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sourceforge/freenetis/branches/testing/application/libraries/MY_Controller.php @ 1234

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<?php defined('SYSPATH') or die('No direct script access.');
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/*
* This file is part of open source system FreeNetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/
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// numbers of errors
define("ACCESS", "1");
define("EMAIL", "2");
define("DATABASE", "3");
define("RECORD", "4");
define("PAGE", "5");
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define("UPGRADE", "6");
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define("WRITABLE", "7");
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define("READONLY", "8");
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// numbers of warnings, their identifier numbers have to differ from error messages
// for example when programmer misleads error and warning
define("PARAMETER", "1001");
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/**
* Main controller creates menu, handles changes in svn repository (database upgrade), ...
*
*/
class Controller extends Controller_Core
{
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/** @var integer */
const ICON_ERROR = 1;
/** @var integer */
const ICON_GOOD = 2;
/** @var integer */
const ICON_HELP = 3;
/** @var integer */
const ICON_INFO = 4;
/** @var integer */
const ICON_WARNING = 5;
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/**
* Controller singleton
*
* @var Controller
*/
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private static $instance;
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/**
* Paths for which login is not required
*
* @var array
*/
private static $login_not_required = array
(
'login',
'forgotten_password',
'registration',
'registration/complete',
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'registration/complete',
'address_points/get_gps_by_street_street_number_town_country',
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'scheduler/run',
'installation'
);

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/** @var unknown_type */
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public $arr;
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/** @var Setting_Model Settings */
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public $settings = NULL;
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/** @var array */
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public $upgrade_sql = array();
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/** @var integer */
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public $current_svn_db_schema_version = 0;
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/** @var integer */
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public $current_svn_revision = 0;
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/** @var integer */
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public $popup = 0;
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/** @var integer */
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public $dialog = 0;
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/** @var boolean */
public $user_has_phone_invoices = 0;
/** @var boolean */
public $user_has_voip = 0;
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/** @var string */
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public $ip_address_span = '';
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/** @var integer */
public $unread_user_mails = 0;
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/** @var integer */
public $count_of_registered_members = 0;
/** @var integer */
public $count_of_unvoted_works_of_voter = 0;
/** @var integer */
public $count_of_unvoted_works_reports_of_voter = 0;
/** @var integer */
public $count_unfilled_phone_invoices = 0;
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/** @var array */
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public $svn = array();
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/** @var integer $member_id ID of logged member */
protected $member_id;
/** @var integer $user_id ID of logged user */
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protected $user_id;
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/** @var integer $account_id ID of logged member account */
protected $member_account_id = 1;
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/** @var Session */
protected $session;
/** @var $groups_aro_map Groups_aro_map_Model */
private $groups_aro_map;
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/**
* Contruct of controller, creates singleton or return it
*/
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public function __construct()
{
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parent::__construct();
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// This part only needs to be run once
if (self::$instance === NULL)
{
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// init sessions
$this->session = Session::instance();
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// test if visitor is logged in, or he accesses public
// controllers like registration, redirect, installation, etc.
if (!in_array(url_lang::current(), self::$login_not_required) &&
strpos(url_lang::current(), 'web_interface') === false &&
url_lang::current(true) != 'web_interface' &&
!$this->session->get('user_id', 0))
{
// Not logged in - redirect to login page
$this->session->set_flash('err_message', __('Must be logged in'));

// Do not logout after login
if (url_lang::current() != 'login/logout')
{
$this->session->set('referer', url_lang::current());
}

// Redirect to login
url::redirect(url_lang::base() . 'login');

// Die
die();
}

// init settings
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$this->settings = new Settings();
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// if true, freenetis will run in popup mode (without header and menu)
$this->popup = (isset($_GET['popup']) && $_GET['popup']) ? 1 : 0;
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// if true, freenetis will run in text mod for dialog
$this->dialog = (isset($_GET['dialog']) && $_GET['dialog']) ? 1 : 0;
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// database upgrade goes here
$this->get_current_svn_db_schema_info();

