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

497 lines
18 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 = $_SESSION['sec_token'];
}
$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) : '';
$search_term = isset($search_term) ? $search_term : null;
if ($showSessions && isset($_POST['date'])) {
$date = $_POST['date'];
} else {
$date = date('Y-m-d');
}
$userInfo = api_get_user_info();
$code = isset($code) ? $code : 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) { ?>
$('#date').datepicker({
dateFormat: 'yy-mm-dd'
});
<?php } ?>
});
</script>
<div class="row">
<div class="col-md-12">
<h2 class="title-courses"><?php echo get_lang('CourseManagement'); ?></h2>
<div class="search-courses">
<div class="row">
<div class="col-md-6">
<?php
if ($showCourses) {
if (!isset($_GET['hidden_links']) || intval($_GET['hidden_links']) != 1) { ?>
<form method="post" action="<?php echo CourseCategory::getCourseCategoryUrl(1, $pageLength, 'ALL', 0, 'subscribe'); ?>">
<input type="hidden" name="sec_token" value="<?php echo $stok; ?>">
<input type="hidden" name="search_course" value="1" />
<label><?php echo get_lang('Search'); ?></label>
<div class="input-group">
<input class="form-control" type="text" name="search_term" value="<?php echo (empty($_POST['search_term']) ? '' : api_htmlentities(Security::remove_XSS($_POST['search_term']))); ?>" />
<div class="input-group-btn">
<button class="btn btn-default" type="submit">
<em class="fa fa-search"></em> <?php echo get_lang('Search'); ?>
</button>
</div>
</div>
</form>
<?php } ?>
</div>
<div class="col-md-6">
<?php
$webAction = api_get_path(WEB_CODE_PATH).'auth/courses.php';
$action = (!empty($_REQUEST['action']) ? Security::remove_XSS($_REQUEST['action']) : 'display_courses');
$pageLength = !empty($_REQUEST['pageLength']) ? intval($_REQUEST['pageLength']) : CoursesAndSessionsCatalog::PAGE_LENGTH;
$pageCurrent = !empty($_REQUEST['pageCurrent']) ? intval($_REQUEST['pageCurrent']) : 1;
$form = '<form action="'.$webAction.'" method="GET" >';
$form .= '<input type="hidden" name="action" value="'.$action.'">';
$form .= '<input type="hidden" name="pageCurrent" value="'.$pageCurrent.'">';
$form .= '<input type="hidden" name="pageLength" value="'.$pageLength.'">';
$form .= '<div class="form-group">';
$form .= '<label>'.get_lang('CourseCategories').'</label>';
$form .= '<select name="category_code" onchange="submit();" class="selectpicker show-tick form-control">';
$codeType = isset($_REQUEST['category_code']) ? Security::remove_XSS($_REQUEST['category_code']) : '';
foreach ($browse_course_categories[0] as $category) {
$categoryCode = $category['code'];
$countCourse = $category['count_courses'];
$form .= '<option '.($categoryCode == $codeType ? 'selected="selected" ' : '').' value="'.$category['code'].'">'.$category['name'].' ( '.$countCourse.' ) </option>';
if (!empty($browse_course_categories[$categoryCode])) {
foreach ($browse_course_categories[$categoryCode] as $subCategory) {
$subCategoryCode = $subCategory['code'];
$form .= '<option '.($subCategoryCode == $codeType ? 'selected="selected" ' : '').' value="'.$subCategory['code'].'"> ---'.$subCategory['name'].' ( '.$subCategory['count_courses'].' ) </option>';
}
}
}
$form .= '</select>';
$form .= '</form>';
echo $form;
?>
</div>
</div>
</div>
</div>
<?php if ($showSessions) { ?>
<div class="return-catalog">
<a class="btn btn-default btn-lg btn-block" href="<?php echo CourseCategory::getCourseCategoryUrl(1, $pageLength, null, 0, 'display_sessions'); ?>">
<em class="fa fa-arrow-right"></em> <?php echo get_lang('SessionList'); ?>
</a>
</div>
<?php } ?>
</div>
<?php } ?>
