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)));
}
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);
}