public ActionResult Products_Destroy([DataSourceRequest] DataSourceRequest request, ProductTable productTable)
{
if (ModelState.IsValid)
{
using (var db = new _DatabseContextShop())
{
var entity = new ProductTable
{
Id = productTable.Id,
ProductName = productTable.ProductName,
Description = productTable.Description,
UnitPrice = productTable.UnitPrice,
UnitsInStock = productTable.UnitsInStock,
UnitsOnOrder = productTable.UnitsOnOrder,
Discontinued = productTable.Discontinued,
LastSupply = productTable.LastSupply
};
db.Products.Attach(entity);
db.Products.Remove(entity);
db.SaveChanges();
}
}
return(Json(new[] { productTable }.ToDataSourceResult(request, ModelState)));
}
public JsonResult QuanityChange(int type, int pId)
{
using (var db = new _DatabseContextShop())
{
ShoppingCartTable product = db.ShoppingCartDatas.FirstOrDefault(p => p.PID == pId);
if (product == null)
{
return(Json(new { d = "0" }));
}
ProductTable actualProduct = db.Products.FirstOrDefault(p => p.Id == pId);
int? quantity;
// if type 0, decrease quantity
// if type 1, increase quanity
switch (type)
{
case 0:
product.Quantity--;
actualProduct.UnitsInStock++;
break;
case 1:
product.Quantity++;
actualProduct.UnitsInStock--;
break;
case -1:
actualProduct.UnitsInStock += product.Quantity;
product.Quantity = 0;
break;
default:
return(Json(new { d = "0" }));
}
if (product.Quantity == 0)
{
db.ShoppingCartDatas.Remove(product);
quantity = 0;
}
else
{
quantity = product.Quantity;
}
db.SaveChanges();
return(Json(new { d = quantity }));
}
}
public static void Add(ProductData product, _DatabseContextShop db)
{
var entity = new ProductTable();
entity.ProductName = product.ProductName;
entity.UnitPrice = product.UnitPrice;
entity.Description = product.Description;
entity.UnitsInStock = (short)product.UnitsInStock;
entity.Discontinued = product.Discontinued;
entity.Id = product.ProductID;
entity.LastSupply = DateTime.Now;
entity.UnitsOnOrder = product.UnitsOnOrder;
db.Products.Add(entity);
db.SaveChanges();
}
