<?php namespace Automattic\WP\Bulk_Edit_Cron_Offload; class Delete_All { /** * Class constants */ const CRON_EVENT = 'a8c_bulk_edit_delete_all'; const ADMIN_NOTICE_KEY = 'a8c_bulk_edit_deleted_all'; /** * Register this bulk process' hooks */ public static function register_hooks() { add_action( self::CRON_EVENT, array( __CLASS__, 'process_via_cron' ) ); add_action( 'admin_notices', array( __CLASS__, 'admin_notices' ) ); } /** * */ public static function process( $vars ) { // TODO: Add hook to hide posts when their deletion is pending // TODO: Insufficient, need to check regardless of args :( $existing_event_ts = wp_next_scheduled( self::CRON_EVENT, array( $vars ) ); if ( $existing_event_ts ) { self::redirect( false ); } else { wp_schedule_single_event( time(), self::CRON_EVENT, array( $vars ) ); self::redirect( true ); } } /** * */ public static function process_via_cron( $vars ) { global $wpdb; $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type = %s AND post_status = %s", $vars->post_type, $vars->post_status ) ); if ( is_array( $post_ids ) && ! empty( $post_ids ) ) { require_once ABSPATH . '/wp-admin/includes/post.php'; $deleted = $locked = $auth_error = $error = array(); foreach ( $post_ids as $post_id ) { // Can the user delete this post if ( ! user_can( $vars->user_id, 'delete_post', $post_id ) ) { $auth_error[] = $post_id; continue; } // Post is locked by someone, so leave it alone if ( false !== wp_check_post_lock( $post_id ) ) { $locked[] = $post_id; continue; } // $post_deleted = wp_delete_post( $post_id ); if ( $post_deleted ) { $deleted[] = $post_id; } else { $error[] = $post_id; } // TODO: stop_the_insanity() } // TODO: something meaningful with this data $results = compact( 'deleted', 'locked', 'auth_error', 'error' ); return $results; } else { // TODO: What to do here? return false; } } /** * Redirect, including a flag to indicate if the bulk process was scheduled successfully * * @param bool $succeed Whether or not the bulk-delete was scheduled */ public static function redirect( $succeed = false ) { $redirect = wp_unslash( $_SERVER['REQUEST_URI'] ); // Remove arguments that could re-trigger this bulk-edit $redirect = remove_query_arg( array( '_wp_http_referer', '_wpnonce', 'delete_all', 'delete_all2', ), $redirect ); // Add a flag for the admin notice $redirect = add_query_arg( self::ADMIN_NOTICE_KEY, $succeed ? 1 : -1, $redirect ); wp_redirect( $redirect ); exit; } /** * Let the user know what's going on */ public function admin_notices() { if ( ! isset( $_REQUEST[ self::ADMIN_NOTICE_KEY ] ) ) { return; } if ( 1 === (int) $_REQUEST[ self::ADMIN_NOTICE_KEY ] ) { $class = 'notice-success'; $message = __( 'Success! The trash will be emptied soon.', 'automattic-bulk-edit-cron-offload' ); } else { $class = 'notice-error'; $message = __( 'An error occurred while emptying the trash. Please try again.', 'automattic-bulk-edit-cron-offload' ); } ?> <div class="notice <?php echo esc_attr( $class ); ?>"> <p><?php echo esc_html( $message ); ?></p> </div> <?php } } Delete_All::register_hooks();