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<?php
declare(strict_types=1);
/**
* @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author John Molakvoæ <skjnldsv@protonmail.com>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Marcel Klehr <mklehr@gmx.net>
*
* @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 OCA\SystemTags\Search;
use OC\Files\Search\SearchBinaryOperator;
use OC\Files\Search\SearchComparison;
use OC\Files\Search\SearchOrder;
use OC\Files\Search\SearchQuery;
use OCP\SystemTag\ISystemTag;
use OCP\SystemTag\ISystemTagManager;
use OCP\SystemTag\ISystemTagObjectMapper;
use OCP\Files\FileInfo;
use OCP\Files\IMimeTypeDetector;
use OCP\Files\IRootFolder;
use OCP\Files\Search\ISearchComparison;
use OCP\Files\Node;
use OCP\Files\Search\ISearchOrder;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\Search\IProvider;
use OCP\Search\ISearchQuery;
use OCP\Search\SearchResult;
use OCP\Search\SearchResultEntry;
use RecursiveArrayIterator;
use RecursiveIteratorIterator;
class TagSearchProvider implements IProvider {
/** @var IL10N */
private $l10n;
/** @var IURLGenerator */
private $urlGenerator;
/** @var IMimeTypeDetector */
private $mimeTypeDetector;
/** @var IRootFolder */
private $rootFolder;
private ISystemTagObjectMapper $objectMapper;
private ISystemTagManager $tagManager;
public function __construct(
IL10N $l10n,
IURLGenerator $urlGenerator,
IMimeTypeDetector $mimeTypeDetector,
IRootFolder $rootFolder,
ISystemTagObjectMapper $objectMapper,
ISystemTagManager $tagManager
) {
$this->l10n = $l10n;
$this->urlGenerator = $urlGenerator;
$this->mimeTypeDetector = $mimeTypeDetector;
$this->rootFolder = $rootFolder;
$this->objectMapper = $objectMapper;
$this->tagManager = $tagManager;
}
/**
* @inheritDoc
*/
public function getId(): string {
return 'systemtags';
}
/**
* @inheritDoc
*/
public function getName(): string {
return $this->l10n->t('Tags');
}
/**
* @inheritDoc
*/
public function getOrder(string $route, array $routeParameters): int {
if ($route === 'files.View.index') {
return -4;
}
return 6;
}
/**
* @inheritDoc
*/
public function search(IUser $user, ISearchQuery $query): SearchResult {
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
$fileQuery = new SearchQuery(
new SearchBinaryOperator(SearchBinaryOperator::OPERATOR_OR, [
new SearchComparison(ISearchComparison::COMPARE_LIKE, 'tagname', '%' . $query->getTerm() . '%'),
new SearchComparison(ISearchComparison::COMPARE_LIKE, 'systemtag', '%' . $query->getTerm() . '%'),
]),
$query->getLimit(),
(int)$query->getCursor(),
$query->getSortOrder() === ISearchQuery::SORT_DATE_DESC ? [
new SearchOrder(ISearchOrder::DIRECTION_DESCENDING, 'mtime'),
] : [],
$user
);
// do search
$searchResults = $userFolder->search($fileQuery);
$resultIds = array_map(function(Node $node) {
return $node->getId();
}, $searchResults);
$matchedTags = $this->objectMapper->getTagIdsForObjects($resultIds, 'files');
$relevantTags = $this->tagManager->getTagsByIds(array_unique($this->flattenArray($matchedTags)));
// prepare direct tag results
$tagResults = array_map(function(ISystemTag $tag) {
$thumbnailUrl = '';
$link = $this->urlGenerator->linkToRoute(
'files.view.index'
) . '?view=systemtagsfilter&tags='.$tag->getId();
$searchResultEntry = new SearchResultEntry(
$thumbnailUrl,
$this->l10n->t('All tagged %s …', [$tag->getName()]),
'',
$this->urlGenerator->getAbsoluteURL($link),
'icon-tag'
);
return $searchResultEntry;
}, array_filter($relevantTags, function($tag) use ($query) {
return $tag->isUserVisible() && strpos($tag->getName(), $query->getTerm()) !== false;
}));
// prepare files results
return SearchResult::paginated(
$this->l10n->t('Tags'),
array_map(function (Node $result) use ($userFolder, $matchedTags, $query) {
// Generate thumbnail url
$thumbnailUrl = $this->urlGenerator->linkToRouteAbsolute('core.Preview.getPreviewByFileId', ['x' => 32, 'y' => 32, 'fileId' => $result->getId()]);
$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(),
$this->formatSubline($query, $matchedTags[$result->getId()]),
$this->urlGenerator->getAbsoluteURL($link),
$result->getMimetype() === FileInfo::MIMETYPE_FOLDER ? 'icon-folder' : $this->mimeTypeDetector->mimeTypeIcon($result->getMimetype())
);
$searchResultEntry->addAttribute('fileId', (string)$result->getId());
$searchResultEntry->addAttribute('path', $path);
return $searchResultEntry;
}, $searchResults)
+ $tagResults,
$query->getCursor() + $query->getLimit()
);
}
/**
* Format subline for tagged files: Show the first 3 tags
*
* @param $query
* @param array $tagInfo
* @return string
*/
private function formatSubline(ISearchQuery $query, array $tagInfo): string {
/**
* @var ISystemTag[]
*/
$tags = $this->tagManager->getTagsByIds($tagInfo);
$tagNames = array_map(function($tag) {
return $tag->getName();
}, array_filter($tags, function($tag) {
return $tag->isUserVisible();
}));
// show the tag that you have searched for first
usort($tagNames, function($tagName) use($query) {
return strpos($tagName, $query->getTerm()) !== false? -1 : 1;
});
return $this->l10n->t('tagged %s', [implode(', ', array_slice($tagNames, 0, 3))]);
}
private function flattenArray($array) {
$it = new RecursiveIteratorIterator(new RecursiveArrayIterator($array));
return iterator_to_array($it, true);
}
}
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