public async Task <ActionResult <TransactionRequest> > Checkout()
{
decimal price = 0;
Receipt receipt = new Receipt();
var CartItem = await this.cart.cart_items.ToListAsync().ConfigureAwait(false);
foreach (var cart_item in CartItem)
{
POSItems item_data = await _context.Items.FindAsync(cart_item.Id);
decimal item_price = item_data.price * cart_item.Quantity;
price += item_price;
receipt.purchased_items.Add(POSController.create_purchase_item_entry(item_price, item_data, cart_item));
}
if (this._user.wallet < price)
{
_validator.SetMessage("Insufficient Funds.");
return(BadRequest(new BadRequestObjectResult(_validator)));
}
receipt.total_price = price;
this._user.wallet -= price;
receipt.remaining_balance = this._user.wallet;
if (await this.UpdateEntry(this._user).ConfigureAwait(false))
{
this.cart.Database.ExecuteSqlRaw("TRUNCATE `cart_items`");
return(Ok(receipt));
}
else
{
return(StatusCode(500));
}
}
public POSController(IPOSItemValidator validator, ITransactionRequestValidator cartValidator, POSContext context, TransactionContext cart)
{
this._context = context;
this._validator = validator;
this._cartValidator = cartValidator;
this.cart = cart;
this._user = POSController.CreateUser();
if (!this._context.Users.Any(u => u.user_id == this._user.user_id))
{
this._user = POSController.CreateUser();
this._context.Users.Add(this._user);
this._context.SaveChanges();
}
else
{
var users = this._context.Users.Include(u => u.rights);
foreach (var user in users)
{
if (user.user_id == this._user.user_id)
{
this._user = user;
}
}
}
}