//TODO: Too many moving parts for tasks and notifications move all the logic into the messageService and use of helper methods is fine
public void SendProductReviewNotifications()
{
// Last five years of delivered orders
var orders = _orderService.SearchOrders(0, 0, 0, 0, 0, 0, 0, null,
DateTime.Now.AddYears(-5), null, new List <int>()
{
(int)OrderStatus.Complete
}, null, new List <int>()
{
(int)ShippingStatus.Delivered
},
null, string.Empty);
var fiveDaysAgo = DateTime.Now.AddDays(-5);
// Ensure the customer has had enough time to use the product (five days after delivery; most people are eager to try new products)
var usedOrders = orders.Where(x => x.Shipments.Any(y => y.DeliveryDateUtc <= fiveDaysAgo));
var customerOrders = usedOrders
.GroupBy(o => o.CustomerId)
.Select((ordrs, customerId) => new { Customer = ordrs.First().Customer, Orders = ordrs.ToList() })
.ToList();
foreach (var customerAndOrders in customerOrders)
{
var customer = customerAndOrders.Customer;
var customerDistinctProducts = customerAndOrders.Orders.SelectMany(o => o.OrderItems.Select(oi => oi.Product).Distinct());
var customerDistinctProductIds = customerDistinctProducts.Select(p => p.Id).ToList();
// send notification semi-annually (6 months) if customer has not written a review
var notificationFromDate = DateTime.Now.AddMonths(-6);
var productReviewNotifications = _notificationService.GetProductReviewNotifications(customer.Id, customerDistinctProductIds, notificationFromDate);
var productReviewNotificationsProductIds = productReviewNotifications.Select(prv => prv.ProductId);
var unsentProductIds = customerDistinctProductIds.Except(productReviewNotificationsProductIds);
if (unsentProductIds.Count() == 0)
{
continue;
}
// Send one notificaiton for all products that have not had a review written by the customer; sending one notification per product would frustrate customers.
var unreviewedProducts = _productService.GetProductsByIds(unsentProductIds.ToArray()).ToList();
_mobSocialMessageService.SendProductReviewNotification(customer, unreviewedProducts, _workContext.WorkingLanguage.Id, _storeContext.CurrentStore.Id);
_notificationService.UpdateProductReviewNotifications(customer, unreviewedProducts);
}
}
