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  • Bug fixes for general core bugs in 2.8.x ended 9 November 2015 (12 months).
  • Bug fixes for security issues in 2.8.x ended 9 May 2016 (18 months).
  • minimum PHP 5.4.4 (always use latest PHP 5.4.x or 5.5.x on Windows - http://windows.php.net/download/), PHP 7 is NOT supported
  • Differences Between: [Versions 28 and 29] [Versions 28 and 30] [Versions 28 and 31] [Versions 28 and 32] [Versions 28 and 33] [Versions 28 and 34] [Versions 28 and 35] [Versions 28 and 36] [Versions 28 and 37]

       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   * Renderer for use with the badges output
      19   *
      20   * @package    core
      21   * @subpackage badges
      22   * @copyright  2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
      23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
      24   * @author     Yuliya Bozhko <yuliya.bozhko@totaralms.com>
      25   */
      26  
      27  require_once($CFG->libdir . '/badgeslib.php');
      28  require_once($CFG->libdir . '/tablelib.php');
      29  
      30  /**
      31   * Standard HTML output renderer for badges
      32   */
      33  class core_badges_renderer extends plugin_renderer_base {
      34  
      35      // Outputs badges list.
      36      public function print_badges_list($badges, $userid, $profile = false, $external = false) {
      37          global $USER, $CFG;
      38          foreach ($badges as $badge) {
      39              if (!$external) {
      40                  $context = ($badge->type == BADGE_TYPE_SITE) ? context_system::instance() : context_course::instance($badge->courseid);
      41                  $bname = $badge->name;
      42                  $imageurl = moodle_url::make_pluginfile_url($context->id, 'badges', 'badgeimage', $badge->id, '/', 'f1', false);
      43              } else {
      44                  $bname = s($badge->assertion->badge->name);
      45                  $imageurl = $badge->imageUrl;
      46              }
      47  
      48              $name = html_writer::tag('span', $bname, array('class' => 'badge-name'));
      49  
      50              $image = html_writer::empty_tag('img', array('src' => $imageurl, 'class' => 'badge-image'));
      51              if (!empty($badge->dateexpire) && $badge->dateexpire < time()) {
      52                  $image .= $this->output->pix_icon('i/expired',
      53                          get_string('expireddate', 'badges', userdate($badge->dateexpire)),
      54                          'moodle',
      55                          array('class' => 'expireimage'));
      56                  $name .= '(' . get_string('expired', 'badges') . ')';
      57              }
      58  
      59              $download = $status = $push = '';
      60              if (($userid == $USER->id) && !$profile) {
      61                  $url = new moodle_url('mybadges.php', array('download' => $badge->id, 'hash' => $badge->uniquehash, 'sesskey' => sesskey()));
      62                  $notexpiredbadge = (empty($badge->dateexpire) || $badge->dateexpire > time());
      63                  $backpackexists = badges_user_has_backpack($USER->id);
      64                  if (!empty($CFG->badges_allowexternalbackpack) && $notexpiredbadge && $backpackexists) {
      65                      $assertion = new moodle_url('/badges/assertion.php', array('b' => $badge->uniquehash));
      66                      $action = new component_action('click', 'addtobackpack', array('assertion' => $assertion->out(false)));
      67                      $push = $this->output->action_icon(new moodle_url('#'), new pix_icon('t/backpack', get_string('addtobackpack', 'badges')), $action);
      68                  }
      69  
      70                  $download = $this->output->action_icon($url, new pix_icon('t/download', get_string('download')));
      71                  if ($badge->visible) {
      72                      $url = new moodle_url('mybadges.php', array('hide' => $badge->issuedid, 'sesskey' => sesskey()));
      73                      $status = $this->output->action_icon($url, new pix_icon('t/hide', get_string('makeprivate', 'badges')));
      74                  } else {
      75                      $url = new moodle_url('mybadges.php', array('show' => $badge->issuedid, 'sesskey' => sesskey()));
      76                      $status = $this->output->action_icon($url, new pix_icon('t/show', get_string('makepublic', 'badges')));
      77                  }
      78              }
      79  
      80              if (!$profile) {
      81                  $url = new moodle_url('badge.php', array('hash' => $badge->uniquehash));
      82              } else {
      83                  if (!$external) {
      84                      $url = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
      85                  } else {
      86                      $hash = hash('md5', $badge->hostedUrl);
      87                      $url = new moodle_url('/badges/external.php', array('hash' => $hash, 'user' => $userid));
      88                  }
      89              }
      90              $actions = html_writer::tag('div', $push . $download . $status, array('class' => 'badge-actions'));
      91              $items[] = html_writer::link($url, $image . $actions . $name, array('title' => $bname));
      92          }
      93  
      94          return html_writer::alist($items, array('class' => 'badges'));
      95      }
      96  
      97      // Recipients selection form.
      98      public function recipients_selection_form(user_selector_base $existinguc, user_selector_base $potentialuc) {
      99          $output = '';
     100          $formattributes = array();
     101          $formattributes['id'] = 'recipientform';
     102          $formattributes['action'] = $this->page->url;
     103          $formattributes['method'] = 'post';
     104          $output .= html_writer::start_tag('form', $formattributes);
     105          $output .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
     106  
     107          $existingcell = new html_table_cell();
     108          $existingcell->text = $existinguc->display(true);
     109          $existingcell->attributes['class'] = 'existing';
     110          $actioncell = new html_table_cell();
     111          $actioncell->text  = html_writer::start_tag('div', array());
     112          $actioncell->text .= html_writer::empty_tag('input', array(
     113                      'type' => 'submit',
     114                      'name' => 'award',
     115                      'value' => $this->output->larrow() . ' ' . get_string('award', 'badges'),
     116                      'class' => 'actionbutton')
     117                  );
     118          $actioncell->text .= html_writer::end_tag('div', array());
     119          $actioncell->attributes['class'] = 'actions';
     120          $potentialcell = new html_table_cell();
     121          $potentialcell->text = $potentialuc->display(true);
     122          $potentialcell->attributes['class'] = 'potential';
     123  
     124          $table = new html_table();
     125          $table->attributes['class'] = 'recipienttable boxaligncenter';
     126          $table->data = array(new html_table_row(array($existingcell, $actioncell, $potentialcell)));
     127          $output .= html_writer::table($table);
     128  
     129          $output .= html_writer::end_tag('form');
     130          return $output;
     131      }
     132  
     133      // Prints a badge overview infomation.
