public void AddToCart(Course cohort)
{
// Get the matching cart and Product instances
var cartItem = _db.Carts.SingleOrDefault(
c => c.CartId == ShoppingCartId
&& c.CourseId == cohort.Id);
if (cartItem == null)
{
// Create a new cart item if no cart item exists
cartItem = new Cart
{
CourseId = cohort.Id,
CartId = ShoppingCartId,
Count = 1,
DateCreated = DateTime.Now
};
_db.Carts.Add(cartItem);
}
else
{
// If the item does exist in the cart,
// then add one to the quantity
cartItem.Count++;
}
// Save changes
_db.SaveChanges();
}
public ActionResult ProductsList(Cart model, FormCollection form)
{
if (form.Keys.Count != 0) // if input exists
{
for (var i = 0; i < form.Keys.Count; ++i)
{
string name = form.GetKey(i);
if (name.Contains("delete"))
{
var id = name.Substring(name.IndexOf('_') + 1, name.Length - 1 - name.IndexOf('_'));
var product = _dataManager.Products.GetProductById(Convert.ToInt32(id));
GetCart().RemoveItem(product);
if (GetCart().IsEmpty)
{
ViewBag.IsAddToCart = null;
Session["Cart"] = null;
}
else
{
Session["Cart"] = GetCart();
}
break;
}
}
}
if (Session["Cart"] == null)
{
ViewBag.CartIsEmpty = true;
return View("ProductsList", null);
}
return View("ProductsList", new CartViewModel
{
Cart = GetCart()
});
}
private Cart GetCart()
{
var cart = (Cart)Session["Cart"];
if (cart == null)
{
cart = new Cart();
Session["Cart"] = cart;
}
return cart;
}
private bool OrderService(Cart cart, CartViewModel resultModel)
{
var time = DateTime.Now;
foreach (var item in cart.Lines)
{
var product = _dataManager.Products.GetProductById(item.Product.Id);
var productsCustomers = _dataManager.ProductsCustomers.GetProductsCustomersByProductId(item.Product.Id);
if (product == null || productsCustomers == null)
return false;
int newCount, purchaseCount;
if (item.Quantity < productsCustomers.Count)
{
newCount = productsCustomers.Count - item.Quantity;
purchaseCount = item.Quantity;
}
else
{
newCount = 0;
purchaseCount = productsCustomers.Count;
}
if (!_dataManager.Orders.AddNewOrder((int) Session["UserId"],
item.Product.Id, time, purchaseCount))
continue;
if (!_dataManager.ProductsCustomers.UpdateProdCastRelation(item.Product.Id, newCount))
_dataManager.Orders.DeleteOrder((int) Session["UserId"],
(int) Session["CurrentProductId"], time);
if (newCount == 0)
{
product.IsAvailable = false;
_dataManager.Products.UpdateProduct(product);
}
resultModel.Cart.AddItem(item.Product, item.Quantity);
}
return true;
}
