/* coupon ajax search function */ 
function coupon_ajax_search(){ 
    global $wpdb; 
    $search_term = esc_sql( $_POST['search'] ); 
    $response = array( 
        "list" => array() 
    ); 
     
    $query = "SELECT * FROM {$wpdb->prefix}posts WHERE post_status='publish' AND post_type='shop' AND post_title LIKE '%{$search_term}%' ORDER BY post_title ASC"; 
     
    $results = $wpdb->get_results( $query ); 
     
    if( !empty( $results ) ){ 
        foreach( $results as $result ){ 
            $title = str_replace( " ", " ", $result->post_title ); 
            $response["list"][] = array( 
                "name"     => urlencode( $title ), 
                "url"    => urlencode( get_permalink( $result->ID ) ) 
            ); 
        } 
    } 
     
    echo json_encode( $response ); 
    die(); 
} 
add_action('wp_ajax_ajax_search', 'coupon_ajax_search'); 
add_action('wp_ajax_nopriv_ajax_search', 'coupon_ajax_search'); 

function coupon_get_code(){ 
    $codeid = $_POST['codeid']; 
    $response = array(); 
     
    $code = get_post( $codeid ); 
    if( !empty( $code ) ){ 
        coupon_register_click( $codeid ); 
        $code_meta = get_post_custom( $codeid ); 
        $code_couponcode = coupon_get_smeta( 'code_couponcode', $code_meta, '' ); 
        $shop_id = coupon_get_smeta( 'code_shop_id', $code_meta, '' ); 
        $thumb_id = get_post_thumbnail_id( $shop_id ); 
        $image = wp_get_attachment_image_src( $thumb_id, 'top20' ); 
        $response['image'] = !empty( $image ) ? $image[0] : ''; 
        $response['title'] = $code->post_title; 
        $response['text'] = $code->post_content; 
        $response['code'] = $code_couponcode; 
    } 
    else{ 
        $response['error'] = __( 'Coupon does not exists', 'coupon' ); 
    } 
     
    echo json_encode( $response ); 
    die(); 
} 
add_action('wp_ajax_ajax_code', 'coupon_get_code'); 
add_action('wp_ajax_nopriv_ajax_code', 'coupon_get_code');