public async Task <IActionResult> Create(int customerID, [FromForm] CartViewModel cartVm)
{
try
{
if (customerID == 0)
{
User user = await _userManager.GetUserAsync(User);
customerID = user.CustomerID.Value;
}
Invoice invoice = new Invoice
{
CustomerID = customerID
};
foreach (var cartItem in cartVm.Items)
{
int?songID = null;
int?albumID = null;
switch (cartItem.Category)
{
case nameof(Song):
songID = cartItem.ItemID;
break;
case nameof(Album):
albumID = cartItem.ItemID;
break;
default:
break;
}
invoice.AddInvoiceDetail(songID, albumID, cartItem.Price);
}
await _context.AddAsync(invoice);
var page = (string)TempData["previousPage"];
if (page.Equals("checkoutFromCart", StringComparison.OrdinalIgnoreCase))
{
var cartItems = _context.Customers.Where(c => c.ID == customerID).SelectMany(c => c.Cart.CartItems);
_context.RemoveRange(cartItems);
}
else
{
HttpContext.Session.Remove(SESSION_KEY);
}
await _context.SaveChangesAsync();
return(RedirectToAction("Success", new { invoiceID = invoice.ID }));
}
catch (Exception e)
{
return(RedirectToAction("Create"));
}
}