1<?php 2// This file is part of Moodle - http://moodle.org/ 3// 4// Moodle is free software: you can redistribute it and/or modify 5// it under the terms of the GNU General Public License as published by 6// the Free Software Foundation, either version 3 of the License, or 7// (at your option) any later version. 8// 9// Moodle is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13// 14// You should have received a copy of the GNU General Public License 15// along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17/** 18 * This page receives ajax rating submissions 19 * 20 * It is similar to rate.php. Unlike rate.php a return url is NOT required. 21 * 22 * @package core_rating 23 * @category rating 24 * @copyright 2010 Andrew Davis 25 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 26 */ 27 28define('AJAX_SCRIPT', true); 29 30require_once('../config.php'); 31require_once($CFG->dirroot.'/rating/lib.php'); 32 33$contextid = required_param('contextid', PARAM_INT); 34$component = required_param('component', PARAM_COMPONENT); 35$ratingarea = required_param('ratingarea', PARAM_AREA); 36$itemid = required_param('itemid', PARAM_INT); 37$scaleid = required_param('scaleid', PARAM_INT); 38$userrating = required_param('rating', PARAM_INT); 39$rateduserid = required_param('rateduserid', PARAM_INT); // The user being rated. Required to update their grade. 40$aggregationmethod = optional_param('aggregation', RATING_AGGREGATE_NONE, PARAM_INT); // Used to calculate the aggregate to return. 41 42$result = new stdClass; 43 44// If session has expired and its an ajax request so we cant do a page redirect. 45if (!isloggedin()) { 46 $result->error = get_string('sessionerroruser', 'error'); 47 echo json_encode($result); 48 die(); 49} 50 51list($context, $course, $cm) = get_context_info_array($contextid); 52require_login($course, false, $cm); 53 54$contextid = null; // Now we have a context object, throw away the id from the user. 55$PAGE->set_context($context); 56$PAGE->set_url('/rating/rate_ajax.php', array('contextid' => $context->id)); 57 58if (!confirm_sesskey() || !has_capability('moodle/rating:rate', $context)) { 59 echo $OUTPUT->header(); 60 echo get_string('ratepermissiondenied', 'rating'); 61 echo $OUTPUT->footer(); 62 die(); 63} 64 65$rm = new rating_manager(); 66$result = $rm->add_rating($cm, $context, $component, $ratingarea, $itemid, $scaleid, $userrating, $rateduserid, $aggregationmethod); 67 68// Return translated error. 69if (!empty($result->error)) { 70 $result->error = get_string($result->error, 'rating'); 71} 72 73echo json_encode($result); 74