rating/rate.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * This page receives non-ajax rating submissions
  20  *
  21  * It is similar to rate_ajax.php. Unlike rate_ajax.php a return url is required.
  22  *
  23  * @package    core
  24  * @subpackage rating
  25  * @copyright  2010 Andrew Davis
  26  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  27  */
  28
  29 require_once('../config.php');
  30 require_once('lib.php');
  31
  32 $contextid = required_param('contextid', PARAM_INT);
  33 $itemid = required_param('itemid', PARAM_INT);
  34 $scaleid = required_param('scaleid', PARAM_INT);
  35 $userrating = required_param('rating', PARAM_INT);
  36 $rateduserid = required_param('rateduserid', PARAM_INT);//which user is being rated. Required to update their grade
  37 $returnurl = required_param('returnurl', PARAM_LOCALURL);//required for non-ajax requests
  38
  39 $result = new stdClass;
  40
  41 list($context, $course, $cm) = get_context_info_array($contextid);
  42 require_login($course, false, $cm);
  43
  44 $contextid = null;//now we have a context object throw away the id from the user
  45
  46 if (!confirm_sesskey() || $USER->id==$rateduserid) {
  47     echo $OUTPUT->header();
  48     echo get_string('ratepermissiondenied', 'rating');
  49     echo $OUTPUT->footer();
  50     die();
  51 }
  52
  53 $rm = new rating_manager();
  54
  55 //check the module rating permissions
  56 $pluginrateallowed = true;
  57 $pluginpermissionsarray = null;
  58 if ($context->contextlevel==CONTEXT_MODULE) {
  59     $plugintype = 'mod';
  60     $pluginname = $cm->modname;
  61     $pluginpermissionsarray = $rm->get_plugin_permissions_array($context->id, $plugintype, $pluginname);
  62     $pluginrateallowed = $pluginpermissionsarray['rate'];
  63
  64     if ($pluginrateallowed) {
  65         //check the item exists and isn't owned by the current user
  66         $pluginrateallowed = $rm->check_item_and_owner($plugintype, $pluginname, $itemid);
  67     }
  68 }
  69
  70 if (!$pluginrateallowed || !has_capability('moodle/rating:rate',$context)) {
  71     echo $OUTPUT->header();
  72     echo get_string('ratepermissiondenied', 'rating');
  73     echo $OUTPUT->footer();
  74     die();
  75 }
  76
  77 $PAGE->set_url('/lib/rate.php', array('contextid'=>$context->id));
  78
  79 if ($userrating != RATING_UNSET_RATING) {
  80     $ratingoptions = new stdClass();
  81     $ratingoptions->context = $context;
  82     $ratingoptions->itemid  = $itemid;
  83     $ratingoptions->scaleid = $scaleid;
  84     $ratingoptions->userid  = $USER->id;
  85
  86     $rating = new rating($ratingoptions);
  87     $rating->update_rating($userrating);
  88 } else { //delete the rating if the user set to Rate...
  89     $options = new stdClass();
  90     $options->contextid = $context->id;
  91     $options->userid = $USER->id;
  92     $options->itemid = $itemid;
  93
  94     $rm->delete_ratings($options);
  95 }
  96
  97 //todo add a setting to turn grade updating off for those who don't want them in gradebook
  98 //note that this needs to be done in both rate.php and rate_ajax.php
  99 if(true){
 100     //tell the module that its grades have changed
 101     if ( !$modinstance = $DB->get_record($cm->modname, array('id' => $cm->instance)) ) {
 102         print_error('invalidid');
 103     }
 104     $modinstance->cmidnumber = $cm->id; //MDL-12961
 105     $functionname = $cm->modname.'_update_grades';
 106     require_once($CFG->dirroot."/mod/{$cm->modname}/lib.php");
 107     if(function_exists($functionname)) {
 108         $functionname($modinstance, $rateduserid);
 109     }
 110 }
 111
 112 redirect($returnurl);