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