270 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			270 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * WPSEO plugin file.
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|  *
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|  * @package WPSEO\Admin
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|  */
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| 
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| /**
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|  * Adds the UI to change the primary term for a post.
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|  */
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| class WPSEO_Primary_Term_Admin implements WPSEO_WordPress_Integration {
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| 
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| 	/**
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| 	 * Constructor.
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| 	 */
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| 	public function register_hooks() {
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| 		add_filter( 'wpseo_content_meta_section_content', [ $this, 'add_input_fields' ] );
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| 
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| 		add_action( 'admin_footer', [ $this, 'wp_footer' ], 10 );
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| 
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| 		add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_assets' ] );
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| 	}
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| 
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| 	/**
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| 	 * Gets the current post ID.
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| 	 *
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| 	 * @return int The post ID.
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| 	 */
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| 	protected function get_current_id() {
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| 		// phpcs:ignore WordPress.Security.NonceVerification.Recommended,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Reason: We are not processing form information, We are casting to an integer.
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| 		$post_id = isset( $_GET['post'] ) && is_string( $_GET['post'] ) ? (int) wp_unslash( $_GET['post'] ) : 0;
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| 
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| 		if ( $post_id === 0 && isset( $GLOBALS['post_ID'] ) ) {
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| 			$post_id = (int) $GLOBALS['post_ID'];
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| 		}
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| 
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| 		return $post_id;
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| 	}
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| 
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| 	/**
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| 	 * Adds hidden fields for primary taxonomies.
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| 	 *
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| 	 * @param string $content The metabox content.
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| 	 *
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| 	 * @return string The HTML content.
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| 	 */
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| 	public function add_input_fields( $content ) {
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| 		$taxonomies = $this->get_primary_term_taxonomies();
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| 
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| 		foreach ( $taxonomies as $taxonomy ) {
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| 			$content .= $this->primary_term_field( $taxonomy->name );
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| 			$content .= wp_nonce_field( 'save-primary-term', WPSEO_Meta::$form_prefix . 'primary_' . $taxonomy->name . '_nonce', false, false );
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| 		}
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| 		return $content;
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| 	}
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| 
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| 	/**
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| 	 * Generates the HTML for a hidden field for a primary taxonomy.
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| 	 *
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| 	 * @param string $taxonomy_name The taxonomy's slug.
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| 	 *
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| 	 * @return string The HTML for a hidden primary taxonomy field.
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| 	 */
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| 	protected function primary_term_field( $taxonomy_name ) {
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| 		return sprintf(
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| 			'<input class="yoast-wpseo-primary-term" type="hidden" id="%1$s" name="%2$s" value="%3$s" />',
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| 			esc_attr( $this->generate_field_id( $taxonomy_name ) ),
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| 			esc_attr( $this->generate_field_name( $taxonomy_name ) ),
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| 			esc_attr( $this->get_primary_term( $taxonomy_name ) )
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| 		);
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| 	}
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| 
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| 	/**
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| 	 * Generates an id for a primary taxonomy's hidden field.
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| 	 *
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| 	 * @param string $taxonomy_name The taxonomy's slug.
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| 	 *
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| 	 * @return string The field id.
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| 	 */
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| 	protected function generate_field_id( $taxonomy_name ) {
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| 		return 'yoast-wpseo-primary-' . $taxonomy_name;
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| 	}
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| 
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| 	/**
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| 	 * Generates a name for a primary taxonomy's hidden field.
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| 	 *
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| 	 * @param string $taxonomy_name The taxonomy's slug.
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| 	 *
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| 	 * @return string The field id.
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| 	 */
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| 	protected function generate_field_name( $taxonomy_name ) {
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| 		return WPSEO_Meta::$form_prefix . 'primary_' . $taxonomy_name . '_term';
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| 	}
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| 
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| 	/**
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| 	 * Adds primary term templates.
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| 	 */
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| 	public function wp_footer() {
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| 		$taxonomies = $this->get_primary_term_taxonomies();
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| 
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| 		if ( ! empty( $taxonomies ) ) {
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| 			$this->include_js_templates();
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * Enqueues all the assets needed for the primary term interface.
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| 	 *
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| 	 * @return void
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| 	 */
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| 	public function enqueue_assets() {
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| 		global $pagenow;
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| 
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| 		if ( ! WPSEO_Metabox::is_post_edit( $pagenow ) ) {
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| 			return;
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| 		}
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| 
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| 		$taxonomies = $this->get_primary_term_taxonomies();
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| 
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| 		// Only enqueue if there are taxonomies that need a primary term.
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| 		if ( empty( $taxonomies ) ) {
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| 			return;
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| 		}
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| 
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| 		$asset_manager = new WPSEO_Admin_Asset_Manager();
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| 		$asset_manager->enqueue_style( 'primary-category' );
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| 
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| 		$mapped_taxonomies = $this->get_mapped_taxonomies_for_js( $taxonomies );
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| 
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| 		$data = [
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| 			'taxonomies' => $mapped_taxonomies,
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| 		];
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| 
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| 		$asset_manager->localize_script( 'post-edit', 'wpseoPrimaryCategoryL10n', $data );
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| 		$asset_manager->localize_script( 'post-edit-classic', 'wpseoPrimaryCategoryL10n', $data );
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| 	}
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| 
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| 	/**
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| 	 * Gets the id of the primary term.
