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<?php |
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/** |
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* Module Name: Related Posts |
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* Module Description: Display links to your related content under posts and pages. |
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* First Introduced: 2.9 |
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* Sort Order: 29 |
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* Requires Connection: Yes |
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* Auto Activate: No |
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*/ |
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class Jetpack_RelatedPosts_Module { |
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/** |
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* Class variables |
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*/ |
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private static $__instance = null; |
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|
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/** |
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* Singleton implementation |
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* |
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* @return object |
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*/ |
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public static function instance() { |
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if ( ! is_a( self::$__instance, 'Jetpack_RelatedPosts_Module' ) ) |
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self::$__instance = new Jetpack_RelatedPosts_Module(); |
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|
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return self::$__instance; |
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} |
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|
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/** |
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* Register actions and filters |
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* |
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* @uses add_action, add_filter |
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* @return null |
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*/ |
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private function __construct() { |
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add_action( 'jetpack_module_loaded_related-posts', array( $this, 'action_on_load' ) ); |
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add_action( 'jetpack_activate_module_related-posts', array( $this, 'action_on_activate' ) ); |
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} |
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|
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/** |
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* This action triggers when module is activated. |
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* |
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* @uses self::_get_post_count_local, self::_get_post_count_cloud, Jetpack::init, Jetpack::sync_reindex_trigger |
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* @return null |
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*/ |
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public function action_on_activate() { |
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// Trigger reindex if we have a post count mismatch |
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if ( $this->_get_post_count_local() != $this->_get_post_count_cloud() ) { |
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Jetpack::init()->sync->reindex_trigger(); |
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} |
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} |
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|
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/** |
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* This action triggers if the module is in an active state, load related posts and options. |
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* |
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* @uses Jetpack_RelatedPosts::init, is_admin, Jetpack::enable_module_configurable, Jetpack::module_configuration_load, Jetpack_Sync::sync_posts |
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* @return null |
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*/ |
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public function action_on_load() { |
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require_once 'related-posts/jetpack-related-posts.php'; |
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Jetpack_RelatedPosts::init(); |
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|
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if ( is_admin() ) { |
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// Enable "Configure" button on module card |
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Jetpack::enable_module_configurable( __FILE__ ); |
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Jetpack::module_configuration_load( __FILE__, array( $this, 'module_configuration_load' ) ); |
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|
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// Sync new posts |
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Jetpack_Sync::sync_posts( __FILE__ ); |
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} |
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} |
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|
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/** |
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* Redirect configure button to Settings > Reading |
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* |
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* @uses wp_safe_redirect, admin_url |
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* @return null |
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*/ |
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public function module_configuration_load() { |
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wp_safe_redirect( admin_url( 'options-reading.php#jetpack_relatedposts' ) ); |
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exit; |
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} |
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|
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private function _get_post_count_local() { |
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global $wpdb; |
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return (int) $wpdb->get_var( |
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"SELECT count(*) |
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FROM {$wpdb->posts} |
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WHERE post_status = 'publish' AND post_password = ''" |
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); |
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} |
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|
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private function _get_post_count_cloud() { |
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$blog_id = Jetpack::init()->get_option( 'id' ); |
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|
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$body = array( |
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'size' => 1, |
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); |
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|
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$response = wp_remote_post( |
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"https://public-api.wordpress.com/rest/v1/sites/$blog_id/search", |
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array( |
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'timeout' => 10, |
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'user-agent' => 'jetpack_related_posts', |
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'sslverify' => true, |
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'body' => $body, |
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) |
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); |
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|
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if ( is_wp_error( $response ) ) { |
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return 0; |
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} |
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|
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$results = json_decode( wp_remote_retrieve_body( $response ), true ); |
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|
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return (int) $results['results']['total']; |
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} |
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} |
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|
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// Do it. |
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Jetpack_RelatedPosts_Module::instance(); |
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|
