// AddItemToCart(string, MenuItemView) => async void
// Associates a given item with an order id and sets it in the database
// PRODUCTION: This should be called from an AJAX POST/GET script.
public async Task AddItemToCart(string orderId, MenuItemView item)//string optionId, Sauce sauce, string itemId, int quantity)
{
if (orderId != null && orderId != "" && item != null)
{
// see if there is already a menuitem with that comb
OrderItems existingItem = await this.database.OrderItems.Where(x => x.OrderId == orderId && x.MenuItemId == item.Id && x.OptionId == item.OptionSelected).FirstOrDefaultAsync();
// Entry point: Item does exist already in the cart
if (existingItem != null)
{
// just in case - this shouldn't be possible since there is javascript verification and currently this is AJAX only.
// However, this is here in case we have users who don't use JS or somehow validation doesn't catch it properly
if (item.Quantity < 0)
{
existingItem.Quantity = 0;
existingItem.Removed = true;
}
else
{
// we just update the changes
existingItem.Quantity = item.Quantity;
existingItem.Removed = false;
existingItem.OptionId = item.OptionSelected;
existingItem.IsHalfOrder = item.IsHalfOrder;
existingItem.Sauce = item.Sauce;
existingItem.SpiceLevel = item.SpiceLevel;
existingItem.Created = DateTime.Now;
}
if (this.database.Entry(existingItem).State == EntityState.Detached)
{
this.database.OrderItems.Attach(existingItem);
}
this.database.Entry(existingItem).State = EntityState.Modified;
} // end item exists and entry item doesn't exist
else
{
// we create the new item
existingItem = new OrderItems() { MenuItemId = item.Id, OrderId = orderId, Quantity = item.Quantity, IsHalfOrder = item.IsHalfOrder, OptionId = item.OptionSelected, SpiceLevel = item.SpiceLevel, Created = DateTime.Now };
this.database.OrderItems.Add(existingItem);
}
}
await this.database.SaveChangesAsync();
}
// UpdateItem(string, MenuItemView) => void
// Takes an item and updates the parameters of it
// PRODUCTION: This is called via AJAX
public async Task UpdateItem(string orderItemId, string orderId, MenuItemView item)
{
// only execute if not null
if (item != null)
{
var dbItem = await this.database.OrderItems.Where(x => x.Id == orderItemId).FirstOrDefaultAsync();
// if it doesn't exist already, we just add it
if (dbItem == null)
{
await AddItemToCart(orderId, item);
}
else if (dbItem.MenuItemId != item.Id)
{
await RemoveItemFromCart(orderId, dbItem.Id, dbItem.OptionId);
await AddItemToCart(orderId, item);
}
else
{
dbItem.Created = DateTime.Now;
dbItem.IsHalfOrder = item.IsHalfOrder;
dbItem.OptionId = item.OptionSelected;
dbItem.Quantity = item.Quantity;
dbItem.Sauce = item.Sauce;
dbItem.SpiceLevel = item.SpiceLevel;
if (this.database.Entry(dbItem).State == EntityState.Detached)
{
this.database.OrderItems.Attach(dbItem);
}
this.database.Entry(dbItem).State = EntityState.Modified;
}
}
}
public async Task<string> AddToCart(string itemId, bool halfOrder, string optionId, int quantity, SpicyScale ? spiceLevel, Sauce ? sauce)
{
try
{
MenuItemView newItem = new MenuItemView() { IsHalfOrder = halfOrder, OptionSelected = optionId, Quantity = quantity, SpiceLevel = spiceLevel, Sauce = sauce };
var dbItem = await SpicyGardenDbContext.Menu.Where(m => m.Id == itemId).FirstAsync();
newItem.Id = dbItem.Id;
HttpCookie c = Request.Cookies["blowme"];
if (!AssertNonTampered(c["cid"], c["oid"], c))
{
RedirectToAction("Index");
}
var oid = c["oid"];
await orderHandler.AddItemToCart(oid, newItem);
return GenerateItemHtml(await this.SpicyGardenDbContext.OrderItems.Where(x => x.OrderId == oid && x.MenuItemId == itemId && x.Removed == false).FirstOrDefaultAsync());
}
catch (Exception e)
{
return "error";
}
}
