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