Redirect to Course if customer purchased a Woo Product

gistfile1.txt

function c_has_purchased_product_ids($product_ids){
    // debugging
    // echo "Customer has bought product ids: " . $ids;
    if ( ! $product_ids ) return false;
    $current_user = wp_get_current_user();

    // always show for admins
    if(current_user_can('administrator')) return true;

    if(is_array($product_ids)){
        foreach ( $product_ids as $product_id ) {
            if ( wc_customer_bought_product( wp_get_current_user()->user_email, get_current_user_id(), $product_id ) ) {
                return true;
            }
        }
    } elseif ( wc_customer_bought_product( wp_get_current_user()->user_email, get_current_user_id(), $product_ids ) ) {
        return true;
    }
    return false;
}

add_action( 'template_redirect', 'c_redirect_to_purchased_course' );
function c_redirect_to_purchased_course() {
    if( is_product() && get_field('c_related_online_course')){
        $current_user = wp_get_current_user();
        $related_course_id = get_field('c_related_online_course');
    
        if ( wc_customer_bought_product( wp_get_current_user()->user_email, get_current_user_id(), get_the_ID() ) ) {
            wp_redirect( get_permalink($related_course_id['0']) );
            exit;
        }

    }
}