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

1108 lines
51 KiB

<?php
/* For licensing terms, see /license.txt */
use \ChamiloSession as Session;
class IndexManager {
var $tpl = false; //An instance of the template engine
var $name = '';
var $home = '';
var $default_home = 'home/';
function __construct($title) {
$this->tpl = new Template($title);
$this->home = api_get_home_path();
$this->user_id = api_get_user_id();
$this->load_directories_preview = false;
if (api_get_setting('show_documents_preview') == 'true') {
$this->load_directories_preview = true;
}
}
function set_login_form() {
global $loginFailed;
$login_form = '';
if (!($this->user_id) || api_is_anonymous($this->user_id)) {
// Only display if the user isn't logged in.
$this->tpl->assign('login_language_form', api_display_language_form(true));
$this->tpl->assign('login_form', self::display_login_form());
if ($loginFailed) {
$this->tpl->assign('login_failed', self::handle_login_failed());
}
if (api_get_setting('allow_lostpassword') == 'true' || api_get_setting('allow_registration') == 'true') {
$login_form .= '<ul class="nav nav-list">';
if (api_get_setting('allow_registration') != 'false') {
$login_form .= '<li><a href="main/auth/inscription.php">'.get_lang('Reg').'</a></li>';
}
if (api_get_setting('allow_lostpassword') == 'true') {
$login_form .= '<li><a href="main/auth/lostPassword.php">'.get_lang('LostPassword').'</a></li>';
}
$login_form .= '</ul>';
}
$this->tpl->assign('login_options', $login_form);
}
}
function return_exercise_block($personal_course_list) {
require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
$exercise_list = array();
if (!empty($personal_course_list)) {
foreach($personal_course_list as $course_item) {
$course_code = $course_item['c'];
$session_id = $course_item['id_session'];
$exercises = get_exercises_to_be_taken($course_code, $session_id);
foreach($exercises as $exercise_item) {
$exercise_item['course_code'] = $course_code;
$exercise_item['session_id'] = $session_id;
$exercise_item['tms'] = api_strtotime($exercise_item['end_time'], 'UTC');
$exercise_list[] = $exercise_item;
}
}
if (!empty($exercise_list)) {
$exercise_list = msort($exercise_list, 'tms');
$my_exercise = $exercise_list[0];
$url = Display::url($my_exercise['title'], api_get_path(WEB_CODE_PATH).'exercice/overview.php?exerciseId='.$my_exercise['id'].'&cidReq='.$my_exercise['course_code'].'&id_session='.$my_exercise['session_id']);
$this->tpl->assign('exercise_url', $url);
$this->tpl->assign('exercise_end_date', api_convert_and_format_date($my_exercise['end_time'], DATE_FORMAT_SHORT));
}
}
}
function return_announcements($show_slide = true) {
// Display System announcements
$announcement = isset($_GET['announcement']) ? $_GET['announcement'] : null;
$announcement = intval($announcement);
if (!api_is_anonymous() && $this->user_id) {
$visibility = api_is_allowed_to_create_course() ? SystemAnnouncementManager::VISIBLE_TEACHER : SystemAnnouncementManager::VISIBLE_STUDENT;
if ($show_slide) {
$announcements = SystemAnnouncementManager :: display_announcements_slider($visibility, $announcement);
} else {
$announcements = SystemAnnouncementManager :: display_all_announcements($visibility, $announcement);
}
} else {
if ($show_slide) {
$announcements = SystemAnnouncementManager :: display_announcements_slider(SystemAnnouncementManager::VISIBLE_GUEST, $announcement);
} else {
$announcements = SystemAnnouncementManager :: display_all_announcements(SystemAnnouncementManager::VISIBLE_GUEST, $announcement);
}
}
return $announcements;
}
/**
* Alias for the online_logout() function
*/
function logout() {
online_logout($this->user_id, true);
}
/**
* This function checks if there are courses that are open to the world in the platform course categories (=faculties)
*
* @param string $category
* @return boolean
*/
function category_has_open_courses($category) {
$setting_show_also_closed_courses = api_get_setting('show_closed_courses') == 'true';
$main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$category = Database::escape_string($category);
$sql_query = "SELECT * FROM $main_course_table WHERE category_code='$category'";
$sql_result = Database::query($sql_query);
while ($course = Database::fetch_array($sql_result)) {
if (!$setting_show_also_closed_courses) {
if ((api_get_user_id() > 0 && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM) || ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD)) {
return true; //at least one open course
}
} else {
if (isset($course['visibility'])) {
return true; // At least one course (it does not matter weither it's open or not because $setting_show_also_closed_courses = true).
}
}
}
return false;
}
/**
* Displays the right-hand menu for anonymous users:
* login form, useful links, help section
* Warning: function defines globals
* @version 1.0.1
* @todo does $_plugins need to be global?
