Core/Modules/admin/classes/class.page_loader.php

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<?php
/**
* FuzeWorks.
*
* The FuzeWorks MVC PHP FrameWork
*
* Copyright (C) 2015 TechFuze
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
* @author TechFuze
* @copyright Copyright (c) 2013 - 2016, Techfuze. (http://techfuze.net)
* @copyright Copyright (c) 1996 - 2015, Free Software Foundation, Inc. (http://www.fsf.org/)
* @license http://opensource.org/licenses/GPL-3.0 GPLv3 License
*
* @link http://fuzeworks.techfuze.net
* @since Version 0.0.1
*
* @version Version 0.0.1
*/
namespace Module\Admin;
use FuzeWorks\Logger;
use FuzeWorks\Layout;
use FuzeWorks\Modules;
class PageLoader
{
private static $pageList;
private static $activePage;
private static $html;
private static $breadcrumbs = array();
private static $title;
/**
* Set the pageList.
*
* @param PageList $pageList PageList
*/
public static function setPageList($pageList)
{
self::$pageList = $pageList;
}
public static function loadPage($matches)
{
// First check if any data is given at all
Logger::newLevel('Retrieving page from module');
if (!isset($matches['identifier']) && !isset($matches['page'])) {
// If nothing is provided, load the dashboard
Logger::log('No input retrieved. Loading dashboard');
return self::dashboard();
} elseif (!isset($matches['identifier']) || !isset($matches['page'])) {
// If incomplete data is provided, load a 404
Logger::log('Invalid input retrieved. Loading 404 not found page');
return self::error404();
}
// If enough data is provided, try and load a page
Logger::log('Input received. Attempting to find page');
$unique_identifier = $matches['identifier'].'/'.$matches['page'];
if (isset(self::$pageList->pages[$unique_identifier])) {
// Page found, start loading process
$page = self::$pageList->getPage($unique_identifier);
// Load the designated module
$module = Modules::get($page->getModule());
// Check if it implements the PageRouterInterface
if (method_exists($module, 'getAdminRouter')) {
$router = $module->getAdminRouter();
// Then check if the router is valid, if not, return 500
if (!$router instanceof PageRouterInterface) {
Logger::logError("Could not load '".$unique_identifier."' on module '".$page->getModule()."'. ".get_class($router)." does not implement \Module\Admin\PageRouterInterface");
return self::error500();
}
// Route the request into the module
Logger::log('Input valid and module loaded. Attempting to route request');
// Generating page object
$pageObject = new Page();
$pageObject->setPagePath($matches['page']);
$pageObject->setSubPath((isset($matches['subdata']) ? $matches['subdata'] : null));
// And send it
$router->importPage($pageObject);
$router->route();
// And retrieve it
$pageObject = $router->getPage();
// And retrieve some data
self::$html = $pageObject->getHtml();
// $html = $pageObject->getHtml();
Logger::stopLevel();
return '';
} else {
// Error, router does not exist
Logger::logError("Could not load '".$unique_identifier."' on module '".$page->getModule()."'. ".get_class($module).' does not implement method getAdminRouter()');
Logger::stopLevel();
return self::error500();
}
}
Logger::log('Matching page was not found. Loading 404 not found page');
Logger::stopLevel();
return self::error404();
}
public static function getHtml()
{
return self::$html;
}
public static function getActivePage()
{
return 'fuzeadmin/testPage';
}
public static function dashboard()
{
}
public static function error404()
{
Logger::http_error(404, false);
return Layout::get('404');
}
public static function error500()
{
Logger::http_error(500, false);
return Layout::get('500');
}
}