// RemoveSingleItem - Remove one quantity of toRemove from this order.
public void RemoveSingleItem(MenuItem toRemove)
{
// If there are no items, then do nothing.
if (OrderContents == null)
{
return;
}
// Create a list of all current item IDs.
string[] itemIDs = OrderContents.Split(',');
// Convert this item's ID into a string
// and see whether it is in the ID list.
string removeID = toRemove.ItemID.ToString();
if (itemIDs.Contains(removeID))
{
// If this is the only item, set the list to null.
if (itemIDs.Length == 1)
{
OrderContents = null;
}
else
{
// If this is the first ID, remove it
// and its trailing comma.
if (itemIDs[0] == removeID)
{
OrderContents =
OrderContents.Substring(removeID.Length + 1);
}
else
{
// Otherwise, remove it and the leading comma.
int startIdx = OrderContents.IndexOf(removeID);
OrderContents =
OrderContents.Substring(0, startIdx - 1)
+ OrderContents.Substring(startIdx +
removeID.Length);
}
}
// Update the price if possible.
if (toRemove.Price != null)
{
RawCost -= (int)toRemove.Price;
}
}
}
// ContentsToItemList - Return a list of the items referenced by
// the orderContents string.
public List <MenuItem> ContentsToItemList()
{
if (OrderContents == null)
{
return(null);
}
// Establish a database connection.
var db = new PickUpOrderDBEntities2();
// Create the list to be returned.
var itemObjects = new List <MenuItem>();
// Split the ID string. For each ID value,
// get the corresponding item and add it to itemObjects.
string[] itemIDs = OrderContents.Split(',');
foreach (string item in itemIDs)
{
int id = int.Parse(item);
itemObjects.Add(db.MenuItems.Find(id));
}
return(itemObjects);
}
//Used on Confirm Order Page to complete submission
public IActionResult PlaceOrder() //make async if necessary
{
string userId = _userManager.GetUserId(HttpContext.User);
//Store all order contents in seperate table
List <Cart> cartItems = context.Carts.Where(x => x.UserId.Equals(userId)).ToList();
if (cartItems.Count == 0)
{
return(RedirectToAction("Index", "Home"));
}
//Create an order based off currently available information
Order newOrder = new Order();
newOrder.UserId = userId;
newOrder.DatePlaced = DateTimeOffset.Now;
newOrder.OrderStatus = "Processing";
//put into database before generating order contents
context.Order.Add(newOrder);
context.SaveChanges();
//haveto get the generated id out
Order LastOrder = context.Order.Where(x => x.UserId.Equals(userId)).ToList().LastOrDefault();
float cartTotal = 0;
foreach (Cart c in cartItems)
{
Product currProduct = context.Products.Find(c.ProductId);
ProductInfo currProductInfo = context.ProductInfos.Find(c.ProductId);
//Create order Content
OrderContents currOrderContent = new OrderContents();
currOrderContent.OrderId = LastOrder.OrderId;
currOrderContent.ProductId = c.ProductId;
currOrderContent.Quantity = c.Quantity;
currOrderContent.PricePaid = currProductInfo.ProductPrice;
context.OrderContents.Add(currOrderContent);
context.SaveChanges();
//End Create order Content
cartTotal += currProductInfo.ProductPrice * c.Quantity;
//remove from cart table
context.Carts.Remove(c); //if it wont work then use some kinda
context.SaveChanges();
}
//set this after getting calculations
LastOrder.Total = cartTotal;
context.Entry(LastOrder).State = EntityState.Modified;
context.SaveChanges();
//return View("ViewOrders");
return(RedirectToAction("ViewOrders"));
}