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
|
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2023 Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Core\Command\Preview;
use OCP\Files\Config\IUserMountCache;
use OCP\Files\File;
use OCP\Files\IRootFolder;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
use OCP\IPreview;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
class Generate extends Command {
public function __construct(
private IRootFolder $rootFolder,
private IUserMountCache $userMountCache,
private IPreview $previewManager,
) {
parent::__construct();
}
protected function configure() {
$this
->setName('preview:generate')
->setDescription('generate a preview for a file')
->addArgument("file", InputArgument::REQUIRED, "path or fileid of the file to generate the preview for")
->addOption("size", "s", InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED, "size to generate the preview for in pixels, defaults to 64x64", ["64x64"])
->addOption("crop", "c", InputOption::VALUE_NONE, "crop the previews instead of maintaining aspect ratio")
->addOption("mode", "m", InputOption::VALUE_REQUIRED, "mode for generating uncropped previews, 'cover' or 'fill'", IPreview::MODE_FILL);
}
protected function execute(InputInterface $input, OutputInterface $output): int {
$fileInput = $input->getArgument("file");
$sizes = $input->getOption("size");
$sizes = array_map(function (string $size) use ($output, &$error) {
if (str_contains($size, 'x')) {
$sizeParts = explode('x', $size, 2);
} else {
$sizeParts = [$size, $size];
}
if (!is_numeric($sizeParts[0]) || !is_numeric($sizeParts[1])) {
$output->writeln("<error>Invalid size $size</error>");
return null;
}
return array_map("intval", $sizeParts);
}, $sizes);
if (in_array(null, $sizes)) {
return 1;
}
$mode = $input->getOption("mode");
if ($mode !== IPreview::MODE_FILL && $mode !== IPreview::MODE_COVER) {
$output->writeln("<error>Invalid mode $mode</error>");
return 1;
}
$crop = $input->getOption("crop");
$file = $this->getFile($fileInput);
if (!$file) {
$output->writeln("<error>File $fileInput not found</error>");
return 1;
}
if (!$file instanceof File) {
$output->writeln("<error>Can't generate previews for folders</error>");
return 1;
}
if (!$this->previewManager->isAvailable($file)) {
$output->writeln("<error>No preview generator available for file of type" . $file->getMimetype() . "</error>");
return 1;
}
$specifications = array_map(function (array $sizes) use ($crop, $mode) {
return [
'width' => $sizes[0],
'height' => $sizes[1],
'crop' => $crop,
'mode' => $mode,
];
}, $sizes);
$this->previewManager->generatePreviews($file, $specifications);
if (count($specifications) > 1) {
$output->writeln("generated <info>" . count($specifications) . "</info> previews");
} else {
$output->writeln("preview generated");
}
return 0;
}
private function getFile(string $fileInput): ?Node {
if (is_numeric($fileInput)) {
$mounts = $this->userMountCache->getMountsForFileId((int)$fileInput);
if (!$mounts) {
return null;
}
$mount = $mounts[0];
$userFolder = $this->rootFolder->getUserFolder($mount->getUser()->getUID());
$nodes = $userFolder->getById((int)$fileInput);
if (!$nodes) {
return null;
}
return $nodes[0];
} else {
try {
return $this->rootFolder->get($fileInput);
} catch (NotFoundException $e) {
return null;
}
}
}
}
|
