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rate_ajax.php
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rate_ajax.php
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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/>.
/**
* This page receives ajax rating submissions
*
* It is similar to rate.php. Unlike rate.php a return url is NOT required.
*
* @package moodlecore
* @copyright 2010 Andrew Davis
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../config.php');
require_once('lib.php');
$contextid = required_param('contextid', PARAM_INT);
$itemid = required_param('itemid', PARAM_INT);
$scaleid = required_param('scaleid', PARAM_INT);
$userrating = required_param('rating', PARAM_INT);
$result = new stdClass;
//if session has expired and its an ajax request so we cant do a page redirect
if( !isloggedin() ){
$result->error = get_string('sessionerroruser', 'error');
echo json_encode($result);
die();
}
list($context, $course, $cm) = get_context_info_array($contextid);
require_login($course, false, $cm);
if( !has_capability('moodle/rating:rate',$context) ) {
$result->error = get_string('ratepermissiondenied', 'ratings');
echo json_encode($result);
die();
}
//todo andrew deny access to guest user. Petr to define "guest"
$userid = $USER->id;
$PAGE->set_url('/lib/rate.php', array(
'contextid'=>$contextid
));
//todo how can we validate the forum post,glossary entry or whatever id?
//how do we know where to look for the item? how we we work from module to forum_posts, glossary_entries etc?
$ratingoptions = new stdclass;
$ratingoptions->context = $context;
$ratingoptions->itemid = $itemid;
$ratingoptions->scaleid = $scaleid;
$ratingoptions->userid = $userid;
$rating = new rating($ratingoptions);
$rating->update_rating($userrating);
$result = new stdClass;
$result->success = true;
echo json_encode($result);