     134      public function print_badge_overview($badge, $context) {
     135          $display = "";
     136  
     137          // Badge details.
     138  
     139          $display .= $this->heading(get_string('badgedetails', 'badges'), 3);
     140          $dl = array();
     141          $dl[get_string('name')] = $badge->name;
     142          $dl[get_string('description', 'badges')] = $badge->description;
     143          $dl[get_string('createdon', 'search')] = userdate($badge->timecreated);
     144          $dl[get_string('badgeimage', 'badges')] = print_badge_image($badge, $context, 'large');
     145          $display .= $this->definition_list($dl);
     146  
     147          // Issuer details.
     148          $display .= $this->heading(get_string('issuerdetails', 'badges'), 3);
     149          $dl = array();
     150          $dl[get_string('issuername', 'badges')] = $badge->issuername;
     151          $dl[get_string('contact', 'badges')] = html_writer::tag('a', $badge->issuercontact, array('href' => 'mailto:' . $badge->issuercontact));
     152          $display .= $this->definition_list($dl);
     153  
     154          // Issuance details if any.
     155          $display .= $this->heading(get_string('issuancedetails', 'badges'), 3);
     156          if ($badge->can_expire()) {
     157              if ($badge->expiredate) {
     158                  $display .= get_string('expiredate', 'badges', userdate($badge->expiredate));
     159              } else if ($badge->expireperiod) {
     160                  if ($badge->expireperiod < 60) {
     161                      $display .= get_string('expireperiods', 'badges', round($badge->expireperiod, 2));
     162                  } else if ($badge->expireperiod < 60 * 60) {
     163                      $display .= get_string('expireperiodm', 'badges', round($badge->expireperiod / 60, 2));
     164                  } else if ($badge->expireperiod < 60 * 60 * 24) {
     165                      $display .= get_string('expireperiodh', 'badges', round($badge->expireperiod / 60 / 60, 2));
     166                  } else {
     167                      $display .= get_string('expireperiod', 'badges', round($badge->expireperiod / 60 / 60 / 24, 2));
     168                  }
     169              }
     170          } else {
     171              $display .= get_string('noexpiry', 'badges');
     172          }
     173  
     174          // Criteria details if any.
     175          $display .= $this->heading(get_string('bcriteria', 'badges'), 3);
     176          if ($badge->has_criteria()) {
     177              $display .= self::print_badge_criteria($badge);
     178          } else {
     179              $display .= get_string('nocriteria', 'badges');
     180              if (has_capability('moodle/badges:configurecriteria', $context)) {
     181                  $display .= $this->output->single_button(
     182                      new moodle_url('/badges/criteria.php', array('id' => $badge->id)),
     183                      get_string('addcriteria', 'badges'), 'POST', array('class' => 'activatebadge'));
     184              }
     185          }
     186  
     187          // Awards details if any.
     188          if (has_capability('moodle/badges:viewawarded', $context)) {
     189              $display .= $this->heading(get_string('awards', 'badges'), 3);
     190              if ($badge->has_awards()) {
     191                  $url = new moodle_url('/badges/recipients.php', array('id' => $badge->id));
     192                  $a = new stdClass();
     193                  $a->link = $url->out();
     194                  $a->count = count($badge->get_awards());
     195                  $display .= get_string('numawards', 'badges', $a);
     196              } else {
     197                  $display .= get_string('noawards', 'badges');
     198              }
     199  
     200              if (has_capability('moodle/badges:awardbadge', $context) &&
     201                  $badge->has_manual_award_criteria() &&
     202                  $badge->is_active()) {
     203                  $display .= $this->output->single_button(
     204                          new moodle_url('/badges/award.php', array('id' => $badge->id)),
     205                          get_string('award', 'badges'), 'POST', array('class' => 'activatebadge'));
     206              }
     207          }
     208  
     209          return html_writer::div($display, null, array('id' => 'badge-overview'));
     210      }
     211  
     212      // Prints action icons for the badge.
     213      public function print_badge_table_actions($badge, $context) {
     214          $actions = "";
     215  
     216          if (has_capability('moodle/badges:configuredetails', $context) && $badge->has_criteria()) {
     217              // Activate/deactivate badge.
     218              if ($badge->status == BADGE_STATUS_INACTIVE || $badge->status == BADGE_STATUS_INACTIVE_LOCKED) {
     219                  // "Activate" will go to another page and ask for confirmation.
     220                  $url = new moodle_url('/badges/action.php');
     221                  $url->param('id', $badge->id);
     222                  $url->param('activate', true);
     223                  $url->param('sesskey', sesskey());
     224                  $return = new moodle_url(qualified_me());
     225                  $url->param('return', $return->out_as_local_url(false));
     226                  $actions .= $this->output->action_icon($url, new pix_icon('t/show', get_string('activate', 'badges'))) . " ";
     227              } else {
     228                  $url = new moodle_url(qualified_me());
     229                  $url->param('lock', $badge->id);
     230                  $url->param('sesskey', sesskey());
     231                  $actions .= $this->output->action_icon($url, new pix_icon('t/hide', get_string('deactivate', 'badges'))) . " ";
     232              }
     233          }
     234  
     235          // Award badge manually.
     236          if ($badge->has_manual_award_criteria() &&
     237                  has_capability('moodle/badges:awardbadge', $context) &&
     238                  $badge->is_active()) {
     239              $url = new moodle_url('/badges/award.php', array('id' => $badge->id));
     240              $actions .= $this->output->action_icon($url, new pix_icon('t/award', get_string('award', 'badges'))) . " ";
     241          }
     242  
     243          // Edit badge.
     244          if (has_capability('moodle/badges:configuredetails', $context)) {
     245              $url = new moodle_url('/badges/edit.php', array('id' => $badge->id, 'action' => 'details'));
     246              $actions .= $this->output->action_icon($url, new pix_icon('t/edit', get_string('edit'))) . " ";
     247          }
     248  
     249          // Duplicate badge.
