Redirect Expired ClassiPress Ad Listings to Home Page

class-view-listing-single.php

<?php

/**
 * Single Listing view.
 */
class DKF_REL_View_Listing_Single extends APP_View {
	/**
	 * Check if this class should handle the current view.
	 *
	 * @return bool
	 */
	public function condition() {
		return is_404();
	}

	/**
	 * Redirects Expired and deleted ads to the home page.
	 *
	 * @global WP_Query $wp_query
	 * @global wpdb     $wpdb
	 */
	function template_redirect() {
		global $wp_query, $wpdb;

		$post = get_post( $wpdb->get_var( $wp_query->request ) );

		if ( $post && APP_POST_TYPE === $post->post_type && in_array( $post->post_status, array( 'trash', 'draft' ), true ) ) {
			wp_redirect( home_url(), 302 );
			die();
		}
	}
}

redirect-expired-listings.php

<?php
/*
Plugin Name: Redirect Expired Listings
Description: Redirect users to home page or category page when requested listing is expired.
Version: 1.0.0
Author: Artem Frolov
*/

add_action( 'appthemes_init', 'dkf_rel_init' );

function dkf_rel_init() {
	if ( ! class_exists( 'APP_View' ) ) {
		return;
	}

	require_once 'class-view-listing-single.php';

	new DKF_REL_View_Listing_Single();
}