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// svn informations for errors and info
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$this->svn_info();

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// config file doesn't exist, we must create it
if (!file_exists('config.php'))
{
// protection before loop
if (url_lang::current(1) == 'setup_config')
return;
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url::redirect(url_lang::base() . 'setup_config');
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}

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// protection before loop
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if (url_lang::current(1) == 'installation')
return;
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// test database connection
if (!db::test())
Controller::error(DATABASE);
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// db schema version is null
if (!$this->settings->get('db_schema_version'))
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{
// we must run install
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url::redirect(url_lang::base() . 'installation');
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}
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// db schema is not up to date
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else if ($this->current_svn_db_schema_version !=
$this->settings->get('db_schema_version'))
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{
// we must run upgrade
$this->upgrade_sql($this->settings->get('db_schema_version'));
}
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// load these variables only for logged user
if ($this->session->get('user_id', 0))
{
// for preprocessing some variable
$this->preprocessor();
}
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// Singleton instance
self::$instance = $this;
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}
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}
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/**
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* Singleton instance of Controller.
*
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* @author Michal Kliment
* @return Controller object
*/
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public static function & instance()
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{
// Create the instance if it does not exist
empty(self::$instance) and new Controller;

return self::$instance;
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}
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/**
* Function shows error of given message number.
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*
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* @param $message
* @param $content
*/
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public function error($message_type, $content = NULL)
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{
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switch ($message_type)
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{
case ACCESS:
$message = url_lang::lang('states.Access denied');
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$this->showbox($message, self::ICON_ERROR, $content);
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break;
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case EMAIL:
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$message = url_lang::lang('states.Failed to send e-mail') . '<br />' .
url_lang::lang('states.Please check settings.');
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$this->showbox($message, self::ICON_ERROR, $content);
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break;
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case DATABASE:
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$message = url_lang::lang('states.Failed to connect to database') .
'<br />' . url_lang::lang('states.Please check settings.');
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$this->showbox($message, self::ICON_ERROR, $content);
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break;
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case RECORD:
$message = url_lang::lang('states.This record does not exist');
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$this->showbox($message, self::ICON_ERROR, $content);
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break;
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case PAGE:
$message = url_lang::lang('states.Page not found');
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$this->showbox($message, self::ICON_ERROR, $content);
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break;
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case UPGRADE:
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$message = url_lang::lang('states.Database upgrade failed');
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$this->showbox($message, self::ICON_ERROR, $content);
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break;
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case WRITABLE:
$message = url_lang::lang('states.Directory or file is not writable.');
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$this->showbox($message, self::ICON_ERROR, $content);
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break;
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case READONLY:
$message = url_lang::lang('states.Item is read only.');
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$this->showbox($message, self::ICON_ERROR, $content);
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break;
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default:
$message = url_lang::lang('states.Unknown error message');
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$this->showbox($message, self::ICON_WARNING, $content);
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break;
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}
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}
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/**
* Function shows warning of given message number.
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*
* @param integer $message
* @param string $content
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*/
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public function warning($message, $content = NULL)
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{
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switch ($message)
{
case PARAMETER:
$message = url_lang::lang('states.Parameter required');
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$this->showbox($message, self::ICON_WARNING, $content);
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break;
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default:
$message = url_lang::lang('states.Unknown warning message');
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$this->showbox($message, self::ICON_WARNING, $content);
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break;
}
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}

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/**
* Function renders error and warning messages.
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*
* @param string $message
* @param integer $type
* @param string $content
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*/
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private function showbox($message, $type, $content = NULL)
{
$view = new View('main');
$view->content = new View('statesbox');
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$src = NULL;

