cron/classes/class.ilCronForumNotification.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | 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 General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/


class ilCronForumNotification
{
        function ilCronForumNotification()
        {
                global $ilLog,$ilDB;

                $this->log =& $ilLog;
                $this->db =& $ilDB;
        }

        function sendNotifications()
        {
                global $ilias, $ilUser, $rbacsystem, $lng;

                include_once "./classes/class.ilObjForum.php";
                include_once "./classes/class.ilMail.php";
                include_once "./classes/class.ilObjUser.php";
                include_once "./classes/class.ilLanguage.php";

                $forumObj = new ilObjForum($_GET["ref_id"]);
                $frm =& $forumObj->Forum;

                if(!($lastDate = $ilias->getSetting("cron_forum_notification_last_date")))
                {
                        $lastDate = "0000-00-00 00:00:00";
                }

                $q = "SELECT frm_threads.thr_subject AS thr_subject, frm_data.top_name AS top_name, frm_data.top_frm_fk AS obj_id, frm_notification.user_id AS user_id, frm_posts.* FROM frm_notification, frm_posts, frm_threads, frm_data WHERE ";
                $q .= "frm_posts.pos_date >= '" . $lastDate . "' AND ";
                $q .= "frm_posts.pos_thr_fk = frm_threads.thr_pk AND ";
                $q .= "frm_threads.thr_pk = frm_notification.thread_id AND ";
                $q .= "frm_data.top_pk >= frm_threads.thr_top_fk ";
                $q .= "ORDER BY frm_posts.pos_date ASC";
                $res = $this->db->query($q);
                if (!DB::isError($res) &&
                        is_object($res) &&
                        $res->numRows() > 0)
                {
                        while($row = $res->fetchRow(DB_FETCHMODE_ASSOC))
                        {
                                if ($row["pos_usr_id"] != $row["user_id"])
                                {
                                        // GET AUTHOR OF NEW POST
                                        $tmp_user =& new ilObjUser($row["pos_usr_id"]);
                                        $row["pos_usr_name"] = $tmp_user->getLogin();

                                        // GET USER WHO WANTS TO BE INFORMED ABOUT NEW POSTS
                                        $tmp_user =& new ilObjUser($row["user_id"]);
        
                                        if (is_array($obj_data = ilObject::_getAllReferences($row["obj_id"])))
                                        {
                                                foreach($obj_data as $ref_id)
                                                {
                                                        if ($rbacsystem->checkAccessOfUser($row["user_id"], "read", $ref_id))
                                                        {
                                                                $row["ref_id"] = $ref_id;
                                                                break;
                                                        }
                                                }
                                        }
        
                                        if ($row["ref_id"] != "")
                                        {
                                                // SEND NOTIFICATIONS BY E-MAIL
                                                $lng =& new ilLanguage($tmp_user->getLanguage());
                                                $lng->loadLanguageModule("forum");
                                                $frm->setLanguage($lng);
                                                $tmp_mail_obj = new ilMail($row["pos_usr_id"]);
                                                $message = $tmp_mail_obj->sendMail($tmp_user->getLogin(),"","",
                                                                                                                   $frm->formatNotificationSubject(),
                                                                                                                   $frm->formatNotification($row, 1),
                                                                                                                   array(),array("normal"));
                                                unset($tmp_mail_obj);
                                        }
        
                                        unset($tmp_user);
                                }
                        }
                }

                $ilias->setSetting("cron_forum_notification_last_date", date("Y-m-d H:i:s"));

                return true;
        }
}
?>