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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Files\Search;
use InvalidArgumentException;
use OC\Files\Search\SearchBinaryOperator;
use OC\Files\Search\SearchComparison;
use OC\Files\Search\SearchOrder;
use OC\Files\Search\SearchQuery;
use OC\Search\Filter\GroupFilter;
use OC\Search\Filter\UserFilter;
use OCP\Files\FileInfo;
use OCP\Files\IMimeTypeDetector;
use OCP\Files\IRootFolder;
use OCP\Files\Node;
use OCP\Files\Search\ISearchComparison;
use OCP\Files\Search\ISearchOperator;
use OCP\Files\Search\ISearchOrder;
use OCP\IL10N;
use OCP\IPreview;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\Search\FilterDefinition;
use OCP\Search\IFilter;
use OCP\Search\IFilteringProvider;
use OCP\Search\ISearchQuery;
use OCP\Search\SearchResult;
use OCP\Search\SearchResultEntry;
use OCP\Share\IShare;
class FilesSearchProvider implements IFilteringProvider {
/** @var IL10N */
private $l10n;
/** @var IURLGenerator */
private $urlGenerator;
/** @var IMimeTypeDetector */
private $mimeTypeDetector;
/** @var IRootFolder */
private $rootFolder;
public function __construct(
IL10N $l10n,
IURLGenerator $urlGenerator,
IMimeTypeDetector $mimeTypeDetector,
IRootFolder $rootFolder,
private IPreview $previewManager,
) {
$this->l10n = $l10n;
$this->urlGenerator = $urlGenerator;
$this->mimeTypeDetector = $mimeTypeDetector;
$this->rootFolder = $rootFolder;
}
/**
* @inheritDoc
*/
public function getId(): string {
return 'files';
}
/**
* @inheritDoc
*/
public function getName(): string {
return $this->l10n->t('Files');
}
/**
* @inheritDoc
*/
public function getOrder(string $route, array $routeParameters): int {
if ($route === 'files.View.index') {
// Before comments
return -5;
}
return 5;
}
public function getSupportedFilters(): array {
return [
'term',
'since',
'until',
'person',
'min-size',
'max-size',
'mime',
'type',
'path',
'is-favorite',
'title-only',
];
}
public function getAlternateIds(): array {
return [];
}
public function getCustomFilters(): array {
return [
new FilterDefinition('min-size', FilterDefinition::TYPE_INT),
new FilterDefinition('max-size', FilterDefinition::TYPE_INT),
new FilterDefinition('mime', FilterDefinition::TYPE_STRING),
new FilterDefinition('type', FilterDefinition::TYPE_STRING),
new FilterDefinition('path', FilterDefinition::TYPE_STRING),
new FilterDefinition('is-favorite', FilterDefinition::TYPE_BOOL),
];
}
public function search(IUser $user, ISearchQuery $query): SearchResult {
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
$fileQuery = $this->buildSearchQuery($query, $user);
return SearchResult::paginated(
$this->l10n->t('Files'),
array_map(function (Node $result) use ($userFolder) {
$thumbnailUrl = $this->previewManager->isMimeSupported($result->getMimetype())
? $this->urlGenerator->linkToRouteAbsolute('core.Preview.getPreviewByFileId', ['x' => 32, 'y' => 32, 'fileId' => $result->getId()])
: '';
$icon = $result->getMimetype() === FileInfo::MIMETYPE_FOLDER
? 'icon-folder'
: $this->mimeTypeDetector->mimeTypeIcon($result->getMimetype());
$path = $userFolder->getRelativePath($result->getPath());
// Use shortened link to centralize the various
// files/folder url redirection in files.View.showFile
$link = $this->urlGenerator->linkToRoute(
'files.View.showFile',
['fileid' => $result->getId()]
);
$searchResultEntry = new SearchResultEntry(
$thumbnailUrl,
$result->getName(),
$this->formatSubline($path),
$this->urlGenerator->getAbsoluteURL($link),
$icon,
);
$searchResultEntry->addAttribute('fileId', (string)$result->getId());
$searchResultEntry->addAttribute('path', $path);
return $searchResultEntry;
}, $userFolder->search($fileQuery)),
$query->getCursor() + $query->getLimit()
);
}
private function buildSearchQuery(ISearchQuery $query, IUser $user): SearchQuery {
$comparisons = [];
foreach ($query->getFilters() as $name => $filter) {
$comparisons[] = match ($name) {
'term' => new SearchComparison(ISearchComparison::COMPARE_LIKE, 'name', '%' . $filter->get() . '%'),
'since' => new SearchComparison(ISearchComparison::COMPARE_GREATER_THAN_EQUAL, 'mtime', $filter->get()->getTimestamp()),
'until' => new SearchComparison(ISearchComparison::COMPARE_LESS_THAN_EQUAL, 'mtime', $filter->get()->getTimestamp()),
'min-size' => new SearchComparison(ISearchComparison::COMPARE_GREATER_THAN_EQUAL, 'size', $filter->get()),
'max-size' => new SearchComparison(ISearchComparison::COMPARE_LESS_THAN_EQUAL, 'size', $filter->get()),
'mime' => new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'mimetype', $filter->get()),
'type' => new SearchComparison(ISearchComparison::COMPARE_LIKE, 'mimetype', $filter->get() . '/%'),
'path' => new SearchComparison(ISearchComparison::COMPARE_LIKE, 'path', 'files/' . ltrim($filter->get(), '/') . '%'),
'person' => $this->buildPersonSearchQuery($filter),
default => throw new InvalidArgumentException('Unsupported comparison'),
};
}
return new SearchQuery(
new SearchBinaryOperator(SearchBinaryOperator::OPERATOR_AND, $comparisons),
$query->getLimit(),
(int) $query->getCursor(),
$query->getSortOrder() === ISearchQuery::SORT_DATE_DESC
? [new SearchOrder(ISearchOrder::DIRECTION_DESCENDING, 'mtime')]
: [],
$user
);
}
private function buildPersonSearchQuery(IFilter $person): ISearchOperator {
if ($person instanceof UserFilter) {
return new SearchBinaryOperator(SearchBinaryOperator::OPERATOR_OR, [
new SearchBinaryOperator(SearchBinaryOperator::OPERATOR_AND, [
new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'share_with', $person->get()->getUID()),
new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'share_type', IShare::TYPE_USER),
]),
new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'owner', $person->get()->getUID()),
]);
}
if ($person instanceof GroupFilter) {
return new SearchBinaryOperator(SearchBinaryOperator::OPERATOR_AND, [
new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'share_with', $person->get()->getGID()),
new SearchComparison(ISearchComparison::COMPARE_EQUAL, 'share_type', IShare::TYPE_GROUP),
]);
}
throw new InvalidArgumentException('Unsupported filter type');
}
/**
* Format subline for files
*
* @param string $path
* @return string
*/
private function formatSubline(string $path): string {
// Do not show the location if the file is in root
if (strrpos($path, '/') > 0) {
$path = ltrim(dirname($path), '/');
return $this->l10n->t('in %s', [$path]);
} else {
return '';
}
}
}
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