public async Task UpdateCartProductAsync(CartProductsViewModel model)
{
var totalPrice = 0m;
var currentProduct = await this.cartProductRepository
.AllAsNoTracking()
.Where(x => x.Id == model.Id)
.FirstOrDefaultAsync();
currentProduct.Quantity = model.Quantity;
currentProduct.SubTotalPrice = model.Price * currentProduct.Quantity;
this.cartProductRepository.Update(currentProduct);
await this.cartProductRepository.SaveChangesAsync();
var currentCart = await this.cartRepository
.All()
.Where(x => x.Id == currentProduct.CartId)
.Include(c => c.CartProducts)
.FirstOrDefaultAsync();
foreach (var product in currentCart.CartProducts)
{
totalPrice += product.SubTotalPrice;
}
currentCart.TotalPrice = totalPrice;
this.cartRepository.Update(currentCart);
await this.cartRepository.SaveChangesAsync();
}
public ActionResult CartProducts(string productIDs)
{
CartProductsViewModel model = new CartProductsViewModel();
if (!string.IsNullOrEmpty(productIDs))
{
model.ProductIDs = productIDs.Split('-').Select(x => int.Parse(x)).Where(x => x > 0).ToList();
if (model.ProductIDs.Count > 0)
{
model.Products = ProductsService.Instance.GetProductsByIDs(model.ProductIDs.Distinct().ToList());
}
}
return(PartialView("_CartProducts", model));
}
public async Task <IActionResult> UpdateCartProduct([FromBody] CartProductsViewModel currentProduct)
{
await this.cartService.UpdateCartProductAsync(currentProduct);
return(this.Json(currentProduct));
}
public IActionResult Index(int Id)
{
var allProducts = _product.GetProducts();
var singleProduct = _product.GetProductById(Id);
var model = new IndexViewModel();
if (singleProduct != null)
{
// add new product to cart
var productToCart = new Cart
{
ProdId = singleProduct.ProdId,
ProdName = singleProduct.ProductName,
UnitPrice = singleProduct.Price,
AddedBy = 1,
};
//**********reduce the card item quantity*************//
if ((singleProduct.Quantity - 1) >= 0)
{
singleProduct.Quantity -= 1;
_product.UpdateProduct(singleProduct);
_cart.AddToCart(productToCart);
}
//******************************************************//
// get items added by current user
var result = _cart.GetItemsAddedByUser(1);
// group items by product and get the quantity and total price
var quantity = from r in result group r by r.ProdId into newGroup
select new { Id = newGroup.Key, qty = newGroup.Count(),
total = newGroup.Sum(x => x.UnitPrice), };
var list = new List <CartProductsViewModel>();
// construct each object with total quantity and total price
foreach (var item in quantity)
{
var cartModel = new CartProductsViewModel
{
Id = model.CartProducts.Count() + 1,
ProductId = item.Id,
ProductName = _product.GetProductById(item.Id).ProductName,
Quantity = item.qty,
UnitPrice = _product.GetProductById(item.Id).Price,
Price = item.total
};
list.Add(cartModel);
}
// add to view model
model.CardProducts = allProducts;
model.CartProducts = list;
model.GrandTotal = quantity.Sum(x => x.total);
return(View(model));
}
model.CardProducts = allProducts;
model.CartProducts = null;
model.GrandTotal = 0;
return(View(model));
}
