/// <summary>
/// 添加购物车
/// </summary>
/// <returns></returns>
public async Task <IActionResult> OnPostAsync(int id)
{
if (!_loginedService.isLogined().Result)
{
return(RedirectToPage("/SignOn/SignOn"));
}
else
{
ViewModel.Book = await _context
.Book
.FirstOrDefaultAsync(m => m.BookId == id);
ViewModel.Similar = await _context
.Book
.Take(2).ToListAsync();
if (ModelState.IsValid)
{
if (ViewModel.Book.Quantity < ViewModel.OrderQuantity)
{
return(Content("<script >alert('剩余库存不足，请调整购物量');</script >", "text/html"));
}
order = _orderService.GetById(_userService.GetAll().Result.Find(x => x.UserName == _loginedService.GetUserName().Result).UserId).Result.FirstOrDefault();
if (order == null)
{
order = new Order()
{
UserId = await _userService.GetId(_loginedService.GetUserName().Result)
};
await _orderService.Add(order);
}
if (_purchaseService.FindByBookid(order.OrderNo, id).Result)
{
await _purchaseService.AddBook(order.OrderNo, id, ViewModel.OrderQuantity);
return(RedirectToPage("/ShoppingCart/ShoppingCart"));
}
purchase = new Purchase()
{
BookId = id,
OrderNo = order.OrderNo,
PurQuan = ViewModel.OrderQuantity,
PurPrice = ViewModel.Book.UnitPrice,
PurStatus = 0
};
await _purchaseService.Add(order.OrderNo, purchase);
return(RedirectToPage("/ShoppingCart/ShoppingCart"));
}
}
//Something went wrong
return(Page());
}