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switch ($type)
{
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case self::ICON_ERROR:
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$view->title = __('Error');
$src = 'media/images/states/error.png';
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break;
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case self::ICON_GOOD:
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$view->title = __('Good');
$src = 'media/images/states/good.png';
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break;
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case self::ICON_HELP:
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$view->title = __('Help');
$src = 'media/images/states/help.png';
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break;
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case self::ICON_INFO:
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$view->title = __('Info');
$src = 'media/images/states/info.png';
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break;
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case self::ICON_WARNING:
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$view->title = __('Warning');
$src = 'media/images/states/warning.png';
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break;
}
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$view->content->icon = html::image(array
(
'src' => $src,
'width' => '100',
'height' => '100',
'alt' => 'Image',
'class' => 'noborder'
));

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$view->content->message = $message;
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if (isset($content))
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{
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$view->content->content = $content;
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}

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$view->render(TRUE);
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// must be die() - else it will be render twice !
die();
}
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/**
* Setup revision database schema.
*/
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public function get_current_svn_db_schema_info()
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{
require_once("application/upgrade_sql/upgrade_sql.php");
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$this->current_svn_db_schema_version = get_SVN_rev();
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$this->upgrade_sql[$this->current_svn_db_schema_version] =
$upgrade_sql[$this->current_svn_db_schema_version];
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}

/**
* Upgrade database from current version to latest version.
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*
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* @param integer $from_version From which version(revision) upgrade starts
*/
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public function upgrade_sql($from_version = 0)
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{
$ok = true;
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$this->db = Database::instance();
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$config = new Config_Model();
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$query = '';
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// for each revision
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for ($i = ($from_version + 1); $i < ($this->current_svn_db_schema_version); $i++)
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{
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if (file_exists("application/upgrade_sql/upgrade_sql_" . $i . ".php"))
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{
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require("application/upgrade_sql/upgrade_sql_" . $i . ".php");
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// database transaction
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try
{
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// upgrade function before
if (function_exists('upgrade_sql_' . $i . '_before'))
{
if (!call_user_func('upgrade_sql_' . $i . '_before'))
{
throw new Exception('upgrade_sql_' . $i . '_before');
}
}

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foreach ($upgrade_sql[$i] as $query)
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{
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if (!$this->db->query($query))
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{
throw new Kohana_Database_Exception();
}
}

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// upgrade function after
if (function_exists('upgrade_sql_' . $i . '_after'))
{
if (!call_user_func('upgrade_sql_' . $i . '_after'))
{
throw new Exception('upgrade_sql_' . $i . '_after');
}
}
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}
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catch (Exception $e)
{
$message = "SVN: $i <br />"
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. __('file') . ": upgrade_sql_$i.php<br /><br />Function: " .
$e->getMessage();
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$this->error(UPGRADE, $message);
}
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// set up db schema
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$config->set_db_schema_version($i);
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}
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}
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// do SQL queries from upgrade_sql file
try
{
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// upgrade function before
if (function_exists('upgrade_sql_before'))
{
if (!call_user_func('upgrade_sql_before'))
{
throw new Exception('upgrade_sql_before');
}
}

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foreach ($this->upgrade_sql[$this->current_svn_db_schema_version] as $query)
{
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if (!$this->db->query($query))
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{
throw new Kohana_Database_Exception();
}
}

