public function create() : OrderProductInterface { $orderProduct = new OrderProduct(); $orderProduct->setQuantity(1); $orderProduct->setWeight(0); $orderProduct->setBuyPrice(new Price()); $orderProduct->setSellPrice(new DiscountablePrice()); $orderProduct->setCreatedAt(new \DateTime()); $orderProduct->setUpdatedAt(new \DateTime()); $orderProduct->setOptions([]); return $orderProduct; }