/lib/Weblynx/Controllers/Base.php

<?php

class Weblynx_Controllers_Base extends Zend_Controller_Action

{

	/**

	 * DB connection

	 */

	protected $db;



	/**

	 * DataMappers

	 */

	protected $dbMapper;

	

	/**

	 * Config Object

	 */

	protected $config;



	/**

	 * User object

	 */

	protected $user = null;

	

	/*

	 * Shorthand of $this->getRequest();

	 */

    protected $req;

    

    /**

	 * SESSION object

	 */

	protected $session;



	/**

	 * Perform generic init for controllers

	 *

	 *  - Sets up config+view objects

	 *  - creates navigation structure

	 *

	 */

	public function init()

	{

		// set the current path

		$currentPath = rtrim($this->getRequest()->getPathInfo(), '/');

		if(!$currentPath){

			$currentPath = '/';

		}

		

		if(str_replace('/', '', $currentPath) == 'admin') {

		  $this->_redirect('/admin/login.php');

		}



		// setup config object

		$this->config = Zend_Registry::get('config');



		// setup db

		$this->db  = Zend_Db::factory($this->config->database->weblynx);

		$this->dbMapper = new Weblynx_DataMappers_General($this->db);



		// if were in development mode, send unrouted requests to a holding page		

		if($this->config->development->mode == 'development') {

    		if($currentPath == '/') {

                $this->_redirect('/index.html');

			}

		}



        // setup the session

        Zend_Session::start();

        $this->session = new Zend_Session_Namespace();

        

		// setup the view

		$this->view = new Zend_View();

		$this->view->setScriptPath($this->config->paths->base . DIRECTORY_SEPARATOR . 'templates');



		$this->view->currentPath = $currentPath;

		$this->view->headJs = array();

		$this->view->js     = array();

		$this->view->css    = array();

		

		// set the current controller and action into to view

		$this->view->controller    = $this->getRequest()->getControllerName();

		$this->view->currentaction = $this->getRequest()->getActionName();

		        

        // create a shorthand verison of the $this->getRequest();

        $this->req = $this->getRequest();

        

        $navType = $this->config->settings->nav;

        

                // lets get the nav built up and sent to the view if were not in the admin panel

        if($this->view->controller != 'pagebuilder') {

            $currentpage = $this->req->getParam('currentpage', 'index');

            $useStrpos   = false;

            

            // is this page a subpage?

            $pageinfo = $this->dbMapper->getPageByPermalink($currentpage);

            if($pageinfo['parent'] != 0) {

                $parentInfo = $this->dbMapper->getPage($pageinfo['parent']);

                

                $currentpage = $parentInfo['permalink'];

            }

            

            // is this page not a CMS page but a plugin?

            if($this->view->controller != 'index') {

                $currentpage = $_SERVER['REQUEST_URI'];

                $useStrpos   = true;

            }

            

            if($navType == 'dynamic') {

                $nav = $this->buildNavigation(false, $currentpage, $useStrpos);

                $this->view->nav = $nav;

            } else {

                $this->view->currentPage = $currentpage;

                $this->view->nav = $this->view->render('nav.phtml');

            }

        }

        

        // was a form posted on the page thats errored?

        if(isset($this->session->formdata)) {

            $formdata = $this->session->formdata;

            unset($this->session->formdata);

            

            $this->view->formdata = $formdata;

        }

	}

    

		/**

	 * Build the navigation structure

	 */

    public function buildNavigation($parentonly = true, $currentpage, $strpos = false) {

        $parent    = $parentonly ? 0 : false;

        $published = 1;

                

        $pages = $this->dbMapper->getPages($parent, $published);

        

        $nav = '';

        foreach($pages as $page) {

            if(!$strpos) {

                $class = ($page['permalink'] == $currentpage) ? ' class="current"' : '';

            } else {

                $class = (strpos($currentpage, $page['permalink']) !== false) ? ' class="current"' : '';

            }

            

            if($page['permalink'] == 'index') {

                $nav .= sprintf('<li%s><a href="/">%s</a></li>', $class, $page['menu_text']);

            } else {

                $prependView = $page['type'] == 'page' ? '/view/' : '';

                $nav .= sprintf('<li%s><a href="%s%s">%s</a></li>', $class, $prependView, $page['permalink'], $page['menu_text']);

            }

        }

        

        return $nav;



    }

    

	/**

	 * Render the $template view

	 *

	 */

	public function renderView($template = "main.phtml")

	{

        // if there were errors, then these session variables have data (send it to the view)

        //$this->view->formErrors = Smart::ifsetor($_SESSION['formErrors'], null);

        //$this->view->prevPost   = Smart::ifsetor($_SESSION['prevPost'], null);

        

        // Get all our stuff into the template

        $this->getResponse()->appendBody($this->view->render($template));



        // clear the session vars after rendering

        unset($_SESSION['prevPost']);

        unset($_SESSION['formErrors']);

	}



	/**

	 * Generate and set a CSRF token (in the session data)

	 *

	 * @return string The token

	 */

	public function createCsrfToken()

	{

		$token = md5(uniqid(rand(), TRUE));

		$time  = time();



		$_SESSION['csrf_tokens'][$token] = $time;



		return $token;

	}



	/**

	 * Check a $toCheck CSRF token against the value stored in the session

	 *

	 * @param  $toCheck

	 * @return boolean Whether the CSRF passed or not

	 */

	public function checkCsrfToken($toCheck, $maxAge = 10800)

	{

		$tokens = isset($_SESSION['csrf_tokens']) ? $_SESSION['csrf_tokens'] : array();



		if(isset($tokens[$toCheck])){



			// one-time use

			unset($_SESSION['csrf_tokens'][$toCheck]);



			$time = $tokens[$toCheck];

			$age = time() - $time;



			if(($age < $maxAge)){

				return true;

			}else{

				return false;

			}

		}

		return false;

	}



	/**

	 * Checks if the user is logged in or not

	 *

	 * @return boolean

	 */

	public function isLoggedIn()

	{

		// if the session variable is set, assume that user

		if(isset($_SESSION) && $_SESSION['user_id']){

			$this->user = $_SESSION;

			return true;

		}else{

			return false;

		}

	}



	/**

	 * turns a mysql result set into a valid key=>value array set ready for makeOptions

	 *

	 * @return array

	 */

	public function mysqlValuesToOptions($data, $key, $value) {

		$return = array();



		foreach($data as $option) {

			$return[$option[$key]] = $option[$value];

		}



		return $return;

	}

}