BP_REST_Learndash_Courses_Endpoint::get_last_activity( WP_Post $post )

	public function get_last_activity( $post ) {
		$course_activity = learndash_get_user_activity(
			array(
				'course_id'     => $post->ID,
				'user_id'       => get_current_user_id(),
				'post_id'       => $post->ID,
				'activity_type' => 'course',
			)
		);

		if ( $course_activity ) {
			return sprintf(
			// translators: Last activity date in infobar.
				esc_html_x( 'Last activity on %s', 'Last activity date in infobar', 'buddyboss' ),
				learndash_adjust_date_time_display( $course_activity->activity_updated, get_option( 'date_format' ) )
			);
		}

		return '';
	}