moodle/user/externallib.php
2011-06-14 10:45:03 +08:00

642 lines
34 KiB
PHP

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* External user API
*
* @package moodlecore
* @subpackage webservice
* @copyright 2009 Moodle Pty Ltd (http://moodle.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once("$CFG->libdir/externallib.php");
class moodle_user_external extends external_api {
/**
* Returns description of method parameters
* @return external_function_parameters
*/
public static function create_users_parameters() {
global $CFG;
return new external_function_parameters(
array(
'users' => new external_multiple_structure(
new external_single_structure(
array(
'username' => new external_value(PARAM_RAW, 'Username policy is defined in Moodle security config'),
'password' => new external_value(PARAM_RAW, 'Plain text password consisting of any characters'),
'firstname' => new external_value(PARAM_NOTAGS, 'The first name(s) of the user'),
'lastname' => new external_value(PARAM_NOTAGS, 'The family name of the user'),
'email' => new external_value(PARAM_EMAIL, 'A valid and unique email address'),
'auth' => new external_value(PARAM_SAFEDIR, 'Auth plugins include manual, ldap, imap, etc', VALUE_DEFAULT, 'manual', NULL_NOT_ALLOWED),
'idnumber' => new external_value(PARAM_RAW, 'An arbitrary ID code number perhaps from the institution', VALUE_DEFAULT, ''),
'lang' => new external_value(PARAM_SAFEDIR, 'Language code such as "en", must exist on server', VALUE_DEFAULT, $CFG->lang, NULL_NOT_ALLOWED),
'theme' => new external_value(PARAM_SAFEDIR, 'Theme name such as "standard", must exist on server', VALUE_OPTIONAL),
'timezone' => new external_value(PARAM_TIMEZONE, 'Timezone code such as Australia/Perth, or 99 for default', VALUE_OPTIONAL),
'mailformat' => new external_value(PARAM_INTEGER, 'Mail format code is 0 for plain text, 1 for HTML etc', VALUE_OPTIONAL),
'description' => new external_value(PARAM_TEXT, 'User profile description, no HTML', VALUE_OPTIONAL),
'city' => new external_value(PARAM_NOTAGS, 'Home city of the user', VALUE_OPTIONAL),
'country' => new external_value(PARAM_ALPHA, 'Home country code of the user, such as AU or CZ', VALUE_OPTIONAL),
'preferences' => new external_multiple_structure(
new external_single_structure(
array(
'type' => new external_value(PARAM_ALPHANUMEXT, 'The name of the preference'),
'value' => new external_value(PARAM_RAW, 'The value of the preference')
)
), 'User preferences', VALUE_OPTIONAL),
'customfields' => new external_multiple_structure(
new external_single_structure(
array(
'type' => new external_value(PARAM_ALPHANUMEXT, 'The name of the custom field'),
'value' => new external_value(PARAM_RAW, 'The value of the custom field')
)
), 'User custom fields (also known as user profil fields)', VALUE_OPTIONAL)
)
)
)
)
);
}
/**
* Create one or more users
*
* @param array $users An array of users to create.
* @return array An array of arrays
*/
public static function create_users($users) {
global $CFG, $DB;
require_once($CFG->dirroot."/user/lib.php");
require_once($CFG->dirroot."/user/profile/lib.php"); //required for customfields related function
//TODO: move the functions somewhere else as
//they are "user" related
// Ensure the current user is allowed to run this function
$context = get_context_instance(CONTEXT_SYSTEM);
self::validate_context($context);
require_capability('moodle/user:create', $context);
// Do basic automatic PARAM checks on incoming data, using params description
// If any problems are found then exceptions are thrown with helpful error messages
$params = self::validate_parameters(self::create_users_parameters(), array('users'=>$users));
$availableauths = get_plugin_list('auth');
unset($availableauths['mnet']); // these would need mnethostid too
unset($availableauths['webservice']); // we do not want new webservice users for now
$availablethemes = get_plugin_list('theme');
$availablelangs = get_string_manager()->get_list_of_translations();
$transaction = $DB->start_delegated_transaction();
$userids = array();
foreach ($params['users'] as $user) {
// Make sure that the username doesn't already exist
if ($DB->record_exists('user', array('username'=>$user['username'], 'mnethostid'=>$CFG->mnet_localhost_id))) {
throw new invalid_parameter_exception('Username already exists: '.$user['username']);
}
// Make sure auth is valid
if (empty($availableauths[$user['auth']])) {
throw new invalid_parameter_exception('Invalid authentication type: '.$user['auth']);
}
// Make sure lang is valid
if (empty($availablelangs[$user['lang']])) {
throw new invalid_parameter_exception('Invalid language code: '.$user['lang']);
}
// Make sure lang is valid
if (!empty($user['theme']) && empty($availablethemes[$user['theme']])) { //theme is VALUE_OPTIONAL,
// so no default value.
