Widget in MVC

/**
 * A widget that does amazing things!
 */
class Amazing_Widget extends WP_Widget {
    /**
     * Registers the widget with the WordPress Widget API.
     * 
     * @return void.
     */
    public static function register() {
        register_widget( __CLASS__ );
    }
    /**
     * Sets up the widget in the system.
     *
     * @return Amazing_Widget An instance of this widget.
     */
    public function __construct() {
        parent::__construct( 'amazing_widget', 'Amazing Widget' );
    }
    /**
     * Outputs the widget admin form.
     *
     * @return void.
     */
    public function form( $instance ) {
        // Output the widget admin form here
    }
    /**
     * Validates and sanitizes the widget form input.
     *
     * @return array The sanitized and updated values.
     */
    public function update( $new_instance, $old_instance ) {
        // Validate and sanitize updates here
    }
    /**
     * Outputs the widget front end markup and data.
     *
     * @return void.
     */
    public function widget( $args, $instance ) {
        // Output the widget front end markup here
    }
}
add_action( 'widgets_init', array( 'Amazing_Widget', 'register' ) );