| 1 |
efrain |
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/>.
|
| 1441 |
ariadna |
16 |
|
| 1 |
efrain |
17 |
/**
|
|
|
18 |
* Form for adding a apcu instance.
|
|
|
19 |
*
|
|
|
20 |
* @copyright 2014 Sam Hemelryk
|
|
|
21 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
22 |
*/
|
|
|
23 |
class cachestore_apcu_addinstance_form extends cachestore_addinstance_form {
|
|
|
24 |
/**
|
|
|
25 |
* Add the desired form elements.
|
|
|
26 |
*/
|
|
|
27 |
protected function configuration_definition() {
|
|
|
28 |
global $CFG;
|
|
|
29 |
$form = $this->_form;
|
|
|
30 |
$form->addElement('text', 'prefix', get_string('prefix', 'cachestore_apcu'),
|
|
|
31 |
array('maxlength' => 5, 'size' => 5));
|
|
|
32 |
$form->addHelpButton('prefix', 'prefix', 'cachestore_apcu');
|
|
|
33 |
$form->setType('prefix', PARAM_TEXT); // We set to text but we have a rule to limit to alphanumext.
|
|
|
34 |
$form->setDefault('prefix', $CFG->prefix);
|
|
|
35 |
$form->addRule('prefix', get_string('prefixinvalid', 'cachestore_apcu'), 'regex', '#^[a-zA-Z0-9\-_]+$#');
|
|
|
36 |
$form->addElement('header', 'apc_notice', get_string('notice', 'cachestore_apcu'));
|
|
|
37 |
$form->setExpanded('apc_notice');
|
|
|
38 |
$link = get_docs_url('Caching#APC');
|
|
|
39 |
$form->addElement('html', nl2br(get_string('clusternotice', 'cachestore_apcu', $link)));
|
|
|
40 |
}
|
|
|
41 |
|
|
|
42 |
/**
|
|
|
43 |
* Validates the configuration data.
|
|
|
44 |
*
|
|
|
45 |
* We need to check that prefix is unique.
|
|
|
46 |
*
|
|
|
47 |
* @param array $data
|
|
|
48 |
* @param array $files
|
|
|
49 |
* @param array $errors
|
|
|
50 |
* @return array
|
|
|
51 |
* @throws coding_exception
|
|
|
52 |
*/
|
|
|
53 |
public function configuration_validation($data, $files, array $errors) {
|
|
|
54 |
if (empty($errors['prefix'])) {
|
|
|
55 |
$factory = cache_factory::instance();
|
|
|
56 |
$config = $factory->create_config_instance();
|
|
|
57 |
foreach ($config->get_all_stores() as $store) {
|
|
|
58 |
if ($store['plugin'] === 'apcu') {
|
|
|
59 |
if (isset($store['configuration']['prefix'])) {
|
|
|
60 |
if ($data['prefix'] === $store['configuration']['prefix']) {
|
|
|
61 |
// The new store has the same prefix as an existing store, thats a problem.
|
|
|
62 |
$errors['prefix'] = get_string('prefixnotunique', 'cachestore_apcu');
|
|
|
63 |
break;
|
|
|
64 |
}
|
|
|
65 |
} else if (empty($data['prefix'])) {
|
|
|
66 |
// The existing store hasn't got a prefix and neither does the new store, that's a problem.
|
|
|
67 |
$errors['prefix'] = get_string('prefixnotunique', 'cachestore_apcu');
|
|
|
68 |
break;
|
|
|
69 |
}
|
|
|
70 |
}
|
|
|
71 |
}
|
|
|
72 |
}
|
|
|
73 |
return $errors;
|
|
|
74 |
}
|
|
|
75 |
}
|