-
Notifications
You must be signed in to change notification settings - Fork 158
/
lib.php
459 lines (398 loc) · 14.1 KB
/
lib.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
<?php
// This file is part of the customcert module for Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Customcert module core interaction API
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* Add customcert instance.
*
* @param stdClass $data
* @param mod_customcert_mod_form $mform
* @return int new customcert instance id
*/
function customcert_add_instance($data, $mform) {
global $DB;
// Create a template for this customcert to use.
$context = context_module::instance($data->coursemodule);
$template = \mod_customcert\template::create($data->name, $context->id);
// Add the data to the DB.
$data->templateid = $template->get_id();
$data->protection = \mod_customcert\certificate::set_protection($data);
$data->timecreated = time();
$data->timemodified = $data->timecreated;
$data->id = $DB->insert_record('customcert', $data);
// Add a page to this customcert.
$template->add_page(false);
return $data->id;
}
/**
* Update customcert instance.
*
* @param stdClass $data
* @param mod_customcert_mod_form $mform
* @return bool true
*/
function customcert_update_instance($data, $mform) {
global $DB;
$data->protection = \mod_customcert\certificate::set_protection($data);
$data->timemodified = time();
$data->id = $data->instance;
return $DB->update_record('customcert', $data);
}
/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @param int $id
* @return bool true if successful
*/
function customcert_delete_instance($id) {
global $CFG, $DB;
// Ensure the customcert exists.
if (!$customcert = $DB->get_record('customcert', ['id' => $id])) {
return false;
}
// Get the course module as it is used when deleting files.
if (!$cm = get_coursemodule_from_instance('customcert', $id)) {
return false;
}
// Delete the customcert instance.
if (!$DB->delete_records('customcert', ['id' => $id])) {
return false;
}
// Now, delete the template associated with this certificate.
if ($template = $DB->get_record('customcert_templates', ['id' => $customcert->templateid])) {
$template = new \mod_customcert\template($template);
$template->delete();
}
// Delete the customcert issues.
if (!$DB->delete_records('customcert_issues', ['customcertid' => $id])) {
return false;
}
// Delete any files associated with the customcert.
$context = context_module::instance($cm->id);
$fs = get_file_storage();
$fs->delete_area_files($context->id);
return true;
}
/**
* This function is used by the reset_course_userdata function in moodlelib.
* This function will remove all posts from the specified customcert
* and clean up any related data.
*
* @param stdClass $data the data submitted from the reset course.
* @return array status array
*/
function customcert_reset_userdata($data) {
global $DB;
$componentstr = get_string('modulenameplural', 'customcert');
$status = [];
if (!empty($data->reset_customcert)) {
$sql = "SELECT cert.id
FROM {customcert} cert
WHERE cert.course = :courseid";
$DB->delete_records_select('customcert_issues', "customcertid IN ($sql)", ['courseid' => $data->courseid]);
$status[] = ['component' => $componentstr, 'item' => get_string('deleteissuedcertificates', 'customcert'),
'error' => false];
}
return $status;
}
/**
* Implementation of the function for printing the form elements that control
* whether the course reset functionality affects the customcert.
*
* @param mod_customcert_mod_form $mform form passed by reference
*/
function customcert_reset_course_form_definition(&$mform) {
$mform->addElement('header', 'customcertheader', get_string('modulenameplural', 'customcert'));
$mform->addElement('advcheckbox', 'reset_customcert', get_string('deleteissuedcertificates', 'customcert'));
}
/**
* Course reset form defaults.
*
* @param stdClass $course
* @return array
*/
function customcert_reset_course_form_defaults($course) {
return ['reset_customcert' => 1];
}
/**
* Returns information about received customcert.
* Used for user activity reports.
*
* @param stdClass $course
* @param stdClass $user
* @param stdClass $mod
* @param stdClass $customcert
* @return stdClass the user outline object
*/
function customcert_user_outline($course, $user, $mod, $customcert) {
global $DB;
$result = new stdClass();
if ($issue = $DB->get_record('customcert_issues', ['customcertid' => $customcert->id, 'userid' => $user->id])) {
$result->info = get_string('receiveddate', 'customcert');
$result->time = $issue->timecreated;
} else {
$result->info = get_string('notissued', 'customcert');
}
return $result;
}
/**
* Returns information about received customcert.