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| 	 *
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| 	 * @param string $taxonomy_name Taxonomy name for the term.
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| 	 *
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| 	 * @return int primary term id
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| 	 */
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| 	protected function get_primary_term( $taxonomy_name ) {
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| 		$primary_term = new WPSEO_Primary_Term( $taxonomy_name, $this->get_current_id() );
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| 
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| 		return $primary_term->get_primary_term();
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| 	}
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| 
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| 	/**
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| 	 * Returns all the taxonomies for which the primary term selection is enabled.
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| 	 *
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| 	 * @param int|null $post_id Default current post ID.
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| 	 * @return array
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| 	 */
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| 	protected function get_primary_term_taxonomies( $post_id = null ) {
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| 		if ( $post_id === null ) {
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| 			$post_id = $this->get_current_id();
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| 		}
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| 
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| 		$taxonomies = wp_cache_get( 'primary_term_taxonomies_' . $post_id, 'wpseo' );
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| 		if ( $taxonomies !== false ) {
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| 			return $taxonomies;
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| 		}
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| 
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| 		$taxonomies = $this->generate_primary_term_taxonomies( $post_id );
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| 
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| 		wp_cache_set( 'primary_term_taxonomies_' . $post_id, $taxonomies, 'wpseo' );
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| 
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| 		return $taxonomies;
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| 	}
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| 
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| 	/**
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| 	 * Includes templates file.
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| 	 */
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| 	protected function include_js_templates() {
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| 		include_once WPSEO_PATH . 'admin/views/js-templates-primary-term.php';
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| 	}
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| 
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| 	/**
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| 	 * Generates the primary term taxonomies.
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| 	 *
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| 	 * @param int $post_id ID of the post.
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| 	 *
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| 	 * @return array
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| 	 */
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| 	protected function generate_primary_term_taxonomies( $post_id ) {
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| 		$post_type      = get_post_type( $post_id );
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| 		$all_taxonomies = get_object_taxonomies( $post_type, 'objects' );
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| 		$all_taxonomies = array_filter( $all_taxonomies, [ $this, 'filter_hierarchical_taxonomies' ] );
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| 
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| 		/**
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| 		 * Filters which taxonomies for which the user can choose the primary term.
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| 		 *
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| 		 * @api array    $taxonomies An array of taxonomy objects that are primary_term enabled.
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| 		 *
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| 		 * @param string $post_type      The post type for which to filter the taxonomies.
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| 		 * @param array  $all_taxonomies All taxonomies for this post types, even ones that don't have primary term
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| 		 *                               enabled.
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| 		 */
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| 		$taxonomies = (array) apply_filters( 'wpseo_primary_term_taxonomies', $all_taxonomies, $post_type, $all_taxonomies );
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| 
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| 		return $taxonomies;
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| 	}
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| 
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| 	/**
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| 	 * Creates a map of taxonomies for localization.
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| 	 *
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| 	 * @param array $taxonomies The taxononmies that should be mapped.
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| 	 *
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| 	 * @return array The mapped taxonomies.
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| 	 */
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| 	protected function get_mapped_taxonomies_for_js( $taxonomies ) {
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| 		return array_map( [ $this, 'map_taxonomies_for_js' ], $taxonomies );
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| 	}
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| 
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| 	/**
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| 	 * Returns an array suitable for use in the javascript.
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| 	 *
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| 	 * @param stdClass $taxonomy The taxonomy to map.
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| 	 *
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| 	 * @return array The mapped taxonomy.
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| 	 */
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| 	private function map_taxonomies_for_js( $taxonomy ) {
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| 		$primary_term = $this->get_primary_term( $taxonomy->name );
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| 
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| 		if ( empty( $primary_term ) ) {
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| 			$primary_term = '';
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| 		}
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| 
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| 		$terms = get_terms(
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| 			[
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| 				'taxonomy'               => $taxonomy->name,
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| 				'update_term_meta_cache' => false,
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| 				'fields'                 => 'id=>name',
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| 			]
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| 		);
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| 
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| 		$mapped_terms_for_js = [];
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| 		foreach ( $terms as $id => $name ) {
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| 			$mapped_terms_for_js[] = [
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| 				'id'   => $id,
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| 				'name' => $name,
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| 			];
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| 		}
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| 
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| 		return [
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| 			'title'         => $taxonomy->labels->singular_name,
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| 			'name'          => $taxonomy->name,
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| 			'primary'       => $primary_term,
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| 			'singularLabel' => $taxonomy->labels->singular_name,
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| 			'fieldId'       => $this->generate_field_id( $taxonomy->name ),
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| 			'restBase'      => ( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name,
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| 			'terms'         => $mapped_terms_for_js,
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| 		];
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| 	}
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| 
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| 	/**
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| 	 * Returns whether or not a taxonomy is hierarchical.
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| 	 *
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| 	 * @param stdClass $taxonomy Taxonomy object.
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| 	 *
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| 	 * @return bool
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| 	 */
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| 	private function filter_hierarchical_taxonomies( $taxonomy ) {
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| 		return (bool) $taxonomy->hierarchical;
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| 	}
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| }
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