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) {
if (str_contains($size, 'x')) {
$sizeParts = explode('x', $size, 2);
} else {
$sizeParts = [$size, $size];
}
if (!is_numeric($sizeParts[0]) || !is_numeric($sizeParts[1] ?? null)) {
$output->writeln("Invalid size $size");
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("Invalid mode $mode");
return 1;
}
$crop = $input->getOption("crop");
$file = $this->getFile($fileInput);
if (!$file) {
$output->writeln("File $fileInput not found");
return 1;
}
if (!$file instanceof File) {
$output->writeln("Can't generate previews for folders");
return 1;
}
if (!$this->previewManager->isAvailable($file)) {
$output->writeln("No preview generator available for file of type" . $file->getMimetype() . "");
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) {
$output->writeln("generated " . count($specifications) . " 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());
return $userFolder->getFirstNodeById((int)$fileInput);
} else {
try {
return $this->rootFolder->get($fileInput);
} catch (NotFoundException $e) {
return null;
}
}
}
}