Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/auth/courses.php

331 lines
10 KiB

<?php
/* For licensing terms, see /license.txt */
use Chamilo\CoreBundle\Entity\SequenceResource;
/**
* Template (front controller in MVC pattern) used for distpaching
* to the controllers depend on the current action
* @author Christian Fasanando <christian1827@gmail.com> - Beeznest
* @package chamilo.auth
*/
// Delete the globals['_cid'], we don't need it here.
$cidReset = true; // Flag forcing the 'current course' reset
require_once __DIR__.'/../inc/global.inc.php';
$ctok = Security::get_existing_token();
// Get Limit data
$limit = CourseCategory::getLimitArray();
// Section for the tabs.
$this_section = SECTION_CATALOG;
if (api_get_setting('course_catalog_published') !== 'true') {
// Access rights: anonymous users can't do anything useful here.
api_block_anonymous_users();
}
$user_can_view_page = false;
//For students
if (api_get_setting('allow_students_to_browse_courses') === 'false') {
$user_can_view_page = false;
} else {
$user_can_view_page = true;
}
//For teachers/admins
if (api_is_platform_admin() || api_is_course_admin() || api_is_allowed_to_create_course()) {
$user_can_view_page = true;
}
// filter actions
$actions = array(
'sortmycourses',
'createcoursecategory',
'subscribe',
'deletecoursecategory',
'display_courses',
'display_random_courses',
'subscribe_user_with_password',
'display_sessions',
'subscribe_to_session',
'search_tag',
'search_session'
);
$action = CoursesAndSessionsCatalog::is(CATALOG_SESSIONS) ? 'display_sessions' : 'display_courses';
if (isset($_GET['action']) && in_array($_GET['action'], $actions)) {
$action = Security::remove_XSS($_GET['action']);
}
$categoryCode = isset($_GET['category_code']) && !empty($_GET['category_code']) ? $_GET['category_code'] : 'ALL';
$nameTools = CourseCategory::getCourseCatalogNameTools($action);
if (empty($nameTools)) {
$nameTools = get_lang('CourseManagement');
} else {
if (!in_array($action, array('sortmycourses', 'createcoursecategory', 'display_random_courses', 'display_courses', 'subscribe'))) {
$interbreadcrumb[] = array(
'url' => api_get_path(WEB_CODE_PATH).'auth/courses.php',
'name' => get_lang('CourseManagement'),
);
}
if ($action === 'createcoursecategory') {
$interbreadcrumb[] = array(
'url' => api_get_path(WEB_CODE_PATH).'auth/courses.php?action=sortmycourses',
'name' => get_lang('SortMyCourses'),
);
}
$interbreadcrumb[] = array('url' => '#', 'name' => $nameTools);
}
// course description controller object
$courses_controller = new CoursesController();
// We are moving a course or category of the user up/down the list (=Sort My Courses).
if (isset($_GET['move'])) {
if (isset($_GET['course'])) {
$courses_controller->move_course(
$_GET['move'],
$_GET['course'],
$_GET['category']
);
}
if (isset($_GET['category']) && !$_GET['course']) {
$courses_controller->move_category($_GET['move'], $_GET['category']);
}
}
// We are moving the course of the user to a different user defined course category (=Sort My Courses).
if (isset($_POST['submit_change_course_category'])) {
if ($ctok == $_POST['sec_token']) {
$courses_controller->change_course_category(
$_POST['course_2_edit_category'],
$_POST['course_categories']
);
}
}
// We edit course category
if (isset($_POST['submit_edit_course_category']) &&
isset($_POST['title_course_category']) &&
strlen(trim($_POST['title_course_category'])) > 0
) {
if ($ctok == $_POST['sec_token']) {
$courses_controller->edit_course_category(
$_POST['title_course_category'],
$_POST['edit_course_category']
);
}
}
// we are deleting a course category
if ($action == 'deletecoursecategory' && isset($_GET['id'])) {
if ($ctok == $_GET['sec_token']) {
$get_id_cat = intval($_GET['id']);
$courses_controller->delete_course_category($get_id_cat);
}
}
// We are creating a new user defined course category (= Create Course Category).
if (isset($_POST['create_course_category']) &&
isset($_POST['title_course_category']) &&
strlen(trim($_POST['title_course_category'])) > 0
) {
if ($ctok == $_POST['sec_token']) {
$courses_controller->add_course_category($_POST['title_course_category']);
}
}
// search courses
if (isset($_REQUEST['search_course'])) {
if ($ctok == $_REQUEST['sec_token']) {
$courses_controller->search_courses($_REQUEST['search_term'], null, null, null, $limit, true);
}
}
// Subscribe user to course
if (isset($_REQUEST['subscribe_course'])) {
if ($ctok == $_GET['sec_token']) {
$courses_controller->subscribe_user(
$_GET['subscribe_course'],
$_GET['search_term'],
$categoryCode
);
}
}
// We are unsubscribing from a course (=Unsubscribe from course).
