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

385 lines
14 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* View (MVC patter) for courses categories.
*
* @author Christian Fasanando <christian1827@gmail.com> - Beeznest
*
* @package chamilo.auth
*/
if (isset($_REQUEST['action']) && Security::remove_XSS($_REQUEST['action']) !== 'subscribe') {
$stok = Security::get_token();
} else {
$stok = Security::getTokenFromSession();
}
$action = !empty($_REQUEST['action']) ? Security::remove_XSS($_REQUEST['action']) : 'display_courses';
global $actions;
$action = in_array($action, $actions) ? $action : 'display_courses';
$showCourses = CoursesAndSessionsCatalog::showCourses();
$showSessions = CoursesAndSessionsCatalog::showSessions();
$pageCurrent = isset($pageCurrent) ? $pageCurrent : isset($_GET['pageCurrent']) ? intval($_GET['pageCurrent']) : 1;
$pageLength = isset($pageLength) ? $pageLength : isset($_GET['pageLength']) ? intval($_GET['pageLength']) : CoursesAndSessionsCatalog::PAGE_LENGTH;
$pageTotal = intval(ceil(intval($countCoursesInCategory) / $pageLength));
$cataloguePagination = $pageTotal > 1 ? CourseCategory::getCatalogPagination($pageCurrent, $pageLength, $pageTotal) : '';
$searchTerm = isset($_REQUEST['search_term']) ? Security::remove_XSS($_REQUEST['search_term']) : '';
$codeType = isset($_REQUEST['category_code']) ? Security::remove_XSS($_REQUEST['category_code']) : '';
if ($showSessions && isset($_POST['date'])) {
$date = $_POST['date'];
} else {
$date = date('Y-m-d');
}
$userInfo = api_get_user_info();
$code = isset($code) ? $code : null;
$search = null;
$select = null;
$message = null;
?>
<script>
$(document).ready( function() {
$('.star-rating li a').on('click', function(event) {
var id = $(this).parents('ul').attr('id');
$('#vote_label2_' + id).html("<?php echo get_lang('Loading'); ?>");
$.ajax({
url: $(this).attr('data-link'),
success: function(data) {
$("#rating_wrapper_"+id).html(data);
if (data == 'added') {
//$('#vote_label2_' + id).html("{'Saved'|get_lang}");
}
if (data == 'updated') {
//$('#vote_label2_' + id).html("{'Saved'|get_lang}");
}
}
});
});
var getSessionId = function (el) {
var parts = el.id.split('_');
return parseInt(parts[1], 10);
};
<?php if ($showSessions) {
?>
$('#date').datepicker({
dateFormat: 'yy-mm-dd'
});
<?php
} ?>
});
</script>
<?php
if (!isset($_GET['hidden_links']) || intval($_GET['hidden_links']) != 1) {
$term = empty($_POST['search_term']) ? '' : api_htmlentities($searchTerm);
$urlAction = CourseCategory::getCourseCategoryUrl(1, $pageLength, 'ALL', 0, 'subscribe');
$formSearch = new FormValidator('search_catalog', 'post', $urlAction, null, [], FormValidator::LAYOUT_BOX_SEARCH);
$formSearch->addHidden('sec_token', $stok);
$formSearch->addHidden('search_course', 1);
$formSearch->addText('search_term', get_lang('Search'), false, ['value' => $term, 'icon' => 'search'])->setButton(true);
//$formSearch->defaultRenderer()->setElementTemplate($formSearch->getDefaultElementTemplate(),'search_term');
$search = $formSearch->returnForm();
$webAction = api_get_path(WEB_CODE_PATH).'auth/courses.php';
$formSelect = new FormValidator('select_category', 'get', $webAction, null, []);
$formSelect->addHidden('action', $action);
$formSelect->addHidden('pageCurrent', $pageCurrent);
$formSelect->addHidden('pageLength', $pageLength);
$options = [];
foreach ($browse_course_categories[0] as $category) {
$categoryCode = $category['code'];
$countCourse = $category['count_courses'];
if (empty($countCourse)) {
continue;
}
$options[$categoryCode] = $category['name'].' ('.$countCourse.')';
