public function get_tickets( $post_id ) {

		$ticket_ids = $this->get_tickets_ids( $post_id );

		if ( ! $ticket_ids ) {
			return array();
		}

		$tickets = array();

		foreach ( $ticket_ids as $post ) {
			$ticket = $this->get_ticket( $post_id, $post );

			if ( __CLASS__ !== $ticket->provider_class ) {
				continue;
			}

			$tickets[] = $ticket;
		}

		return $tickets;
	}