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

94 lines
3.1 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This script provides the caller service with a list
* of courses that have a certain level of visibility
* on this chamilo portal.
* It is set to work with the Chamilo module for Drupal:
* http://drupal.org/project/chamilo.
*
* @author Yannick Warnier <yannick.warnier@beeznest.com>
*
* @package chamilo.webservices
*/
require_once __DIR__.'/../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 ['error_msg' => 'Security check failed'];
}
$vis = [
'public' => '3',
'public-registered' => '2',
'private' => '1',
'closed' => '0',
];
$courses_list = [];
if (!is_array($visibilities)) {
$tmp = $visibilities;
$visibilities = [$tmp];
}
foreach ($visibilities as $visibility) {
if (!in_array($visibility, array_keys($vis))) {
return ['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']] = [
'title' => api_utf8_encode(
$course_info['title']
),
'url' => api_get_path(WEB_COURSE_PATH).$course_info['directory'].'/',
'teacher' => api_utf8_encode($course_info['tutor_name']),
'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']) || 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>';