Integrate KK Star Ratings with SEOPress PRO schemas

kk-star-ratings-seopress-pro-schemas.php

// This snippet will retrieve the votes from the current post handled by KK Star Ratings plugin
add_filter('seopress_schemas_auto_recipe_json', 'sp_schemas_auto_recipe_json');
function sp_schemas_auto_recipe_json($json) {
    $post_id = get_the_ID();

    $rating_data = get_post_meta($post_id, '_kksr_avg_default', true);
    $count = get_post_meta($post_id, '_kksr_count_default', true);

    if (!empty($rating_data) && !empty($count)) {
        $json['aggregateRating'] = [
            '@type' => 'AggregateRating',
            'ratingValue' => $rating_data,
            'reviewCount' => $count
        ];
    }

    return $json;
}