weekly release 2.8dev
[moodle.git] / badges / renderer.php
CommitLineData
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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
27require_once($CFG->libdir . '/badgeslib.php');
28require_once($CFG->libdir . '/tablelib.php');
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29
30/**
31 * Standard HTML output renderer for badges
32 */
33class 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()));
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62 $notexpiredbadge = (empty($badge->dateexpire) || $badge->dateexpire > time());
63 $backpackexists = badges_user_has_backpack($USER->id);
64 if (!empty($CFG->badges_allowexternalbackpack) && $notexpiredbadge && $backpackexists) {
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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) {
2d3c0fae 84 $url = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
27806552 85 } else {
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86 $hash = hash('md5', $badge->hostedUrl);
87 $url = new moodle_url('/badges/external.php', array('hash' => $hash, 'user' => $userid));
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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';
04da1a5a 102 $formattributes['action'] = $this->page->url;
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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
4d7d17dd 231 if (has_capability('moodle/badges:configuredetails', $context) && $badge->has_criteria()) {
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232 // Activate/deactivate badge.
233 if ($badge->status == BADGE_STATUS_INACTIVE || $badge->status == BADGE_STATUS_INACTIVE_LOCKED) {
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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);
c5177654 238 $url->param('sesskey', sesskey());
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239 $return = new moodle_url(qualified_me());
240 $url->param('return', $return->out_as_local_url(false));
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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) {
762b2a6b 282 global $USER, $CFG, $DB, $SITE;
27806552 283 $issued = $ibadge->issued;
737a352f 284 $userinfo = $ibadge->recipient;
853e506a 285 $badgeclass = $ibadge->badgeclass;
27806552 286 $badge = new badge($ibadge->badgeid);
853e506a 287 $now = time();
27806552 288
e2805314 289 $table = new html_table();
2c910861 290 $table->id = 'issued-badge-table';
27806552 291
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292 $imagetable = new html_table();
293 $imagetable->attributes = array('class' => 'clearfix badgeissuedimage');
853e506a 294 $imagetable->data[] = array(html_writer::empty_tag('img', array('src' => $badgeclass['image'])));
737a352f 295 if ($USER->id == $userinfo->id && !empty($CFG->enablebadges)) {
e2805314 296 $imagetable->data[] = array($this->output->single_button(
853e506a 297 new moodle_url('/badges/badge.php', array('hash' => $issued['uid'], 'bake' => true)),
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298 get_string('download'),
299 'POST'));
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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']));
2c910861 303 $action = new component_action('click', 'addtobackpack', array('assertion' => $assertion->out(false)));
e2805314 304 $attributes = array(
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305 'type' => 'button',
306 'id' => 'addbutton',
307 'value' => get_string('addtobackpack', 'badges'));
e2805314 308 $tobackpack = html_writer::tag('input', '', $attributes);
2c910861 309 $this->output->add_action_handler($action, 'addbutton');
e2805314 310 $imagetable->data[] = array($tobackpack);
27806552 311 }
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312 }
313 $datatable = new html_table();
314 $datatable->attributes = array('class' => 'badgeissuedinfo');
315 $datatable->colclasses = array('bfield', 'bvalue');
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316
317 // Recipient information.
318 $datatable->data[] = array($this->output->heading(get_string('recipientdetails', 'badges'), 3), '');
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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));
737a352f 324 } else {
762b2a6b 325 $datatable->data[] = array(get_string('name'), fullname($userinfo));
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326 }
327
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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)) {
737a352f 331 $datatable->data[] = array(get_string('contact', 'badges'), obfuscate_mailto($badge->issuercontact));
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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'), $badge->description);
27806552 336
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337 if ($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 }
27806552 341
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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), '');
853e506a 344 $datatable->data[] = array(get_string('dateawarded', 'badges'), userdate($issued['issuedOn']));
e2805314 345 if (isset($issued['expires'])) {
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346 if ($issued['expires'] < $now) {
347 $cell = new html_table_cell(userdate($issued['expires']) . get_string('warnexpired', 'badges'));
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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'));
853e506a 352 $image .= html_writer::empty_tag('img', array('src' => $badgeclass['image']));
e2805314 353 $image .= $this->output->pix_icon('i/expired',
853e506a 354 get_string('expireddate', 'badges', userdate($issued['expires'])),
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355 'moodle',
356 array('class' => 'expireimage'));
357 $image .= html_writer::end_tag('div');
358 $imagetable->data[0] = array($image);
359 } else {
853e506a 360 $datatable->data[] = array(get_string('expirydate', 'badges'), userdate($issued['expires']));
27806552 361 }
e2805314 362 }
27806552 363
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364 // Print evidence.
365 $agg = $badge->get_aggregation_methods();
737a352f 366 $evidence = $badge->get_criteria_completions($userinfo->id);
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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();
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378 }
379 }
e2805314 380 }
27806552 381
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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);
27806552 388
e2805314 389 return $htmlbadge;
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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;
737a352f 397 $userinfo = $ibadge->recipient;
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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');
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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) {
774ead81 412 $notify = '';
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413 if (!$ibadge->valid) {
414 $notify = $this->output->notification(get_string('recipientvalidationproblem', 'badges'), 'notifynotice');
737a352f 415 }
774ead81 416 $datatable->data[] = array(get_string('name'), fullname($userinfo). $notify);
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417 } else {
418 $notify = $this->output->notification(get_string('recipientidentificationproblem', 'badges'), 'notifynotice');
419 $datatable->data[] = array(get_string('name'), $notify);
420 }
421
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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)) {
737a352f 427 $datatable->data[] = array(get_string('contact', 'badges'), obfuscate_mailto($issuer->contact));
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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;
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475 $backpack = $badges->backpack;
476 $mybackpack = new moodle_url('/badges/mybackpack.php');
477
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478 $paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
479 $htmlpagingbar = $this->render($paging);
480
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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 }
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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.