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// upgrade function after
if (function_exists('upgrade_sql_after'))
{
if (!call_user_func('upgrade_sql_after'))
{
throw new Exception('upgrade_sql_after');
}
}
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}
catch (Kohana_Database_Exception $e)
{
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$message = "SVN: $i <br />" . __('file') .
": upgrade_sql.php<br /><br />$query";
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$this->error(UPGRADE, $message);
}
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catch (Exception $e)
{
$message = "SVN: $i <br />"
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. __('file') . ": upgrade_sql_$i.php<br /><br />Function: " .
$e->getMessage();
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}
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// set up db schema
$config->set_db_schema_version($this->current_svn_db_schema_version);
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}
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/**
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* Checks user's access to system
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*
* @author Ondřej Fibich
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*
* @param type $axo_section_value AXO section value - Controller name
* @param type $axo_value AXO value - part of Controller
* @param type $aco_type ACO type of action (view, new, edit, delete, confirm)
* @param integer $member_id Member to check access
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* @param boolean $force_own Force to use own rules for not logged user
* Used at: Phone_invoices_Controller#user_field()
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* @return bool
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*/
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private function acl_check(
$axo_section, $axo_value, $aco_type, $member_id = NULL,
$force_own = FALSE)
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{
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// groups aro map loaded?
if (empty($this->groups_aro_map))
{
$this->groups_aro_map = new Groups_aro_map_Model();
}
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// check own?
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if (($member_id == $_SESSION['member_id']) || $force_own)
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{
// check own access
if ($this->groups_aro_map->has_access(
$_SESSION['user_id'], $aco_type . '_own',
$axo_section, $axo_value
))
{
// access valid
return true;
}
}
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// check all
return $this->groups_aro_map->has_access(
$_SESSION['user_id'], $aco_type . '_all',
$axo_section, $axo_value
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);
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}
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/**
* Checks if user is in ARO group
*
* @author Ondřej Fibich
* @param integer $group_id ARO group ID
* @param integer $aro_id User ID
* @return boolean true if exists false otherwise
*/
public function is_user_in_group($aro_group_id, $aro_id)
{
return $this->groups_aro_map->groups_aro_map_exists($aro_group_id, $aro_id);
}
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/**
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* Fuction checks access rights
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* Return true if currently logged user (stored in $_SESSION['user_id'])
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* may view own $axo_value object in $axo_section
* (and in variable $member_id is his own id of member) or if currently logged user
* may view all $axo_value object in $axo_section else return false
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*
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* @param $axo_section Group of objects to view
* @param $axo_value Object to view
* @param $member_id Optional variable, id of other member
* who is being showed by logged member
* @param boolean $force_own Force to use own rules for not logged user
* Used at: Phone_invoices_Controller#user_field()
* @return boolean returns true if member has enough access rights
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*/
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public function acl_check_view(
$axo_section, $axo_value, $member_id = NULL, $force_own = FALSE)
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{
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return $this->acl_check(
$axo_section, $axo_value, 'view', $member_id, $force_own
);
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}
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/**
* Fuction checks access rights
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* Return true if currently logged user (stored in $_SESSION['user_id'])
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* may view own $axo_value object in $axo_section
* (and in variable $member_id is his own id of member) or if currently logged user
* may edit all $axo_value object in $axo_section else return false
*
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* @param $axo_section Group of objects to edit
* @param $axo_value Object to edit
* @param $member_id Optional variable, id of other member
* who is being showed by logged member
* @param boolean $force_own Force to use own rules for not logged user
* Used at: Phone_invoices_Controller#user_field()
* @return boolean Returns true if member has enough access rights
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*/
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public function acl_check_edit(
$axo_section, $axo_value, $member_id = NULL, $force_own = FALSE)
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{
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return $this->acl_check(
$axo_section, $axo_value, 'edit', $member_id, $force_own
);
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}
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/**
* Fuction checks access rights
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* Return true if currently logged user (stored in $_SESSION['user_id'])
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* may view own $axo_value object in $axo_section
* (and in variable $member_id is his own id of member) or if currently logged user
* may add all $axo_value object in $axo_section else return false
*
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* @param $axo_section Group of objects to edit
* @param $axo_value Object to add
* @param $member_id Optional variable, id of other member
* who is being showed by logged member
* @param boolean $force_own Force to use own rules for not logged user
* Used at: Phone_invoices_Controller#user_field()
* @return boolean Returns true if member has enough access rights
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*/
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public function acl_check_new(
$axo_section, $axo_value, $member_id = NULL, $force_own = FALSE)
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{
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return $this->acl_check(
$axo_section, $axo_value, 'new', $member_id, $force_own
);
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}
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/**
* Fuction checks access rights
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* Return true if currently logged user (stored in $_SESSION['user_id'])
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* may view own $axo_value object in $axo_section
* (and in variable $member_id is his own id of member) or if currently logged user
* may delete all $axo_value object in $axo_section else return false
*
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* @param $axo_section Group of objects to edit
* @param $axo_value Object to delete
* @param $member_id Optional variable, id of other member
* who is being showed by logged member
* @param boolean $force_own Force to use own rules for not logged user
* Used at: Phone_invoices_Controller#user_field()
* @return boolean Returns true if member has enough access rights
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*/
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public function acl_check_delete(
$axo_section, $axo_value, $member_id = NULL, $force_own = FALSE)
202 michalklim
{
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return $this->acl_check(
$axo_section, $axo_value, 'delete', $member_id, $force_own
);
202 michalklim
}
127 tomas_duli
779 dzolo
/**
* Fuction checks access rights
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* Return true if currently logged user (stored in $_SESSION['user_id'])
779 dzolo
* may view own $axo_value object in $axo_section
* (and in variable $member_id is his own id of member) or if currently logged user
* may confirm all $axo_value object in $axo_section else return false
*
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* @param $axo_section Group of objects to confirm
* @param $axo_value Object to confirm
* @param $member_id Optional variable, id of other member
* who is being showed by logged member
* @param boolean $force_own Force to use own rules for not logged user
* Used at: Phone_invoices_Controller#user_field()
* @return boolean Returns true if member has enough access rights
779 dzolo
*/
1156 dzolo
public function acl_check_confirm(
$axo_section, $axo_value, $member_id = NULL, $force_own = FALSE)
779 dzolo
{
1156 dzolo
return $this->acl_check(
$axo_section, $axo_value, 'confirm', $member_id, $force_own
);
779 dzolo
}
1142 dzolo
779 dzolo
/**
1013 michalklim
* Sets info about SVN
*
* @author Michal Kliment
*/
private function svn_info()
{
1142 dzolo
$info = @shell_exec("svn info " . dirname(__FILE__) . "/../../");
1013 michalklim
1142 dzolo
if ($info != '')
{
$lines = explode("\n", $info);