<div class="grid-courses">
<div class="row">
<?php
if ($showCourses && $action != 'display_sessions') {
if (!empty($message)) {
echo Display::return_message($message, 'confirmation', false);
}
if (!empty($error)) {
echo Display::return_message($error, 'error', false);
}
if (!empty($content)) {
echo $content;
}
if (!empty($search_term)) {
echo "<p><strong>".get_lang('SearchResultsFor')." ".Security::remove_XSS($_POST['search_term'])."</strong><br />";
}
$ajax_url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=add_course_vote';
$user_id = api_get_user_id();
$categoryList = CourseManager::getCategoriesList();
if (!empty($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);
$html = null;
// display the course bloc
$html .= '<div class="col-xs-12 col-sm-6 col-md-4"><div class="items items-courses">';
$course['category_title'] = '';
if (isset($course['category'])) {
$course['category_title'] = isset($categoryList[$course['category']]) ? $categoryList[$course['category']] : '';
}
// display thumbnail
$html .= returnThumbnail($course, $userRegistered);
$separator = '<div class="separator">&nbsp;</div>';
$subscribeButton = return_register_button($course, $stok, $code, $search_term);
// start buycourse 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']) {
$subscribeButton = $plugin->returnBuyCourseButton(
$course['real_id'],
BuyCoursesPlugin::PRODUCT_TYPE_COURSE
);
}
}
// end buycourse validation
// display course title and button bloc
$html .= '<div class="description">';
$html .= return_title($course, $userRegisteredInCourse);
$html .= return_teacher($course);
// display button line
$html .= '<div class="toolbar">';
$html .= '<div class="left">';
$html .= $separator;
$html .= '</div>';
$html .= '<div class="right">';
$html .= '<div class="btn-group">';
// if user registered as student
if ($userRegisteredInCourse) {
$html .= return_already_registered_label('student');
if (!$course_closed) {
if ($course_unsubscribe_allowed) {
$html .= return_unregister_button($course, $stok, $search_term, $code);
}
}
} elseif ($userRegisteredInCourseAsTeacher) {
// if user registered as teacher
if ($course_unsubscribe_allowed) {
$html .= return_unregister_button($course, $stok, $search_term, $code);
}
} else {
// if user not registered in the course
if (!$course_closed) {
if (!$course_private) {
if ($course_subscribe_allowed) {
$html .= $subscribeButton;
}
}
}
}
$html .= '</div>';
$html .= '</div>';
$html .= '</div>';
$html .= '</div>';
$html .= '</div>';
$html .= '</div>';
echo $html;
}
} else {
if (!isset($_REQUEST['subscribe_user_with_password']) &&
!isset($_REQUEST['subscribe_course'])
) {
echo Display::return_message(get_lang('ThereAreNoCoursesInThisCategory'), 'warning');
}
}
}
?>
</div>
</div>
<?php
echo $cataloguePagination;
/**
* Display the course catalog image of a course
* @param array $course
*
* @return string HTML string
*/
function returnThumbnail($course, $registeredUser)
{
$html = '';
$title = cut($course['title'], 70);
$linkCourse = api_get_course_url($course['code']);
// course path
$course_path = api_get_path(SYS_COURSE_PATH).$course['directory'];
if (file_exists($course_path.'/course-pic.png')) {
$course_medium_image = api_get_path(WEB_COURSE_PATH).$course['directory'].'/course-pic.png'; // redimensioned image 85x85
} else {
// without picture
$course_medium_image = Display::return_icon(
'session_default.png',
null,
null,
null,
null,
true
);
}
$html .= '<div class="image">';
if (!$registeredUser) {
$html .= '<img class="img-responsive"'
.' src="'.$course_medium_image.'" '
.' alt="'.api_htmlentities($title).'"/>';
} else {
