kitten

<?php

// Remove single listings full page for basic users.
function fq_disable_single_cpt_views() {
    $queried_post_type = get_query_var('post_type');
    $cpts_without_single_views = array( 'business' );
    $featured_listing = get_post_meta(get_the_ID(), "featured_listing", TRUE);
    if (    is_single()
        &&  in_array( $queried_post_type, $cpts_without_single_views )
        &&  ("" === $featured_listing)
    ) {
        wp_redirect( home_url( '/sorry' ), 301 );
        exit;
    }
}
add_action( 'template_redirect', 'fq_disable_single_cpt_views' );

// Order posts for featured posts first in search and categories
function custom_special_sort( $query ) {

    // if is this the main query and is this post type of business
    if ( $query->is_main_query() && is_post_type_archive( 'business' ) ) {

        // order results by the meta_key 'featured_listing'
       // $query->set( 'meta_key', 'featured_listing' );
        $query->set( 'orderby', 'featured_listing' );
        $query->set( 'order', 'DESC' );
    }
}
add_action( 'pre_get_posts', 'custom_special_sort' );


// Make sure custom post type can be searched.
function custom_cpt_search( $query ) {
       if ( is_search() && $query->is_main_query() && $query->get( 's' ) ){
            $query->set('post_type', array('business'));
        }
        return $query;
    };

add_filter('pre_get_posts', 'custom_cpt_search');


/**
 * Extend WordPress search to include custom fields
 *
 * https://adambalee.com/search-wordpress-by-custom-fields-without-a-plugin/
 */

/**
 * Join posts and postmeta tables
 *
 * http://codex.wordpress.org/Plugin_API/Filter_Reference/posts_join
 */
function rivmedia_search_join( $join ) {
    global $wpdb;

    if ( is_search() ) {
        $join .=' LEFT JOIN '.$wpdb->postmeta. ' ON '. $wpdb->posts . '.ID = ' . $wpdb->postmeta . '.post_id ';
    }

    return $join;
}
add_filter('posts_join', 'rivmedia_search_join' );

/**
 * Modify the search query with posts_where
 *
 * http://codex.wordpress.org/Plugin_API/Filter_Reference/posts_where
 */
function rivmedia_search_where( $where ) {
    global $pagenow, $wpdb;

    if ( is_search() ) {
        $where = preg_replace(
            "/\(\s*".$wpdb->posts.".post_title\s+LIKE\s*(\'[^\']+\')\s*\)/",
            "(".$wpdb->posts.".post_title LIKE $1) OR (".$wpdb->postmeta.".meta_value LIKE $1)", $where );
    }

    return $where;
}
add_filter( 'posts_where', 'rivmedia_search_where' );

/**
 * Prevent duplicates
 *
 * http://codex.wordpress.org/Plugin_API/Filter_Reference/posts_distinct
 */
function rivmedia_search_distinct( $where ) {
    global $wpdb;

    if ( is_search() ) {
        return "DISTINCT";
    }

    return $where;
}
add_filter( 'posts_distinct', 'rivmedia_search_distinct' );