if (isset($_GET['unsubscribe'])) {
$search_term = isset($_GET['search_term']) ? $_GET['search_term'] : null;
if ($ctok == $_GET['sec_token']) {
$courses_controller->unsubscribe_user_from_course($_GET['unsubscribe'], $search_term, $categoryCode);
}
}
// We are unsubscribing from a course (=Unsubscribe from course).
if (isset($_POST['unsubscribe'])) {
if ($ctok == $_POST['sec_token']) {
$courses_controller->unsubscribe_user_from_course($_POST['unsubscribe']);
}
}
switch ($action) {
case 'subscribe_user_with_password':
$courses_controller->subscribe_user(
isset($_POST['subscribe_user_with_password']) ? $_POST['subscribe_user_with_password'] : '',
isset($_POST['search_term']) ? $_POST['search_term'] : '',
isset($_POST['category_code']) ? $_POST['category_code'] : ''
);
break;
case 'createcoursecategory':
$courses_controller->categories_list($action);
break;
case 'deletecoursecategory':
$courses_controller->courses_list($action);
break;
case 'sortmycourses':
$courses_controller->courses_list($action);
break;
case 'subscribe':
if (!$user_can_view_page) {
api_not_allowed(true);
}
if (!CoursesAndSessionsCatalog::is(CATALOG_SESSIONS)) {
$courses_controller->courses_categories(
$action,
$categoryCode,
null,
null,
null,
$limit
);
} else {
header('Location: ' . api_get_self());
exit;
}
break;
case 'display_random_courses':
if (!$user_can_view_page) {
api_not_allowed(true);
}
$courses_controller->courses_categories($action);
break;
case 'display_courses':
if (!$user_can_view_page) {
api_not_allowed(true);
}
$courses_controller->courses_categories(
$action,
$categoryCode,
null,
null,
null,
$limit
);
break;
case 'display_sessions':
if (!$user_can_view_page) {
api_not_allowed(true);
}
$courses_controller->sessionsList($action, $nameTools, $limit);
break;
case 'subscribe_to_session':
if (!$user_can_view_page) {
api_not_allowed(true);
}
$userId = api_get_user_id();
$confirmed = isset($_GET['confirm']);
$sessionId = intval($_GET['session_id']);
if (empty($userId)) {
api_not_allowed();
exit;
}
if (!$confirmed) {
$template = new Template(null, false, false, false, false, false);
$template->assign('session_id', $sessionId);
$layout = $template->get_template('auth/confirm_session_subscription.tpl');
echo $template->fetch($layout);
exit;
}
$registrationAllowed = api_get_setting('catalog_allow_session_auto_subscription');
if ($registrationAllowed === 'true') {
$entityManager = Database::getManager();
$repository = $entityManager->getRepository('ChamiloCoreBundle:SequenceResource');
$sequences = $repository->getRequirements(
$sessionId,
SequenceResource::SESSION_TYPE
);
if (count($sequences) > 0) {
$requirementsData = SequenceResourceManager::checkRequirementsForUser(
$sequences,
SequenceResource::SESSION_TYPE,
$userId
);
$continueWithSubscription = SequenceResourceManager::checkSequenceAreCompleted($requirementsData);
if (!$continueWithSubscription) {
header('Location: ' . api_get_path(WEB_CODE_PATH) . 'auth/courses.php');
exit;
}
}
SessionManager::subscribe_users_to_session(
$_GET['session_id'],
array($userId),
SESSION_VISIBLE_READ_ONLY,
false
);
$coursesList = SessionManager::get_course_list_by_session_id($_GET['session_id']);
$count = count($coursesList);
$url = '';
if ($count <= 0) {
// no course in session -> return to catalog
$url = api_get_path(WEB_CODE_PATH) . 'auth/courses.php';
} elseif ($count == 1) {
// only one course, so redirect directly to this course
foreach ($coursesList as $course) {
$url = api_get_path(WEB_COURSE_PATH) . $course['directory'] . '/index.php?id_session=' . intval($_GET['session_id']);
}
} else {
$url = api_get_path(WEB_CODE_PATH) . 'session/index.php?session_id=' . intval($_GET['session_id']);
}
header('Location: ' . $url);
exit;
}
//else show error message?
break;
case 'search_tag':
if (!$user_can_view_page) {
api_not_allowed(true);
}
$courses_controller->sessionsListByCoursesTag($limit);
break;
case 'search_session':
if (!$user_can_view_page) {
api_not_allowed(true);
}
$courses_controller->sessionListBySearch($limit);
break;
}