// We need to test if the client sent it
// => !empty($user['theme'])
throw new invalid_parameter_exception('Invalid theme: '.$user['theme']);
}
// make sure there is no data loss during truncation
$truncated = truncate_userinfo($user);
foreach ($truncated as $key=>$value) {
if ($truncated[$key] !== $user[$key]) {
throw new invalid_parameter_exception('Property: '.$key.' is too long: '.$user[$key]);
}
}
$user['confirmed'] = true;
$user['mnethostid'] = $CFG->mnet_localhost_id;
$user['id'] = user_create_user($user);
// custom fields
if(!empty($user['customfields'])) {
foreach($user['customfields'] as $customfield) {
$user["profile_field_".$customfield['type']] = $customfield['value']; //profile_save_data() saves profile file
//it's expecting a user with the correct id,
//and custom field to be named profile_field_"shortname"
}
profile_save_data((object) $user);
}
//preferences
if (!empty($user['preferences'])) {
foreach($user['preferences'] as $preference) {
set_user_preference($preference['type'], $preference['value'],$user['id']);
}
}
$userids[] = array('id'=>$user['id'], 'username'=>$user['username']);
}
$transaction->allow_commit();
return $userids;
}
/**
* Returns description of method result value
* @return external_description
*/
public static function create_users_returns() {
return new external_multiple_structure(
new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'user id'),
'username' => new external_value(PARAM_RAW, 'user name'),
)
)
);
}
/**
* Returns description of method parameters
* @return external_function_parameters
*/
public static function delete_users_parameters() {
return new external_function_parameters(
array(
'userids' => new external_multiple_structure(new external_value(PARAM_INT, 'user ID')),
)
);
}
public static function delete_users($userids) {
global $CFG, $DB, $USER;
require_once($CFG->dirroot."/user/lib.php");
// Ensure the current user is allowed to run this function
$context = get_context_instance(CONTEXT_SYSTEM);
require_capability('moodle/user:delete', $context);
self::validate_context($context);
$params = self::validate_parameters(self::delete_users_parameters(), array('userids'=>$userids));
$transaction = $DB->start_delegated_transaction();
foreach ($params['userids'] as $userid) {
$user = $DB->get_record('user', array('id'=>$userid, 'deleted'=>0), '*', MUST_EXIST);
// must not allow deleting of admins or self!!!
