Add OrderShopSolver::countValidComplementaryOrderShops()

Solver/Order/OrderShopSolver.php

@@ -231,6 +231,11 @@ class OrderShopSolver
         }
         return $arrayComplementaryOrderShops;
     }
+    
+    public function countValidComplementaryOrderShops(OrderShopInterface $orderShop): int
+    {
+        return count($this->getValidComplementaryOrderShops($orderShop));
+    }
 
     public function getOrderStatusHistory(OrderShopInterface $orderShop, OrderStatusInterface $status)
     {