/home/edulekha/studygroup.edulekha.com/ow_plugins/mailbox/classes/responder.php
<?php

/**
 * This software is intended for use with Oxwall Free Community Software http://www.oxwall.org/ and is
 * licensed under The BSD license.

 * ---
 * Copyright (c) 2011, Oxwall Foundation
 * All rights reserved.

 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice, this list of conditions and
 *  the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
 *  the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 *  - Neither the name of the Oxwall Foundation nor the names of its contributors may be used to endorse or promote products
 *  derived from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * Mailbox responder class
 *
 * @author Podyachev Evgeny <joker.OW2@gmail.com>, Zarif Safiullin <zaph.work@gmail.com>
 * @package ow_plugin.mailbox.classes
 * @since 1.0
 */
class MAILBOX_CLASS_Responder
{
    public $error;
    public $notice;

    /**
     * Class constructor
     */
    public function __construct()
    {
        return $this;
    }

    public function deleteConversation( $params )
    {
        if (!OW::getUser()->isAuthenticated())
        {
            echo json_encode(array());
            exit;
        }

        $userId = OW::getUser()->getId();

        $conversationId = (int) $params['conversationId'];

        if ( !empty($conversationId) )
        {
            MAILBOX_BOL_ConversationService::getInstance()->deleteConversation(array($conversationId), $userId);

            $this->notice = OW::getLanguage()->text('mailbox', 'delete_conversation_message');
            return true;
        }
        else
        {
            $this->error = OW::getLanguage()->text('mailbox', 'conversation_id_undefined');
            return false;
        }
    }
}