public IQueryable<Product> GetProducts([QueryString("id")] int? categoryId) { var _db = new global::ShoppingCart.Models.ProductContext(); IQueryable<Product> query = _db.Products; if (categoryId.HasValue && categoryId > 0) { query = query.Where(p => p.CategoryID == categoryId); } return query; }
public IQueryable<Product> GetProduct([QueryString("productID")] int? productId) { var _db = new global::ShoppingCart.Models.ProductContext(); IQueryable<Product> query = _db.Products; if (productId.HasValue && productId > 0) { query = query.Where(p => p.ProductID == productId); } else { query = null; } return query; }
public void UpdateItem(string updateCartID, int updateProductID, int quantity) { using (var _db = new global::ShoppingCart.Models.ProductContext()) { try { var myItem = (from c in _db.ShoppingCartItems where c.CartId == updateCartID && c.Product.ProductID == updateProductID 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 void RemoveItem(string removeCartID, int removeProductID) { using (var _db = new global::ShoppingCart.Models.ProductContext()) { try { var myItem = (from c in _db.ShoppingCartItems where c.CartId == removeCartID && c.Product.ProductID == removeProductID select c).FirstOrDefault(); if (myItem != null) { // Remove Item. _db.ShoppingCartItems.Remove(myItem); _db.SaveChanges(); } } catch (Exception exp) { throw new Exception("ERROR: Unable to Remove Cart Item - " + exp.Message.ToString(), exp); } } }
public void UpdateShoppingCartDatabase(String cartId, ShoppingCartUpdates[] CartItemUpdates) { using (var db = new global::ShoppingCart.Models.ProductContext()) { try { int CartItemCount = CartItemUpdates.Count(); List<CartItem> myCart = GetCartItems(); foreach (var cartItem in myCart) { // Iterate through all rows within shopping cart list for (int i = 0; i < CartItemCount; i++) { if (cartItem.Product.ProductID == CartItemUpdates[i].ProductId) { if (CartItemUpdates[i].PurchaseQuantity < 1 || CartItemUpdates[i].RemoveItem == true) { RemoveItem(cartId, cartItem.ProductId); } else { UpdateItem(cartId, cartItem.ProductId, CartItemUpdates[i].PurchaseQuantity); } } } } } catch (Exception exp) { throw new Exception("ERROR: Unable to Update Cart Database - " + exp.Message.ToString(), exp); } } }
public IQueryable<Category> GetCategories() { var _db = new global::ShoppingCart.Models.ProductContext(); IQueryable<Category> query = _db.Categories; return query; }