foreach ($lines as $line)
1013 michalklim
{
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$segments = explode(":", $line);
$key = str_replace(" ", "_", strtolower(array_shift($segments)));
$value = implode(":", $segments);
1013 michalklim
1142 dzolo
if ($key != '')
$this->svn[$key] = trim($value);
1013 michalklim
}
1142 dzolo
}

// Sets revision
if (isset($this->svn['revision']))
{
$this->current_svn_revision = $this->svn['revision'];
}
1013 michalklim
}

/**
898 michalklim
* Function to preprocessing of some useful variables
1142 dzolo
*
898 michalklim
* @author Michal Kliment
*/
1142 dzolo
private function preprocessor()
898 michalklim
{
1234 dzolo
// helper class
$member = new Member_Model();

1195 dzolo
// store user ID from session
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$this->user_id = $this->session->get('user_id');
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// store member ID from session
$this->member_id = $this->session->get('member_id');

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// boolean variable if user has any phone invoices (for menu rendering)
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$phone_invoice_user = new Phone_invoice_user_Model();

$this->user_has_phone_invoices = (
$this->member_id != 1 &&
$phone_invoice_user->has_phone_invoices($this->user_id)
);

// count of unfilled phone invoices
if ($this->user_has_phone_invoices)
{
$this->count_unfilled_phone_invoices = $phone_invoice_user
->count_unfilled_phone_invoices($this->user_id);
}
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// boolean variable if user has active voip number (for menu rendering)
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$this->user_has_voip = (bool) ORM::factory('voip_sip')
->has_voip_sips($this->user_id);
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// count of unread mail messages of user
$this->unread_user_mails = ORM::factory('mail_message')
->count_all_unread_inbox_messages_by_user_id($this->user_id);
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// count registered members if enabled
if ($this->settings->get('self_registration'))
{
$this->count_of_registered_members = $member->count_of_registered_members();
}

