chamilo-lms/src/ChamiloLMS/Controller/UserPortalController.php

<?php
/* For licensing terms, see /license.txt */

namespace ChamiloLMS\Controller;

use Silex\Application;
use \ChamiloSession as Session;
use Symfony\Component\HttpFoundation\Response;

/**
 * Class UserPortalController
 * @package ChamiloLMS\Controller
 * @todo Improve this class in order to use better helpers and not just call the page_controller service
 * @author Julio Montoya <gugli100@gmail.com>
 */
class UserPortalController extends CommonController
{
    /**
     * @param Application $app
     * @param string $type courses|sessions|mycoursecategories
     * @param string $filter for the userportal courses page. Only works when setting 'history'
     * @param int $page
     *
     * @return Response|void
     */
    public function indexAction(Application $app, $type = 'courses', $filter = 'current', $page = 1)
    {
        $this->cidReset();

        //@todo Use filters like "after/before|finish" to manage user access
        api_block_anonymous_users();
        //Abort request because the user is not allowed here - @todo use filters
        if ($app['allowed'] == false) {
            return $app->abort(403, 'Not allowed');
        }

        // Check if a user is enrolled only in one course for going directly to the course after the login.
        if (api_get_setting('go_to_course_after_login') == 'true') {
            $this->redirectAfterLogin();
        }

        // Main courses and session list
        $items = null;
        $type = str_replace('/', '', $type);

        /** var $pageController \PageController */
        $pageController = $app['page_controller'];

        switch ($type) {
            case 'sessions':
                $items = $app['page_controller']->returnSessions(api_get_user_id(), $filter, $page);
                break;
            case 'sessioncategories':
                $items = $app['page_controller']->returnSessionsCategories(api_get_user_id(), $filter, $page);
                break;
            case 'courses':
                $items = $app['page_controller']->returnCourses(api_get_user_id(), $filter, $page);
                break;
            case 'mycoursecategories':
                $items = $app['page_controller']->returnMyCourseCategories(api_get_user_id(), $filter, $page);
                break;
            case 'specialcourses':
                $items = $app['page_controller']->returnSpecialCourses(api_get_user_id(), $filter, $page);
                break;
        }

        //Show the chamilo mascot
        if (empty($items) && empty($filter)) {
            $app['page_controller']->return_welcome_to_course_block($app['template']);
        }

        /*
        $app['my_main_menu'] = function($app) {
            $menu = $app['knp_menu.factory']->createItem('root');
            $menu->addChild('Home', array('route' => api_get_path(WEB_CODE_PATH)));
            return $menu;
        };
        $app['knp_menu.menus'] = array('main' => 'my_main_menu');*/
        $app['template']->assign('content', $items);
        $app['page_controller']->getSectionCourseBlock();
        $app['page_controller']->return_profile_block();
        $app['page_controller']->return_user_image_block();
        $app['page_controller']->return_course_block($filter);
        $app['page_controller']->return_reservation_block();
        $app['page_controller']->returnNavigationLinks($app['template']->getNavigationLinks());

        $app['template']->assign('search_block', $app['page_controller']->return_search_block());
        $app['template']->assign('classes_block', $app['page_controller']->return_classes_block());
        $app['page_controller']->return_skills_links();

        // Deleting the session_id.
        Session::erase('session_id');

        $response = $app['template']->render_template('userportal/index.tpl');

        //return new Response($response, 200, array('Cache-Control' => 's-maxage=3600, private'));
        return new Response($response, 200, array());
    }

    /**
     * Redirects after login
     */
    public function redirectAfterLogin()
    {
        // Get the courses list
        $personal_course_list = \UserManager::get_personal_session_course_list(api_get_user_id());

        $my_session_list = array();
        $count_of_courses_no_sessions = 0;
        $count_of_courses_with_sessions = 0;

        foreach ($personal_course_list as $course) {
            if (!empty($course['id_session'])) {
                $my_session_list[$course['id_session']] = true;
                $count_of_courses_with_sessions++;
            } else {
                $count_of_courses_no_sessions++;
            }
        }
        $count_of_sessions = count($my_session_list);

        if ($count_of_sessions == 1 && $count_of_courses_no_sessions == 0) {

            $key = array_keys($personal_course_list);
            $course_info = $personal_course_list[$key[0]];
            $id_session = isset($course_info['id_session']) ? $course_info['id_session'] : 0;

            $url = api_get_path(WEB_CODE_PATH).'session/?session_id='.$id_session;
            header('location:'.$url);
            exit;
        }

        if (!isset($_SESSION['coursesAlreadyVisited']) && $count_of_sessions == 0 && $count_of_courses_no_sessions == 1) {
            $key = array_keys($personal_course_list);
            $course_info = $personal_course_list[$key[0]];
            $course_directory = $course_info['course_info']['path'];
            $id_session = isset($course_info['id_session']) ? $course_info['id_session'] : 0;

            $url = api_get_path(WEB_COURSE_PATH).$course_directory.'/index.php?id_session='.$id_session;
            header('location:'.$url);
            exit;
        }
    }

    public function check_last_login()
    {
        /**
         * @todo This piece of code should probably move to local.inc.php where the actual login procedure is handled.
         * @todo Check if this code is used. I think this code is never executed because after clicking the submit button
         *       the code does the stuff in local.inc.php and then redirects to index.php or user_portal.php depending
         *       on api_get_setting('page_after_login').
         */
        if (!empty($_POST['submitAuth'])) {
            // The user has been already authenticated, we are now to find the last login of the user.
            if (!empty($this->user_id)) {
                $track_login_table = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
                $sql_last_login = "SELECT login_date
                                    FROM $track_login_table
                                    WHERE login_user_id = '".$this->user_id."'
                                    ORDER BY login_date DESC LIMIT 1";
                $result_last_login = Database::query($sql_last_login);
                if (!$result_last_login) {
                    if (Database::num_rows($result_last_login) > 0) {
                        $user_last_login_datetime = Database::fetch_array($result_last_login);
                        $user_last_login_datetime = $user_last_login_datetime[0];
                        Session::write('user_last_login_datetime', $user_last_login_datetime);
                    }
                }
                Database::free_result($result_last_login);

                if (api_is_platform_admin()) {
                    // decode all open event informations and fill the track_c_* tables
                    include api_get_path(LIBRARY_PATH).'stats.lib.inc.php';
                    decodeOpenInfos();
                }
            }
            // End login -- if ($_POST['submitAuth'])
        } else {
            // Only if login form was not sent because if the form is sent the user was already on the page.
            event_open();
        }
    }
}