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<?php |
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|
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declare(strict_types=1); |
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namespace RenzoJohnson\Blocks\WooCommerce; |
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|
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\defined( 'ABSPATH' ) || exit; |
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/** Keeps WooCommerce transactional pages noindex in Yoast's robots output. */ |
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final class RobotsGuard { |
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public const OPTION_ENABLED = 'blocks_woo_robots_guard_enabled'; |
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|
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/** Mirrors the condition in WooCommerce's own wc_page_no_robots(). */ |
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private const GUARDED_PAGES = array( 'cart', 'checkout', 'myaccount' ); |
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|
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public function __construct( private readonly \Blocks_Settings_Repository $settings ) { |
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} |
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public function register_hooks(): void { |
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// Late, so a site's own robots customisation still wins if it runs later. |
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\add_filter( 'wpseo_robots_array', $this->filter_yoast_robots( ... ), 20 ); |
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} |
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|
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/** |
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* @param mixed $robots Yoast's assembled robots directives. |
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* @return array<string, mixed> |
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*/ |
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public function filter_yoast_robots( $robots ): array { |
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$robots = \is_array( $robots ) ? $robots : array(); |
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if ( ! $this->is_active() ) { |
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return $robots; |
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} |
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if ( isset( $robots['index'] ) && 'noindex' === $robots['index'] ) { |
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return $robots; |
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} |
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if ( ! $this->is_guarded_page() ) { |
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return $robots; |
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} |
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$robots['index'] = 'noindex'; |
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// Preview hints do not apply to noindex URLs. |
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unset( $robots['max-snippet'], $robots['max-image-preview'], $robots['max-video-preview'] ); |
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return $robots; |
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} |
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|
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private function is_guarded_page(): bool { |
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if ( ! \is_page() ) { |
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return false; |
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} |
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$current = (int) \get_queried_object_id(); |
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return $current > 0 && \in_array( $current, WooPages::guarded_ids( self::GUARDED_PAGES ), true ); |
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} |
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private function is_active(): bool { |
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if ( ! \function_exists( '\wc_get_page_id' ) || ! \defined( 'WPSEO_VERSION' ) ) { |
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return false; |
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} |
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|
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/** |
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* Escape hatch for site owners who want Yoast's stock robots output. |
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* |
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* @param bool $enabled Whether the guard runs. |
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*/ |
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return (bool) \apply_filters( 'blocks_seo_woo_robots_enabled', $this->settings->get_bool( self::OPTION_ENABLED, false ) ); |
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} |
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} |
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