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Announcements.php
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<?php /** * Manage Announcements * * @package Tutor * @author Themeum <support@themeum.com> * @link https://themeum.com * @since 2.0.0 */ namespace TUTOR; use Tutor\Helpers\QueryHelper; if ( ! defined( 'ABSPATH' ) ) { exit; } /** * Announcements class * * @since 2.0.0 */ class Announcements { /** * Trait for utilities * * @var $page_title */ use Backend_Page_Trait; /** * Bulk Action * * @var $bulk_action */ public $bulk_action = true; /** * Constructor * * @since 1.0.0 * @return void */ public function __construct() { /** * Handle bulk action * * @since 2.0.0 */ add_action( 'wp_ajax_tutor_announcement_bulk_action', array( $this, 'announcement_bulk_action' ) ); } /** * Page title fallback * * @since 3.5.0 * * @param string $name Property name. * * @return string */ public function __get( $name ) { if ( 'page_title' === $name ) { return esc_html__( 'Announcements', 'tutor' ); } } /** * Prepare bulk actions that will show on dropdown options * * @since 2.0.0 * @return array */ public function prepare_bulk_actions(): array { $actions = array( $this->bulk_action_default(), $this->bulk_action_delete(), ); return $actions; } /** * Handle bulk action for enrollment cancel | delete * * @since 2.0.0 * @return string JSON response. */ public function announcement_bulk_action() { tutor_utils()->checking_nonce(); // Check if user is privileged. if ( ! User::has_any_role( array( User::ADMIN, User::INSTRUCTOR ) ) ) { wp_send_json_error( tutor_utils()->error_message() ); } $action = Input::post( 'bulk-action', '' ); $bulk_ids = Input::post( 'bulk-ids', '' ); // prevent instructor to delete admin announcement. $bulk_ids = array_filter( explode( ',', $bulk_ids ), function ( $announcement_id ) { return tutor_utils()->can_user_manage( 'announcement', $announcement_id ); } ); $update = self::delete_announcements( $action, implode( ',', $bulk_ids ) ); return true === $update ? wp_send_json_success() : wp_send_json_error(); } /** * Execute bulk action for enrolments ex: complete | cancel * * @since 2.0.0 * * @param string $action hold action. * @param string $bulk_ids comma seperated ids. * * @return bool */ public static function delete_announcements( $action, $bulk_ids ): bool { $ids = array_map( 'intval', explode( ',', $bulk_ids ) ); $in_clause = QueryHelper::prepare_in_clause( $ids ); if ( 'delete' === $action ) { global $wpdb; $post_table = $wpdb->posts; $delete = $wpdb->query( $wpdb->prepare( "DELETE FROM {$post_table} WHERE ID IN ($in_clause)" //phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared ) ); return false === $delete ? false : true; } return false; } }