Beispiel #1
0
 IQueryable <Order> GetActiveOrderByUser(PPUser user)
 {
     return(_dbContext.Orders.Where(order =>
                                    order.PpUser == user && (order.Status == OrderStatus.NewOrder ||
                                                             order.Status == OrderStatus.Pending ||
                                                             order.Status == OrderStatus.Shipped)));
 }
Beispiel #2
0
        public async Task <bool> CreateOrder(NewPizzaOrder newPizzaOrder, PPUser user)
        {
            List <OrderPizza> pizzas = new List <OrderPizza>(newPizzaOrder.Pizzas.Count);
            var orderPizzaCount      = 9;
            var orderTotalCost       = 0;

            foreach (var pizzaInOrder in newPizzaOrder.Pizzas)
            {
                var dbPizza = await _dbContext.Pizzas.FindAsync(pizzaInOrder.Key);

                if (dbPizza == null)
                {
                    return(false);
                }

                orderPizzaCount += pizzaInOrder.Value;
                orderTotalCost  += pizzaInOrder.Value * dbPizza.Price;

                pizzas.Add(new OrderPizza
                {
                    Pizza    = dbPizza,
                    Amount   = pizzaInOrder.Value,
                    UnitCost = dbPizza.Price
                });
            }

            var activeOrders    = GetActiveOrderByUser(user);
            var totalPizzaCount =
                await activeOrders.SumAsync(order => order.Pizzas.Sum(orderPizza => orderPizza.Amount)) +
                orderPizzaCount;

            var totalCost =
                await activeOrders.SumAsync(order =>
                                            order.Pizzas.Sum(orderPizza => orderPizza.UnitCost *orderPizza.Amount)) + orderTotalCost;

            if (totalPizzaCount > MAX_PIZZA_COUNT || totalCost > MAX_ORDER_COST)
            {
                return(false);
            }

            var newOrder = new Order(user, pizzas);

            newOrder.Status = OrderStatus.Pending;
            _dbContext.Orders.Add(newOrder);
            await _dbContext.SaveChangesAsync();

            return(true);
        }