$html .= '<a href="'.$linkCourse.'" title="'.$course['title'].'">'
.'<img class="img-responsive" src="'.$course_medium_image.'" '
.'alt="'.api_htmlentities($title).'"/></a>';
}
$categoryTitle = isset($course['category_title']) ? $course['category_title'] : '';
if (!empty($categoryTitle)) {
$html .= '<span class="category">'.$categoryTitle.'</span>';
$html .= '<div class="cribbon"></div>';
}
$html .= '<div class="user-actions">';
$html .= return_description_button($course);
$html .= '</div></div>';
return $html;
}
function return_teacher($course)
{
$courseInfo = api_get_course_info($course['code']);
$teachers = CourseManager::getTeachersFromCourse($courseInfo['real_id']);
$html = null;
$html .= '<div class="block-author">';
$length = count($teachers);
foreach ($teachers as $value) {
$name = $value['firstname'].' '.$value['lastname'];
if ($length > 2) {
$html .= '<a href="'.$value['url'].'" class="ajax" data-title="'.$name.'">
<img src="'.$value['avatar'].'" alt="'.get_lang('UserPicture').'"/></a>';
} else {
$html .= '<a href="'.$value['url'].'" class="ajax" data-title="'.$name.'">
<img src="'.$value['avatar'].'" alt="'.get_lang('UserPicture').'"/></a>';
$html .= '<div class="teachers-details"><h5>
<a href="'.$value['url'].'" class="ajax" data-title="'.$name.'">'
. $name.'</a></h5><p>'.get_lang('Teacher').'</p></div>';
}
}
$html .= '</div>';
return $html;
}
/**
* Display the title of a course in course catalog
* @param $course
* @return string HTML string
*/
function return_title($course, $registeredUser)
{
$html = '';
$linkCourse = api_get_course_url($course['code']);
$title = cut($course['title'], 45);
$html .= '<div class="block-title"><h4 class="title">';
if (!$registeredUser) {
$html .= $title;
} else {
$html .= '<a title="'.$title.'" href="'.$linkCourse.'">'.$title.'</a>';
}
$html .= '</h4></div>';
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']
);
$html .= '<div class="ranking">'.$rating.'</div>';
}
return $html;
}
/**
* Display the description button of a course in the course catalog
* @param $course
* @return string HTML string
*/
function return_description_button($course)
{
$title = $course['title'];
$html = '';
if (api_get_setting('show_courses_descriptions_in_catalog') == 'true') {
$html = Display::url(
Display::returnFontAwesomeIcon('info-circle'),
api_get_path(WEB_CODE_PATH).'inc/ajax/course_home.ajax.php?a=show_course_information&code='.$course['code'],
array(
'class' => 'ajax btn btn-default btn-sm',
'data-title' => $title, 'title' => get_lang('Description'),
'aria-label' => get_lang('Description')
)
);
}
return $html;
}
/**
* 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']),
array(
'class' => 'btn btn-default btn-sm',
'title' => $title,
'aria-label' => $title,
)
);
return $html;
}
/**
* 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,
array(
'id' => 'register',
'class' => 'label-subscribed text-success',
'title' => $title,
'aria-label' => $title,
)
);
return $html;
}
/**
* 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');
$html = Display::url(
Display::returnFontAwesomeIcon('check').' '.$title,
api_get_self().'?action=subscribe_course&sec_token='.$stok.
'&subscribe_course='.$course['code'].'&search_term='.$search_term.'&category_code='.$code,
array('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('UnsubscriptionAllowed');
$html = Display::url(
Display::returnFontAwesomeIcon('sign-in').' '.$title,
api_get_self().'?action=unsubscribe&sec_token='.$stok
.'&unsubscribe='.$course['code'].'&search_term='.$search_term.'&category_code='.$code,
array('class' => 'btn btn-danger btn-sm', 'title' => $title, 'aria-label' => $title)
);
return $html;
}