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<?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/>.
/**
* Moodle REST library
*
* @package webservice_rest
* @copyright 2009 Jerome Mouneyrac
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* Moodle REST client
*
* It has been implemented for unit testing purpose (all protocols have similar client)
*
* @package webservice_rest
* @copyright 2010 Jerome Mouneyrac
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class webservice_rest_client {
/** @var moodle_url the REST server url */
private $serverurl;
/** @var string token */
private $token;
/** @var string returned value format: xml or json */
private $format;
/**
* Constructor
*
* @param string $serverurl a Moodle URL
* @param string $token the token used to do the web service call
* @param string $format returned value format: xml or json
*/
public function __construct($serverurl, $token, $format = 'xml') {
$this->serverurl = new moodle_url($serverurl);
$this->token = $token;
$this->format = $format;
}
/**
* Set the token used to do the REST call
*
* @param string $token the token used to do the web service call
*/
public function set_token($token) {
$this->token = $token;
}
/**
* Execute client WS request with token authentication
*
* @param string $functionname the function name
* @param array $params the parameters of the function
* @return mixed
*/
public function call($functionname, $params) {
global $DB, $CFG;
if ($this->format == 'json') {
$formatparam = '&moodlewsrestformat=json';
$this->serverurl->param('moodlewsrestformat','json');
} else {
$formatparam = ''; //to keep retro compability with old server that only support xml (they don't expect this param)
}
$this->serverurl->param('wstoken',$this->token);
$this->serverurl->param('wsfunction',$functionname); //you could also use params().
$result = download_file_content($this->serverurl->out(false), null, $params);
//TODO MDL-22965 transform the XML result into PHP values
if ($this->format == 'json') {
$result = json_decode($result);
}
return $result;
}
}