*/
	public function get_enrollment_order( $product_id ) {

		// If a lesson id was passed in, cascade up to the course for order retrieval.
		if ( 'lesson' === get_post_type( $product_id ) ) {
			$lesson     = new LLMS_Lesson( $product_id );
			$product_id = $lesson->get( 'parent_course' );
		}

		// Attempt to locate the order via the enrollment trigger.
		$trigger = $this->get_enrollment_trigger( $product_id );
		if ( strpos( $trigger, 'order_' ) !== false ) {

			$id = str_replace( array( 'order_', 'wc_' ), '', $trigger );
			if ( is_numeric( $id ) ) {
				if ( 'llms_order' === get_post_type( $id ) ) {
					return new LLMS_Order( $id );
				} else {

					return get_post( $id );
				}
			}
		}

		// Couldn't find via enrollment trigger, do a WP_Query.
		$q = new WP_Query(
			array(
				'order'          => 'DESC',
				'orderby'        => 'modified',
				'meta_query'     => array(
					'relation' => 'AND',
					array(
						'key'   => '_llms_user_id',
						'value' => $this->get_id(),
					),
					array(
						'key'   => '_llms_product_id',
						'value' => $product_id,
					),
				),
				'posts_per_page' => 1,
				'post_type'      => 'llms_order',
			)
		);

		if ( $q->have_posts() ) {
			return new LLMS_Order( $q->posts[0] );
		}

		// Couldn't find an order, return false.
		return false;