}
if (empty($codeType)) {
$codeType = 'ALL';
}
$formSelect->addSelect('category_code', get_lang('Categories'), $options, ['onchange' => 'submit();'])->setSelected($codeType);
$select = $formSelect->returnForm();
}
if ($showCourses && $action != 'display_sessions') {
if (!empty($message)) {
$message = Display::return_message($message, 'confirmation', false);
}
if (!empty($error)) {
$message = Display::return_message($error, 'error', false);
}
if (!empty($content)) {
$message = $content;
}
if (!empty($searchTerm)) {
$message = "<p><strong>".get_lang('SearchResultsFor')." ".$searchTerm."</strong><br />";
}
$showTeacher = api_get_setting('display_teacher_in_courselist') === 'true';
$ajax_url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=add_course_vote';
$user_id = api_get_user_id();
$categoryListFromDatabase = CourseCategory::getCategories();
$courseList = [];
$categoryList = [];
if (!empty($categoryListFromDatabase)) {
foreach ($categoryListFromDatabase as $categoryItem) {
$categoryList[$categoryItem['code']] = $categoryItem['name'];
}
}
if (!empty($browse_courses_in_category)) {
foreach ($browse_courses_in_category as $course) {
$course_hidden = $course['visibility'] == COURSE_VISIBILITY_HIDDEN;
if ($course_hidden) {
continue;
}
$userRegisteredInCourse = CourseManager::is_user_subscribed_in_course($user_id, $course['code']);
$userRegisteredInCourseAsTeacher = CourseManager::is_course_teacher($user_id, $course['code']);
$userRegistered = $userRegisteredInCourse && $userRegisteredInCourseAsTeacher;
$course_public = $course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD;
$course_open = $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM;
$course_private = $course['visibility'] == COURSE_VISIBILITY_REGISTERED;
$course_closed = $course['visibility'] == COURSE_VISIBILITY_CLOSED;
$course_subscribe_allowed = $course['subscribe'] == 1;
$course_unsubscribe_allowed = $course['unsubscribe'] == 1;
$count_connections = $course['count_connections'];
$creation_date = substr($course['creation_date'], 0, 10);
// display the course bloc
$course['category_title'] = '';
if (isset($course['category'])) {
$course['category_title'] = isset($categoryList[$course['category']]) ? $categoryList[$course['category']] : '';
}
if (api_get_configuration_value('hide_course_rating') === false) {
$ajax_url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=add_course_vote';
$rating = Display::return_rating_system(
'star_'.$course['real_id'],
$ajax_url.'&course_id='.$course['real_id'],
$course['point_info']
);
}
//course return image
$course_path = api_get_path(SYS_COURSE_PATH).$course['directory'];
if (file_exists($course_path.'/course-pic.png')) {
$courseMediumImage = api_get_path(WEB_COURSE_PATH).$course['directory'].'/course-pic.png';
} else {
// without picture
$courseMediumImage = Display::return_icon(
'session_default.png',
null,
null,
null,
null,
true
);
}
if ($showTeacher) {
$teachers = CourseManager::getTeachersFromCourse($course['real_id']);
}
$separator = null;
$subscribeBuy = return_register_button($course, $stok, $code, $searchTerm);
// Start buy course validation
// display the course price and buy button if the buycourses plugin is enabled and this course is configured
$plugin = BuyCoursesPlugin::create();
$isThisCourseInSale = $plugin->buyCoursesForGridCatalogValidator(
$course['real_id'],
BuyCoursesPlugin::PRODUCT_TYPE_COURSE
);
if ($isThisCourseInSale) {
// set the Price label
$separator = $isThisCourseInSale['html'];
// set the Buy button instead register.
