public ShoppingCart ChangeQuantity(ShoppingCartUpdateDto dto)
{
var cart = repository.context.ShoppingCarts
.Include(x => x.Items)
.ThenInclude(y => y.Book)
.FirstOrDefault(x => x.Id == dto.cartId);
var quantityInStock = cart.Items.Where(x => x.Id == dto.cartItemId).FirstOrDefault().Book.QuantityInStock;
if (quantityInStock < dto.quantity)
{
return(null);
}
cart.UpdateItem(dto.cartItemId, dto.quantity);
repository.context.SaveChanges();
return(cart);
}
public ActionResult <ShoppingCart> Update([FromBody] ShoppingCartUpdateDto ShoppingCartUpdateDto)
{
try
{
var cart = service.ChangeQuantity(ShoppingCartUpdateDto);
if (cart == null)
{
return(BadRequest("Out of quantity in stock"));
}
return(cart);
}
catch (Exception error)
{
return(Conflict(error.Message));
}
}
