public void Create(T entity)
{
context.Entry(entity).State = EntityState.Added;
}
/// <summary>
/// 建立訂單
/// </summary>
/// <param name="httpcontext"></param>
/// <param name="order"></param>
/// <param name="ecpayNumber"></param>
/// <returns></returns>
public OperationResult CreateOrder(HttpContextBase httpcontext, OrderViewModel order, string ecpayNumber)
{
OperationResult operationResult = new OperationResult();
var dbContext = new XbooxLibraryDBContext();
using (var transaction = dbContext.Database.BeginTransaction())
{
try
{
var orderRepo = new GeneralRepository <Order>(dbContext);
var orderDetailRepo = new GeneralRepository <OrderDetails>(dbContext);
var cartRepo = new GeneralRepository <Cart>(dbContext);
var cartItemRepo = new GeneralRepository <CartItems>(dbContext);
var productRepo = new GeneralRepository <Product>(dbContext);
var couponRepo = new GeneralRepository <Coupons>(dbContext);
Guid newOrderID = Guid.NewGuid();
var userId = httpcontext.User.Identity.GetUserId();
// 建立一筆新訂單
Order newOrder = new Order()
{
OrderId = newOrderID,
EcpayOrderNumber = ecpayNumber,
UserId = userId,
OrderDate = DateTime.UtcNow,
PurchaserName = order.PurchaserName,
City = order.City,
District = order.District,
Road = order.Road,
PurchaserEmail = order.PurchaserEmail,
PurchaserPhone = order.PurchaserPhone,
Paid = false,
Payment = order.Payment,
Build = true,
Remember = order.Remember
};
orderRepo.Create(newOrder);
orderRepo.SaveContext();
// 先拿會員CartItems 裡資料
var cartItems = cartItemRepo.GetAll().Where(item => item.CartId.ToString() == userId).ToList();
var cart = cartRepo.GetFirst(item => item.CartId.ToString() == userId);
var Coupon = couponRepo.GetFirst(item => item.CouponCode == order.Discount);
foreach (var item in cartItems)
{
var products = productRepo.GetAll().Where(pd => pd.ProductId == item.ProductId);
foreach (var p in products)
{
if (p.UnitInStock >= item.Quantity)
{
p.UnitInStock = p.UnitInStock - item.Quantity;
OrderDetails orderDetails = new OrderDetails()
{
OrderId = newOrderID,
ProductId = p.ProductId,
Quantity = item.Quantity,
};
if (Coupon != null)
{
orderDetails.Discount = Coupon.Id;
}
orderDetailRepo.Create(orderDetails);
item.Quantity = 0;
Debug.WriteLine(dbContext.Entry(p).State);
}
else
{
break;
}
}
cartItemRepo.Delete(item);
}
cartRepo.Delete(cart);
orderRepo.SaveContext();
operationResult.isSuccessful = true;
transaction.Commit();
}
catch (Exception ex)
{
operationResult.isSuccessful = false;
operationResult.exception = ex;
transaction.Rollback();
}
return(operationResult);
}
}