public async Task CreateOrdersAsync(IEnumerable <int> restaurantIds)
{
var existingRestaurantIds = await _context.Restaurants
.Where(r => restaurantIds.Contains(r.Id))
.Select(r => r.Id)
.ToListAsync();
var ordersToAdd = existingRestaurantIds
.Select(id => new Order
{
Username = Context.User.GetSub(),
OrderedAt = DateTime.Now.Truncate(),
CompletedAt = null,
RestaurantId = id,
})
.ToList();
await _context.Orders.AddRangeAsync(ordersToAdd);
await _context.SaveChangesAsync();
_updateService.SendRestaurantsUpdated(existingRestaurantIds).Forget();
var newOrderIds = ordersToAdd.Select(o => o.Id).ToList();
_updateService.SendDispatchPendingUpdate(newOrderIds).Forget();
_updateService.SendUserOrdersCreated(newOrderIds, Context.User.GetSub()).Forget();
}
public async Task CompleteOrderAsync(int orderId)
{
var order = await _context.Orders.SingleAsync(o => o.Id == orderId);
if (order.CompletedAt != null)
{
throw new AlreadyCompletedOrderException(orderId);
}
order.CompletedAt = DateTime.Now.Truncate();
await _context.SaveChangesAsync();
_updateService.SendDispatchOrderCompleted(orderId).Forget();
_updateService.SendRestaurantsUpdated(new[] { order.RestaurantId }).Forget();
_updateService.SendUserOrdersUpdated(new[] { orderId }, order.Username).Forget();
}