if (is_siteadmin($user)) {
throw new moodle_exception('useradminodelete', 'error');
}
if ($USER->id == $user->id) {
throw new moodle_exception('usernotdeletederror', 'error');
}
user_delete_user($user);
}
$transaction->allow_commit();
return null;
}
/**
* Returns description of method result value
* @return external_description
*/
public static function delete_users_returns() {
return null;
}
/**
* Returns description of method parameters
* @return external_function_parameters
*/
public static function update_users_parameters() {
global $CFG;
return new external_function_parameters(
array(
'users' => new external_multiple_structure(
new external_single_structure(
array(
'id' => new external_value(PARAM_NUMBER, 'ID of the user'),
'username' => new external_value(PARAM_RAW, 'Username policy is defined in Moodle security config', VALUE_OPTIONAL, '',NULL_NOT_ALLOWED),
'password' => new external_value(PARAM_RAW, 'Plain text password consisting of any characters', VALUE_OPTIONAL, '',NULL_NOT_ALLOWED),
'firstname' => new external_value(PARAM_NOTAGS, 'The first name(s) of the user', VALUE_OPTIONAL, '',NULL_NOT_ALLOWED),
'lastname' => new external_value(PARAM_NOTAGS, 'The family name of the user', VALUE_OPTIONAL),
'email' => new external_value(PARAM_EMAIL, 'A valid and unique email address', VALUE_OPTIONAL, '',NULL_NOT_ALLOWED),
'auth' => new external_value(PARAM_SAFEDIR, 'Auth plugins include manual, ldap, imap, etc', VALUE_OPTIONAL, '', NULL_NOT_ALLOWED),
'idnumber' => new external_value(PARAM_RAW, 'An arbitrary ID code number perhaps from the institution', VALUE_OPTIONAL),
'lang' => new external_value(PARAM_SAFEDIR, 'Language code such as "en", must exist on server', VALUE_OPTIONAL, '', NULL_NOT_ALLOWED),
'theme' => new external_value(PARAM_SAFEDIR, 'Theme name such as "standard", must exist on server', VALUE_OPTIONAL),
'timezone' => new external_value(PARAM_TIMEZONE, 'Timezone code such as Australia/Perth, or 99 for default', VALUE_OPTIONAL),
'mailformat' => new external_value(PARAM_INTEGER, 'Mail format code is 0 for plain text, 1 for HTML etc', VALUE_OPTIONAL),
'description' => new external_value(PARAM_TEXT, 'User profile description, no HTML', VALUE_OPTIONAL),
'city' => new external_value(PARAM_NOTAGS, 'Home city of the user', VALUE_OPTIONAL),
'country' => new external_value(PARAM_ALPHA, 'Home country code of the user, such as AU or CZ', VALUE_OPTIONAL),
'customfields' => new external_multiple_structure(
new external_single_structure(
array(
'type' => new external_value(PARAM_ALPHANUMEXT, 'The name of the custom field'),
'value' => new external_value(PARAM_RAW, 'The value of the custom field')
)
), 'User custom fields (also known as user profil fields)', VALUE_OPTIONAL),
'preferences' => new external_multiple_structure(
new external_single_structure(
array(
'type' => new external_value(PARAM_ALPHANUMEXT, 'The name of the preference'),
'value' => new external_value(PARAM_RAW, 'The value of the preference')
)
), 'User preferences', VALUE_OPTIONAL),
)
)
)
)
);
}
public static function update_users($users) {
global $CFG, $DB;
require_once($CFG->dirroot."/user/lib.php");
require_once($CFG->dirroot."/user/profile/lib.php"); //required for customfields related function
//TODO: move the functions somewhere else as
//they are "user" related
// Ensure the current user is allowed to run this function
$context = get_context_instance(CONTEXT_SYSTEM);
require_capability('moodle/user:update', $context);
self::validate_context($context);
$params = self::validate_parameters(self::update_users_parameters(), array('users'=>$users));
$transaction = $DB->start_delegated_transaction();
foreach ($params['users'] as $user) {
user_update_user($user);
//update user custom fields
if(!empty($user['customfields'])) {
foreach($user['customfields'] as $customfield) {
$user["profile_field_".$customfield['type']] = $customfield['value']; //profile_save_data() saves profile file
//it's expecting a user with the correct id,
//and custom field to be named profile_field_"shortname"
}
profile_save_data((object) $user);
}
//preferences
