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

266 lines
8.9 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
// including files
require_once '../inc/global.inc.php';
$ctok = Security::get_existing_token();
// Get Limit data
$limit = getLimitArray();
// Section for the tabs.
$this_section = SECTION_COURSES;
if (api_get_configuration_value('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'
);
$action = CoursesAndSessionsCatalog::is(CATALOG_SESSIONS) ? 'display_sessions' : 'display_random_courses';
if (isset($_GET['action']) && in_array($_GET['action'], $actions)) {
$action = Security::remove_XSS($_GET['action']);
}
$categoryCode = isset($_GET['category_code']) ? $_GET['category_code'] : '';
$nameTools = getCourseCatalogNameTools($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($_GET['course'])) {
if ($ctok == $_GET['sec_token']) {
$courses_controller->move_course($_GET['move'], $_GET['course'], $_GET['category']);
}
}
if (isset($_GET['category']) && !$_GET['course']) {
if ($ctok == $_GET['sec_token']) {
$courses_controller->move_category($_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, $limit);
}
}
// Subscribe user to course
if (isset($_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'])) {
if ($ctok == $_GET['sec_token']) {
$courses_controller->unsubscribe_user_from_course($_GET['unsubscribe'], $_GET['search_term'], $categoryCode);
//$message = remove_user_from_course($_user['user_id'], $_POST['unsubscribe']);
}
}
// We are unsubscribing from a course (=Unsubscribe from course).
if (isset($_POST['unsubscribe'])) {
if ($ctok == $_POST['sec_token']) {
$courses_controller->unsubscribe_user_from_course($_POST['unsubscribe']);
//$message = remove_user_from_course($_user['user_id'], $_POST['unsubscribe']);
}
}
switch ($action) {
case 'subscribe_user_with_password':
$courses_controller->subscribe_user(
$_POST['subscribe_user_with_password'],
$_POST['search_term'],
$_POST['category_code']
);
exit;
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':
$courses_controller->courses_categories(
$action,
$categoryCode,
null,
null,
null,
$limit
);
break;
case 'display_random_courses':
if ($user_can_view_page) {
$courses_controller->courses_categories($action);
} else {
api_not_allowed();
}
break;
case 'display_courses':
$courses_controller->courses_categories(
$action,
$categoryCode,
null,
null,
null,
$limit
);
break;
case 'display_sessions':
$courses_controller->sessionsList($action, $nameTools, $limit);
break;
case 'subscribe_to_session':
$registrationAllowed = api_get_setting('catalog_allow_session_auto_subscription');
if ($registrationAllowed === 'true') {
$entityManager = Database::getManager();
$repository = $entityManager->getRepository('ChamiloCoreBundle:SequenceResource');
$sequences = $repository->getRequirements(
$_GET['session_id'],
SequenceResource::SESSION_TYPE
);
if (count($sequences) > 0) {
$requirementsData = SecuenceResourceManager::checkRequirementsForUser(
$sequences,
api_get_user_id(),
SequenceResource::SESSION_TYPE
);
$continueWithSubscription = SecuenceResourceManager::checkSequenceAreCompleted($requirementsData);
if (!$continueWithSubscription) {
header('Location: ' . api_get_path(WEB_CODE_PATH) . 'auth/courses.php');
exit;
}
}
SessionManager::suscribe_users_to_session(
$_GET['session_id'],
array($_GET['user_id'])
);
$coursesList = SessionManager::get_course_list_by_session_id($_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':
$courses_controller->sessionsListByCoursesTag($limit);
break;
}