146 lines
3.7 KiB
PHP
146 lines
3.7 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\Links
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*/
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/**
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* Represents the link watcher. This class will watch for the save_post hook being called.
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*/
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class WPSEO_Link_Watcher {
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/**
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* Represents the content processor. It will extract links from the content and saves them for the given post id.
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*
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* @var WPSEO_Link_Content_Processor
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*/
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protected $content_processor;
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/**
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* WPSEO_Link_Watcher constructor.
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*
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* @param WPSEO_Link_Content_Processor $content_processor The processor to use.
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*/
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public function __construct( WPSEO_Link_Content_Processor $content_processor ) {
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$this->content_processor = $content_processor;
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}
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/**
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* Registers the hooks.
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*
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* @returns void
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*/
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public function register_hooks() {
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add_action( 'save_post', [ $this, 'save_post' ], 10, 2 );
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add_action( 'delete_post', [ $this, 'delete_post' ] );
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}
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/**
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* Saves the links that are used in the post.
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*
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* @param int $post_id The post id to.
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* @param WP_Post $post The post object.
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*
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* @return void
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*/
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public function save_post( $post_id, WP_Post $post ) {
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// Bail if this is a multisite installation and the site has been switched.
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if ( is_multisite() && ms_is_switched() ) {
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return;
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}
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/**
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* Filter: 'wpseo_should_index_links' - Allows disabling of Yoast's links indexation.
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*
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* @api bool To disable the indexation, return false.
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*/
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if ( ! apply_filters( 'wpseo_should_index_links', true ) ) {
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return;
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}
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if ( ! WPSEO_Link_Table_Accessible::is_accessible() || ! WPSEO_Meta_Table_Accessible::is_accessible() ) {
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return;
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}
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// When the post is a revision.
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if ( wp_is_post_revision( $post->ID ) ) {
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return;
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}
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$post_statuses_to_skip = [ 'auto-draft', 'trash' ];
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if ( in_array( $post->post_status, $post_statuses_to_skip, true ) ) {
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return;
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}
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// When the post isn't processable, just remove the saved links.
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if ( ! $this->is_processable( $post_id ) ) {
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return;
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}
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$this->process( $post_id, $post->post_content );
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}
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/**
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* Removes the seo links when the post is deleted.
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*
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* @param int $post_id The post id.
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*
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* @return void
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*/
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public function delete_post( $post_id ) {
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/** This filter is documented in admin/links/class-link-watcher.php */
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if ( ! apply_filters( 'wpseo_should_index_links', true ) ) {
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return;
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}
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if ( ! WPSEO_Link_Table_Accessible::is_accessible() || ! WPSEO_Meta_Table_Accessible::is_accessible() ) {
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return;
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}
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// Fetch links to update related linked objects.
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$links = $this->content_processor->get_stored_internal_links( $post_id );
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// Update the storage, remove all links for this post.
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$storage = new WPSEO_Link_Storage();
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$storage->cleanup( $post_id );
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// Update link counts for object and referenced links.
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$this->content_processor->update_link_counts( $post_id, 0, $links );
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}
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/**
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* Checks if the post is processable.
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*
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* @param int $post_id The post id.
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*
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* @return bool True when the post is processable.
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*/
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protected function is_processable( $post_id ) {
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/*
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* Do not use the `wpseo_link_count_post_types` because we want to always count the links,
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* even if we don't show them.
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*/
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$post_types = WPSEO_Post_Type::get_accessible_post_types();
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return isset( $post_types[ get_post_type( $post_id ) ] );
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}
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/**
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* Processes the content for the given post id.
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*
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* @param int $post_id The post id to process.
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* @param string $content The content to process.
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*
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* @return void
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*/
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private function process( $post_id, $content ) {
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// Apply the filters to have the same content as shown on the frontend.
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$content = apply_filters( 'the_content', $content );
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$content = str_replace( ']]>', ']]>', $content );
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$this->content_processor->process( $post_id, $content );
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}
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}
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