if (!empty($user['preferences'])) {
foreach($user['preferences'] as $preference) {
set_user_preference($preference['type'], $preference['value'],$user['id']);
}
}
}
$transaction->allow_commit();
return null;
}
/**
* Returns description of method result value
* @return external_description
*/
public static function update_users_returns() {
return null;
}
/**
* Returns description of method parameters
* @return external_function_parameters
*/
public static function get_users_by_id_parameters() {
return new external_function_parameters(
array(
'userids' => new external_multiple_structure(new external_value(PARAM_INT, 'user ID')),
)
);
}
/**
* Get user information
* - This function is matching the permissions of /user/profil.php
* - It is also matching some permissions from /user/editadvanced.php for the following fields:
* auth, confirmed, idnumber, lang, theme, timezone, mailformat
* @param array $userids array of user ids
* @return array An array of arrays describing users
*/
public static function get_users_by_id($userids) {
global $CFG, $USER, $DB;
require_once($CFG->dirroot . "/user/lib.php");
require_once($CFG->dirroot . "/user/profile/lib.php"); //custom field library
$isadmin = is_siteadmin($USER);
$params = self::validate_parameters(self::get_users_by_id_parameters(),
array('userids'=>$userids));
$userscontexts = get_context_instance(CONTEXT_USER, $params['userids']);
$users = user_get_users_by_id($params['userids']);
$result = array();
foreach ($users as $user) {
$context = $userscontexts[$user->id];
$hasviewdetailscap = has_capability('moodle/user:viewdetails', $context);
$hasuserupdatecap = has_capability('moodle/user:update', get_system_context());
self::validate_context($context);
$currentuser = ($user->id == $USER->id);
if (empty($user->deleted)) {
if (!$currentuser && !$hasviewdetailscap && !has_coursecontact_role($user->id)) {
throw new moodle_exception('usernotavailable', 'error');
}
$userarray = array();
//basic fields
$userarray['id'] = $user->id;
if ($isadmin) {
$userarray['username'] = $user->username;
}
if ($isadmin or has_capability('moodle/site:viewfullnames', $context)) {
$userarray['firstname'] = $user->firstname;
$userarray['lastname'] = $user->lastname;
}
$userarray['fullname'] = fullname($user);
//fields matching permissions from /user/editadvanced.php
if ($currentuser or $hasuserupdatecap) {
$userarray['auth'] = $user->auth;
$userarray['confirmed'] = $user->confirmed;
$userarray['idnumber'] = $user->idnumber;
$userarray['lang'] = $user->lang;
$userarray['theme'] = $user->theme;
$userarray['timezone'] = $user->timezone;
$userarray['mailformat'] = $user->mailformat;
}
//Custom fields (matching /user/profil/lib.php - profile_display_fields code logic)
$userarray['customfields'] = array();
if ($categories = $DB->get_records('user_info_category', null, 'sortorder ASC')) {
foreach ($categories as $category) {
if ($fields = $DB->get_records('user_info_field', array('categoryid'=>$category->id), 'sortorder ASC')) {
foreach ($fields as $field) {
require_once($CFG->dirroot.'/user/profile/field/'.$field->datatype.'/field.class.php');
$newfield = 'profile_field_'.$field->datatype;
$formfield = new $newfield($field->id, $user->id);
if ($formfield->is_visible() and !$formfield->is_empty()) {
$userarray['customfields'][] =
array('name' => $formfield->field->name, 'value' => $formfield->data,
'type' => $field->datatype, 'shortname' => $formfield->field->shortname);
}
}
}
}
}
//image profiles urls (public, no permission required in fact)
$profileimageurl = moodle_url::make_pluginfile_url($context->id, 'user', 'icon', NULL, '/', 'f1');
$userarray['profileimageurl'] = $profileimageurl->out(false);
$profileimageurlsmall = moodle_url::make_pluginfile_url($context->id, 'user', 'icon', NULL, '/', 'f2');
$userarray['profileimageurlsmall'] = $profileimageurlsmall->out(false);
//hidden user field
if (has_capability('moodle/user:viewhiddendetails', $context)) {
$hiddenfields = array();
} else {
$hiddenfields = array_flip(explode(',', $CFG->hiddenuserfields));
}
if (isset($user->description) && (!isset($hiddenfields['description']) or $isadmin)) {