* Used for user activity reports.
*
* @param stdClass $course
* @param stdClass $user
* @param stdClass $mod
* @param stdClass $customcert
* @return string the user complete information
*/
function customcert_user_complete($course, $user, $mod, $customcert) {
global $DB, $OUTPUT;
if ($issue = $DB->get_record('customcert_issues', ['customcertid' => $customcert->id, 'userid' => $user->id])) {
echo $OUTPUT->box_start();
echo get_string('receiveddate', 'customcert') . ": ";
echo userdate($issue->timecreated);
echo $OUTPUT->box_end();
} else {
print_string('notissued', 'customcert');
}
}
/**
* Serves certificate issues and other files.
*
* @param stdClass $course
* @param stdClass $cm
* @param context $context
* @param string $filearea
* @param array $args
* @param bool $forcedownload
* @return bool|null false if file not found, does not return anything if found - just send the file
*/
function customcert_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload) {
global $CFG;
require_once($CFG->libdir . '/filelib.php');
// We are positioning the elements.
if ($filearea === 'image') {
if ($context->contextlevel == CONTEXT_MODULE) {
require_login($course, false, $cm);
} else if ($context->contextlevel == CONTEXT_SYSTEM && !has_capability('mod/customcert:manage', $context)) {
return false;
}
$relativepath = implode('/', $args);
$fullpath = '/' . $context->id . '/mod_customcert/image/' . $relativepath;
$fs = get_file_storage();
$file = $fs->get_file_by_hash(sha1($fullpath));
if (!$file || $file->is_directory()) {
return false;
}
send_stored_file($file, 0, 0, $forcedownload);
}
}
/**
* The features this activity supports.
*
* @uses FEATURE_GROUPS
* @uses FEATURE_GROUPINGS
* @uses FEATURE_GROUPMEMBERSONLY
* @uses FEATURE_MOD_INTRO
* @uses FEATURE_COMPLETION_TRACKS_VIEWS
* @uses FEATURE_GRADE_HAS_GRADE
* @uses FEATURE_GRADE_OUTCOMES
* @param string $feature FEATURE_xx constant for requested feature
* @return mixed True if module supports feature, null if doesn't know
*/
function customcert_supports($feature) {
switch ($feature) {
case FEATURE_GROUPINGS:
case FEATURE_MOD_INTRO:
case FEATURE_SHOW_DESCRIPTION:
case FEATURE_COMPLETION_TRACKS_VIEWS:
case FEATURE_BACKUP_MOODLE2:
case FEATURE_GROUPS:
return true;
case FEATURE_MOD_PURPOSE:
return MOD_PURPOSE_OTHER;
default:
return null;
}
}
/**
* Used for course participation report (in case customcert is added).
*
* @return array
*/
function customcert_get_view_actions() {
return ['view', 'view all', 'view report'];
}
/**
* Used for course participation report (in case customcert is added).
*
* @return array
*/
function customcert_get_post_actions() {
return ['received'];
}
/**
* Function to be run periodically according to the moodle cron.
*/
function customcert_cron() {
return true;
}
/**
* Serve the edit element as a fragment.
*
* @param array $args List of named arguments for the fragment loader.
* @return string
*/
function mod_customcert_output_fragment_editelement($args) {
global $DB;
// Get the element.
$element = $DB->get_record('customcert_elements', ['id' => $args['elementid']], '*', MUST_EXIST);
$pageurl = new moodle_url('/mod/customcert/rearrange.php', ['pid' => $element->pageid]);
$form = new \mod_customcert\edit_element_form($pageurl, ['element' => $element]);
return $form->render();
}
/**
* This function extends the settings navigation block for the site.
*
* It is safe to rely on PAGE here as we will only ever be within the module
* context when this is called.
