<?php

/*

 * Created by Martin Wernståhl on 2010-01-02.

 * Copyright (c) 2010 Martin Wernståhl.

 * All rights reserved.

 */



/**

 * 

 */

class Page extends Base_Controller

{

	// Current user

	public $user = false;



	// All groups

	protected $groups = false;

	



	protected $installed_tagmanagers = array(

			'Pages',

			'Archives',

			'Category',

	);



//	protected $default_page_view = 			'default/page';

//	protected $default_navigation_view = 	'default/navigation';

//	protected $default_categories_view = 	'default/categories';

//	protected $default_archives_view = 		'default/archives';



	public $uri_segment;

	

	function index()

	{

		// Real URI segments : See URI problem below

		$this->uri_segment = func_get_args();

		

	// URI SEGMENT PROBLEM 

	// trace($this->uri_segment[1]);

	// trace($this->uri->segment(4));	

	// END URI SEG PROB

		

		$this->load->model('page_model');



		require_once APPPATH.'libraries/ftl/parser.php';

		require_once APPPATH.'libraries/ftl/arraycontext.php';



		require_once APPPATH.'libraries/Tagmanager.php';



		require_once APPPATH.'libraries/Tagmanager/Page.php';

		require_once APPPATH.'libraries/Tagmanager/Element.php';

		require_once APPPATH.'libraries/Tagmanager/Form.php';

		require_once APPPATH.'libraries/Tagmanager/Login.php';

		

		// Context

		$c = new FTL_ArrayContext();

			

		// Get all groups

		$this->groups = $this->connect->model->get_groups();

		

		// Get the current user (used by autorization filtering)

		if ($this->connect->logged_in())

			$this->user = $this->connect->get_current_user();



		/* Add all pages to the context : Usefull for having just one request for Pages result 

		 * wich will be used by Page Tag manager and Navigation manager.

		 */

		$pages = $this->page_model->get_lang_list(false, Settings::get_lang());



		/* Spread authorizations from parents pages to chidrens.

		 * This adds the group ID to the childrens pages of a protected page

		 * If you don't want this, just uncomment this line.

		 */

		$this->page_model->spread_authorizations($pages);



		// Not needed for the moment.

		// Think about a further implementation.

		// $this->access->restrict();



		// Filter pages regarding the authorizations

		$pages = array_values(array_filter($pages, array($this, '_filter_authorization')));

		

		// get special tag manager:

		if(in_array($file = ucfirst(strtolower($this->uri->segment(3))), $this->installed_tagmanagers))

		{

			if (is_file(APPPATH.'libraries/Tagmanager/'.$file.EXT))

			{

				require_once APPPATH.'libraries/Tagmanager/'.$file.EXT;

			

				$class = 'TagManager_'.$file;

			

				$m = new $class($this, $c, $pages);

			}

		}

		// Standard page tag manager

		else

		{

			// Page tag manager

			$m = new TagManager_Page($this, $c, $pages);

			$m->add_globals($c);

			$m->add_tags($c);



			// Element tag manager

			$f = new TagManager_Element($this);

			$f->add_globals($c);

			$f->add_tags($c);

			

			// Form tag manager

			$f = new TagManager_Form($this);

			$f->add_globals($c);

			$f->add_tags($c);

			

			// Login tag manager

			$l = new TagManager_Login($this);

			$l->add_globals($c);

			$l->add_tags($c);

		}

		

		// Add tags from modules

		// Automatically add each function of the class [Your_module]_Tags defined in the [your_module]/libraries/tags.php

		TagManager::add_plugin_tags($c);



		// Get the asked page

		$page = $c->globals->page;



		/*

		 * If asked page is a link to another page, redirect to the linked one

		 */

		if ( ! empty($c->globals->page['link']))

		{

			// Online languages are defined by MY_Controller

			$lang = (count(Settings::get_online_languages()) > 1 ) ? Settings::get_lang('current').'/' : '';



			$domain = (!empty($c->globals->page['link_type'])  && $c->globals->page['link_type'] == 'external') ? '' : base_url();



			redirect($domain.$lang.$c->globals->page['link']);

		}



		// Get the page view

		$view = ($c->globals->page['view'] != false) ? $c->globals->page['view'] : Theme::get_default_view('page');



		// Outputs the page view with Base_Controller2->render()

		$this->render($view, $c);

	}





	private function _filter_authorization($row)

	{

		// If the page group != 0, then get the page group and check the restriction

		if($row['id_group'] != 0)

		{

			$page_group = false;

			

			// Get the page group

			foreach($this->groups as $group)

			{

				if ($group['id_group'] == $row['id_group']) $page_group = $group;

			} 



			// If the current connected user has access to the page return true

			if ($this->user !== false && $page_group != false && $this->user['group']['level'] >= $page_group['level'])

				return true;

			

			// If nothing found, return false

			return false;

		}

		return true;

	}

}





/* End of file page.php */

/* Location: ./application/controllers/page.php */