*/
function display_anonymous_right_menu() {
global $loginFailed, $_user;
$display_add_course_link = api_is_allowed_to_create_course() && ($_SESSION['studentview'] != 'studentenview');
$current_user_id = api_get_user_id();
echo self::set_login_form(false);
echo self::return_teacher_link();
echo self::return_notice();
}
function return_teacher_link() {
$html = '';
if (!empty($this->user_id)) {
// tabs that are deactivated are added here
$show_menu = false;
$show_create_link = false;
$show_course_link = false;
if (api_is_platform_admin() || api_is_course_admin() || api_is_allowed_to_create_course()) {
$show_menu = true;
$show_course_link = true;
} else {
if (api_get_setting('allow_students_to_browse_courses') == 'true') {
$show_menu = true;
$show_course_link = true;
}
}
if ($show_menu && ($show_create_link || $show_course_link )) {
$show_menu = true;
} else {
$show_menu = false;
}
}
// My Account section
if ($show_menu) {
$html .= '<ul class="nav nav-list">';
if ($show_create_link) {
$html .= '<li><a href="main/create_course/add_course.php" class="add course">'.(api_get_setting('course_validation') == 'true' ? get_lang('CreateCourseRequest') : get_lang('CourseCreate')).'</a></li>';
}
if ($show_course_link) {
if (!api_is_drh() && !api_is_session_admin()) {
$html .= '<li><a href="main/auth/courses.php" class="list course">'.get_lang('CourseCatalog').'</a></li>';
} else {
$html .= '<li><a href="main/dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
}
}
$html .= '</ul>';
}
if (!empty($html)) {
$html = self::show_right_block(get_lang('Courses'), $html, 'teacher_block');
}
return $html;
}
/* Includes a created page */
function return_home_page() {
// Including the page for the news
$html = '';
if (!empty($_GET['include']) && preg_match('/^[a-zA-Z0-9_-]*\.html$/', $_GET['include'])) {
$open = @(string)file_get_contents(api_get_path(SYS_PATH).$this->home.$_GET['include']);
$html = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
} else {
if (!empty($_SESSION['user_language_choice'])) {
$user_selected_language = $_SESSION['user_language_choice'];
} elseif (!empty($_SESSION['_user']['language'])) {
$user_selected_language = $_SESSION['_user']['language'];
} else {
$user_selected_language = api_get_setting('platformLanguage');
}
if (!file_exists($this->home.'home_news_'.$user_selected_language.'.html')) {
if (file_exists($this->home.'home_top.html')) {
$home_top_temp = file($this->home.'home_top.html');
} else {
$home_top_temp = file($this->default_home.'home_top.html');
}
$home_top_temp = implode('', $home_top_temp);
} else {
if (file_exists($this->home.'home_top_'.$user_selected_language.'.html')) {
$home_top_temp = file_get_contents($this->home.'home_top_'.$user_selected_language.'.html');
} else {
$home_top_temp = file_get_contents($this->home.'home_top.html');
}
}
if (trim($home_top_temp) == '' && api_is_platform_admin()) {
$home_top_temp = get_lang('PortalHomepageDefaultIntroduction');
}
$open = str_replace('{rel_path}', api_get_path(REL_PATH), $home_top_temp);
$html = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
}
return $html;
}
function return_notice() {
$sys_path = api_get_path(SYS_PATH);
$user_selected_language = api_get_interface_language();
$html = '';
// Notice
$home_notice = @(string)file_get_contents($sys_path.$this->home.'home_notice_'.$user_selected_language.'.html');
if (empty($home_notice)) {
$home_notice = @(string)file_get_contents($sys_path.$this->home.'home_notice.html');
}
if (!empty($home_notice)) {
$home_notice = api_to_system_encoding($home_notice, api_detect_encoding(strip_tags($home_notice)));
$home_notice = Display::div($home_notice, array('class' => 'homepage_notice'));
$html = self::show_right_block(get_lang('Notice'), $home_notice, 'notice_block');
}
return $html;
}
function return_help() {
$user_selected_language = api_get_interface_language();
$sys_path = api_get_path(SYS_PATH);
$platformLanguage = api_get_setting('platformLanguage');
// Help section.
/* Hide right menu "general" and other parts on anonymous right menu. */
if (!isset($user_selected_language)) {
$user_selected_language = $platformLanguage;
}
$html = null;
$home_menu = @(string)file_get_contents($sys_path.$this->home.'home_menu_'.$user_selected_language.'.html');
if (!empty($home_menu)) {
$home_menu_content .= '<ul class="nav nav-list">';
$home_menu_content .= api_to_system_encoding($home_menu, api_detect_encoding(strip_tags($home_menu)));
$home_menu_content .= '</ul>';
$html .= self::show_right_block(get_lang('MenuGeneral'), $home_menu_content, 'help_block');
}
return $html;
}
function return_skills_links() {
$html = '';
if (api_get_setting('allow_skills_tool') == 'true') {
$content = '<ul class="nav nav-list">';
$content .= Display::tag('li', Display::url(get_lang('MySkills'), api_get_path(WEB_CODE_PATH).'social/skills_wheel.php'));
if (api_get_setting('allow_hr_skills_management') == 'true' || api_is_platform_admin()) {
$content .= Display::tag('li', Display::url(get_lang('ManageSkills'), api_get_path(WEB_CODE_PATH).'admin/skills_wheel.php'));
}
$content .= '</ul>';
$html = self::show_right_block(get_lang("Skills"), $content, 'skill_block');
}
return $html;
}
/**
* Reacts on a failed login:
* Displays an explanation with a link to the registration form.