     250          if (has_capability('moodle/badges:createbadge', $context)) {
     251              $url = new moodle_url('/badges/action.php', array('copy' => '1', 'id' => $badge->id, 'sesskey' => sesskey()));
     252              $actions .= $this->output->action_icon($url, new pix_icon('t/copy', get_string('copy'))) . " ";
     253          }
     254  
     255          // Delete badge.
     256          if (has_capability('moodle/badges:deletebadge', $context)) {
     257              $url = new moodle_url(qualified_me());
     258              $url->param('delete', $badge->id);
     259              $actions .= $this->output->action_icon($url, new pix_icon('t/delete', get_string('delete'))) . " ";
     260          }
     261  
     262          return $actions;
     263      }
     264  
     265      // Outputs issued badge with actions available.
     266      protected function render_issued_badge(issued_badge $ibadge) {
     267          global $USER, $CFG, $DB, $SITE;
     268          $issued = $ibadge->issued;
     269          $userinfo = $ibadge->recipient;
     270          $badgeclass = $ibadge->badgeclass;
     271          $badge = new badge($ibadge->badgeid);
     272          $now = time();
     273          $expiration = isset($issued['expires']) ? $issued['expires'] : $now + 86400;
     274  
     275          $output = '';
     276          $output .= html_writer::start_tag('div', array('id' => 'badge'));
     277          $output .= html_writer::start_tag('div', array('id' => 'badge-image'));
     278          $output .= html_writer::empty_tag('img', array('src' => $badgeclass['image'], 'alt' => $badge->name));
     279          if ($expiration < $now) {
     280              $output .= $this->output->pix_icon('i/expired',
     281              get_string('expireddate', 'badges', userdate($issued['expires'])),
     282                  'moodle',
     283                  array('class' => 'expireimage'));
     284          }
     285  
     286          if ($USER->id == $userinfo->id && !empty($CFG->enablebadges)) {
     287              $output .= $this->output->single_button(
     288                          new moodle_url('/badges/badge.php', array('hash' => $issued['uid'], 'bake' => true)),
     289                          get_string('download'),
     290                          'POST');
     291              if (!empty($CFG->badges_allowexternalbackpack) && ($expiration > $now) && badges_user_has_backpack($USER->id)) {
     292                  $assertion = new moodle_url('/badges/assertion.php', array('b' => $issued['uid']));
     293                  $action = new component_action('click', 'addtobackpack', array('assertion' => $assertion->out(false)));
     294                  $attributes = array(
     295                          'type'  => 'button',
     296                          'id'    => 'addbutton',
     297                          'value' => get_string('addtobackpack', 'badges'));
     298                  $tobackpack = html_writer::tag('input', '', $attributes);
     299                  $this->output->add_action_handler($action, 'addbutton');
     300                  $output .= $tobackpack;
     301              }
     302          }
     303          $output .= html_writer::end_tag('div');
     304  
     305          $output .= html_writer::start_tag('div', array('id' => 'badge-details'));
     306          // Recipient information.
     307          $output .= $this->output->heading(get_string('recipientdetails', 'badges'), 3);
     308          $dl = array();
     309          if ($userinfo->deleted) {
     310              $strdata = new stdClass();
     311              $strdata->user = fullname($userinfo);
     312              $strdata->site = format_string($SITE->fullname, true, array('context' => context_system::instance()));
     313  
     314              $dl[get_string('name')] = get_string('error:userdeleted', 'badges', $strdata);
     315          } else {
     316              $dl[get_string('name')] = fullname($userinfo);
     317          }
     318          $output .= $this->definition_list($dl);
     319  
     320          $output .= $this->output->heading(get_string('issuerdetails', 'badges'), 3);
     321          $dl = array();
     322          $dl[get_string('issuername', 'badges')] = $badge->issuername;
     323          if (isset($badge->issuercontact) && !empty($badge->issuercontact)) {
     324              $dl[get_string('contact', 'badges')] = obfuscate_mailto($badge->issuercontact);
     325          }
     326          $output .= $this->definition_list($dl);
     327  
     328          $output .= $this->output->heading(get_string('badgedetails', 'badges'), 3);
     329          $dl = array();
     330          $dl[get_string('name')] = $badge->name;
     331          $dl[get_string('description', 'badges')] = $badge->description;
     332  
     333          if ($badge->type == BADGE_TYPE_COURSE && isset($badge->courseid)) {
     334              $coursename = $DB->get_field('course', 'fullname', array('id' => $badge->courseid));
     335              $dl[get_string('course')] = $coursename;
     336          }
     337          $dl[get_string('bcriteria', 'badges')] = self::print_badge_criteria($badge);
     338          $output .= $this->definition_list($dl);
     339  
     340          $output .= $this->output->heading(get_string('issuancedetails', 'badges'), 3);
     341          $dl = array();
     342          $dl[get_string('dateawarded', 'badges')] = userdate($issued['issuedOn']);
     343          if (isset($issued['expires'])) {
     344              if ($issued['expires'] < $now) {
     345                  $dl[get_string('expirydate', 'badges')] = userdate($issued['expires']) . get_string('warnexpired', 'badges');
     346  
     347              } else {
     348                  $dl[get_string('expirydate', 'badges')] = userdate($issued['expires']);
     349              }
     350          }
     351  
     352          // Print evidence.
     353          $agg = $badge->get_aggregation_methods();
     354          $evidence = $badge->get_criteria_completions($userinfo->id);
     355          $eids = array_map(create_function('$o', 'return $o->critid;'), $evidence);
     356          unset($badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]);
     357  
     358          $items = array();
     359          foreach ($badge->criteria as $type => $c) {
     360              if (in_array($c->id, $eids)) {
     361                  if (count($c->params) == 1) {
     362                      $items[] = get_string('criteria_descr_single_' . $type , 'badges') . $c->get_details();
     363                  } else {
     364                      $items[] = get_string('criteria_descr_' . $type , 'badges',
     365                              core_text::strtoupper($agg[$badge->get_aggregation_method($type)])) . $c->get_details();
     366                  }
     367              }
     368          }
     369  
     370          $dl[get_string('evidence', 'badges')] = get_string('completioninfo', 'badges') . html_writer::alist($items, array(), 'ul');
     371          $output .= $this->definition_list($dl);
     372          $output .= html_writer::end_tag('div');
     373  
     374          return $output;
     375      }
     376  
     377      // Outputs external badge.
