public async Task <IEnumerable <CartItemForListDTO> > GetByUserId(Guid userId)
{
var items = await _cartItemRepo.GetByUserId(userId);
var result = _mapper.Map <IEnumerable <CartItemForListDTO> >(items);
if (result.Count() > 0)
{
return(result);
}
return(null);
}
public async Task <CreateResult> CreateOrder(OrderForCreateDTO order)
{
var createResult = new CreateResult()
{
Result = false,
ResultMessage = ""
};
//Cart have no item to order
if (!_cartRepo.IsCartItemExist(order.UserId))
{
createResult.ResultMessage = "You have no items in cart!";
return(createResult);
}
Cart cart = _cartRepo.GetCartByUserId(order.UserId);
User user = _userService.GetById(order.UserId);
//Insert new order
Order newOrder = new Order()
{
UserId = order.UserId,
TotalPrice = cart.TotalPrice,
ShippingFee = order.ShippingFee,
DeliveryDate = order.DeliveryDate,
DeliveryOption = order.DeliveryOption,
PaymentMethod = order.PaymentMethod,
Status = OrderStatus.Recorded,
User = user
};
var orderInsertResult = await _orderRepo.CreateOrder(newOrder);
if (!orderInsertResult)
{
createResult.ResultMessage = "Insert new order failed!";
return(createResult);
}
IEnumerable <CartItem> cartItems = await _cartItemRepo.GetByUserId(order.UserId);
foreach (CartItem cartItem in cartItems)
{
//Insert order item
OrderItem orderItem = new OrderItem()
{
BookId = cartItem.BookId,
Quantity = cartItem.Quantity,
OrderId = newOrder.Id,
};
var orderItemInsertResult = await _orderItemRepo.CreateOrderItem(orderItem);
if (!orderItemInsertResult)
{
createResult.ResultMessage = "Add order item failed!";
return(createResult);
}
//Update book quantity
var book = _bookRepo.GetBookById(cartItem.BookId);
//Check quantity of book
if (book.Quantity < cartItem.Quantity)
{
createResult.ResultMessage = "Book's quantity is not enough!";
return(createResult);
}
book.Quantity -= cartItem.Quantity;
var updateBookResult = await _bookRepo.UpdateBook(book, cartItem.BookId);
if (!updateBookResult)
{
createResult.ResultMessage = "Update book quantity failed!";
return(createResult);
}
}
//Send email to user
var mailContent = new EmailContent()
{
ToEmail = user.Email,
ToName = user.Name,
Message = "",
Subject = "Invoid for order"
};
await _emailService.SendEmailAsync(mailContent, newOrder);
//Clear all cart item after create order
var clearCartItemResult = _cartItemRepo.ClearAllCartItem(order.UserId);
if (!clearCartItemResult)
{
createResult.ResultMessage = "Clear cart item failed!";
return(createResult);
}
createResult.Result = true;
createResult.ResultMessage = "Create new order successfull!";
createResult.NewOrderId = newOrder.Id;
return(createResult);
}