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Differences Between: [Versions 310 and 311] [Versions 310 and 400] [Versions 310 and 401] [Versions 310 and 402] [Versions 310 and 403]

   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 file contains the moodle hooks for the submission comments plugin
  19   *
  20   * @package   assignsubmission_comments
  21   * @copyright 2012 NetSpot {@link http://www.netspot.com.au}
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  defined('MOODLE_INTERNAL') || die();
  25  
  26  /**
  27   *
  28   * Callback method for data validation---- required method for AJAXmoodle based comment API
  29   *
  30   * @param stdClass $options
  31   * @return bool
  32   */
  33  function assignsubmission_comments_comment_validate(stdClass $options) {
  34      global $USER, $CFG, $DB;
  35  
  36      if ($options->commentarea != 'submission_comments' &&
  37              $options->commentarea != 'submission_comments_upgrade') {
  38          throw new comment_exception('invalidcommentarea');
  39      }
  40      if (!$submission = $DB->get_record('assign_submission', array('id'=>$options->itemid))) {
  41          throw new comment_exception('invalidcommentitemid');
  42      }
  43      $context = $options->context;
  44  
  45      require_once($CFG->dirroot . '/mod/assign/locallib.php');
  46      $assignment = new assign($context, null, null);
  47  
  48      if ($assignment->get_instance()->id != $submission->assignment) {
  49          throw new comment_exception('invalidcontext');
  50      }
  51  
  52      return true;
  53  }
  54  
  55  /**
  56   * Permission control method for submission plugin ---- required method for AJAXmoodle based comment API
  57   *
  58   * @param stdClass $options
  59   * @return array
  60   */
  61  function assignsubmission_comments_comment_permissions(stdClass $options) {
  62      global $USER, $CFG, $DB;
  63  
  64      if ($options->commentarea != 'submission_comments' &&
  65              $options->commentarea != 'submission_comments_upgrade') {
  66          throw new comment_exception('invalidcommentarea');
  67      }
  68      if (!$submission = $DB->get_record('assign_submission', array('id'=>$options->itemid))) {
  69          throw new comment_exception('invalidcommentitemid');
  70      }
  71      $context = $options->context;
  72  
  73      require_once($CFG->dirroot . '/mod/assign/locallib.php');
  74      $assignment = new assign($context, null, null);
  75  
  76      if ($assignment->get_instance()->id != $submission->assignment) {
  77          throw new comment_exception('invalidcontext');
  78      }
  79  
  80      if ($assignment->get_instance()->teamsubmission &&
  81          !$assignment->can_view_group_submission($submission->groupid)) {
  82          return array('post' => false, 'view' => false);
  83      }
  84  
  85      if (!$assignment->get_instance()->teamsubmission &&
  86          !$assignment->can_view_submission($submission->userid)) {
  87          return array('post' => false, 'view' => false);
  88      }
  89  
  90      return array('post' => true, 'view' => true);
  91  }
  92  
  93  /**
  94   * Callback called by comment::get_comments() and comment::add(). Gives an opportunity to enforce blind-marking.
  95   *
  96   * @param array $comments
  97   * @param stdClass $options
  98   * @return array
  99   * @throws comment_exception
 100   */
 101  function assignsubmission_comments_comment_display($comments, $options) {
 102      global $CFG, $DB, $USER;
 103  
 104      if ($options->commentarea != 'submission_comments' &&
 105          $options->commentarea != 'submission_comments_upgrade') {
 106          throw new comment_exception('invalidcommentarea');
 107      }
 108      if (!$submission = $DB->get_record('assign_submission', array('id'=>$options->itemid))) {
 109          throw new comment_exception('invalidcommentitemid');
 110      }
 111      $context = $options->context;
 112      $cm = $options->cm;
 113      $course = $options->courseid;
 114  
 115      require_once($CFG->dirroot . '/mod/assign/locallib.php');
 116      $assignment = new assign($context, $cm, $course);
 117  
 118      if ($assignment->get_instance()->id != $submission->assignment) {
 119          throw new comment_exception('invalidcontext');
 120      }
 121  
 122      if ($assignment->is_blind_marking() && !empty($comments)) {
 123          // Blind marking is being used, may need to map unique anonymous ids to the comments.
 124          $usermappings = array();
 125          $guestuser = guest_user();
 126  
 127          // Check group users first.
 128          $userinteam = false;
 129          if ($assignment->get_instance()->teamsubmission && has_capability('mod/assign:submit', $context)) {
 130              $assignment->set_course(get_course($course));
 131              $userinteam = $assignment->can_edit_group_submission($submission->groupid);
 132          }
 133  
 134          foreach ($comments as $comment) {
 135  
 136              if (has_capability('mod/assign:viewblinddetails', $context) && $USER->id != $comment->userid) {
 137                  $anonid = $assignment->get_uniqueid_for_user($comment->userid);
 138                  // Show participant information and the user's full name to users with the view blind details capability.
 139                  $a = new stdClass();
 140                  $a->participantnumber = $anonid;
 141                  $a->participantfullname = $comment->fullname;
 142                  $comment->fullname = get_string('blindmarkingviewfullname', 'assignsubmission_comments', $a);
 143              } else if ($USER->id == $comment->userid || $submission->userid == $USER->id || $userinteam) { //@codingStandardsIgnoreLine
 144                  // Do not anonymize the user details for this comment.
 145              } else {
 146                  // Anonymize the comments.
 147                  if (empty($usermappings[$comment->userid])) {
 148                      $anonid = $assignment->get_uniqueid_for_user($comment->userid);
 149                      // The blind-marking information for this commenter has not been generated; do so now.
 150                      $commenter = new stdClass();
 151                      $commenter->firstname = get_string('blindmarkingname', 'assignsubmission_comments', $anonid);
 152                      $commenter->lastname = '';
 153                      $commenter->firstnamephonetic = '';
 154                      $commenter->lastnamephonetic = '';
 155                      $commenter->middlename = '';
 156                      $commenter->alternatename = '';
 157                      $commenter->picture = 0;
 158                      $commenter->id = $guestuser->id;
 159                      $commenter->email = $guestuser->email;
 160                      $commenter->imagealt = $guestuser->imagealt;
 161  
 162                      // Temporarily store blind-marking information for use in later comments if necessary.
 163                      $usermappings[$comment->userid] = new stdClass();
 164                      $usermappings[$comment->userid]->fullname = fullname($commenter);
 165                      $usermappings[$comment->userid]->avatar = $assignment->get_renderer()->user_picture($commenter,
 166                              array('size' => 18, 'link' => false));
 167                  }
 168  
 169                  // Set blind-marking information for this comment.
 170                  $comment->fullname = $usermappings[$comment->userid]->fullname;
 171                  $comment->avatar = $usermappings[$comment->userid]->avatar;
 172                  $comment->profileurl = null;
 173              }
 174          }
 175      }
 176  
 177      return $comments;
 178  }
 179  
 180  /**
 181   * Callback to force the userid for all comments to be the userid of the submission and NOT the global $USER->id. This
 182   * is required by the upgrade code. Note the comment area is used to identify upgrades.
 183   *
 184   * @param stdClass $comment
 185   * @param stdClass $param
 186   */
 187  function assignsubmission_comments_comment_add(stdClass $comment, stdClass $param) {
 188  
 189      global $DB;
 190      if ($comment->commentarea == 'submission_comments_upgrade') {
 191          $submissionid = $comment->itemid;
 192          $submission = $DB->get_record('assign_submission', array('id' => $submissionid));
 193  
 194          $comment->userid = $submission->userid;
 195          $comment->commentarea = 'submission_comments';
 196      }
 197  }
 198