public void UpdateShoppingCartDatabase(String cartId, ShoppingCartUpdates[] CartItemUpdates)
{
using (var db = new Shopping_Cart.Models.ProductContext())
{
try
{
int CartItemCount = CartItemUpdates.Count();
List <CartItem> myCart = GetCartItems();
foreach (var cartItem in myCart)
{
for (int i = 0; i < CartItemCount; i++)
{
if (cartItem.Product.ProductId == CartItemUpdates[i].ProductId)
{
if (CartItemUpdates[i].PurchaseQuantity < 1 ||
CartItemUpdates[i].RemoveItem == true)
{
RemoveItem(cartId, cartItem.ProductId);
}
else
{
UpdateItem(cartId, cartItem.ProductId, CartItemUpdates[i].PurchaseQuantity);
}
}
}
}
}
catch (Exception exp)
{
throw new Exception("ERRO: Unable to Update Cart Database -" +
exp.Message.ToString(), exp);
}
}
}
public void UpdateItem(string updateCartID, int updateProductID, int quantity)
{
using (var _db = new Shopping_Cart.Models.ProductContext())
{
try
{
var myItem = (from c in _db.ShoppingCartItems where c.CartId ==
updateCartID && c.Product.ProductID == updateProductID select
c).FirstOrDefault();
if (myItem != null)
{
myItem.Quantity = quantity;
_db.SaveChanges();
}
}
catch (Exception exp)
{
throw new Exception("Erro: unable to Update Cart Item-" +
exp.Message.ToString(), exp);
}
}
}
public void RemoveItem(string removeCartID, int removeProductID)
{
using (var _db = new Shopping_Cart.Models.ProductContext())
{
try
{
var myItem = (from c in _db.ShoppingCartItems where c.CartId ==
removeCartID && c.Product.ProductId == removeCartID select
c).FirstOrDefault();
if (myItem != null)
{
_db.ShoppingCartItems.Remove(myItem);
_db.SaveChanges();
}
}
catch (Exception exp)
{
throw new Exception("Error: Unable to Remove Cart Item -" +
exp.Message.ToString(), exp);
}
}
}