*
* @version 1.0.1
*/
function handle_login_failed() {
$message = get_lang('InvalidId');
if (!isset($_GET['error'])) {
if (api_is_self_registration_allowed()) {
$message = get_lang('InvalidForSelfRegistration');
}
} else {
switch ($_GET['error']) {
case '':
if (api_is_self_registration_allowed()) {
$message = get_lang('InvalidForSelfRegistration');
}
break;
case 'account_expired':
$message = get_lang('AccountExpired');
break;
case 'account_inactive':
$message = get_lang('AccountInactive');
break;
case 'user_password_incorrect':
$message = get_lang('InvalidId');
break;
case 'access_url_inactive':
$message = get_lang('AccountURLInactive');
break;
case 'unrecognize_sso_origin':
//$message = get_lang('SSOError');
break;
}
}
return Display::return_message($message, 'error');
}
/**
* Display list of courses in a category.
* (for anonymous users)
*
* @version 1.1
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University - refactoring and code cleaning
* @author Julio Montoya <gugli100@gmail.com>, Beeznest template modifs
*/
function return_courses_in_categories() {
$result = '';
$ctok = $_SESSION['sec_token'];
$stok = Security::get_token();
// Initialization.
$user_identified = (api_get_user_id() > 0 && !api_is_anonymous());
$web_course_path = api_get_path(WEB_COURSE_PATH);
$category = Database::escape_string($_GET['category']);
$setting_show_also_closed_courses = api_get_setting('show_closed_courses') == 'true';
// Database table definitions.
$main_course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$main_category_table = Database :: get_main_table(TABLE_MAIN_CATEGORY);
// Get list of courses in category $category.
$sql_get_course_list = "SELECT * FROM $main_course_table cours
WHERE category_code = '".Database::escape_string($_GET['category'])."'
ORDER BY title, UPPER(visual_code)";
// Showing only the courses of the current access_url_id.
global $_configuration;
if ($_configuration['multiple_access_urls']) {
$url_access_id = api_get_current_access_url_id();
if ($url_access_id != -1) {
$tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql_get_course_list = "SELECT * FROM $main_course_table as course INNER JOIN $tbl_url_rel_course as url_rel_course
ON (url_rel_course.course_code=course.code)
WHERE access_url_id = $url_access_id AND category_code = '".Database::escape_string($_GET['category'])."' ORDER BY title, UPPER(visual_code)";
}
}
// Removed: AND cours.visibility='".COURSE_VISIBILITY_OPEN_WORLD."'
$sql_result_courses = Database::query($sql_get_course_list);
while ($course_result = Database::fetch_array($sql_result_courses)) {
$course_list[] = $course_result;
}
$platform_visible_courses = '';
// $setting_show_also_closed_courses
if ($user_identified) {
if ($setting_show_also_closed_courses) {
$platform_visible_courses = '';
} else {
$platform_visible_courses = " AND (t3.visibility='".COURSE_VISIBILITY_OPEN_WORLD."' OR t3.visibility='".COURSE_VISIBILITY_OPEN_PLATFORM."' )";
}
} else {
if ($setting_show_also_closed_courses) {
$platform_visible_courses = '';
} else {
$platform_visible_courses = " AND (t3.visibility='".COURSE_VISIBILITY_OPEN_WORLD."' )";
}
}
$sqlGetSubCatList = "
SELECT t1.name,t1.code,t1.parent_id,t1.children_count,COUNT(DISTINCT t3.code) AS nbCourse
FROM $main_category_table t1
LEFT JOIN $main_category_table t2 ON t1.code=t2.parent_id
LEFT JOIN $main_course_table t3 ON (t3.category_code=t1.code $platform_visible_courses)
WHERE t1.parent_id ". (empty ($category) ? "IS NULL" : "='$category'")."
GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count ORDER BY t1.tree_pos, t1.name";
// Showing only the category of courses of the current access_url_id
if ($_configuration['multiple_access_urls']) {
$url_access_id = api_get_current_access_url_id();
if ($url_access_id != -1) {
$tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sqlGetSubCatList = "
SELECT t1.name,t1.code,t1.parent_id,t1.children_count,COUNT(DISTINCT t3.code) AS nbCourse
FROM $main_category_table t1
LEFT JOIN $main_category_table t2 ON t1.code=t2.parent_id
LEFT JOIN $main_course_table t3 ON (t3.category_code=t1.code $platform_visible_courses)
INNER JOIN $tbl_url_rel_course as url_rel_course
ON (url_rel_course.course_code=t3.code)
WHERE access_url_id = $url_access_id AND t1.parent_id ".(empty($category) ? "IS NULL" : "='$category'")."
GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count ORDER BY t1.tree_pos, t1.name";
}
}
$resCats = Database::query($sqlGetSubCatList);
$thereIsSubCat = false;
if (Database::num_rows($resCats) > 0) {
$htmlListCat = Display::page_header(get_lang('CatList'));
$htmlListCat .= '<ul>';
while ($catLine = Database::fetch_array($resCats)) {
if ($catLine['code'] != $category) {
$category_has_open_courses = self::category_has_open_courses($catLine['code']);
if ($category_has_open_courses) {
// The category contains courses accessible to anonymous visitors.
$htmlListCat .= '<li>';
$htmlListCat .= '<a href="'.api_get_self().'?category='.$catLine['code'].'">'.$catLine['name'].'</a>';
if (api_get_setting('show_number_of_courses') == 'true') {
$htmlListCat .= ' ('.$catLine['nbCourse'].' '.get_lang('Courses').')';
}
$htmlListCat .= "</li>";
$thereIsSubCat = true;
} elseif ($catLine['children_count'] > 0) {
// The category has children, subcategories.
