//---------------Add Product to Shopping Cart------------//
public void AddItem(string cartID, int productID, int quantity)
{
using (COMMERCEEntities db = new COMMERCEEntities())
{
try
{
var myItem = (from c in db.ShoppingCarts where c.CartID == cartID && c.ProductID == productID select c).FirstOrDefault();
if (myItem == null)
{
ShoppingCart cartadd = new ShoppingCart();
cartadd.CartID = cartID;
cartadd.Quantity = quantity;
cartadd.ProductID = productID;
cartadd.DateCreated = DateTime.Now;
db.ShoppingCarts.AddObject(cartadd);
}
else
{
myItem.Quantity += quantity;
}
db.SaveChanges();
}
catch (Exception exp)
{
throw new Exception ("Error: Unable to Add Item to Cart -" + exp.Message.ToString(), exp);
}
}
}
public decimal GetTotal(string cartID)
{
using (COMMERCEEntities db = new COMMERCEEntities())
{
decimal cartTotal = 0;
try
{
var myCart = (from c in db.ViewCarts where c.CartID == cartID select c);
if (myCart.Count() > 0)
{
cartTotal = myCart.Sum(od => (decimal)od.Quantity * (decimal)od.UnitCost);
}
}
catch (Exception exp)
{
throw new Exception("ERROR: Unable to Calculate Order Total - " + exp.Message.ToString(), exp);
}
return (cartTotal);
}
}
//------------------------------------------------------------------------------------------------------------------------------------------+
public void MigrateCart(String oldCartId, String UserName)
{
using (COMMERCEEntities db = new COMMERCEEntities())
{
try
{
var myShoppingCart = from cart in db.ShoppingCarts
where cart.CartID == oldCartId
select cart;
foreach (ShoppingCart item in myShoppingCart)
{
item.CartID = UserName;
}
db.SaveChanges();
HttpContext.Current.Session[CartId] = UserName;
}
catch (Exception exp)
{
throw new Exception("ERROR: Unable to Migrate Shopping Cart - " + exp.Message.ToString(), exp);
}
}
}
//------------------------------------------------------------------------------------------------------------------------------------------+
public void UpdateShoppingCartDatabase(String cartId, ShoppingCartUpdates[] CartItemUpdates)
{
using (COMMERCEEntities db = new COMMERCEEntities())
{
try
{
int CartItemCOunt = CartItemUpdates.Count();
var myCart = (from c in db.ViewCarts where c.CartID == cartId select c);
foreach (var cartItem in myCart)
{
// Iterate through all rows within shopping cart list
for (int i = 0; i < CartItemCOunt; i++)
{
if (cartItem.ProductID == CartItemUpdates[i].ProductId)
{
if (CartItemUpdates[i].PurchaseQantity < 1 || CartItemUpdates[i].RemoveItem == true)
{
RemoveItem(cartId, cartItem.ProductID);
}
else
{
UpdateItem(cartId, cartItem.ProductID, CartItemUpdates[i].PurchaseQantity);
}
}
}
}
}
catch (Exception exp)
{
throw new Exception("ERROR: Unable to Update Cart Database - " + exp.Message.ToString(), exp);
}
}
}
//------------------------------------------------------------------------------------------------------------------------------------------+
public void UpdateItem(string cartID, int productID, int quantity)
{
using (COMMERCEEntities db = new COMMERCEEntities())
{
try
{
var myItem = (from c in db.ShoppingCarts where c.CartID == cartID && c.ProductID == productID select c).FirstOrDefault();
if (myItem != null)
{
myItem.Quantity = quantity;
db.SaveChanges();
}
}
catch (Exception exp)
{
throw new Exception("ERROR: Unable to Update Cart Item - " + exp.Message.ToString(), exp);
}
}
}
public bool SubmitOrder(string UserName)
{
using (COMMERCEEntities db = new COMMERCEEntities())
{
try
{
//------------------------------------------------------------------------+
// Add New Order Record |
//------------------------------------------------------------------------+
Order newOrder = new Order();
newOrder.CustomerName = UserName;
newOrder.OrderDate = DateTime.Now;
newOrder.ShipDate = CalculateShipDate();
db.Orders.AddObject(newOrder);
db.SaveChanges();
//------------------------------------------------------------------------+
// Create a new OderDetail Record for each item in the Shopping Cart |
//------------------------------------------------------------------------+
String cartId = GetShoppingCartId();
var myCart = (from c in db.ViewCarts where c.CartID == cartId select c);
foreach (ViewCart item in myCart)
{
int i = 0;
if (i < 1)
{
OrderDetail od = new OrderDetail();
od.OrderID = newOrder.OrderID;
od.ProductID = item.ProductID;
od.Quantity = item.Quantity;
od.UnitCost = item.UnitCost;
db.OrderDetails.AddObject(od);
i++;
}
var myItem = (from c in db.ShoppingCarts where c.CartID == item.CartID && c.ProductID == item.ProductID select c).FirstOrDefault();
if (myItem != null)
{
db.DeleteObject(myItem);
}
}
db.SaveChanges();
}
catch (Exception exp)
{
throw new Exception("ERROR: Unable to Submit Order - " + exp.Message.ToString(), exp);
}
}
return (true);
}
