public function get_available_points() {
		$points = 0;
		foreach ( $this->get_lessons() as $lesson ) {
			$points += $lesson->get( 'points' );
		}

		/**
		 * Filters the total available points for the course.
		 *
		 * @since 3.24.0
		 *
		 * @param int         $points Number of available points.
		 * @param LLMS_Course $course Course object.
		 */
		return apply_filters( 'llms_course_get_available_points', $points, $this );
	}