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функция не описана

WC_AJAX::add_coupon_discount() public WC 1.0

Add order discount via ajax.

{} Это метод класса: WC_AJAX{}

Хуков нет.

Возвращает

Null. Ничего.

Использование

$result = WC_AJAX::add_coupon_discount();

Код WC_AJAX::add_coupon_discount() WC 4.7.1

<?php
public static function add_coupon_discount() {
	check_ajax_referer( 'order-item', 'security' );

	if ( ! current_user_can( 'edit_shop_orders' ) ) {
		wp_die( -1 );
	}

	$response = array();

	try {
		$order_id           = isset( $_POST['order_id'] ) ? absint( $_POST['order_id'] ) : 0;
		$order              = wc_get_order( $order_id );
		$calculate_tax_args = array(
			'country'  => isset( $_POST['country'] ) ? wc_strtoupper( wc_clean( wp_unslash( $_POST['country'] ) ) ) : '',
			'state'    => isset( $_POST['state'] ) ? wc_strtoupper( wc_clean( wp_unslash( $_POST['state'] ) ) ) : '',
			'postcode' => isset( $_POST['postcode'] ) ? wc_strtoupper( wc_clean( wp_unslash( $_POST['postcode'] ) ) ) : '',
			'city'     => isset( $_POST['city'] ) ? wc_strtoupper( wc_clean( wp_unslash( $_POST['city'] ) ) ) : '',
		);

		if ( ! $order ) {
			throw new Exception( __( 'Invalid order', 'woocommerce' ) );
		}

		if ( empty( $_POST['coupon'] ) ) {
			throw new Exception( __( 'Invalid coupon', 'woocommerce' ) );
		}

		// Add user ID and/or email so validation for coupon limits works.
		$user_id_arg    = isset( $_POST['user_id'] ) ? absint( $_POST['user_id'] ) : 0;
		$user_email_arg = isset( $_POST['user_email'] ) ? sanitize_email( wp_unslash( $_POST['user_email'] ) ) : '';

		if ( $user_id_arg ) {
			$order->set_customer_id( $user_id_arg );
		}
		if ( $user_email_arg ) {
			$order->set_billing_email( $user_email_arg );
		}

		$result = $order->apply_coupon( wc_format_coupon_code( wp_unslash( $_POST['coupon'] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

		if ( is_wp_error( $result ) ) {
			throw new Exception( html_entity_decode( wp_strip_all_tags( $result->get_error_message() ) ) );
		}

		$order->calculate_taxes( $calculate_tax_args );
		$order->calculate_totals( false );

		ob_start();
		include __DIR__ . '/admin/meta-boxes/views/html-order-items.php';
		$response['html'] = ob_get_clean();
	} catch ( Exception $e ) {
		wp_send_json_error( array( 'error' => $e->getMessage() ) );
	}

	// wp_send_json_success must be outside the try block not to break phpunit tests.
	wp_send_json_success( $response );
}