$htmlListCat .= '<li>';
$htmlListCat .= '<a href="'.api_get_self().'?category='.$catLine['code'].'">'.$catLine['name'].'</a>';
$htmlListCat .= "</li>";
$thereIsSubCat = true;
}
/* End changed code to eliminate the (0 courses) after empty categories. */
elseif (api_get_setting('show_empty_course_categories') == 'true') {
$htmlListCat .= '<li>';
$htmlListCat .= $catLine['name'];
$htmlListCat .= "</li>";
$thereIsSubCat = true;
} // Else don't set thereIsSubCat to true to avoid printing things if not requested.
} else {
$htmlTitre = '<p>';
if (api_get_setting('show_back_link_on_top_of_tree') == 'true') {
$htmlTitre .= '<a href="'.api_get_self().'">&lt;&lt; '.get_lang('BackToHomePage').'</a>';
}
if (!is_null($catLine['parent_id']) || (api_get_setting('show_back_link_on_top_of_tree') != 'true' && !is_null($catLine['code']))) {
$htmlTitre .= '<a href="'.api_get_self().'?category='.$catLine['parent_id'].'">&lt;&lt; '.get_lang('Up').'</a>';
}
$htmlTitre .= "</p>";
if ($category != "" && !is_null($catLine['code'])) {
$htmlTitre .= '<h3>'.$catLine['name']."</h3>";
} else {
$htmlTitre .= '<h3>'.get_lang('Categories')."</h3>";
}
}
}
$htmlListCat .= "</ul>";
}
$result .= $htmlTitre;
if ($thereIsSubCat) {
$result .= $htmlListCat;
}
while ($categoryName = Database::fetch_array($resCats)) {
$result .= '<h3>' . $categoryName['name'] . "</h3>\n";
}
$numrows = Database::num_rows($sql_result_courses);
$courses_list_string = '';
$courses_shown = 0;
if ($numrows > 0) {
$courses_list_string .= Display::page_header(get_lang('CourseList'));
$courses_list_string .= "<ul>";
if (api_get_user_id()) {
$courses_of_user = self::get_courses_of_user(api_get_user_id());
}
foreach ($course_list as $course) {
// $setting_show_also_closed_courses
if (!$setting_show_also_closed_courses) {
// If we do not show the closed courses
// we only show the courses that are open to the world (to everybody)
// and the courses that are open to the platform (if the current user is a registered user.
if( ($user_identified && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM) || ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD)) {
$courses_shown++;
$courses_list_string .= "<li>\n";
$courses_list_string .= '<a href="'.$web_course_path.$course['directory'].'/">'.$course['title'].'</a><br />';
$course_details = array();
if (api_get_setting('display_coursecode_in_courselist') == 'true') {
$course_details[] = $course['visual_code'];
}
if (api_get_setting('display_teacher_in_courselist') == 'true') {
$course_details[] = $course['tutor_name'];
}
if (api_get_setting('show_different_course_language') == 'true' && $course['course_language'] != api_get_setting('platformLanguage')) {
$course_details[] = $course['course_language'];
}
$courses_list_string .= implode(' - ', $course_details);
$courses_list_string .= "</li>\n";
}
} else {
// We DO show the closed courses.
// The course is accessible if (link to the course homepage):
// 1. the course is open to the world (doesn't matter if the user is logged in or not): $course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD);
// 2. the user is logged in and the course is open to the world or open to the platform: ($user_identified && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM);
// 3. the user is logged in and the user is subscribed to the course and the course visibility is not COURSE_VISIBILITY_CLOSED;
// 4. the user is logged in and the user is course admin of te course (regardless of the course visibility setting);
// 5. the user is the platform admin api_is_platform_admin().
//
$courses_shown++;
$courses_list_string .= "<li>\n";
if ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD
|| ($user_identified && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM)
|| ($user_identified && key_exists($course['code'], $courses_of_user) && $course['visibility'] != COURSE_VISIBILITY_CLOSED)
|| $courses_of_user[$course['code']]['status'] == '1'
|| api_is_platform_admin()) {
$courses_list_string .= '<a href="'.$web_course_path.$course['directory'].'/">';
}
$courses_list_string .= $course['title'];
if ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD
|| ($user_identified && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM)
|| ($user_identified && key_exists($course['code'], $courses_of_user) && $course['visibility'] != COURSE_VISIBILITY_CLOSED)
|| $courses_of_user[$course['code']]['status'] == '1'
|| api_is_platform_admin()) {
$courses_list_string .= '</a><br />';
}
$course_details = array();
if (api_get_setting('display_coursecode_in_courselist') == 'true') {
$course_details[] = $course['visual_code'];
}
// if (api_get_setting('display_coursecode_in_courselist') == 'true' && api_get_setting('display_teacher_in_courselist') == 'true') {
// $courses_list_string .= ' - ';
// }
if (api_get_setting('display_teacher_in_courselist') == 'true') {
$course_details[] = $course['tutor_name'];
}
if (api_get_setting('show_different_course_language') == 'true' && $course['course_language'] != api_get_setting('platformLanguage')) {
$course_details[] = $course['course_language'];
}
if (api_get_setting('show_different_course_language') == 'true' && $course['course_language'] != api_get_setting('platformLanguage')) {
$course_details[] = $course['course_language'];
}
$courses_list_string .= implode(' - ', $course_details);
// We display a subscription link if:
// 1. it is allowed to register for the course and if the course is not already in the courselist of the user and if the user is identiefied
// 2.
