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<?php
/**
Copyright 2011-2014 Nick Korbel
This file is part of Booked Scheduler.
Booked Scheduler 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 3 of the License, or
(at your option) any later version.
Booked Scheduler 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 Booked Scheduler. If not, see <http://www.gnu.org/licenses/>.
*/
require_once(ROOT_DIR . 'Pages/IPage.php');
require_once(ROOT_DIR . 'Pages/Pages.php');
require_once(ROOT_DIR . 'lib/Common/namespace.php');
require_once(ROOT_DIR . 'lib/Server/namespace.php');
require_once(ROOT_DIR . 'lib/Config/namespace.php');
abstract class Page implements IPage
{
/**
* @var SmartyPage
*/
protected $smarty = null;
/**
* @var Server
*/
protected $server = null;
protected $path;
protected function __construct($titleKey = '', $pageDepth = 0)
{
$this->path = str_repeat('../', $pageDepth);
$this->server = ServiceLocator::GetServer();
$resources = Resources::GetInstance();
ExceptionHandler::SetExceptionHandler(new WebExceptionHandler(array($this, 'RedirectToError')));
$this->smarty = new SmartyPage($resources, $this->path);
$userSession = ServiceLocator::GetServer()->GetUserSession();
$this->smarty->assign('Charset', $resources->Charset);
$this->smarty->assign('CurrentLanguage', $resources->CurrentLanguage);
$this->smarty->assign('HtmlLang', $resources->HtmlLang);
$this->smarty->assign('HtmlTextDirection', $resources->TextDirection);
$this->smarty->assign('Title', 'Booked - ' . $resources->GetString($titleKey));
$this->smarty->assign('CalendarJSFile', $resources->CalendarLanguageFile);
$this->smarty->assign('LoggedIn', $userSession->IsLoggedIn());
$this->smarty->assign('Version', Configuration::VERSION);
$this->smarty->assign('Path', $this->path);
$this->smarty->assign('ScriptUrl', Configuration::Instance()->GetScriptUrl());
$this->smarty->assign('UserName', !is_null($userSession) ? $userSession->FirstName : '');
$this->smarty->assign('DisplayWelcome', $this->DisplayWelcome());
$this->smarty->assign('UserId', $userSession->UserId);
$this->smarty->assign('CanViewAdmin', $userSession->IsAdmin);
$this->smarty->assign('CanViewGroupAdmin', $userSession->IsGroupAdmin);
$this->smarty->assign('CanViewResourceAdmin', $userSession->IsResourceAdmin);
$this->smarty->assign('CanViewScheduleAdmin', $userSession->IsScheduleAdmin);
$this->smarty->assign('CanViewResponsibilities', !$userSession->IsAdmin && ($userSession->IsGroupAdmin || $userSession->IsResourceAdmin || $userSession->IsScheduleAdmin));
$allowAllUsersToReports = Configuration::Instance()->GetSectionKey(ConfigSection::REPORTS, ConfigKeys::REPORTS_ALLOW_ALL, new BooleanConverter());
$this->smarty->assign('CanViewReports', ($allowAllUsersToReports || $userSession->IsAdmin || $userSession->IsGroupAdmin || $userSession->IsResourceAdmin || $userSession->IsScheduleAdmin));
$timeout = Configuration::Instance()->GetKey(ConfigKeys::INACTIVITY_TIMEOUT);
if (!empty($timeout))
{
$this->smarty->assign('SessionTimeoutSeconds', max($timeout, 1) * 60);
}
$this->smarty->assign('ShouldLogout', $this->GetShouldAutoLogout());
$this->smarty->assign('CssExtensionFile', Configuration::Instance()->GetKey(ConfigKeys::CSS_EXTENSION_FILE));
$this->smarty->assign('UseLocalJquery', Configuration::Instance()->GetKey(ConfigKeys::USE_LOCAL_JQUERY, new BooleanConverter()));
$this->smarty->assign('EnableConfigurationPage', Configuration::Instance()->GetSectionKey(ConfigSection::PAGES, ConfigKeys::PAGES_ENABLE_CONFIGURATION, new BooleanConverter()));
$this->smarty->assign('ShowParticipation', !Configuration::Instance()->GetSectionKey(ConfigSection::RESERVATION, ConfigKeys::RESERVATION_PREVENT_PARTICIPATION, new BooleanConverter()));
$this->smarty->assign('LogoUrl', 'booked.png');
if (file_exists($this->path . 'img/custom-logo.png'))
{
$this->smarty->assign('LogoUrl','custom-logo.png');
}
if (file_exists($this->path . 'img/custom-logo.gif'))
{
$this->smarty->assign('LogoUrl','custom-logo.gif');
}
if (file_exists($this->path . 'img/custom-logo.jpg'))
{
$this->smarty->assign('LogoUrl','custom-logo.jpg');
}
$this->smarty->assign('CssUrl', 'null-style.css');
if (file_exists($this->path . 'css/custom-style.css'))
{
$this->smarty->assign('CssUrl','custom-style.css');
}
$logoUrl = Configuration::Instance()->GetKey(ConfigKeys::HOME_URL);
if (empty($logoUrl))
{
$logoUrl = $this->path . Pages::UrlFromId($userSession->HomepageId);
}
$this->smarty->assign('HomeUrl', $logoUrl);
