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
|
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Preview;
use OC\BackgroundJob\TimedJob;
use OC\Files\AppData\Factory;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OCP\IDBConnection;
class BackgroundCleanupJob extends TimedJob {
/** @var IDBConnection */
private $connection;
/** @var Factory */
private $appDataFactory;
/** @var bool */
private $isCLI;
public function __construct(IDBConnection $connection,
Factory $appDataFactory,
bool $isCLI) {
// Run at most once an hour
$this->setInterval(3600);
$this->connection = $connection;
$this->appDataFactory = $appDataFactory;
$this->isCLI = $isCLI;
}
public function run($argument) {
$previews = $this->appDataFactory->get('preview');
$previewFodlerId = $previews->getId();
$qb = $this->connection->getQueryBuilder();
$qb->select('a.name')
->from('filecache', 'a')
->leftJoin('a', 'filecache', 'b', $qb->expr()->eq(
$qb->expr()->castColumn('a.name', IQueryBuilder::PARAM_INT), 'b.fileid'
))
->where(
$qb->expr()->isNull('b.fileid')
)->andWhere(
$qb->expr()->eq('a.parent', $qb->createNamedParameter($previewFodlerId))
);
if (!$this->isCLI) {
$qb->setMaxResults(10);
}
$cursor = $qb->execute();
while ($row = $cursor->fetch()) {
try {
$preview = $previews->getFolder($row['name']);
$preview->delete();
} catch (NotFoundException $e) {
// continue
} catch (NotPermittedException $e) {
// continue
}
}
$cursor->closeCursor();
}
}
|