     378      protected function render_external_badge(external_badge $ibadge) {
     379          $issued = $ibadge->issued;
     380          $assertion = $issued->assertion;
     381          $issuer = $assertion->badge->issuer;
     382          $userinfo = $ibadge->recipient;
     383          $table = new html_table();
     384          $today = strtotime(date('Y-m-d'));
     385  
     386          $output = '';
     387          $output .= html_writer::start_tag('div', array('id' => 'badge'));
     388          $output .= html_writer::start_tag('div', array('id' => 'badge-image'));
     389          $output .= html_writer::empty_tag('img', array('src' => $issued->imageUrl));
     390          if (isset($assertion->expires)) {
     391              $expiration = !strtotime($assertion->expires) ? s($assertion->expires) : strtotime($assertion->expires);
     392              if ($expiration < $today) {
     393                  $output .= $this->output->pix_icon('i/expired',
     394                          get_string('expireddate', 'badges', userdate($expiration)),
     395                          'moodle',
     396                          array('class' => 'expireimage'));
     397              }
     398          }
     399          $output .= html_writer::end_tag('div');
     400  
     401          $output .= html_writer::start_tag('div', array('id' => 'badge-details'));
     402  
     403          // Recipient information.
     404          $output .= $this->output->heading(get_string('recipientdetails', 'badges'), 3);
     405          $dl = array();
     406          // Technically, we should alway have a user at this point, but added an extra check just in case.
     407          if ($userinfo) {
     408              if (!$ibadge->valid) {
     409                  $notify = $this->output->notification(get_string('recipientvalidationproblem', 'badges'), 'notifynotice');
     410                  $dl[get_string('name')] = fullname($userinfo) . $notify;
     411              } else {
     412                  $dl[get_string('name')] = fullname($userinfo);
     413              }
     414          } else {
     415              $notify = $this->output->notification(get_string('recipientidentificationproblem', 'badges'), 'notifynotice');
     416              $dl[get_string('name')] = $notify;
     417          }
     418          $output .= $this->definition_list($dl);
     419  
     420          $output .= $this->output->heading(get_string('issuerdetails', 'badges'), 3);
     421          $dl = array();
     422          $dl[get_string('issuername', 'badges')] = s($issuer->name);
     423          $dl[get_string('issuerurl', 'badges')] = html_writer::tag('a', $issuer->origin, array('href' => $issuer->origin));
     424  
     425          if (isset($issuer->contact)) {
     426              $dl[get_string('contact', 'badges')] = obfuscate_mailto($issuer->contact);
     427          }
     428          $output .= $this->definition_list($dl);
     429  
     430          $output .= $this->output->heading(get_string('badgedetails', 'badges'), 3);
     431          $dl = array();
     432          $dl[get_string('name')] = s($assertion->badge->name);
     433          $dl[get_string('description', 'badges')] = s($assertion->badge->description);
     434          $dl[get_string('bcriteria', 'badges')] = html_writer::tag('a', s($assertion->badge->criteria), array('href' => $assertion->badge->criteria));
     435          $output .= $this->definition_list($dl);
     436  
     437          $output .= $this->output->heading(get_string('issuancedetails', 'badges'), 3);
     438          $dl = array();
     439          if (isset($assertion->issued_on)) {
     440              $issuedate = !strtotime($assertion->issued_on) ? s($assertion->issued_on) : strtotime($assertion->issued_on);
     441              $dl[get_string('dateawarded', 'badges')] = userdate($issuedate);
     442          }
     443          if (isset($assertion->expires)) {
     444              if ($expiration < $today) {
     445                  $dl[get_string('expirydate', 'badges')] = userdate($expiration) . get_string('warnexpired', 'badges');
     446              } else {
     447                  $dl[get_string('expirydate', 'badges')] = userdate($expiration);
     448              }
     449          }
     450          if (isset($assertion->evidence)) {
     451              $dl[get_string('evidence', 'badges')] = html_writer::tag('a', s($assertion->evidence), array('href' => $assertion->evidence));
     452          }
     453          $output .= $this->definition_list($dl);
     454          $output .= html_writer::end_tag('div');
     455  
     456          return $output;
     457      }
     458  
     459      // Displays the user badges.
     460      protected function render_badge_user_collection(badge_user_collection $badges) {
     461          global $CFG, $USER, $SITE;
     462          $backpack = $badges->backpack;
     463          $mybackpack = new moodle_url('/badges/mybackpack.php');
     464  
     465          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
     466          $htmlpagingbar = $this->render($paging);
     467  
     468          // Set backpack connection string.
     469          $backpackconnect = '';
     470          if (!empty($CFG->badges_allowexternalbackpack) && is_null($backpack)) {
     471              $backpackconnect = $this->output->box(get_string('localconnectto', 'badges', $mybackpack->out()), 'noticebox');
     472          }
     473          // Search box.
     474          $searchform = $this->output->box($this->helper_search_form($badges->search), 'boxwidthwide boxaligncenter');
     475  
     476          // Download all button.
     477          $downloadall = $this->output->single_button(
     478                      new moodle_url('/badges/mybadges.php', array('downloadall' => true, 'sesskey' => sesskey())),
     479                      get_string('downloadall'), 'POST', array('class' => 'activatebadge'));
     480  
     481          // Local badges.
     482          $localhtml = html_writer::start_tag('fieldset', array('id' => 'issued-badge-table', 'class' => 'generalbox'));
     483          $heading = get_string('localbadges', 'badges', format_string($SITE->fullname, true, array('context' => context_system::instance())));
     484          $localhtml .= html_writer::tag('legend', $this->output->heading_with_help($heading, 'localbadgesh', 'badges'));
     485          if ($badges->badges) {
     486              $downloadbutton = $this->output->heading(get_string('badgesearned', 'badges', $badges->totalcount), 4, 'activatebadge');
     487              $downloadbutton .= $downloadall;
     488  
     489              $htmllist = $this->print_badges_list($badges->badges, $USER->id);
     490              $localhtml .= $backpackconnect . $downloadbutton . $searchform . $htmlpagingbar . $htmllist . $htmlpagingbar;
     491          } else {
     492              $localhtml .= $searchform . $this->output->notification(get_string('nobadges', 'badges'));
     493          }
     494          $localhtml .= html_writer::end_tag('fieldset');
     495  
     496          // External badges.