}
protected function SetTitle($title)
{
$this->smarty->assign('Title', $title);
}
public function Redirect($url)
{
if (!BookedStringHelper::StartsWith($url, $this->path))
{
$url = $this->path . $url;
}
$url = str_replace('&', '&', $url);
header("Location: $url");
die();
}
public function RedirectResume($url)
{
if (!BookedStringHelper::StartsWith($url, $this->path))
{
$url = $this->path . $url;
}
header("Location: $url");
die();
}
public function RedirectToError($errorMessageId = ErrorMessages::UNKNOWN_ERROR, $lastPage = '')
{
if (empty($lastPage))
{
$lastPage = $this->GetLastPage();
}
$errorPageUrl = sprintf("%serror.php?%s=%s&%s=%s", $this->path, QueryStringKeys::MESSAGE_ID, $errorMessageId, QueryStringKeys::REDIRECT, urlencode($lastPage));
$this->Redirect($errorPageUrl);
}
public function GetLastPage($defaultPage = '')
{
$referer = getenv("HTTP_REFERER");
if (empty($referer))
{
return empty($defaultPage) ? Pages::LOGIN : $defaultPage;
}
$scriptUrl = Configuration::Instance()->GetScriptUrl();
$page = str_ireplace($scriptUrl, '', $referer);
return ltrim($page, '/');
}
public function DisplayWelcome()
{
return true;
}
/**
* Returns whether or not the user has been authenticated
*
* @return bool
*/
public function IsAuthenticated()
{
return !is_null($this->server->GetUserSession()) && $this->server->GetUserSession()->IsLoggedIn();
}
/**
* Returns whether or not the page is currently posting back to itself
*
* @return bool
*/
public function IsPostBack()
{
return !empty($_POST);
}
/**
* Registers a Validator with the page
*
* @param int|string $validatorId
* @param IValidator $validator
*/
public function RegisterValidator($validatorId, $validator)
{
$this->smarty->Validators->Register($validatorId, $validator);
}
/**
* Whether or not the current page is valid when checked against all registered validators
*
* @return bool
*/
public function IsValid()
{
return $this->smarty->IsValid();
}
/**
* @param string $var
* @param string $value
* @return void
*/
public function Set($var, $value)
{
$this->smarty->assign($var, $value);
}
/**
* @param string $var
* @return string
*/
protected function GetVar($var)
{
return $this->smarty->getTemplateVars($var);
}
/**
* @param string $var
* @return null|string
*/
protected function GetForm($var)
{
return $this->server->GetForm($var);
}
/**
* @param string $var
* @return null
*/
protected function GetRawForm($var)
{
return $this->server->GetRawForm($var);
}
/**
* @param string $key
* @return null|string
*/
protected function GetQuerystring($key)
{
return $this->server->GetQuerystring($key);
}
/**
* @param string $objectToSerialize
* @param string|null $error
* @return void
*/
protected function SetJson($objectToSerialize, $error = null)
{
header('Content-type: application/json');
if (empty($error))
{
$this->Set('data', json_encode($objectToSerialize));
} else
{
$this->Set('error', json_encode(array('response' => $objectToSerialize, 'errors' => $error)));
}
$this->smarty->display('json_data.tpl');
}
/**
* @param string $objectToSerialize
* @return void
*/
protected function SetJsonError($objectToSerialize)
{
header('Content-type: application/json');
header('HTTP/1.1 500 Internal Server Error');
$this->Set('data', json_encode($objectToSerialize));
$this->smarty->display('json_data.tpl');
}
/**
* A template file to be displayed
* @param string $templateName
*/
protected function Display($templateName)
{
$this->smarty->display($templateName);
}
protected function DisplayCsv($templateName, $fileName)
{
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private", false);
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=$fileName;");
header("Content-Transfer-Encoding: binary");
echo chr(239) . chr(187) . chr(191);
$this->Display($templateName);
}
/**
* @param string $templateName
* @param null $languageCode uses current language is nothing is passed in
*/
protected function DisplayLocalized($templateName, $languageCode = null)
{
if (empty($languageCode))
{
$languageCode = $this->GetVar('CurrentLanguage');
}
$localizedPath = ROOT_DIR . 'lang/' . $languageCode;
$defaultPath = ROOT_DIR . 'lang/en_us/';
if (file_exists($localizedPath . '/' . $templateName))
{
$this->smarty->AddTemplateDirectory($localizedPath);
}
else
{
$this->smarty->AddTemplateDirectory($defaultPath);
}
$this->Display($templateName);
}
protected function GetShouldAutoLogout()
{
$timeout = $this->GetVar('SessionTimeoutSeconds');
return !empty($timeout);
}
}