// gets account id of memeber
if ($this->acl_check_view('Accounts_Controller', 'transfers', $this->member_id) &&
$this->member_id != 1)
{
$this->member_account_id = $member->get_first_member_account_id($this->member_id);
}

// gets counts of unvoted user's works and work reports
if ($this->acl_check_view('Users_Controller', 'work'))
{
$this->count_of_unvoted_works_of_voter = ORM::factory('job')
->get_count_of_unvoted_works_of_voter($this->user_id);

$this->count_of_unvoted_works_reports_of_voter = ORM::factory('job_report')
->get_count_of_unvoted_work_reports_of_voter($this->user_id);
}

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// ip address span
$this->ip_address_span = server::remote_addr();
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if (($ptr_record = dns::get_ptr_record($this->ip_address_span)) != '')
{
$this->ip_address_span .= ' <i>(' . $ptr_record . ')</i>';
}
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// allowed subnets are enabled
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if (Settings::get('allowed_subnets_enabled') && $this->member_id &&
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$this->acl_check_edit(
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'Devices_Controller', 'allowed_subnet', $this->member_id
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))
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{
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// toggle button between allowed subnets
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$asm = new Allowed_subnet_Model();
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$as = $asm->get_allowed_subnet_by_member_and_ip_address(
$this->member_id, server::remote_addr()
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);

// it's possible to change allowed allowed subnets
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if ($as && $as->id &&
$asm->count_all_disabled_allowed_subnets_by_member($this->member_id))
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{
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$uri = 'allowed_subnets/change/' .$as->id;
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if ($as->enabled)
{
$this->ip_address_span .= ' ' . html::anchor($uri, html::image(array
(
'src' => 'media/images/active.png',
'title' => 'Disable this subnet'
))) . ' ' . help::hint('allowed_subnets_enabled');
}
else
{
$this->ip_address_span .= ' ' . html::anchor($uri, html::image(array
(
'src' => 'media/images/inactive.png',
'title' => 'Enable this subnet'
))) . ' ' . help::hint('allowed_subnets_disabled');
}
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}
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}

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// updates paths
$this->update_paths();
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}

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/**
* Function to update paths
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*
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* @author Michal Kliment
*/
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private function update_paths()
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{
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if (!is_array($this->session->get('paths')))
$this->session->set('paths', array());
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$paths = $this->session->get('paths');
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if (url_lang::current(TRUE) != 'login' &&
url_lang::current(TRUE) != 'json' &&
url_lang::current(TRUE) != 'js')
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{
if (isset($paths[$this->session->get('last_path_id')]))
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{
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$path = $paths[$this->session->get('last_path_id')];

if ($path[count($path) - 1] != url::base(TRUE) . url::current())
{
if (url::base() . url::previous() != $path[count($path) - 1])
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{
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foreach ($paths as $id => $path)
{
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if (isset($path[count($path) - 1]) &&
url::base() . url::previous() == $path[count($path) - 1])
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{
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$this->session->set('last_path_id', $id);
break;
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}
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}
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}
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$path = NULL;
foreach ($paths[$this->session->get('last_path_id')] as $i => $url)
{
if (url::base(TRUE) . url::current() == $url)
{
$path = array_slice($paths[$this->session->get('last_path_id')], 0, $i + 1);
break;
}
}
if (!$path)
$paths[$this->session->get('last_path_id')][] = url::base(TRUE) . url::current();
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else
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$paths[$this->session->get('last_path_id')] = $path;
}
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}
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else
$paths[$this->session->get('last_path_id')][] = url::base(TRUE) . url::current();
}
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$this->session->set('paths', $paths);
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}

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}