     497          $externalhtml = "";
     498          if (!empty($CFG->badges_allowexternalbackpack)) {
     499              $externalhtml .= html_writer::start_tag('fieldset', array('class' => 'generalbox'));
     500              $externalhtml .= html_writer::tag('legend', $this->output->heading_with_help(get_string('externalbadges', 'badges'), 'externalbadges', 'badges'));
     501              if (!is_null($backpack)) {
     502                  if ($backpack->totalcollections == 0) {
     503                      $externalhtml .= get_string('nobackpackcollections', 'badges', $backpack);
     504                  } else {
     505                      if ($backpack->totalbadges == 0) {
     506                          $externalhtml .= get_string('nobackpackbadges', 'badges', $backpack);
     507                      } else {
     508                          $externalhtml .= get_string('backpackbadges', 'badges', $backpack);
     509                          $externalhtml .= '<br/><br/>' . $this->print_badges_list($backpack->badges, $USER->id, true, true);
     510                      }
     511                  }
     512              } else {
     513                  $externalhtml .= get_string('externalconnectto', 'badges', $mybackpack->out());
     514              }
     515  
     516              $externalhtml .= html_writer::end_tag('fieldset');
     517          }
     518  
     519          return $localhtml . $externalhtml;
     520      }
     521  
     522      // Displays the available badges.
     523      protected function render_badge_collection(badge_collection $badges) {
     524          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
     525          $htmlpagingbar = $this->render($paging);
     526          $table = new html_table();
     527          $table->attributes['class'] = 'collection';
     528  
     529          $sortbyname = $this->helper_sortable_heading(get_string('name'),
     530                  'name', $badges->sort, $badges->dir);
     531          $sortbyawarded = $this->helper_sortable_heading(get_string('awardedtoyou', 'badges'),
     532                  'dateissued', $badges->sort, $badges->dir);
     533          $table->head = array(
     534                      get_string('badgeimage', 'badges'),
     535                      $sortbyname,
     536                      get_string('description', 'badges'),
     537                      get_string('bcriteria', 'badges'),
     538                      $sortbyawarded
     539                  );
     540          $table->colclasses = array('badgeimage', 'name', 'description', 'criteria', 'awards');
     541  
     542          foreach ($badges->badges as $badge) {
     543              $badgeimage = print_badge_image($badge, $this->page->context, 'large');
     544              $name = $badge->name;
     545              $description = $badge->description;
     546              $criteria = self::print_badge_criteria($badge);
     547              if ($badge->dateissued) {
     548                  $icon = new pix_icon('i/valid',
     549                              get_string('dateearned', 'badges',
     550                                  userdate($badge->dateissued, get_string('strftimedatefullshort', 'core_langconfig'))));
     551                  $badgeurl = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
     552                  $awarded = $this->output->action_icon($badgeurl, $icon, null, null, true);
     553              } else {
     554                  $awarded = "";
     555              }
     556              $row = array($badgeimage, $name, $description, $criteria, $awarded);
     557              $table->data[] = $row;
     558          }
     559  
     560          $htmltable = html_writer::table($table);
     561  
     562          return $htmlpagingbar . $htmltable . $htmlpagingbar;
     563      }
     564  
     565      // Outputs table of badges with actions available.
     566      protected function render_badge_management(badge_management $badges) {
     567          $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
     568  
     569          // New badge button.
     570          $htmlnew = '';
     571          if (has_capability('moodle/badges:createbadge', $this->page->context)) {
     572              $n['type'] = $this->page->url->get_param('type');
     573              $n['id'] = $this->page->url->get_param('id');
     574              $htmlnew = $this->output->single_button(new moodle_url('newbadge.php', $n), get_string('newbadge', 'badges'));
     575          }
     576  
     577          $htmlpagingbar = $this->render($paging);
     578          $table = new html_table();
     579          $table->attributes['class'] = 'collection';
     580  
     581          $sortbyname = $this->helper_sortable_heading(get_string('name'),
     582                  'name', $badges->sort, $badges->dir);
     583          $sortbystatus = $this->helper_sortable_heading(get_string('status', 'badges'),
     584                  'status', $badges->sort, $badges->dir);
     585          $table->head = array(
     586                  $sortbyname,
     587                  $sortbystatus,
     588                  get_string('bcriteria', 'badges'),
     589                  get_string('awards', 'badges'),
     590                  get_string('actions')
     591              );
     592          $table->colclasses = array('name', 'status', 'criteria', 'awards', 'actions');
     593  
     594          foreach ($badges->badges as $b) {
     595              $style = !$b->is_active() ? array('class' => 'dimmed') : array();
     596              $forlink =  print_badge_image($b, $this->page->context) . ' ' .
     597                          html_writer::start_tag('span') . $b->name . html_writer::end_tag('span');
     598              $name = html_writer::link(new moodle_url('/badges/overview.php', array('id' => $b->id)), $forlink, $style);
     599              $status = $b->statstring;
     600              $criteria = self::print_badge_criteria($b, 'short');
     601  
     602              if (has_capability('moodle/badges:viewawarded', $this->page->context)) {
     603                  $awards = html_writer::link(new moodle_url('/badges/recipients.php', array('id' => $b->id)), $b->awards);
     604              } else {
     605                  $awards = $b->awards;
     606              }
     607  
     608              $actions = self::print_badge_table_actions($b, $this->page->context);
     609  
     610              $row = array($name, $status, $criteria, $awards, $actions);
     611              $table->data[] = $row;
     612          }
     613          $htmltable = html_writer::table($table);
     614  
     615          return $htmlnew . $htmlpagingbar . $htmltable . $htmlpagingbar;
     616      }
     617  
     618      // Prints tabs for badge editing.
