mod/workshop/excompare.php

   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  * Display example submission followed by its reference assessment and the user's assessment to compare them
  19  *
  20  * @package    mod_workshop
  21  * @copyright  2009 David Mudrak <david.mudrak@gmail.com>
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once(dirname(dirname(dirname(__FILE__))).'/config.php');
  26 require_once(dirname(__FILE__).'/locallib.php');
  27
  28 $cmid   = required_param('cmid', PARAM_INT);    // course module id
  29 $sid    = required_param('sid', PARAM_INT);     // example submission id
  30 $aid    = required_param('aid', PARAM_INT);     // the user's assessment id
  31
  32 $cm     = get_coursemodule_from_id('workshop', $cmid, 0, false, MUST_EXIST);
  33 $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  34
  35 require_login($course, false, $cm);
  36 if (isguestuser()) {
  37     print_error('guestsarenotallowed');
  38 }
  39
  40 $workshop = $DB->get_record('workshop', array('id' => $cm->instance), '*', MUST_EXIST);
  41 $workshop = new workshop($workshop, $cm, $course);
  42 $strategy = $workshop->grading_strategy_instance();
  43
  44 $PAGE->set_url($workshop->excompare_url($sid, $aid));
  45
  46 $example    = $workshop->get_example_by_id($sid);
  47 $assessment = $workshop->get_assessment_by_id($aid);
  48 if ($assessment->submissionid != $example->id) {
  49    print_error('invalidarguments');
  50 }
  51 $mformassessment = $strategy->get_assessment_form($PAGE->url, 'assessment', $assessment, false);
  52 if ($refasid = $DB->get_field('workshop_assessments', 'id', array('submissionid' => $example->id, 'weight' => 1))) {
  53     $reference = $workshop->get_assessment_by_id($refasid);
  54     $mformreference = $strategy->get_assessment_form($PAGE->url, 'assessment', $reference, false);
  55 }
  56
  57 $canmanage  = has_capability('mod/workshop:manageexamples', $workshop->context);
  58 $isreviewer = ($USER->id == $assessment->reviewerid);
  59
  60 if ($canmanage) {
  61     // ok you can go
  62 } elseif ($isreviewer and $workshop->assessing_examples_allowed()) {
  63     // ok you can go
  64 } else {
  65     print_error('nopermissions', 'error', $workshop->view_url(), 'compare example assessment');
  66 }
  67
  68 $PAGE->set_title($workshop->name);
  69 $PAGE->set_heading($course->fullname);
  70 $PAGE->navbar->add(get_string('examplecomparing', 'workshop'));
  71
  72 // Output starts here
  73 $output = $PAGE->get_renderer('mod_workshop');
  74 echo $output->header();
  75 echo $output->heading(format_string($workshop->name));
  76 echo $output->heading(get_string('assessedexample', 'workshop'), 3);
  77
  78 echo $output->render($workshop->prepare_example_submission($example));
  79
  80 // if the reference assessment is available, display it
  81 if (!empty($mformreference)) {
  82     $options = array(
  83         'showreviewer'  => false,
  84         'showauthor'    => false,
  85         'showform'      => true,
  86     );
  87     $reference = $workshop->prepare_example_reference_assessment($reference, $mformreference, $options);
  88     $reference->title = get_string('assessmentreference', 'workshop');
  89     if ($canmanage) {
  90         $reference->url = $workshop->exassess_url($reference->id);
  91     }
  92     echo $output->render($reference);
  93 }
  94
  95 if ($isreviewer) {
  96     $options = array(
  97         'showreviewer'  => true,
  98         'showauthor'    => false,
  99         'showform'      => true,
 100     );
 101     $assessment = $workshop->prepare_example_assessment($assessment, $mformassessment, $options);
 102     $assessment->title = get_string('assessmentbyyourself', 'workshop');
 103     if ($workshop->assessing_examples_allowed()) {
 104         $assessment->add_action(
 105             new moodle_url($workshop->exsubmission_url($example->id), array('assess' => 'on', 'sesskey' => sesskey())),
 106             get_string('reassess', 'workshop')
 107         );
 108     }
 109     echo $output->render($assessment);
 110
 111 } elseif ($canmanage) {
 112     $options = array(
 113         'showreviewer'  => true,
 114         'showauthor'    => false,
 115         'showform'      => true,
 116     );
 117     $assessment = $workshop->prepare_example_assessment($assessment, $mformassessment, $options);
 118     echo $output->render($assessment);
 119 }
 120
 121 echo $output->footer();