gnu-social/actions/showmessage.php

<?php
/*
 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, Controlez-Vous, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

if (!defined('LACONICA')) { exit(1); }

require_once(INSTALLDIR.'/lib/mailbox.php');

class ShowmessageAction extends MailboxAction {

	function handle($args) {

		Action::handle($args);

		$id = $this->trimmed('id');

		$message = Message::staticGet('id', $id);

		if (!$message) {
			$this->client_error(_('No such message.'), 404);
			return;
		}
		
		$cur = common_current_user();
		
		if (!$cur ||
			$cur->id != $message->from_profile &&
			$cur->id != $message->to_profile) 
		{
			$this->client_error(_('Only the sender and recipient may read this message.'), 404);
			return;
		}
			
		$this->show_page($cur, 1);
	}
	
	function get_message() {
		$id = $this->trimmed('id');
		$message = Message::staticGet('id', $id);
		return $message;
	}
	
	function get_title($user, $page) {
		$message = $this->get_message();
		if (!$message) {
			return NULL;
		}
		
		if ($user->id == $message->from_profile) {
			$to = $message->getTo();
			$title = sprintf(_('Message to %1\$s on %2\$s'),
							 $to->nickname,
							 common_exact_date($message->created));
		} else if ($user->id == $message->to_profile) {
			$from = $message->getFrom();
			$title = sprintf(_('Message from %1\$s on %2\$s'),
							 $from->nickname,
							 common_exact_date($message->created));
		}
		return $title;
	}
	
	function get_messages($user, $page) {
		return $this->get_message();
	}
	
	function get_message_profile($message) {
		$user = common_current_user();
		if ($user->id == $message->from_profile) {
			return $message->getTo();
		} else if ($user->id == $message->to_profile) {
			return $message->getFrom();
		} else {
			# This shouldn't happen
			return NULL;
		}
	}
	
	function get_instructions() {
		return '';
	}
}