<?php

// +----------------------------------------------------------------------+
// Editam is a content management platform developed by Akelos Media, S.L.|
// Copyright (C) 2006 - 2007 Akelos Media, S.L.                           |
//                                                                        |
// 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.                             |
//                                                                        |
// 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 Akelos Media, S.L. headquarters at                     |
// C/ Pasodoble Amparito Roca, 6, 46240 - Carlet (Valencia) - Spain       |
// or at email address contact@akelos.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 of  |
// the "Powered by Editam" logo. If the display of the logo is not        |
// reasonably feasible for technical reasons, the Appropriate Legal       |
// Notices must display the words "Powered by Editam".                    |
// +----------------------------------------------------------------------+

class User extends ActiveRecord
{
    var $belongs_to = array(
        'creator' => array('class_name' => 'User', 'foreign_key' => 'created_by')
    );
    
    var $habtm = array('roles' => array('unique'=>true));
    
    var $has_many =  'system_messages';
    
    var $salt = 'A thing of beauty is a joy forever';

    function validate()
    {
        $this->validatesUniquenessOf('login', array('message'=>$this->t('login %login already in use', array('%login'=>$this->get('login')))));
        $this->needsPasswordConfirmation() ? $this->validatesConfirmationOf('password', $this->t('Must match confirmation')) : null;

        $this->validatesPresenceOf(array('login','name'));
        $this->isNewRecord() ? $this->validatesPresenceOf(array('password','password_confirmation')) : null;
        $this->needsEmailValidation() ? $this->validatesFormatOf('email', AK_EMAIL_REGULAR_EXPRESSION, $this->t('Invalid email address')) : null;
        $this->validatesLengthOf('login', array('in'=>array(3, 40), 'too_long' => $this->t('pick a shorter login'), 'too_short' => $this->t('pick a longer name')));
        $this->needsPasswordLengthValidation() ? $this->validatesLengthOf('password', array('in'=>array(4, 40), 'too_long' => $this->t('pick a shorter password'), 'too_short' => $this->t('pick a longer password'))) : null;
    }

    function needsPasswordLengthValidation()
    {
        return $this->isNewRecord() || !empty($this->password);
    }

    function needsPasswordConfirmation()
    {
        return $this->isNewRecord();
    }

    function needsEmailValidation()
    {
        return empty($this->_byspass_email_validation);
    }

    function beforeCreate()
    {
        $this->encryptPassword();
        return true;
    }

    function beforeUpdate()
    {
        $this->_encryptPasswordUnlessEmptyOrUnchanged();
        return true;
    }

    function encryptPassword()
    {
        $this->set('password', $this->sha1($this->get('password')));
    }

    function sha1($phrase)
    {
        return sha1('--'.$this->salt.'--'.$phrase.'--');
    }

    function _encryptPasswordUnlessEmptyOrUnchanged()
    {
        $User =& $this->find($this->id);
        switch ($this->get('password')) {
            case '':
            $this->password = $User->password;
            break;
            case $User->password:
            break;
            default:
            $this->encryptPassword();
            break;
        }
    }
}


?>