception)
{
Console.WriteLine(exception);
throw;
}
}