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- <?php //$id: $
- /**
- * This script provides the caller service with a list
- * of courses that have a certain level of visibility
- * on this dokeos portal.
- * It is set to work with the Dokeos module for Drupal:
- * http://drupal.org/project/dokeos
- *
- * See license terms in /dokeos_license.txt
- * @author Yannick Warnier <yannick.warnier@dokeos.com>
- */
- require_once('../inc/global.inc.php');
- /**
- * Get a list of courses (code, url, title, teacher, language) and return to caller
- * Function registered as service. Returns strings in UTF-8.
- * @param string Security key (the Dokeos install's API key)
- * @param mixed Array or string. Type of visibility of course (public, public-registered, private, closed)
- * @return array Courses list (code=>[title=>'title',url='http://...',teacher=>'...',language=>''],code=>[...],...)
- */
- function courses_list($security_key,$visibilities='public') {
-
- global $_configuration;
- // check if this script is launch by server and if security key is ok
- if ( $security_key != $_configuration['security_key'] )
- {
- return array('error_msg'=>'Security check failed');
- }
-
-
- // libraries
- require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
- $charset = api_get_setting('platform_charset');
- $vis = array('public'=>'3', 'public-registered'=>'2', 'private'=>'1', 'closed'=>'0');
-
- $courses_list = array();
-
- if (!is_array($visibilities)) {
- $tmp = $visibilities;
- $visibilities = array($tmp);
- }
- foreach ($visibilities as $visibility) {
- if (!in_array($visibility,array_keys($vis))) {
- return array('error_msg'=>'Security check failed');
- }
- $courses_list_tmp = CourseManager::get_courses_list(null,null,null,null,$vis[$visibility]);
- foreach ( $courses_list_tmp as $index => $course )
- {
- $course_info = CourseManager::get_course_information($course['code']);
- $courses_list[$course['code']] = array('title'=>api_convert_encoding($course_info['title'],'UTF-8',$charset),'url'=>api_get_path(WEB_COURSE_PATH).$course_info['directory'].'/','teacher'=>api_convert_encoding($course_info['tutor_name'],'UTF-8',$charset),'language'=>$course_info['course_language']);
- }
- }
- return $courses_list;
- }
- header('Content-Type: text/xml; charset=utf-8');
- echo '<?xml version="1.0"?>';
- echo '<courseslist>';
- if(empty($_POST['security-key']) or empty($_POST['visibility']))
- {
- echo '<errormsg>Invalid parameters, this script expects a security-key and a visibility parameters</errormsg>';
- }
- else
- {
- $courses_list = courses_list($_POST['security-key'],$_POST['visibility']);
- foreach ( $courses_list as $code => $cd ) {
- echo '<course>';
- echo '<code>' , $code , '</code>';
- echo '<title>' , $cd['title'] , '</title>';
- echo '<url>' , $cd['url'] , '</url>';
- echo '<teacher>' , $cd['teacher'] , '</teacher>';
- echo '<language>' , $cd['language'] , '</language>';
- echo '</course>';
- }
- }
- echo '</courseslist>';
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