if (empty($CFG->profilesforenrolledusersonly) || $currentuser) {
$user->description = file_rewrite_pluginfile_urls($user->description, 'pluginfile.php', $context->id, 'user', 'profile', null);
$userarray['description'] = $user->description;
$userarray['descriptionformat'] = $user->descriptionformat;
}
}
if ((! isset($hiddenfields['country']) or $isadmin) && $user->country) {
$userarray['country'] = $user->country;
}
if ((! isset($hiddenfields['city']) or $isadmin) && $user->city) {
$userarray['city'] = $user->city;
}
if (has_capability('moodle/user:viewhiddendetails', $context)) {
if ($user->address) {
$userarray['address'] = $user->address;
}
if ($user->phone1) {
$userarray['phone1'] = $user->phone1;
}
if ($user->phone2) {
$userarray['phone2'] = $user->phone2;
}
}
if ($currentuser
or $user->maildisplay == 1
or has_capability('moodle/course:useremail', $context)
or ($user->maildisplay == 2 and enrol_sharing_course($user, $USER))) {
$userarray['email'] = $user->email;;
}
if ($user->url && (!isset($hiddenfields['webpage']) or $isadmin)) {
$url = $user->url;
if (strpos($user->url, '://') === false) {
$url = 'http://'. $url;
}
$user->url = clean_param($user->url, PARAM_URL);
$userarray['url'] = $user->url;
}
if ($user->icq && (!isset($hiddenfields['icqnumber']) or $isadmin)) {
$userarray['icq'] = $user->icq;
}
if ($user->skype && (!isset($hiddenfields['skypeid']) or $isadmin)) {
$userarray['skype'] = $user->skype;
}
if ($user->yahoo && (!isset($hiddenfields['yahooid']) or $isadmin)) {
$userarray['yahoo'] = $user->yahoo;
}
if ($user->aim && (!isset($hiddenfields['aimid']) or $isadmin)) {
$userarray['aim'] = $user->aim;
}
if ($user->msn && (!isset($hiddenfields['msnid']) or $isadmin)) {
$userarray['msn'] = $user->msn;
}
if ((!isset($hiddenfields['firstaccess'])) or $isadmin) {
if ($user->firstaccess) {
$userarray['firstaccess'] = $user->firstaccess;
} else {
$userarray['firstaccess'] = 0;
}
}
if ((!isset($hiddenfields['lastaccess'])) or $isadmin) {
if ($user->lastaccess) {
$userarray['lastaccess'] = $user->lastaccess;
} else {
$userarray['lastaccess'] = 0;
}
}
/// Printing tagged interests
if (!empty($CFG->usetags)) {
require_once($CFG->dirroot . '/tag/lib.php');
if ($interests = tag_get_tags_csv('user', $user->id, TAG_RETURN_TEXT) ) {
$userarray['interests'] = $interests;
}
}
//Departement/Institution are not displayed on any profile, however you can get them from editing profile.
if ($isadmin or $currentuser) {
if ($user->institution) {
$userarray['institution'] = $user->institution;
}
if (isset($user->department)) { //isset because it's ok to have department 0
$userarray['department'] = $user->department;
}
}
//list of courses where the user is enrolled
$enrolledcourses = array();
if (!isset($hiddenfields['mycourses'])) {
if ($mycourses = enrol_get_users_courses($user->id, true, NULL, 'visible DESC,sortorder ASC')) {
$courselisting = '';
foreach ($mycourses as $mycourse) {
if ($mycourse->category) {
if ($mycourse->visible == 0) {
$ccontext = get_context_instance(CONTEXT_COURSE, $mycourse->id);
if (!has_capability('moodle/course:viewhiddencourses', $ccontext)) {
continue;
}
}
$enrolledcourse = array();
$enrolledcourse['id'] = $mycourse->id;
$enrolledcourse['fullname'] = $mycourse->fullname;
$enrolledcourses[] = $enrolledcourse;
}
}
$userarray['enrolledcourses'] = $enrolledcourses;
}
}
//user preferences
if ($currentuser) {
$preferences = array();
$userpreferences = get_user_preferences();
foreach($userpreferences as $prefname => $prefvalue) {
$preferences[] = array('name' => $prefname, 'value' => $prefvalue);
}
$userarray['preferences'] = $preferences;
}
}
$result[] = $userarray;
}
return $result;
}
/**
* Returns description of method result value
* @return external_description
*/
public static function get_users_by_id_returns() {
return new external_multiple_structure(
new external_single_structure(
array(
'id' => new external_value(PARAM_NUMBER, 'ID of the user'),
'username' => new external_value(PARAM_RAW, 'Username policy is defined in Moodle security config', VALUE_OPTIONAL),