     619      public function print_badge_tabs($badgeid, $context, $current = 'overview') {
     620          global $DB;
     621  
     622          $row = array();
     623  
     624          $row[] = new tabobject('overview',
     625                      new moodle_url('/badges/overview.php', array('id' => $badgeid)),
     626                      get_string('boverview', 'badges')
     627                  );
     628  
     629          if (has_capability('moodle/badges:configuredetails', $context)) {
     630              $row[] = new tabobject('details',
     631                          new moodle_url('/badges/edit.php', array('id' => $badgeid, 'action' => 'details')),
     632                          get_string('bdetails', 'badges')
     633                      );
     634          }
     635  
     636          if (has_capability('moodle/badges:configurecriteria', $context)) {
     637              $row[] = new tabobject('criteria',
     638                          new moodle_url('/badges/criteria.php', array('id' => $badgeid)),
     639                          get_string('bcriteria', 'badges')
     640                      );
     641          }
     642  
     643          if (has_capability('moodle/badges:configuremessages', $context)) {
     644              $row[] = new tabobject('message',
     645                          new moodle_url('/badges/edit.php', array('id' => $badgeid, 'action' => 'message')),
     646                          get_string('bmessage', 'badges')
     647                      );
     648          }
     649  
     650          if (has_capability('moodle/badges:viewawarded', $context)) {
     651              $awarded = $DB->count_records_sql('SELECT COUNT(b.userid)
     652                                                 FROM {badge_issued} b INNER JOIN {user} u ON b.userid = u.id
     653                                                 WHERE b.badgeid = :badgeid AND u.deleted = 0', array('badgeid' => $badgeid));
     654              $row[] = new tabobject('awards',
     655                          new moodle_url('/badges/recipients.php', array('id' => $badgeid)),
     656                          get_string('bawards', 'badges', $awarded)
     657                      );
     658          }
     659  
     660          echo $this->tabtree($row, $current);
     661      }
     662  
     663      /**
     664       * Prints badge status box.
     665       * @return Either the status box html as a string or null
     666       */
     667      public function print_badge_status_box(badge $badge) {
     668          if (has_capability('moodle/badges:configurecriteria', $badge->get_context())) {
     669  
     670              if (!$badge->has_criteria()) {
     671                  $criteriaurl = new moodle_url('/badges/criteria.php', array('id' => $badge->id));
     672                  $status = get_string('nocriteria', 'badges');
     673                  if ($this->page->url != $criteriaurl) {
     674                      $action = $this->output->single_button(
     675                          $criteriaurl,
     676                          get_string('addcriteria', 'badges'), 'POST', array('class' => 'activatebadge'));
     677                  } else {
     678                      $action = '';
     679                  }
     680  
     681                  $message = $status . $action;
     682              } else {
     683                  $status = get_string('statusmessage_' . $badge->status, 'badges');
     684                  if ($badge->is_active()) {
     685                      $action = $this->output->single_button(new moodle_url('/badges/action.php',
     686                                  array('id' => $badge->id, 'lock' => 1, 'sesskey' => sesskey(),
     687                                        'return' => $this->page->url->out_as_local_url(false))),
     688                              get_string('deactivate', 'badges'), 'POST', array('class' => 'activatebadge'));
     689                  } else {
     690                      $action = $this->output->single_button(new moodle_url('/badges/action.php',
     691                                  array('id' => $badge->id, 'activate' => 1, 'sesskey' => sesskey(),
     692                                        'return' => $this->page->url->out_as_local_url(false))),
     693                              get_string('activate', 'badges'), 'POST', array('class' => 'activatebadge'));
     694                  }
     695  
     696                  $message = $status . $this->output->help_icon('status', 'badges') . $action;
     697  
     698              }
     699  
     700              $style = $badge->is_active() ? 'generalbox statusbox active' : 'generalbox statusbox inactive';
     701              return $this->output->box($message, $style);
     702          }
     703  
     704          return null;
     705      }
     706  
     707      // Prints badge criteria.
     708      public function print_badge_criteria(badge $badge, $short = '') {
     709          $output = "";
     710          $agg = $badge->get_aggregation_methods();
     711          if (empty($badge->criteria)) {
     712              return get_string('nocriteria', 'badges');
     713          } else if (count($badge->criteria) == 2) {
     714              if (!$short) {
     715                  $output .= get_string('criteria_descr', 'badges');
     716              }
     717          } else {
     718              $output .= get_string('criteria_descr_' . $short . BADGE_CRITERIA_TYPE_OVERALL, 'badges',
     719                                      core_text::strtoupper($agg[$badge->get_aggregation_method()]));
     720          }
     721          $items = array();
     722          unset($badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]);
     723          foreach ($badge->criteria as $type => $c) {
     724              if (count($c->params) == 1) {
     725                  $items[] = get_string('criteria_descr_single_' . $short . $type , 'badges') . $c->get_details($short);
     726              } else {
     727                  $items[] = get_string('criteria_descr_' . $short . $type , 'badges',
     728                          core_text::strtoupper($agg[$badge->get_aggregation_method($type)])) . $c->get_details($short);
     729              }
     730          }
     731          $output .= html_writer::alist($items, array(), 'ul');
     732          return $output;
     733      }
     734  
     735      // Prints criteria actions for badge editing.
     736      public function print_criteria_actions(badge $badge) {
     737          $table = new html_table();
     738          $table->attributes = array('class' => 'boxaligncenter', 'id' => 'badgeactions');
     739          $table->colclasses = array('activatebadge');
     740  
     741          $actions = array();
     742          if (!$badge->is_active() && !$badge->is_locked()) {
     743              $accepted = $badge->get_accepted_criteria();
     744              $potential = array_diff($accepted, array_keys($badge->criteria));
     745  
     746              if (!empty($potential)) {
     747                  foreach ($potential as $p) {
     748                      if ($p != 0) {
     749                          $select[$p] = get_string('criteria_' . $p, 'badges');
     750                      }
     751                  }
     752                  $actions[] = get_string('addbadgecriteria', 'badges');
     753                  $actions[] = $this->output->single_select(new moodle_url('/badges/criteria_settings.php',
     754                          array('badgeid' => $badge->id, 'add' => true)), 'type', $select);
     755              } else {
     756                  $actions[] = $this->output->box(get_string('nothingtoadd', 'badges'), 'clearfix');
     757              }
     758          }
     759  
     760          $table->data[] = $actions;
     761          return html_writer::table($table);
     762      }
     763  
     764      // Renders a table with users who have earned the badge.
     765      // Based on stamps collection plugin.
