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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Responses to AJAX calls
- */
- api_protect_admin_script();
- $action = isset($_REQUEST['a']) ? $_REQUEST['a'] : null;
- switch ($action) {
- case 'user_exists':
- $user_info = api_get_user_info($_REQUEST['id']);
- if (empty($user_info)) {
- echo 0;
- } else {
- echo 1;
- }
- break;
- case 'find_coaches':
- $coaches = SessionManager::get_coaches_by_keyword($_REQUEST['tag']);
- $json_coaches = array();
- if (!empty($coaches)) {
- foreach ($coaches as $coach) {
- $json_coaches[] = array(
- 'key' => $coach['user_id'],
- 'value' => api_get_person_name($coach['firstname'], $coach['lastname'])
- );
- }
- }
- echo json_encode($json_coaches);
- break;
- case 'update_changeable_setting':
- $url_id = api_get_current_access_url_id();
- if (api_is_global_platform_admin() && $url_id == 1) {
- if (isset($_GET['id']) && !empty($_GET['id'])) {
- $params = array('variable = ? ' => array($_GET['id']));
- $data = api_get_settings_params($params);
- if (!empty($data)) {
- foreach ($data as $item) {
- $params = array('id' =>$item['id'], 'access_url_changeable' => $_GET['changeable']);
- api_set_setting_simple($params);
- }
- }
- echo '1';
- }
- }
- break;
- case 'version':
- echo version_check();
- exit;
- break;
- }
- /**
- * Displays either the text for the registration or the message that the installation is (not) up to date
- *
- * @return string html code
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- * @version august 2006
- * @todo have a 6monthly re-registration
- */
- function version_check()
- {
- $tbl_settings = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
- $sql = 'SELECT selected_value FROM '.$tbl_settings.' WHERE variable="registered" ';
- $result = Database::query($sql);
- $row = Database::fetch_array($result, 'ASSOC');
- // The site has not been registered yet.
- $return = '';
- if ($row['selected_value'] == 'false') {
- $return .= get_lang('VersionCheckExplanation');
- $return .= '<form class="well" action="'.api_get_path(WEB_CODE_PATH).'admin/index.php" id="VersionCheck" name="VersionCheck" method="post">';
- $return .= '<label class="checkbox"><input type="checkbox" name="donotlistcampus" value="1" id="checkbox" />'.get_lang('HideCampusFromPublicPlatformsList');
- $return .= '</label><button type="submit" class="btn btn-primary" name="Register" value="'.get_lang('EnableVersionCheck').'" id="register" >'.get_lang('EnableVersionCheck').'</button>';
- $return .= '</form>';
- check_system_version();
- } else {
- // site not registered. Call anyway
- $return .= check_system_version();
- }
- return $return;
- }
- /**
- * Check if the current installation is up to date
- * The code is borrowed from phpBB and slighlty modified
- * @author The phpBB Group <support@phpbb.com> (the code)
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University (the modifications)
- * @author Yannick Warnier <ywarnier@beeznest.org> for the move to HTTP request
- * @copyright (C) 2001 The phpBB Group
- * @return string language string with some layout (color)
- */
- function check_system_version()
- {
- global $_configuration;
- $system_version = trim($_configuration['system_version']); // the chamilo version of your installation
- if (ini_get('allow_url_fopen') == 1) {
- // The number of courses
- $number_of_courses = Statistics::count_courses();
- // The number of users
- $number_of_users = Statistics::count_users();
- $number_of_active_users = Statistics::count_users(null, null, null, true);
- // The number of sessions
- $number_of_sessions = Statistics::count_sessions();
- $data = array(
- 'url' => api_get_path(WEB_PATH),
- 'campus' => api_get_setting('platform.site_name'),
- 'contact' => api_get_setting('platform.administrator_email'),
- 'version' => $system_version,
- 'numberofcourses' => $number_of_courses,
- 'numberofusers' => $number_of_users,
- 'numberofactiveusers' => $number_of_active_users,
- 'numberofsessions' => $number_of_sessions,
- //The donotlistcampus setting recovery should be improved to make
- // it true by default - this does not affect numbers counting
- 'donotlistcampus' => api_get_setting('donotlistcampus'),
- 'organisation' => api_get_setting('platform.institution'),
- 'language' => api_get_setting('platformLanguage'),
- 'adminname' => api_get_setting('platform.administrator_name').' '.api_get_setting('platform.administrator_surname'),
- );
- $res = api_http_request('version.chamilo.org', 80, '/version.php', $data);
- if ($res != 0) {
- $version_info = $res;
- if ($system_version != $version_info) {
- $output = '<br /><span style="color:red">' . get_lang('YourVersionNotUpToDate') . '. '.get_lang('LatestVersionIs').' <b>Chamilo '.$version_info.'</b>. '.get_lang('YourVersionIs').' <b>Chamilo '.$system_version. '</b>. '.str_replace('http://www.chamilo.org', '<a href="http://www.chamilo.org">http://www.chamilo.org</a>', get_lang('PleaseVisitOurWebsite')).'</span>';
- } else {
- $output = '<br /><span style="color:green">'.get_lang('VersionUpToDate').': Chamilo '.$version_info.'</span>';
- }
- } else {
- $output = '<span style="color:red">' . get_lang('ImpossibleToContactVersionServerPleaseTryAgain') . '</span>';
- }
- } else {
- $output = '<span style="color:red">' . get_lang('AllowurlfopenIsSetToOff') . '</span>';
- }
- return $output;
- }
- exit;
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