if ($user_identified && !key_exists($course['code'], $courses_of_user)) {
if ($course['subscribe'] == '1') {
$courses_list_string .= '<form action="main/auth/courses.php?action=subscribe&category='.Security::remove_XSS($_GET['category']).'" method="post">';
$courses_list_string .= '<input type="hidden" name="sec_token" value="'.$stok.'">';
$courses_list_string .= '<input type="hidden" name="subscribe" value="'.$course['code'].'" />';
$courses_list_string .= '<input type="image" name="unsub" src="main/img/enroll.gif" alt="'.get_lang('Subscribe').'" />'.get_lang('Subscribe').'</form>';
} else {
$courses_list_string .= '<br />'.get_lang('SubscribingNotAllowed');
}
}
$courses_list_string .= "</li>";
} //end else
} // end foreach
$courses_list_string .= "</ul>";
}
if ($courses_shown > 0) {
// Only display the list of courses and categories if there was more than
// 0 courses visible to the world (we're in the anonymous list here).
$result .= $courses_list_string;
}
if ($category != '') {
$result .= '<p><a href="'.api_get_self().'"> ' . Display :: return_icon('back.png', get_lang('BackToHomePage')) . get_lang('BackToHomePage') . '</a></p>';
}
return $result;
}
/**
* retrieves all the courses that the user has already subscribed to
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
* @param int $user_id: the id of the user
* @return array an array containing all the information of the courses of the given user
*/
function get_courses_of_user($user_id) {
$table_course = Database::get_main_table(TABLE_MAIN_COURSE);
$table_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
// Secondly we select the courses that are in a category (user_course_cat <> 0) and sort these according to the sort of the category
$user_id = intval($user_id);
$sql_select_courses = "SELECT course.code k, course.visual_code vc, course.subscribe subscr, course.unsubscribe unsubscr,
course.title i, course.tutor_name t, course.db_name db, course.directory dir, course_rel_user.status status,
course_rel_user.sort sort, course_rel_user.user_course_cat user_course_cat
FROM $table_course course,
$table_course_user course_rel_user
WHERE course.code = course_rel_user.course_code
AND course_rel_user.user_id = '".$user_id."'
AND course_rel_user.relation_type<>".COURSE_RELATION_TYPE_RRHH."
ORDER BY course_rel_user.sort ASC";
$result = Database::query($sql_select_courses);
$courses = array();
while ($row = Database::fetch_array($result)) {
// We only need the database name of the course.
$courses[$row['k']] = array('db' => $row['db'], 'code' => $row['k'], 'visual_code' => $row['vc'], 'title' => $row['i'], 'directory' => $row['dir'], 'status' => $row['status'], 'tutor' => $row['t'], 'subscribe' => $row['subscr'], 'unsubscribe' => $row['unsubscr'], 'sort' => $row['sort'], 'user_course_category' => $row['user_course_cat']);
}
return $courses;
}
/**
* @todo use the template system
*/
function show_right_block($title, $content, $id = null, $params = null) {
if (!empty($id)) {
$params['id'] = $id;
}
$params['class'] = 'well sidebar-nav';
$html = null;
if (!empty($title)) {
$html.= '<h4>'.$title.'</h4>';
}
$html.= $content;
$html = Display::div($html, $params);
return $html;
}
/**
* Adds a form to let users login
* @version 1.1
*/
function display_login_form() {
$form = new FormValidator('formLogin', 'POST', null, null, array('class'=>'form-vertical'));
// 'placeholder'=>get_lang('UserName')
//'autocomplete'=>"off",
$form->addElement('text', 'login', get_lang('UserName'), array('class' => 'span2 autocapitalize_off', 'autofocus' => 'autofocus'));
$form->addElement('password', 'password', get_lang('Pass'), array('class' => 'span2'));
$form->addElement('style_submit_button','submitAuth', get_lang('LoginEnter'), array('class' => 'btn'));
$html = $form->return_form();
if (api_get_setting('openid_authentication') == 'true') {
include_once 'main/auth/openid/login.php';
$html .= '<div>'.openid_form().'</div>';
}
return $html;
}
function return_search_block() {
$html = '';
if (api_get_setting('search_enabled') == 'true') {
$html .= '<div class="searchbox">';
$search_btn = get_lang('Search');
$search_content = '<br />
<form action="main/search/" method="post">
<input type="text" id="query" class="span2" name="query" value="" />
<button class="save" type="submit" name="submit" value="'.$search_btn.'" />'.$search_btn.' </button>
</form></div>';
$html .= self::show_right_block(get_lang('Search'), $search_content, 'search_block');