     766      protected function render_badge_recipients(badge_recipients $recipients) {
     767          $paging = new paging_bar($recipients->totalcount, $recipients->page, $recipients->perpage, $this->page->url, 'page');
     768          $htmlpagingbar = $this->render($paging);
     769          $table = new html_table();
     770          $table->attributes['class'] = 'generaltable boxaligncenter boxwidthwide';
     771  
     772          $sortbyfirstname = $this->helper_sortable_heading(get_string('firstname'),
     773                  'firstname', $recipients->sort, $recipients->dir);
     774          $sortbylastname = $this->helper_sortable_heading(get_string('lastname'),
     775                  'lastname', $recipients->sort, $recipients->dir);
     776          if ($this->helper_fullname_format() == 'lf') {
     777              $sortbyname = $sortbylastname . ' / ' . $sortbyfirstname;
     778          } else {
     779              $sortbyname = $sortbyfirstname . ' / ' . $sortbylastname;
     780          }
     781  
     782          $sortbydate = $this->helper_sortable_heading(get_string('dateawarded', 'badges'),
     783                  'dateissued', $recipients->sort, $recipients->dir);
     784  
     785          $table->head = array($sortbyname, $sortbydate, '');
     786  
     787          foreach ($recipients->userids as $holder) {
     788              $fullname = fullname($holder);
     789              $fullname = html_writer::link(
     790                              new moodle_url('/user/profile.php', array('id' => $holder->userid)),
     791                              $fullname
     792                          );
     793              $awarded  = userdate($holder->dateissued);
     794              $badgeurl = html_writer::link(
     795                              new moodle_url('/badges/badge.php', array('hash' => $holder->uniquehash)),
     796                              get_string('viewbadge', 'badges')
     797                          );
     798  
     799              $row = array($fullname, $awarded, $badgeurl);
     800              $table->data[] = $row;
     801          }
     802  
     803          $htmltable = html_writer::table($table);
     804  
     805          return $htmlpagingbar . $htmltable . $htmlpagingbar;
     806      }
     807  
     808      ////////////////////////////////////////////////////////////////////////////
     809      // Helper methods
     810      // Reused from stamps collection plugin
     811      ////////////////////////////////////////////////////////////////////////////
     812  
     813      /**
     814       * Renders a text with icons to sort by the given column
     815       *
     816       * This is intended for table headings.
     817       *
     818       * @param string $text    The heading text
     819       * @param string $sortid  The column id used for sorting
     820       * @param string $sortby  Currently sorted by (column id)
     821       * @param string $sorthow Currently sorted how (ASC|DESC)
     822       *
     823       * @return string
     824       */
     825      protected function helper_sortable_heading($text, $sortid = null, $sortby = null, $sorthow = null) {
     826          $out = html_writer::tag('span', $text, array('class' => 'text'));
     827  
     828          if (!is_null($sortid)) {
     829              if ($sortby !== $sortid || $sorthow !== 'ASC') {
     830                  $url = new moodle_url($this->page->url);
     831                  $url->params(array('sort' => $sortid, 'dir' => 'ASC'));
     832                  $out .= $this->output->action_icon($url,
     833                          new pix_icon('t/sort_asc', get_string('sortbyx', 'core', s($text)), null, array('class' => 'iconsort')));
     834              }
     835              if ($sortby !== $sortid || $sorthow !== 'DESC') {
     836                  $url = new moodle_url($this->page->url);
     837                  $url->params(array('sort' => $sortid, 'dir' => 'DESC'));
     838                  $out .= $this->output->action_icon($url,
     839                          new pix_icon('t/sort_desc', get_string('sortbyxreverse', 'core', s($text)), null, array('class' => 'iconsort')));
     840              }
     841          }
     842          return $out;
     843      }
     844      /**
     845       * Tries to guess the fullname format set at the site
     846       *
     847       * @return string fl|lf
     848       */
     849      protected function helper_fullname_format() {
     850          $fake = new stdClass();
     851          $fake->lastname = 'LLLL';
     852          $fake->firstname = 'FFFF';
     853          $fullname = get_string('fullnamedisplay', '', $fake);
     854          if (strpos($fullname, 'LLLL') < strpos($fullname, 'FFFF')) {
     855              return 'lf';
     856          } else {
     857              return 'fl';
     858          }
     859      }
     860      /**
     861       * Renders a search form
     862       *
     863       * @param string $search Search string
     864       * @return string HTML
     865       */
     866      protected function helper_search_form($search) {
     867          global $CFG;
     868          require_once($CFG->libdir . '/formslib.php');
     869  
     870          $mform = new MoodleQuickForm('searchform', 'POST', $this->page->url);
     871  
     872          $mform->addElement('hidden', 'sesskey', sesskey());
     873  
     874          $el[] = $mform->createElement('text', 'search', get_string('search'), array('size' => 20));
     875          $mform->setDefault('search', $search);
     876          $el[] = $mform->createElement('submit', 'submitsearch', get_string('search'));
     877          $el[] = $mform->createElement('submit', 'clearsearch', get_string('clear'));
     878          $mform->addGroup($el, 'searchgroup', get_string('searchname', 'badges'), ' ', false);
     879  
     880          ob_start();
     881          $mform->display();
     882          $out = ob_get_clean();
     883  
     884          return $out;
     885      }
     886  
     887      /**
     888       * Renders a definition list
     889       *
     890       * @param array $items the list of items to define
     891       * @param array
     892       */
     893      protected function definition_list(array $items, array $attributes = array()) {
     894          $output = html_writer::start_tag('dl', $attributes);
     895          foreach ($items as $label => $value) {
     896              $output .= html_writer::tag('dt', $label);
     897              $output .= html_writer::tag('dd', $value);
     898          }
     899          $output .= html_writer::end_tag('dl');
     900          return $output;
     901      }
     902  }
     903  
     904  /**
     905   * An issued badges for badge.php page
     906   */
     907  class issued_badge implements renderable {
     908      /** @var issued badge */
     909      public $issued;
     910  
     911      /** @var badge recipient */
     912      public $recipient;
     913  
     914      /** @var badge class */
     915      public $badgeclass;
     916  
     917      /** @var badge visibility to others */
     918      public $visible = 0;
     919  
     920      /** @var badge class */
     921      public $badgeid = 0;
     922  
     923      /**
     924       * Initializes the badge to display
     925       *
     926       * @param string $hash Issued badge hash
     927       */
     928      public function __construct($hash) {
     929          global $DB;
     930  
     931          $assertion = new core_badges_assertion($hash);
     932          $this->issued = $assertion->get_badge_assertion();
     933          $this->badgeclass = $assertion->get_badge_class();
     934  
     935          $rec = $DB->get_record_sql('SELECT userid, visible, badgeid
     936                  FROM {badge_issued}
     937                  WHERE ' . $DB->sql_compare_text('uniquehash', 40) . ' = ' . $DB->sql_compare_text(':hash', 40),
     938                  array('hash' => $hash), IGNORE_MISSING);
     939          if ($rec) {
     940              // Get a recipient from database.