if ($isThisCourseInSale['verificator']) {
$subscribeBuy = $plugin->returnBuyCourseButton(
$course['real_id'],
BuyCoursesPlugin::PRODUCT_TYPE_COURSE
);
}
}
// end buy course validation
// if user registered as student
if ($userRegisteredInCourse) {
$subscribeButton = return_already_registered_label('student');
if (!$course_closed) {
if ($course_unsubscribe_allowed) {
$subscribeButton = return_unregister_button($course, $stok, $searchTerm, $code);
}
}
} elseif ($userRegisteredInCourseAsTeacher) {
// if user registered as teacher
if ($course_unsubscribe_allowed) {
$subscribeButton = return_unregister_button($course, $stok, $searchTerm, $code);
}
} else {
// if user not registered in the course
if (!$course_closed) {
if (!$course_private) {
if ($course_subscribe_allowed) {
$subscribeButton = $subscribeBuy;
}
}
}
}
$courseList[] = [
'id' => $course['real_id'],
'title' => $course['title'],
'category' => $course['category_title'],
'image' => $courseMediumImage,
'url' => $linkCourse = api_get_path(WEB_PATH).'course/'.$course['real_id'].'/about',
'teachers' => $teachers,
'ranking' => $rating,
'description_ajax' => CourseManager::returnDescriptionButton($course),
'subscribe' => $subscribeButton,
];
}
} else {
if (!isset($_REQUEST['subscribe_user_with_password']) &&
!isset($_REQUEST['subscribe_course'])
) {
$message = Display::return_message(
get_lang('ThereAreNoCoursesInThisCategory'),
'warning'
);
}
}
}
$template = new Template(get_lang('Course Catalog'));
$template->assign('search', $search);
$template->assign('select', $select);
$template->assign('pagination', $cataloguePagination);
$template->assign('courses', $courseList);
$template->assign('message', $message);
$layout = $template->get_template('auth/course_catalog.html.twig');
$content = $template->fetch($layout);
echo $content;
/**
* Display the goto course button of a course in the course catalog.
*
* @param $course
*
* @return string HTML string
*/
function return_goto_button($course)
{
$title = get_lang('GoToCourse');
$html = Display::url(
Display::returnFontAwesomeIcon('share'),
api_get_course_url($course['code']),
[
'class' => 'btn btn-default btn-sm',
'title' => $title,
'aria-label' => $title,
]
);
return $html.PHP_EOL;
}
/**
* Display the already registerd text in a course in the course catalog.
*
* @param $in_status
*
* @return string HTML string
*/
function return_already_registered_label($in_status)
{
$icon = '<em class="fa fa-check"></em>';
$title = get_lang("YouAreATeacherOfThisCourse");
if ($in_status == 'student') {
$icon = '<em class="fa fa-check"></em>';
$title = get_lang("AlreadySubscribed");
}
$html = Display::tag(
'span',
$icon.' '.$title,
[
'id' => 'register',
'class' => 'label-subscribed text-success',
'title' => $title,
'aria-label' => $title,
]
);
return $html.PHP_EOL;
}
/**
* Display the register button of a course in the course catalog.
*
* @param $course
* @param $stok
* @param $code
* @param $search_term
*
* @return string
*/
function return_register_button($course, $stok, $code, $search_term)
{
$title = get_lang('Subscribe');
$action = 'subscribe_course';
if (!empty($course['registration_code'])) {
$action = 'subscribe_course_validation';
}
$html = Display::url(
Display::returnFontAwesomeIcon('check').' '.$title,
api_get_self().'?action='.$action.'&sec_token='.$stok.
'&subscribe_course='.$course['code'].'&search_term='.$search_term.'&category_code='.$code,
['class' => 'btn btn-success btn-sm', 'title' => $title, 'aria-label' => $title]
);
return $html;
}
/**
* Display the unregister button of a course in the course catalog.
*
* @param $course
* @param $stok
* @param $search_term
* @param $code
*
* @return string
*/
function return_unregister_button($course, $stok, $search_term, $code)
{
$title = get_lang('Unsubscription');
$html = Display::url(
Display::returnFontAwesomeIcon('sign-in').' '.$title,
api_get_self().'?action=unsubscribe&sec_token='.$stok
.'&unsubscribe='.$course['code'].'&search_term='.$search_term.'&category_code='.$code,
['class' => 'btn btn-danger btn-sm', 'title' => $title, 'aria-label' => $title]
);
return $html;
}