'firstname' => new external_value(PARAM_NOTAGS, 'The first name(s) of the user', VALUE_OPTIONAL),
'lastname' => new external_value(PARAM_NOTAGS, 'The family name of the user', VALUE_OPTIONAL),
'fullname' => new external_value(PARAM_NOTAGS, 'The fullname of the user'),
'email' => new external_value(PARAM_TEXT, 'An email address - allow email as root@localhost', VALUE_OPTIONAL),
'address' => new external_value(PARAM_MULTILANG, 'Postal address', VALUE_OPTIONAL),
'phone1' => new external_value(PARAM_NOTAGS, 'Phone 1', VALUE_OPTIONAL),
'phone2' => new external_value(PARAM_NOTAGS, 'Phone 2', VALUE_OPTIONAL),
'icq' => new external_value(PARAM_NOTAGS, 'icq number', VALUE_OPTIONAL),
'skype' => new external_value(PARAM_NOTAGS, 'skype id', VALUE_OPTIONAL),
'yahoo' => new external_value(PARAM_NOTAGS, 'yahoo id', VALUE_OPTIONAL),
'aim' => new external_value(PARAM_NOTAGS, 'aim id', VALUE_OPTIONAL),
'msn' => new external_value(PARAM_NOTAGS, 'msn number', VALUE_OPTIONAL),
'department' => new external_value(PARAM_TEXT, 'department', VALUE_OPTIONAL),
'institution' => new external_value(PARAM_TEXT, 'institution', VALUE_OPTIONAL),
'interests' => new external_value(PARAM_TEXT, 'user interests (separated by commas)', VALUE_OPTIONAL),
'firstaccess' => new external_value(PARAM_INT, 'first access to the site (0 if never)', VALUE_OPTIONAL),
'lastaccess' => new external_value(PARAM_INT, 'last access to the site (0 if never)', VALUE_OPTIONAL),
'auth' => new external_value(PARAM_SAFEDIR, 'Auth plugins include manual, ldap, imap, etc', VALUE_OPTIONAL),
'confirmed' => new external_value(PARAM_NUMBER, 'Active user: 1 if confirmed, 0 otherwise', VALUE_OPTIONAL),
'idnumber' => new external_value(PARAM_RAW, 'An arbitrary ID code number perhaps from the institution', VALUE_OPTIONAL),
'lang' => new external_value(PARAM_SAFEDIR, 'Language code such as "en", must exist on server', VALUE_OPTIONAL),
'theme' => new external_value(PARAM_SAFEDIR, 'Theme name such as "standard", must exist on server', VALUE_OPTIONAL),
'timezone' => new external_value(PARAM_TIMEZONE, 'Timezone code such as Australia/Perth, or 99 for default', VALUE_OPTIONAL),
'mailformat' => new external_value(PARAM_INTEGER, 'Mail format code is 0 for plain text, 1 for HTML etc', VALUE_OPTIONAL),
'description' => new external_value(PARAM_RAW, 'User profile description', VALUE_OPTIONAL),
'descriptionformat' => new external_value(PARAM_INT, 'User profile description format', VALUE_OPTIONAL),
'city' => new external_value(PARAM_NOTAGS, 'Home city of the user', VALUE_OPTIONAL),
'url' => new external_value(PARAM_URL, 'URL of the user', VALUE_OPTIONAL),
'country' => new external_value(PARAM_ALPHA, 'Home country code of the user, such as AU or CZ', VALUE_OPTIONAL),
'profileimageurlsmall' => new external_value(PARAM_URL, 'User image profile URL - small version'),
'profileimageurl' => new external_value(PARAM_URL, 'User image profile URL - big version'),
'customfields' => new external_multiple_structure(
new external_single_structure(
array(
'type' => new external_value(PARAM_ALPHANUMEXT, 'The type of the custom field - text field, checkbox...'),
'value' => new external_value(PARAM_RAW, 'The value of the custom field'),
'name' => new external_value(PARAM_RAW, 'The name of the custom field'),
'shortname' => new external_value(PARAM_RAW, 'The shortname of the custom field - to be able to build the field class in the code'),
)
), 'User custom fields (also known as user profil fields)', VALUE_OPTIONAL),
'preferences' => new external_multiple_structure(
new external_single_structure(
array(
'name' => new external_value(PARAM_ALPHANUMEXT, 'The name of the preferences'),
'value' => new external_value(PARAM_RAW, 'The value of the custom field'),
)
), 'User preferences', VALUE_OPTIONAL),
'enrolledcourses' => new external_multiple_structure(
new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'Id of the course'),
'fullname' => new external_value(PARAM_RAW, 'Fullname of the course')
)
), 'Courses where the user is enrolled - limited by which courses the user is able to see', VALUE_OPTIONAL)
)
)
);
}
}