     941              $namefields = get_all_user_name_fields(true, 'u');
     942              $user = $DB->get_record_sql("SELECT u.id, $namefields, u.deleted, u.email
     943                          FROM {user} u WHERE u.id = :userid", array('userid' => $rec->userid));
     944              $this->recipient = $user;
     945              $this->visible = $rec->visible;
     946              $this->badgeid = $rec->badgeid;
     947          }
     948      }
     949  }
     950  
     951  /**
     952   * An external badges for external.php page
     953   */
     954  class external_badge implements renderable {
     955      /** @var issued badge */
     956      public $issued;
     957  
     958      /** @var User ID */
     959      public $recipient;
     960  
     961      /** @var validation of external badge */
     962      public $valid = true;
     963  
     964      /**
     965       * Initializes the badge to display
     966       *
     967       * @param object $badge External badge information.
     968       * @param int $recipient User id.
     969       */
     970      public function __construct($badge, $recipient) {
     971          global $DB;
     972          // At this point a user has connected a backpack. So, we are going to get
     973          // their backpack email rather than their account email.
     974          $namefields = get_all_user_name_fields(true, 'u');
     975          $user = $DB->get_record_sql("SELECT {$namefields}, b.email
     976                      FROM {user} u INNER JOIN {badge_backpack} b ON u.id = b.userid
     977                      WHERE userid = :userid", array('userid' => $recipient), IGNORE_MISSING);
     978  
     979          $this->issued = $badge;
     980          $this->recipient = $user;
     981  
     982          // Check if recipient is valid.
     983          // There is no way to be 100% sure that a badge belongs to a user.
     984          // Backpack does not return any recipient information.
     985          // All we can do is compare that backpack email hashed using salt
     986          // provided in the assertion matches a badge recipient from the assertion.
     987          if ($user) {
     988              if (validate_email($badge->assertion->recipient) && $badge->assertion->recipient == $user->email) {
     989                  // If we have email, compare emails.
     990                  $this->valid = true;
     991              } else if ($badge->assertion->recipient == 'sha256$' . hash('sha256', $user->email)) {
     992                  // If recipient is hashed, but no salt, compare hashes without salt.
     993                  $this->valid = true;
     994              } else if ($badge->assertion->recipient == 'sha256$' . hash('sha256', $user->email . $badge->assertion->salt)) {
     995                  // If recipient is hashed, compare hashes.
     996                  $this->valid = true;
     997              } else {
     998                  // Otherwise, we cannot be sure that this user is a recipient.
     999                  $this->valid = false;
    1000              }
    1001          } else {
    1002              $this->valid = false;
    1003          }
    1004      }
    1005  }
    1006  
    1007  /**
    1008   * Badge recipients rendering class
    1009   */
    1010  class badge_recipients implements renderable {
    1011      /** @var string how are the data sorted */
    1012      public $sort = 'lastname';
    1013  
    1014      /** @var string how are the data sorted */
    1015      public $dir = 'ASC';
    1016  
    1017      /** @var int page number to display */
    1018      public $page = 0;
    1019  
    1020      /** @var int number of badge recipients to display per page */
    1021      public $perpage = 30;
    1022  
    1023      /** @var int the total number or badge recipients to display */
    1024      public $totalcount = null;
    1025  
    1026      /** @var array internal list of  badge recipients ids */
    1027      public $userids = array();
    1028      /**
    1029       * Initializes the list of users to display
    1030       *
    1031       * @param array $holders List of badge holders
    1032       */
    1033      public function __construct($holders) {
    1034          $this->userids = $holders;
    1035      }
    1036  }
    1037  
    1038  /**
    1039   * Collection of all badges for view.php page
    1040   */
    1041  class badge_collection implements renderable {
    1042  
    1043      /** @var string how are the data sorted */
    1044      public $sort = 'name';
    1045  
    1046      /** @var string how are the data sorted */
    1047      public $dir = 'ASC';
    1048  
    1049      /** @var int page number to display */
    1050      public $page = 0;
    1051  
    1052      /** @var int number of badges to display per page */
    1053      public $perpage = BADGE_PERPAGE;
    1054  
    1055      /** @var int the total number of badges to display */
    1056      public $totalcount = null;
    1057  
    1058      /** @var array list of badges */
    1059      public $badges = array();
    1060  
    1061      /**
    1062       * Initializes the list of badges to display
    1063       *
    1064       * @param array $badges Badges to render
    1065       */
    1066      public function __construct($badges) {
    1067          $this->badges = $badges;
    1068      }
    1069  }
    1070  
    1071  /**
    1072   * Collection of badges used at the index.php page
    1073   */
    1074  class badge_management extends badge_collection implements renderable {
    1075  }
    1076  
    1077  /**
    1078   * Collection of user badges used at the mybadges.php page
    1079   */
    1080  class badge_user_collection extends badge_collection implements renderable {
    1081      /** @var array backpack settings */
    1082      public $backpack = null;
    1083  
    1084      /** @var string search */
    1085      public $search = '';
    1086  
    1087      /**
    1088       * Initializes user badge collection.
    1089       *
    1090       * @param array $badges Badges to render
    1091       * @param int $userid Badges owner
    1092       */
    1093      public function __construct($badges, $userid) {
    1094          global $CFG;
    1095          parent::__construct($badges);
    1096  
    1097          if (!empty($CFG->badges_allowexternalbackpack)) {
    1098              $this->backpack = get_backpack_settings($userid, true);
    1099          }
    1100      }
    1101  }
    

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