}
return $html;
}
function return_classes_block() {
$html = '';
if (api_get_setting('show_groups_to_users') == 'true') {
require_once api_get_path(LIBRARY_PATH).'usergroup.lib.php';
$usergroup = new Usergroup();
$usergroup_list = $usergroup->get_usergroup_by_user(api_get_user_id());
$classes = '';
if (!empty($usergroup_list)) {
foreach($usergroup_list as $group_id) {
$data = $usergroup->get($group_id);
$data['name'] = Display::url($data['name'], api_get_path(WEB_CODE_PATH).'user/classes.php?id='.$data['id']);
$classes .= Display::tag('li', $data['name']);
}
}
if (api_is_platform_admin()) {
$classes .= Display::tag('li', Display::url(get_lang('AddClasses') ,api_get_path(WEB_CODE_PATH).'admin/usergroups.php?action=add'));
}
if (!empty($classes)) {
$classes = Display::tag('ul', $classes, array('class'=>'nav nav-list'));
$html .= self::show_right_block(get_lang('Classes'), $classes, 'classes_block');
}
}
return $html;
}
function return_reservation_block() {
$html = '';
if (api_get_setting('allow_reservation') == 'true' && api_is_allowed_to_create_course()) {
$booking_content .='<ul class="nav nav-list">';
$booking_content .='<a href="main/reservation/reservation.php">'.get_lang('ManageReservations').'</a><br />';
$booking_content .='</ul>';
$html .= self::show_right_block(get_lang('Booking'), $booking_content, 'reservation_block');
}
return $html;
}
function return_user_image_block() {
//Always show the user image
$img_array = UserManager::get_user_picture_path_by_id(api_get_user_id(), 'web', true, true);
$no_image = false;
if ($img_array['file'] == 'unknown.jpg') {
$no_image = true;
}
$img_array = UserManager::get_picture_user(api_get_user_id(), $img_array['file'], 50, USER_IMAGE_SIZE_MEDIUM, ' width="90" height="90" ');
if (api_get_setting('allow_social_tool') == 'true') {
if (!$no_image) {
$profile_content .='<a style="text-align:center" href="'.api_get_path(WEB_PATH).'main/social/home.php"><img src="'.$img_array['file'].'" '.$img_array['style'].' ></a>';
} else {
$profile_content .='<a style="text-align:center" href="'.api_get_path(WEB_PATH).'main/auth/profile.php"><img title="'.get_lang('EditProfile').'" src="'.$img_array['file'].'" '.$img_array['style'].'></a>';
}
}
$html = self::show_right_block(null, $profile_content, 'user_image_block', array('style' => 'text-align:center;'));
return $html;
}
function return_profile_block() {
$html = '';
$user_id = api_get_user_id();
if (empty($user_id)) {
return;
}
$profile_content .= '<ul class="nav nav-list">';
// @todo Add a platform setting to add the user image.
if (api_get_setting('allow_message_tool') == 'true') {
require_once api_get_path(LIBRARY_PATH).'group_portal_manager.lib.php';
// New messages.
$number_of_new_messages = MessageManager::get_new_messages();
// New contact invitations.
$number_of_new_messages_of_friend = SocialManager::get_message_number_invitation_by_user_id(api_get_user_id());
// New group invitations sent by a moderator.
$group_pending_invitations = GroupPortalManager::get_groups_by_user(api_get_user_id(), GROUP_USER_PERMISSION_PENDING_INVITATION, false);
$group_pending_invitations = count($group_pending_invitations);
$total_invitations = $number_of_new_messages_of_friend + $group_pending_invitations;
$cant_msg = Display::badge($number_of_new_messages);
$link = '';
if (api_get_setting('allow_social_tool') == 'true') {
$link = '?f=social';
}
$profile_content .= '<li><a href="'.api_get_path(WEB_PATH).'main/messages/inbox.php'.$link.'">'.get_lang('Inbox').$cant_msg.' </a></li>';
$profile_content .= '<li><a href="'.api_get_path(WEB_PATH).'main/messages/new_message.php'.$link.'">'.get_lang('Compose').' </a></li>';
if (api_get_setting('allow_social_tool') == 'true') {
$total_invitations = Display::badge($total_invitations);
$profile_content .= '<li><a href="'.api_get_path(WEB_PATH).'main/social/invitations.php">'.get_lang('PendingInvitations').$total_invitations.'</a></li>';
}
$profile_content .= '<li><a href="'.api_get_path(WEB_PATH).'main/auth/profile.php">'.get_lang('EditProfile').'</a></li>';
}
$profile_content .= '</ul>';
$html = self::show_right_block(get_lang('Profile'), $profile_content, 'profile_block');
return $html;
}
function return_navigation_links() {
$html = '';
// Deleting the myprofile link.
if (api_get_setting('allow_social_tool') == 'true') {
unset($this->tpl->menu_navigation['myprofile']);
}
// Main navigation section.
// Tabs that are deactivated are added here.
