Location: PHPKode > projects > TEMS -Time and Expense Management System > tems/baseclass/RequestHandler.php
<?php

/* * *******************************************************************************
 * TES is a Time and Expense Management program developed by
 * Initechs, LLC. Copyright (C) 2009 - 2010 Initechs LLC.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY INITECHS, INITECHS DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * 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, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 * You can contact Initechs headquarters at 1841 Piedmont Road, Suite 301,
 * Marietta, GA, USA. or at email address hide@address.com
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display od the "Initechs" logo.
 * If the display of the logo is not reasonably feasible for technical reasons,
 * the Appropriate Legal Notices must display the words "Powered by Initechs".
 * ****************************************************************************** */

$basedir = dirname(__FILE__) . '/..';

abstract class RequestHandler {

    public function __construct() {
        unset($_SESSION['error']);
        unset($_SESSION['message']);
        $_SESSION['postdata'] = $_POST;
    }

    public function processRequest() {
        global $goOnSuccess;
        global $goOnError;

        if (!$this->isValidPostData()) {
            $this->redirectToPage($goOnError);
            return;
        }

        if (!$this->processIncomingFormData())
            return;

        $this->redirectToPage($goOnSuccess);
        unset($_SESSION['postdata']);
        return;
    }

    protected function isValidPostData() {
        return true;
    }

    protected function processIncomingFormData() {
        return true;
    }

    protected function issueError($field, $msgid, $msgdta='') {
        global $goOnError;
        $msg = getMessage($msgid, $msgdta);
        $_SESSION['error'][$field] = "$msg ";
        $this->redirectToPage($goOnError);
    }

    protected function issueMessage($msgid, $msgdta='', $field='') {
        $msg = getMessage($msgid, $msgdta);
        $field = $field == '' ? 'record' : $field;
        $_SESSION['message'][$field] = "$msg ";
    }

    protected function redirectToPage($in_url, $in_contentType = 'text/html') {
        $in_url = trim($in_url);
        if ($in_url <> '') {
            header("Location: $in_url");
            header("Content-Type: $in_contentType");
        }
    }

}

?>
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