public async Task CreateOrderProductsAsync(int orderId, IEnumerable <int> productIds)
{
IEnumerable <OrderProduct> GetOrderProducts()
{
foreach (var productId in productIds)
{
yield return(new OrderProduct
{
OrderId = orderId,
ProductId = productId,
});
}
}
await _orderProductRepository.CreateRangeAsync(GetOrderProducts());
await _orderProductRepository.SaveChangesAsync();
}