2c910861 495 $localhtml = html_writer::start_tag('fieldset', array('id' => 'issued-badge-table', 'class' => 'generalbox'));
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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'));
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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);
e2805314 505 $localhtml .= $backpackconnect . $downloadbutton . $searchform . $htmlpagingbar . $htmllist . $htmlpagingbar;
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506 } else {
507 $localhtml .= $searchform . $this->output->notification(get_string('nobadges', 'badges'));
508 }
509 $localhtml .= html_writer::end_tag('fieldset');
510
511 // External badges.
27806552 512 $externalhtml = "";
60d72efb 513 if (!empty($CFG->badges_allowexternalbackpack)) {
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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)) {
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517 if ($backpack->totalcollections == 0) {
518 $externalhtml .= get_string('nobackpackcollections', 'badges', $backpack);
27806552 519 } else {
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520 if ($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 }
27806552 526 }
27806552 527 } else {
e2805314 528 $externalhtml .= get_string('externalconnectto', 'badges', $mybackpack->out());
27806552 529 }
27806552 530
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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();
f8ba185a 542 $table->attributes['class'] = 'collection';
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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) {
a8dd22a7 563 $icon = new pix_icon('i/valid',
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564 get_string('dateearned', 'badges',
565 userdate($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.
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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 }
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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
a5f82c5b 637 $row = array();
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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)) {
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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));
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669 $row[] = new tabobject('awards',
670 new moodle_url('/badges/recipients.php', array('id' => $badgeid)),
671 get_string('bawards', 'badges', $awarded)
672 );
673 }
674
a5f82c5b 675 echo $this->tabtree($row, $current);
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676 }
677
36388ba8
AD
678 /**
679 * Prints badge status box.
680 * @return Either the status box html as a string or null
681 */
27806552 682 public function print_badge_status_box(badge $badge) {
27806552 683 if (has_capability('moodle/badges:configurecriteria', $badge->get_context())) {
36388ba8
AD
684 $table = new html_table();
685 $table->attributes['class'] = 'boxaligncenter statustable';
686
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687 if (!$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 }
36388ba8 713 $table->data[] = $row;
27806552 714
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715 $style = $badge->is_active() ? 'generalbox statusbox active' : 'generalbox statusbox inactive';
716 return $this->output->box(html_writer::table($table), $style);
717 }
27806552 718
36388ba8 719 return null;
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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();
f8ba185a 785 $table->attributes['class'] = 'generaltable boxaligncenter boxwidthwide';
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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 */
906class issued_badge implements renderable {
907 /** @var issued badge */
908 public $issued;
909
910 /** @var badge recipient */
737a352f 911 public $recipient;
27806552 912
853e506a
Y
913 /** @var badge class */
914 public $badgeclass;
915
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916 /** @var badge visibility to others */
917 public $visible = 0;
918
919 /** @var badge class */
920 public $badgeid = 0;
921
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922 /**
923 * Initializes the badge to display
924 *
925 * @param string $hash Issued badge hash
926 */
927 public function __construct($hash) {
928 global $DB;
853e506a
Y
929
930 $assertion = new core_badges_assertion($hash);
931 $this->issued = $assertion->get_badge_assertion();
932 $this->badgeclass = $assertion->get_badge_class();
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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) {
737a352f 939 // Get a recipient from database.
5241526d 940 $namefields = get_all_user_name_fields(true, 'u');
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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));
737a352f 943 $this->recipient = $user;
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944 $this->visible = $rec->visible;
945 $this->badgeid = $rec->badgeid;
946 }
947 }
948}
949
950/**
951 * An external badges for external.php page
952 */
953class external_badge implements renderable {
954 /** @var issued badge */
955 public $issued;
956
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957 /** @var User ID */
958 public $recipient;
959
960 /** @var validation of external badge */
961 public $valid = true;
962
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963 /**
964 * Initializes the badge to display
965 *
2d3c0fae 966 * @param object $badge External badge information.
737a352f 967 * @param int $recipient User id.
27806552 968 */
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969 public function __construct($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
2d3c0fae 977 $this->issued = $badge;
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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 }
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1002 }
1003}
1004
1005/**
1006 * Badge recipients rendering class
1007 */
1008class 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 */
1039class 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 */
1072class badge_management extends badge_collection implements renderable {
1073}
1074
1075/**
1076 * Collection of user badges used at the mybadges.php page
1077 */
1078class badge_user_collection extends badge_collection implements renderable {
1079 /** @var array backpack settings */
e2805314 1080 public $backpack = null;
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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) {
e2805314 1092 global $CFG;
27806552 1093 parent::__construct($badges);
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1094
1095 if (!empty($CFG->badges_allowexternalbackpack)) {
2d3c0fae 1096 $this->backpack = get_backpack_settings($userid, true);
e2805314 1097 }
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1098 }
1099}