if (!empty($this->tpl->menu_navigation)) {
$content = '<ul class="nav nav-list">';
foreach ($this->tpl->menu_navigation as $section => $navigation_info) {
$current = $section == $GLOBALS['this_section'] ? ' id="current"' : '';
$content .= '<li'.$current.'>';
$content .= '<a href="'.$navigation_info['url'].'" target="_self">'.$navigation_info['title'].'</a>';
$content .= '</li>';
}
$content .= '</ul>';
$html = self::show_right_block(get_lang('MainNavigation'), $content, 'navigation_link_block');
}
return $html;
}
function return_course_block() {
$html = '';
$show_create_link = false;
$show_course_link = false;
if ((api_get_setting('allow_users_to_create_courses') == 'false' && !api_is_platform_admin()) || api_is_student()) {
$display_add_course_link = false;
} else {
$display_add_course_link = true;
}
//$display_add_course_link = api_is_allowed_to_create_course() && ($_SESSION['studentview'] != 'studentenview');
if ($display_add_course_link) {
$show_create_link = true;
}
if (api_is_platform_admin() || api_is_course_admin() || api_is_allowed_to_create_course()) {
$show_course_link = true;
} else {
if (api_get_setting('allow_students_to_browse_courses') == 'true') {
$show_course_link = true;
}
}
// My account section
$my_account_content = '<ul class="nav nav-list">';
if ($show_create_link) {
$my_account_content .= '<li><a href="main/create_course/add_course.php" class="add course">'.(api_get_setting('course_validation') == 'true' ? get_lang('CreateCourseRequest') : get_lang('CourseCreate')).'</a></li>';
}
//Sort courses
$url = api_get_path(WEB_CODE_PATH).'auth/courses.php?action=sortmycourses';
$my_account_content .= '<li>'.Display::url(get_lang('SortMyCourses'), $url, array('class' => 'sort course')).'</li>';
//Course management
if ($show_course_link) {
if (!api_is_drh()) {
$my_account_content .= '<li><a href="main/auth/courses.php" class="list course">'.get_lang('CourseCatalog').'</a></li>';
if (isset($_GET['history']) && intval($_GET['history']) == 1) {
$my_account_content .= '<li><a href="user_portal.php">'.get_lang('DisplayTrainingList').'</a></li>';
} else {
$my_account_content .= '<li><a href="user_portal.php?history=1" class="history course">'.get_lang('HistoryTrainingSessions').'</a></li>';
}
} else {
$my_account_content .= '<li><a href="main/dashboard/index.php">'.get_lang('Dashboard').'</a></li>';
}
}
$my_account_content .= '</ul>';
if (!empty($my_account_content)) {
$html = self::show_right_block(get_lang('Courses'), $my_account_content, 'course_block');
}
return $html;
}
/**
* The most important function here, prints the session and course list (user_portal.php)
*
* */
function return_courses_and_sessions($user_id) {
$session_categories = array();
$load_history = (isset($_GET['history']) && intval($_GET['history']) == 1) ? true : false;
if ($load_history) {
//Load sessions in category in *history*
$session_categories = UserManager::get_sessions_by_category($user_id, true);
} else {
//Load sessions in category
$session_categories = UserManager::get_sessions_by_category($user_id, false);
}
$html = '';
//Showing history title
if ($load_history) {
$html .= Display::page_subheader(get_lang('HistoryTrainingSession'));
if (empty($session_categories)) {
$html .= get_lang('YouDoNotHaveAnySessionInItsHistory');
}
}
$courses_html = '';
$special_courses = '';
// If we're not in the history view...
if (!isset($_GET['history'])) {
//Display special courses
$special_courses = CourseManager::display_special_courses($user_id, $this->load_directories_preview);
//Display courses
$courses_html .= CourseManager::display_courses($user_id, $this->load_directories_preview);
}
$sessions_with_category = '';
$sessions_with_no_category = '';
if (is_array($session_categories)) {
foreach ($session_categories as $session_category) {
$session_category_id = $session_category['session_category']['id'];
// Sessions and courses that are not in a session category
if ($session_category_id == 0) {
// Independent sessions
foreach ($session_category['sessions'] as $session) {
$session_id = $session['session_id'];
// Don't show empty sessions.
if (count($session['courses']) < 1) {
continue;
}
// Courses inside the current session.
$date_session_start = $session['date_start'];
$days_access_before_beginning = $session['nb_days_access_before_beginning'];
$days_access_after_end = $session['nb_days_access_after_end'];
$date_session_end = $session['date_end'];
$session_now = time();
$html_courses_session = '';
$count_courses_session = 0;
foreach ($session['courses'] as $course) {
$is_coach_course = api_is_coach($session_id, $course['code']);
$allowed_time = 0;
$dif_time_after = 0;
if ($date_session_start != '0000-00-00') {
if ($is_coach_course) {
$allowed_time = api_strtotime($date_session_start) - ($days_access_before_beginning*86400);
if ($session_now > $date_session_end) {
$dif_time_after = $session_now - api_strtotime($date_session_end);
$dif_time_after = round($dif_time_after/86400);
}
} else {
$allowed_time = api_strtotime($date_session_start);
}
}
if ($session_now > $allowed_time && $days_access_after_end >= $dif_time_after-1) {
//read only and accesible
if (api_get_setting('hide_courses_in_sessions') == 'false') {
$c = CourseManager :: get_logged_user_course_html($course, $session_id, 'session_course_item', true, $this->load_directories_preview);
$html_courses_session .= $c[1];
}
$count_courses_session++;
}
}
if ($count_courses_session > 0) {
$params = array();
$session_box = Display :: get_session_title_box($session_id);
$params['icon'] = Display::return_icon('window_list.png', $session_box['title'], array('id' => 'session_img_'.$session_id), ICON_SIZE_LARGE);
$extra_info = !empty($session_box['coach']) ? $session_box['coach'] : null;
$extra_info .= !empty($session_box['coach']) ? ' - '.$session_box['dates'] : $session_box['dates'];
if (api_is_drh()) {
$session_link = $session_box['title'];
$params['link'] = null;
} else {
$session_link = Display::tag('a', $session_box['title'], array('href'=>api_get_path(WEB_CODE_PATH).'session/index.php?session_id='.$session_id));
$params['link'] = api_get_path(WEB_CODE_PATH).'session/index.php?session_id='.$session_id;
}
$params['title'] = $session_link;
$params['subtitle'] = $extra_info;
$params['right_actions'] = '';
if (api_is_platform_admin()) {
$params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'admin/resume_session.php?id_session='.$session_id.'">';
$params['right_actions'] .= Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
}
if (api_get_setting('hide_courses_in_sessions') == 'false') {
// $params['extra'] .= $html_courses_session;
}
$sessions_with_no_category .= CourseManager::course_item_parent(CourseManager::course_item_html($params, true), $html_courses_session);
}
}
} else {
// All sessions included in
$count_courses_session = 0;
$html_sessions = '';
foreach ($session_category['sessions'] as $session) {
$session_id = $session['session_id'];
//var_dump($session);var_dump($session_category);
// Don't show empty sessions.