*
* @param settings_navigation $settings
* @param navigation_node $customcertnode
*/
function customcert_extend_settings_navigation(settings_navigation $settings, navigation_node $customcertnode) {
global $DB, $PAGE;
$keys = $customcertnode->get_children_key_list();
$beforekey = null;
$i = array_search('modedit', $keys);
if ($i === false && array_key_exists(0, $keys)) {
$beforekey = $keys[0];
} else if (array_key_exists($i + 1, $keys)) {
$beforekey = $keys[$i + 1];
}
if (has_capability('mod/customcert:manage', $settings->get_page()->cm->context)) {
// Get the template id.
$templateid = $DB->get_field('customcert', 'templateid', ['id' => $settings->get_page()->cm->instance]);
$node = navigation_node::create(get_string('editcustomcert', 'customcert'),
new moodle_url('/mod/customcert/edit.php', ['tid' => $templateid]),
navigation_node::TYPE_SETTING, null, 'mod_customcert_edit',
new pix_icon('t/edit', ''));
$customcertnode->add_node($node, $beforekey);
}
if (has_capability('mod/customcert:verifycertificate', $settings->get_page()->cm->context)) {
$node = navigation_node::create(get_string('verifycertificate', 'customcert'),
new moodle_url('/mod/customcert/verify_certificate.php', ['contextid' => $settings->get_page()->cm->context->id]),
navigation_node::TYPE_SETTING, null, 'mod_customcert_verify_certificate',
new pix_icon('t/check', ''));
$customcertnode->add_node($node, $beforekey);
}
return $customcertnode->trim_if_empty();
}
/**
* Add nodes to myprofile page.
*
* @param \core_user\output\myprofile\tree $tree Tree object
* @param stdClass $user user object
* @param bool $iscurrentuser
* @param stdClass $course Course object
* @return void
*/
function mod_customcert_myprofile_navigation(core_user\output\myprofile\tree $tree, $user, $iscurrentuser, $course) {
global $USER;
if (($user->id != $USER->id)
&& !has_capability('mod/customcert:viewallcertificates', context_system::instance())) {
return;
}
$params = [
'userid' => $user->id,
];
if ($course) {
$params['course'] = $course->id;
}
$url = new moodle_url('/mod/customcert/my_certificates.php', $params);
$node = new core_user\output\myprofile\node('miscellaneous', 'mycustomcerts',
get_string('mycertificates', 'customcert'), null, $url);
$tree->add_node($node);
}
/**
* Handles editing the 'name' of the element in a list.
*
* @param string $itemtype
* @param int $itemid
* @param string $newvalue
* @return \core\output\inplace_editable
*/
function mod_customcert_inplace_editable($itemtype, $itemid, $newvalue) {
global $DB, $PAGE;
if ($itemtype === 'elementname') {
$element = $DB->get_record('customcert_elements', ['id' => $itemid], '*', MUST_EXIST);
$page = $DB->get_record('customcert_pages', ['id' => $element->pageid], '*', MUST_EXIST);
$template = $DB->get_record('customcert_templates', ['id' => $page->templateid], '*', MUST_EXIST);
// Set the template object.
$template = new \mod_customcert\template($template);
// Perform checks.
if ($cm = $template->get_cm()) {
require_login($cm->course, false, $cm);
} else {
$PAGE->set_context(context_system::instance());
require_login();
}
// Make sure the user has the required capabilities.
$template->require_manage();
// Clean input and update the record.
$updateelement = new stdClass();
$updateelement->id = $element->id;
$updateelement->name = clean_param($newvalue, PARAM_TEXT);
$DB->update_record('customcert_elements', $updateelement);
return new \core\output\inplace_editable('mod_customcert', 'elementname', $element->id, true,
$updateelement->name, $updateelement->name);
}
}
/**
* Get icon mapping for font-awesome.
*/
function mod_customcert_get_fontawesome_icon_map() {
return [
'mod_customcert:download' => 'fa-download',
];
}
/**
* Force custom language for current session.
*
* @param string $language
* @return bool
*/
function mod_customcert_force_current_language($language): bool {
global $USER;
$forced = false;
if (empty($language)) {
return $forced;
}
$activelangs = get_string_manager()->get_list_of_translations();
$userlang = $USER->lang ?? current_language();
if (array_key_exists($language, $activelangs) && $language != $userlang) {
force_current_language($language);
$forced = true;
}
return $forced;
}