private async Task CancelPurchase(Purchase purchase)
{
await _mobilePayPaymentsService.CancelPayment(Guid.Parse(purchase.TransactionId));
purchase.Completed = false;
purchase.Status = PurchaseStatus.Cancelled;
await _context.SaveChangesAsync();
Log.Information("Purchase has been cancelled Purchase Id {PurchaseId}, Transaction Id {TransactionId}", purchase.Id, purchase.TransactionId);
}
public async Task<InitiatePurchaseResponse> InitiatePurchase(InitiatePurchaseRequest initiateRequest, User user)
{
var product = await _context.Products.Include(p => p.ProductUserGroup).FirstOrDefaultAsync(p => p.Id == initiateRequest.ProductId);
if (product == null)
{
Log.Error("No product was found by Product Id: {Id}", initiateRequest.ProductId);
throw new EntityNotFoundException($"No purchase was found by Purchase Id: {initiateRequest.ProductId}");
// Exception mapper
}
var productUserGroup = product.ProductUserGroup.Select(pug => pug.UserGroup);
var isUserInProductUserGroup = productUserGroup.Contains(user.UserGroup);
if (!isUserInProductUserGroup)
{
Log.Information("User {UserId} is not authorized to purchase Product Id: {ProductId} as user is not in Product User Group", user.Id, product.Id);
throw new ApiException("Product is not available for user to purchase", StatusCodes.Status403Forbidden);
}
var paymentDetails = await _mobilePayPaymentsService.InitiatePayment(new MobilePayPaymentRequest
{
Amount = product.Price,
OrderId = await GenerateUniqueOrderId(),
Description = product.Name
});
// FIXME State management, PaymentType
var purchase = new Purchase
{
ProductName = product.Name,
ProductId = product.Id,
Price = product.Price,
NumberOfTickets = product.NumberOfTickets,
DateCreated = DateTime.UtcNow,
Completed = false,
OrderId = paymentDetails.OrderId,
TransactionId = paymentDetails.PaymentId,
PurchasedBy = user,
Status = PurchaseStatus.PendingPayment
};
await _context.Purchases.AddAsync(purchase);
await _context.SaveChangesAsync();
return new InitiatePurchaseResponse
{
Id = purchase.Id,
DateCreated = purchase.DateCreated,
ProductId = product.Id,
ProductName = product.Name,
TotalAmount = purchase.Price,
PurchaseStatus = purchase.Status,
PaymentDetails = paymentDetails
};
}
private async Task CompletePurchase(Purchase purchase)
{
await _mobilePayPaymentsService.CapturePayment(Guid.Parse(purchase.TransactionId), purchase.Price);
await _ticketService.IssueTickets(purchase);
purchase.Completed = true;
purchase.Status = PurchaseStatus.Completed;
await _context.SaveChangesAsync();
await _emailService.SendInvoiceAsyncV2(purchase, purchase.PurchasedBy);
}