if (count($session['courses']) < 1) {
continue;
}
$date_session_start = $session['date_start'];
//api_get_session_visibility($session_id);
$days_access_before_beginning = $session['nb_days_access_before_beginning'];
$days_access_after_end = $session['nb_days_access_after_end'];
$date_session_end = $session['date_end'];
$session_now = time();
$html_courses_session = '';
$count = 0;
foreach ($session['courses'] as $course) {
$is_coach_course = api_is_coach($session_id, $course['code']);
$dif_time_after = 0;
if ($is_coach_course) {
$allowed_time = api_strtotime($date_session_start) - ($days_access_before_beginning*86400);
if ($session_now > $date_session_end) {
$dif_time_after = $session_now - api_strtotime($date_session_end);
$dif_time_after = round($dif_time_after/86400);
}
} else {
$allowed_time = api_strtotime($date_session_start);
}
if ($session_now > $allowed_time && $days_access_after_end >= $dif_time_after-1) {
if (api_get_setting('hide_courses_in_sessions') == 'false') {
$c = CourseManager :: get_logged_user_course_html($course, $session_id, 'session_course_item');
$html_courses_session .= $c[1];
}
$count_courses_session++;
$count++;
}
}
$params = array();
if ($count > 0) {
$session_box = Display :: get_session_title_box($session_id);
$params['icon'] = Display::return_icon('window_list.png', $session_box['title'], array('width' => '48px', 'align' => 'absmiddle', 'id' => 'session_img_'.$session_id)) . ' ';
if (api_is_drh()) {
$session_link = $session_box['title'];
$params['link'] = null;
} else {
$session_link = Display::tag('a', $session_box['title'], array('href'=>api_get_path(WEB_CODE_PATH).'session/index.php?session_id='.$session_id));
$params['link'] = api_get_path(WEB_CODE_PATH).'session/index.php?session_id='.$session_id;
}
$params['title'] .= $session_link;
$params['subtitle'] = (!empty($session_box['coach']) ? $session_box['coach'].' | ' : '').$session_box['dates'];
if (api_is_platform_admin()) {
$params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'admin/resume_session.php?id_session='.$session_id.'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'), ICON_SIZE_SMALL).'</a>';
}
$html_sessions .= CourseManager::course_item_html($params, true).$html_courses_session;
}
}
if ($count_courses_session > 0) {
$params = array();
$params['icon'] = Display::return_icon('folder_blue.png', $session_category['session_category']['name'], array(), ICON_SIZE_LARGE);
if (api_is_platform_admin()) {
$params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'admin/session_category_edit.php?&id='.$session_category['session_category']['id'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>';
}
$params['title'] .= $session_category['session_category']['name'];
if (api_is_platform_admin()) {
$params['link'] = api_get_path(WEB_CODE_PATH).'admin/session_category_edit.php?&id='.$session_category['session_category']['id'];
}
$session_category_start_date = $session_category['session_category']['date_start'];
$session_category_end_date = $session_category['session_category']['date_end'];
if (!empty($session_category_start_date) && $session_category_start_date != '0000-00-00' && !empty($session_category_end_date) && $session_category_end_date != '0000-00-00' ) {
$params['subtitle'] = sprintf(get_lang('FromDateXToDateY'), $session_category['session_category']['date_start'], $session_category['session_category']['date_end']);
} else {
if (!empty($session_category_start_date) && $session_category_start_date != '0000-00-00') {
$params['subtitle'] = get_lang('From').' '.$session_category_start_date;
}
if (!empty($session_category_end_date) && $session_category_end_date != '0000-00-00') {
$params['subtitle'] = get_lang('Until').' '.$session_category_end_date;
}
}
$sessions_with_category .= CourseManager::course_item_parent(CourseManager::course_item_html($params, true), $html_sessions);
}
}
}
}
return $sessions_with_category.$sessions_with_no_category.$courses_html.$special_courses;
}
/**
* Shows a welcome message when the user doesn't have any content in the course list
*/
function return_welcome_to_course_block() {
$count_courses = CourseManager::count_courses();
$tpl = $this->tpl->get_template('layout/welcome_to_course.tpl');
$course_catalog_url = api_get_path(WEB_CODE_PATH).'auth/courses.php';
$course_list_url = api_get_path(WEB_PATH).'user_portal.php';
$this->tpl->assign('course_catalog_url', $course_catalog_url);
$this->tpl->assign('course_list_url', $course_list_url);
$this->tpl->assign('course_catalog_link', Display::url(get_lang('here'), $course_catalog_url));
$this->tpl->assign('course_list_link', Display::url(get_lang('here'), $course_list_url));
$this->tpl->assign('count_courses', $count_courses);
return $this->tpl->fetch($tpl);
}
function return_hot_courses() {
return CourseManager::return_hot_courses();
}
}