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repository = $repository; } /** * @inheritdoc */ public function register_hooks() { \add_action( 'save_post', [ $this, 'save_primary_terms' ] ); \add_action( 'delete_post', [ $this, 'delete_primary_terms' ] ); } /** * Deletes primary terms for a post. * * @param int $post_id The post to delete the terms of. * * @return void */ public function delete_primary_terms( $post_id ) { foreach ( $this->get_primary_term_taxonomies( $post_id ) as $taxonomy ) { $indexable = $this->repository->find_by_postid_and_taxonomy( $post_id, $taxonomy->name, false ); if ( ! $indexable ) { continue; } $indexable->delete(); } } /** * Saves the primary terms for a post. * * @param int $post_id Post ID to save the primary terms for. * * @return void */ public function save_primary_terms( $post_id ) { if ( ! $this->is_post_request() ) { return; } foreach ( $this->get_primary_term_taxonomies( $post_id ) as $taxonomy ) { $this->save_primary_term( $post_id, $taxonomy->name ); } } /** * Save the primary term for a specific taxonomy. * * @param int $post_id Post ID to save primary term for. * @param string $taxonomy Taxonomy to save primary term for. * * @return void */ protected function save_primary_term( $post_id, $taxonomy ) { // This request must be valid. $term_id = $this->get_posted_term_id( $taxonomy ); if ( $term_id && ! $this->is_referer_valid( $taxonomy ) ) { return; } $term_selected = ! empty( $term_id ); $primary_term = $this->repository->find_by_postid_and_taxonomy( $post_id, $taxonomy, $term_selected ); // Removes the indexable when found. if ( ! $term_selected ) { if ( $primary_term ) { $primary_term->delete(); } return; } $primary_term->term_id = $term_id; $primary_term->post_id = $post_id; $primary_term->taxonomy = $taxonomy; $primary_term->save(); } /** * Returns all the taxonomies for which the primary term selection is enabled. * * @param int $post_id Default current post ID. * * @return array The taxonomies. */ protected function get_primary_term_taxonomies( $post_id = null ) { if ( null === $post_id ) { $post_id = \get_the_ID(); } $taxonomies = $this->generate_primary_term_taxonomies( $post_id ); return $taxonomies; } /** * Generate the primary term taxonomies. * * @param int $post_id ID of the post. * * @return array The taxonomies. */ protected function generate_primary_term_taxonomies( $post_id ) { $post_type = \get_post_type( $post_id ); $all_taxonomies = \get_object_taxonomies( $post_type, 'objects' ); $all_taxonomies = \array_filter( $all_taxonomies, [ $this, 'filter_hierarchical_taxonomies' ] ); /** * Filters which taxonomies for which the user can choose the primary term. * * @api array $taxonomies An array of taxonomy objects that are primary_term enabled. * * @param string $post_type The post type for which to filter the taxonomies. * @param array $all_taxonomies All taxonomies for this post types, even ones that don't have primary term * enabled. */ $taxonomies = (array) \apply_filters( 'wpseo_primary_term_taxonomies', $all_taxonomies, $post_type, $all_taxonomies ); return $taxonomies; } /** * Returns whether or not a taxonomy is hierarchical * * @param \stdClass $taxonomy Taxonomy object. * * @return bool True for hierarchical taxonomy. */ protected function filter_hierarchical_taxonomies( $taxonomy ) { return (bool) $taxonomy->hierarchical; } /** * Checks if the request is a post request. * * @return bool Whether the method is a post request. */ protected function is_post_request() { return isset( $_SERVER['REQUEST_METHOD'] ) && \strtolower( \wp_unslash( $_SERVER['REQUEST_METHOD'] ) ) === 'post'; } /** * Retrieves the posted term ID based on the given taxonomy. * * @param string $taxonomy The taxonomy to check. * * @return int The term ID. */ protected function get_posted_term_id( $taxonomy ) { return \filter_input( \INPUT_POST, WPSEO_Meta::$form_prefix . 'primary_' . $taxonomy . '_term', \FILTER_SANITIZE_NUMBER_INT ); } /** * Checks if the referer is valid for given taxonomy. * * @param string $taxonomy The taxonomy to validate. * * @return bool Whether the referer is valid. */ protected function is_referer_valid( $taxonomy ) { return \check_admin_referer( 'save-primary-term', WPSEO_Meta::$form_prefix . 'primary_' . $taxonomy . '_nonce' ); } }