/lenasys/trunk

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

 

        class Cms extends CI_Controller {

        

                /*

                 *      Constructor

                 */

                function __construct() {

                        parent::__construct();

                        //Load required library

                        $this->load->model('user', '', TRUE);

                        $this->load->model('admin/admin_model', '', TRUE);

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

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

                }

                

                /*

                 *      This function runs when the user navigates directly to this controller

                 */

                public function index() {

                        if($this->user->isLoggedIn()) {

                                //User already logged in

                                $this->drawCmsPage('');

                        } else {

                                //Display the start page

                                redirect(base_url().'home', 'refresh');

                        }

                }               

                

                /*

                 *      This function draws the cms page.

                 */

                private function drawCmsPage() {

                        $userName = $this->user->getUserName();

                        $userType = $this->user->getUserType();

                        $activeCourse = $this->user->getActiveCourse();

 

                        if($userName != "" && $userType == "Teacher") {

                                //Creates an array with all courses.

                                $courses = $this->admin_model->getCourses();

                        } elseif($userName != "" && $userType == "Student") {

                                $courses = $this->admin_model->getStudentCourses($userName);

                        } else {

                                $courses = $this->admin_model->getPublicCourses();

                        }

 

 

                        //Creates an array with all categories for active course

                        $categories = $this->admin_model->getCategories($activeCourse['courseID']);

                        

                        //Creates an array with the variables that the bannermenu-view is expecting.

                        $data = array(

                                'userType' => $userType,

                                'userName' => $userName,

                                'courses' => $courses,

                                'categories' => $categories,

                                'activeCourse' => $activeCourse

                        );

                        

                        //Creates an array with the variables that the cmsindex-view is expecting.

                        $filetree = array();

                        

                        //Categories

                        $categories = $this->filetree->getCategories($data['activeCourse']['courseID']);

                        foreach ($categories as $category) {

                                $filetree[$category->categoryName] = array();

                                

                                //Sub categories

                                $subcategories = $this->filetree->getSubCategories($category->categoryName, $data['activeCourse']['courseID']);

                                foreach ($subcategories as $subcategory) {

                                        $filetree[$category->categoryName][$subcategory->subCategoryName] = array();

                                        

                                        //Examples

                                        $filetree[$category->categoryName][$subcategory->subCategoryName]['examples'] = array();

                                        $examples = $this->filetree->getExamples($subcategory->subCategoryName, $category->categoryName, $data['activeCourse']['courseID']);

                                        foreach ($examples as $example) {

                                                $filetree[$category->categoryName][$subcategory->subCategoryName]['examples'][] = $example->exampleName;

                                        }

                                        

                                        //Quizzes

                                        $filetree[$category->categoryName][$subcategory->subCategoryName]['quizzes'] = array();

                                        $quizzes = $this->filetree->getQuizzes($subcategory->subCategoryName, $category->categoryName, $data['activeCourse']['courseID']);

                                        foreach ($quizzes as $quiz) {

                                                $filetree[$category->categoryName][$subcategory->subCategoryName]['quizzes'][] = $quiz->quizNr;

                                        }

                                }

                        }

                        

                        //Creates an array with the necessary css- and jsfiles needed for the views that are about to be shown.

                        $headTagData = array(

                                'cssFiles' => array('bannermenu', 'sidemenu', 'cmsindex'),

                                'jsFiles' => array('bannermenu', 'sidemenu')

                        );

                        

                        $stats = array(

                                'system' => $this->stats->getSystemStats(),

                                'course' => $this->stats->getCourseStats($data['activeCourse']['courseID']),

                                'user' => $this->stats->getUserStats()

                        );

                        $data['stats'] = $stats;

                        

                        //Puts the array above in <head></head>

                        $this->load->view('headTag', array('headTagData' => $headTagData));     

                        

                        $this->load->view('bannermenu', $data);

                        $this->load->view('sidemenu', $data);

                        $this->load->view('cmsindex', array('filetree' => $filetree));

                }

        }

?>