public IActionResult Add(ProductAdd productViewModel)
{
if (ModelState.IsValid)
{
_dbContext.Products.Add(productViewModel.Product);
_dbContext.SaveChanges();
return(RedirectToAction("Index", "UserProfile"));
}
return(View(productViewModel));
}
public IActionResult PrivateConfirmed(OrderSummary orderSummary)
{
//Transaction - if any DB update will go wrong performs rollback
using (var transaction = _dbContext.Database.BeginTransaction())
{
try
{
//Locks Products table - other users need to wait
_dbContext.Database.ExecuteSqlCommand("SELECT TOP 0 NULL FROM Products WITH (TABLOCKX)");
if (!CheckCart())
{
return(RedirectToAction("Index", "Cart"));
}
var order = orderSummary.Order;
var myCart = orderSummary.OrderDetailsSummaryList;
//Create separate order and separate order details for each seller
var sellers = myCart.GroupBy(x => x.SellerId).Select(y => y.First().SellerName);
foreach (var seller in sellers)
{
//Clone order
var tmpOrder = new Order()
{
OrderId = order.OrderId,
Date = order.Date,
State = order.State,
Name = order.Name,
Surname = order.Surname,
Address = order.Address,
PostCode = order.PostCode,
City = order.City,
BuyerId = order.BuyerId,
SellerId = _dbContext.Users.SingleOrDefault(x => x.UserName == seller).Id
};
//Push tmpOrder to database
_dbContext.Orders.Add(tmpOrder);
_dbContext.SaveChanges();
//Get tmpOrder Order table Id
var newId = tmpOrder.OrderId;
//Map myCart to OrderDetails list. One per each seller
var cartBySeller = myCart.Where(x => x.SellerName == seller);
var tmp = new List <OrderDetail>();
foreach (var item in cartBySeller)
{
var pr = _dbContext.Products.SingleOrDefault(x => x.ProductId == item.ProductId);
pr.Quantity -= item.Quantity;
var newLine = new OrderDetail()
{
OrderDetailId = 0,
OrderId = newId,
Price = item.Price,
ProductId = item.ProductId,
Quantity = item.Quantity
};
tmp.Add(newLine);
}
//Update OrderDetails table
_dbContext.OrderDetails.AddRange(tmp);
_dbContext.SaveChanges();
//Send out emails
var userSeller = _dbContext.Users.SingleOrDefault(z => z.UserName == seller);
var userBuyer = _dbContext.Users.SingleOrDefault(x => x.Id == GetUserId());
var mailing = new Mail(userBuyer, userSeller, tmpOrder, OrderStateEnum.Active, Configuration, cartBySeller, null);
mailing.SendEmail();
}
//Clear Cart Session
Cart cart = GetCart();
cart.Clear();
SaveCart(cart);
transaction.Commit();
}
catch (Exception)
{
transaction.Rollback();
return(RedirectToAction("Index", "Home"));
}
}
return(RedirectToAction("Index", "UserProfile"));
}
