public void Delete(int orderId)
{
Order order = _context.Orders.Include(o => o.OrderDetails).FirstOrDefault(o => o.Id == orderId);
if (order != null)
{
_context.Entry(order).State = EntityState.Deleted;
_context.SaveChanges();
}
}
public string Add(CartItemDto dto)
{
if (dto.Quantity <= 0)
{
dto.Quantity = 1;
}
var product = _context.Products.FirstOrDefault(p => p.Id == dto.ProductId);
if (product == null)
{
throw new KeyNotFoundException($"The product with ID={dto.ProductId} was not found.");
}
CartItem cartItem = null;
Guid x;
if (!Guid.TryParse(dto.CartId, out x))
{
dto.CartId = Guid.NewGuid().ToString();
}
else
{
cartItem = _context.CartItems.FirstOrDefault(c => c.CartId == dto.CartId && c.ProductId == dto.ProductId);
}
if (cartItem == null)
{ // create new
cartItem = new CartItem
{
Id = Guid.NewGuid().ToString(),
CartId = dto.CartId,
ProductId = dto.ProductId,
Quantity = dto.Quantity,
Created = DateTime.Now
};
_context.CartItems.Add(cartItem);
_context.SaveChanges();
}
else
{
cartItem.Quantity = dto.Quantity;
_context.Entry(cartItem).Property("Quantity").IsModified = true;
_context.SaveChanges();
}
return(cartItem.CartId);
}
