コード例 #1
0
        //UPDATE
        public void UpdateOrder(OrderDetails ord)
        {
            LineItemManager linemgr = new LineItemManager();

            using (var context = DbContextFactory.Create())   //no 'NEW' b/c of static class
            {
                try
                {
                    //Locate order
                    var query = context.OrderDetails.FirstOrDefault(a => a.Id == ord.Id);

                    Console.WriteLine(query.Id);

                    //Update values

                    //If Id matches...
                    if (query.Id == ord.Id)
                    {
                        Console.WriteLine("Query id matches passed value...");

                        query.OrderStatus = ord.OrderStatus;
                        query.Shipmethod.Id = ord.Shipmethod.Id;

                        //Then Save changes to order
                        context.Entry(query).State = EntityState.Modified;
                        context.SaveChanges();

                        if (ord.Lineitems != null)
                        {
                            Console.WriteLine("UPDATED ORDER HAS LINES ");

                            //Update each line item
                            foreach (LineItem l in ord.Lineitems)
                            {
                                //if new line item, create it -- will contain order ID
                                if (l.Id == 0)
                                {
                                    linemgr.CreateLineItem(l);
                                }

                                else
                                {
                                    //Update
                                    linemgr.UpdateLineItem(l);
                                }

                            }// end foreach ql @ line (in query)
                        }

                        Console.WriteLine($"Order ID# {ord.Id} updated successfully.");

                    }//end id match
                }
                catch (Exception)
                {
                    Console.WriteLine("\t** Unable to update Order.");
                }
            }

        }//end update
コード例 #2
0
        }//end update

        //CREATE
        //This should take CUSTOMER ID, SHIPPING DETAILS, ARRAY OF LINE ITEMS & CREATE ORDER
        public OrderDetails CreateOrder(NewOrderDetails orderdetails)
        {
            LineItemManager linemgr = new LineItemManager();

            using (var context = DbContextFactory.Create())   //no 'NEW' b/c of static class
            {
                var cust = context.Customer.Include(a => a.Addresses).FirstOrDefault(c => c.Id == orderdetails.CustomerId);

                var shipmethod = context.ShippingMethod.FirstOrDefault(s => s.Id == orderdetails.ShippingMethodId);

                var status = context.OrderDetails.FirstOrDefault(s => Convert.ToInt32(s.OrderStatus) == orderdetails.Status);

                var product = context.Product;

                var lines = new List<LineItem>();

                foreach(NewLine l in orderdetails.LineItems)
                {
                    var prod = product.FirstOrDefault(t => t.Id == l.ProductId);

                    LineItem newLine = new LineItem
                    {
                        Id = 0,
                        ProductDetails = prod,
                        Quantity = l.Quantity,
                        OrderDetails = null
                    };

                    lines.Add(newLine);
                }

                OrderDetails newOrder = new OrderDetails {
                    CustomerDetails = cust,
                    Shipmethod = shipmethod,
                    Lineitems = lines,
                    OrderStatus = status.OrderStatus,
                    OrderDate = orderdetails.OrderDate
                };

                try
                {
                    //Add order
                    context.OrderDetails.Add(newOrder);
                    context.SaveChanges();

                    Console.WriteLine($"Order {newOrder.Id} added....");

                    return newOrder;

                }
                catch (Exception)
                {
                    Console.WriteLine("Unable to add order....");
                    return null;
                }
            }
        }