EC-CUBE / ec-cube

                // 配送商品に含まれる販売種別を抽出.

                $OrderItems = $Shipping->getProductOrderItems();

                $SaleTypes = [];

                foreach ($OrderItems as $OrderItem) {

                    $ProductClass = $OrderItem->getProductClass();

                    $SaleType = $ProductClass->getSaleType();

                    $SaleTypes[$SaleType->getId()] = $SaleType;

                }

                // 販売種別に紐づく配送業者を取得.

                $Deliveries = $this->deliveryRepository->getDeliveries($SaleTypes);

        $OrderItems = $Shipping->getOrderItems();

        $SaleTypes = [];

        /** @var OrderItem $OrderItem */

        foreach ($OrderItems as $OrderItem) {

            $ProductClass = $OrderItem->getProductClass();

            $SaleType = $ProductClass->getSaleType();

            $SaleTypes[$SaleType->getId()] = $SaleType;

        }

        // 販売種別に紐づく配送業者を取得.

        $Deliveries = $this->deliveryRepository->getDeliveries($SaleTypes);

        // 受注明細に含まれる販売種別を抽出.

        $SaleTypes = [];

        /** @var OrderItem $OrderItem */

        foreach ($OrderItems as $OrderItem) {

            $ProductClass = $OrderItem->getProductClass();

            if (is_null($ProductClass)) {

                // 商品明細のみ対象とする. 送料明細等はスキップする.

                continue;

            }

            $SaleType = $ProductClass->getSaleType();

            $SaleTypes[$SaleType->getId()] = $SaleType;

        }

        // 販売種別に紐づく配送業者を抽出

        $Deliveries = $this->deliveryRepository->getDeliveries($SaleTypes);