public async Task <bool> CreateAsync(ShoppingCartCreateDto dto)
{
var book = repository.context.Books.Find(dto.BookId);
if (book.QuantityInStock < dto.Quantity)
{
return(false);
}
var cart = await GetExistingOrCreateNewCart(dto.AccountId);
cart.AddItem(book.Id, book, unitPrice: book.Price, quantity: dto.Quantity);
repository.context.ShoppingCarts.Update(cart);
var result = await repository.context.SaveChangesAsync() > 0;
return(result);
}
public async Task <ActionResult <bool> > Create(ShoppingCartCreateDto ShoppingCartCreateDto)
{
try
{
var result = await service.CreateAsync(ShoppingCartCreateDto);
if (result == false)
{
return(BadRequest("Out of quantity in stock"));
}
return(result);
}
catch (Exception error)
{
return(Conflict(error.Message));
}
}
public async Task <IActionResult> CreateShoppingCartItems([FromBody] ShoppingCartCreateDto touristRoute)
{
//1. 先获取用户登录ID信息
var userId = httpContextAccessor.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier).Value;
//2.(判断用户是否存,这个jwt框架帮你做过了) 获取用户购物车
var shoppingCart = await repository.GetShoopingCartByUserIdAsync(userId);
if (shoppingCart == null)
{
return(NotFound($"用户{userId}的购物车不存在"));
}
//3.获取旅游路线信息
var tourist = await repository.GetTouristRoutAsync(touristRoute.TouristRouteID);
if (tourist == null)
{
return(NotFound($"旅游线路{touristRoute.TouristRouteID}不存在"));
}
CartLineItem lineItems = new CartLineItem()
{
OriginalPrice = tourist.OriginalPrice,
DiscountPresent = tourist.DiscountPresent,
ShoppingCartId = shoppingCart.Id,
TouristID = tourist.ID,
TouristRout = tourist,
};
//5. 异步调用上下文添加
await repository.AddCartLineItemAsync(lineItems);
//6.保存
await repository.SaveAsync();
//7. 返回
return(Ok(mapper.Map <ShoppingCartDto>(shoppingCart)));
}