private ProductAddToOrderViewModel ValidateCartItem(string Username, int productId, int quantity = 1)
{
var responseModel = new ProductAddToOrderViewModel();
var customer = this.GetCustomer(Username);
var product = this.GetProduct(productId);
if (product == null)
{
responseModel.Message = "product Invalid";
responseModel.Succeed = false;
return(responseModel);
}
if (product.Quantity <= quantity)
{
responseModel.Message = "Product is not available";
responseModel.Succeed = false;
return(responseModel);
}
responseModel.Message = "item is Valid";
responseModel.Succeed = true;
return(responseModel);
}
//add product to cart with quantity it check if exist increase the quantity
public ProductAddToOrderViewModel addToCart(string userName, int productId, int quantity = 1)
{
var customer = this.GetCustomer(userName);
ProductAddToOrderViewModel respons = new ProductAddToOrderViewModel();
var product = this.GetProduct(productId);
if (customer == null)
{
respons.Message = "Customer is wrong";
respons.Succeed = false;
return(respons);
}
if (product == null)
{
respons.Message = "Product is wrong";
respons.Succeed = false;
return(respons);
}
var cart = new CartItem()
{
Product = product,
AddedTime = DateTime.Now,
Customer = customer,
Quantity = quantity,
};
if (!db.CartItems.Any(c => c.Customer.Id == customer.Id && c.Product.Id == product.Id && !c.RemoveDate.HasValue && !c.DeletedDate.HasValue))
{
db.CartItems.Add(cart);
}
else
{
db.CartItems.Where(c => c.Customer.Id == customer.Id && c.Product.Id == product.Id && !c.RemoveDate.HasValue && !c.DeletedDate.HasValue)
.FirstOrDefault().Quantity += quantity;
}
db.SaveChanges();
respons.Message = "Product added to cart";
respons.Succeed = true;
return(respons);
}
//add cart item to temp cart for un authorize users
public ProductAddToOrderViewModel addToTempCart(string tempCartId, int productId, int quantity = 1)
{
ProductAddToOrderViewModel respons = new ProductAddToOrderViewModel();
var product = this.GetProduct(productId);
if (tempCartId == null)
{
respons.Message = "id is wrong";
respons.Succeed = false;
return(respons);
}
if (product == null)
{
respons.Message = "Product is wrong";
respons.Succeed = false;
return(respons);
}
var cart = new TempCartItem()
{
Product = product,
AddedTime = DateTime.Now,
TempCartId = tempCartId,
Quantity = quantity,
};
if (!db.TempCartItems.Any(c => c.TempCartId == tempCartId && c.Product.Id == product.Id && !c.DeletedDate.HasValue))
{
db.TempCartItems.Add(cart);
}
else
{
db.TempCartItems.Where(c => c.TempCartId == tempCartId && c.Product.Id == product.Id && !c.DeletedDate.HasValue)
.FirstOrDefault().Quantity += quantity;
}
db.SaveChanges();
respons.Message = "Product added to Tempcart";
respons.Succeed = true;
return(respons);
}
//add all cart item to order and set delete from cart it use when user submit the order
public int AddProductToCart(string UserName)
{
Customer customer = GetCustomer(UserName);
if (customer == null)
{
return(0);
}
List <CartItem> cartItems = GetCartList(customer.UserName);
List <ProductAddToOrderViewModel> respose = new List <ProductAddToOrderViewModel>();
foreach (CartItem item in cartItems)
{
ProductAddToOrderViewModel res = AddCartToOrder(item.Customer.UserName, item.Product.Id, item.Quantity);
db.CartItems.Where(x => x.Id == item.Id).SingleOrDefault().RemoveDate = DateTime.Now;
respose.Add(res);
}
db.SaveChanges();
return(respose.Count(x => x.Succeed));
}
//add cart to order and delete from cart (mark as delete) or increase the quentity if exist
public ProductAddToOrderViewModel AddCartToOrder(string Username, int productId, int quantity = 1)
{
var responseModel = new ProductAddToOrderViewModel();
var customer = this.GetCustomer(Username);
var product = this.GetProduct(productId);
Order order;
if (customer == null)
{
responseModel.Message = "Customer is wrong";
responseModel.Succeed = false;
return(responseModel);
}
if (product == null)
{
responseModel.Message = "Product is wrong";
responseModel.Succeed = false;
return(responseModel);
}
if (product.Quantity <= quantity)
{
responseModel.Message = "Product is not available";
responseModel.Succeed = false;
return(responseModel);
}
order = GetOrder(Username);
if (order == null)
{
order = new Order()
{
OrderDate = DateTime.Now,
Customer = customer,
};
db.Orders.Add(order);
}
var orderDetail = new OrderDetail()
{
Order = order,
Product = product,
UnitPriceBuy = product.Price,
Tax = 0,
Discount = 0,
Quantity = quantity,
CreationDate = DateTime.Now
};
if (db.OrderDetails.Any(x => x.Order.Id == order.Id && x.Product.Id == product.Id))
{
int deletedQuantity = db.OrderDetails.Where(x => x.Order.Id == order.Id && x.Product.Id == product.Id && !x.DeleteDate.HasValue).FirstOrDefault().Quantity;
db.OrderDetails.Where(x => x.Order.Id == order.Id && x.Product.Id == product.Id && !x.DeleteDate.HasValue).FirstOrDefault().DeleteDate = DateTime.Now;
db.Products.Where(x => x.Id == product.Id).FirstOrDefault().Quantity += deletedQuantity;
}
db.OrderDetails.Add(orderDetail);
db.Products.Where(x => x.Id == product.Id).FirstOrDefault().Quantity -= quantity;
order.AmountBuy += orderDetail.UnitPriceBuy * orderDetail.Quantity;
db.SaveChanges();
responseModel.Message = "Product added to order";
responseModel.Succeed = true;
return(responseModel);
}