WC_Abstract_Order::recalculate_coupons() │ public │ WC 3.2.0

Apply all coupons in this order again to all line items. This method is public since WooCommerce 3.8.0.

Метод класса: WC_Abstract_Order{}

Возвращает

null. Ничего (null).

Использование

$WC_Abstract_Order = new WC_Abstract_Order();
$WC_Abstract_Order->recalculate_coupons();

Список изменений

Код WC_Abstract_Order::recalculate_coupons() WC Abstract Order::recalculate coupons ^{WC 9.8.1}

public function recalculate_coupons() {
	// Reset line item totals.
	foreach ( $this->get_items() as $item ) {
		$item->set_total( $item->get_subtotal() );
		$item->set_total_tax( $item->get_subtotal_tax() );
	}

	$discounts = new WC_Discounts( $this );

	foreach ( $this->get_items( 'coupon' ) as $coupon_item ) {
		$coupon_code = $coupon_item->get_code();
		$coupon_id   = wc_get_coupon_id_by_code( $coupon_code );

		// If we have a coupon ID (loaded via wc_get_coupon_id_by_code) we can simply load the new coupon object using the ID.
		if ( $coupon_id ) {
			$coupon_object = new WC_Coupon( $coupon_id );

		} else {

			// If we do not have a coupon ID (was it virtual? has it been deleted?) we must create a temporary coupon using what data we have stored during checkout.
			$coupon_object = $this->get_temporary_coupon( $coupon_item );
			$coupon_object->set_code( $coupon_code );
			$coupon_object->set_virtual( true );

			// If there is no coupon amount (maybe dynamic?), set it to the given **discount** amount so the coupon's same value is applied.
			if ( ! $coupon_object->get_amount() ) {

				// If the order originally had prices including tax, remove the discount + discount tax.
				if ( $this->get_prices_include_tax() ) {
					$coupon_object->set_amount( (float) $coupon_item->get_discount() + (float) $coupon_item->get_discount_tax() );
				} else {
					$coupon_object->set_amount( $coupon_item->get_discount() );
				}
				$coupon_object->set_discount_type( 'fixed_cart' );
			}
		}

		/**
		 * Allow developers to filter this coupon before it gets re-applied to the order.
		 *
		 * @since 3.2.0
		 */
		$coupon_object = apply_filters( 'woocommerce_order_recalculate_coupons_coupon_object', $coupon_object, $coupon_code, $coupon_item, $this );

		if ( $coupon_object ) {
			$discounts->apply_coupon( $coupon_object, false );
		}
	}

	$this->set_coupon_discount_amounts( $discounts );
	$this->set_item_discount_amounts( $discounts );

	// Recalculate totals and taxes.
	$this->calculate_totals( true );
}