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<?php
/**
* FullTextSearch - Full text search framework for Nextcloud
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Maxence Lange <maxence@artificial-owl.com>
* @copyright 2018
* @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\FullTextSearch\Service;
use Exception;
use OC\App\AppManager;
use OC\User\NoUserException;
use OCA\Circles\Api\v1\Circles;
use OCA\FullTextSearch\Exceptions\EmptySearchException;
use OCA\FullTextSearch\Exceptions\ProviderDoesNotExistException;
use OCA\FullTextSearch\IFullTextSearchPlatform;
use OCA\FullTextSearch\IFullTextSearchProvider;
use OCA\FullTextSearch\Model\DocumentAccess;
use OCA\FullTextSearch\Model\SearchRequest;
use OCA\FullTextSearch\Model\SearchResult;
use OCP\IGroupManager;
use OCP\IUser;
use OCP\IUserManager;
class SearchService {
/** @var string */
private $userId;
/** @var AppManager */
private $appManager;
/** @var IUserManager */
private $userManager;
/** @var IGroupManager */
private $groupManager;
/** @var ConfigService */
private $configService;
/** @var ProviderService */
private $providerService;
/** @var PlatformService */
private $platformService;
/** @var MiscService */
private $miscService;
/**
* IndexService constructor.
*
* @param string $userId
* @param AppManager $appManager
* @param IUserManager $userManager
* @param IGroupManager $groupManager
* @param ConfigService $configService
* @param ProviderService $providerService
* @param PlatformService $platformService
* @param MiscService $miscService
*/
public function __construct(
$userId, AppManager $appManager, IUserManager $userManager, IGroupManager $groupManager,
ConfigService $configService, ProviderService $providerService,
PlatformService $platformService,
MiscService $miscService
) {
$this->userId = $userId;
$this->appManager = $appManager;
$this->userManager = $userManager;
$this->groupManager = $groupManager;
$this->configService = $configService;
$this->providerService = $providerService;
$this->platformService = $platformService;
$this->miscService = $miscService;
}
/**
* @param string $userId
* @param SearchRequest $request
*
* @throws EmptySearchException
* @throws Exception
* @throws ProviderDoesNotExistException
*/
public function search($userId, SearchRequest $request) {
$this->searchRequestCannotBeEmpty($request);
if ($userId === null) {
$userId = $this->userId;
}
$user = $this->userManager->get($userId);
if ($user === null) {
throw new NoUserException('User does not exist');
}
$request->setAuthor($user->getUID());
$request->cleanSearch();
$providers = $this->providerService->getFilteredProviders($request->getProviders());
$platform = $this->platformService->getPlatform();
$access = $this->getDocumentAccessFromUser($user);
$result = $this->searchFromProviders($platform, $providers, $access, $request);
// foreach ($result as $searchResult) {
// $searchResult->setPlatform($platform);
// $searchResult->setRequest($request);
// }
//
return $result;
}
/**
* @param SearchRequest $request
*
* @throws EmptySearchException
*/
private function searchRequestCannotBeEmpty(SearchRequest $request) {
if ($request === null || strlen($request->getSearch()) < 1) {
throw new EmptySearchException('search cannot be empty');
}
}
/**
* @param IFullTextSearchPlatform $platform
* @param DocumentAccess $access
* @param IFullTextSearchProvider[] $providers
* @param SearchRequest $request
*
* @return SearchResult[]
*/
private function searchFromProviders(
IFullTextSearchPlatform $platform, $providers, DocumentAccess $access,
SearchRequest $request
) {
$result = [];
foreach ($providers AS $provider) {
$provider->improveSearchRequest($request);
$searchResult = new SearchResult($request);
$searchResult->setProvider($provider);
$searchResult->setPlatform($platform);
$platform->searchRequest($searchResult, $access);
$provider->improveSearchResult($searchResult);
$result[] = $searchResult;
}
return $result;
}
/**
* @param IUser $user
*
* @return DocumentAccess
*/
private function getDocumentAccessFromUser(IUser $user) {
$rights = new DocumentAccess();
$rights->setViewerId($user->getUID());
$rights->setGroups($this->groupManager->getUserGroupIds($user));
if ($this->appManager->isEnabledForUser('circles', $user)) {
try {
$rights->setCircles(Circles::joinedCircleIds($user->getUID()));
} catch (Exception $e) {
$this->miscService->log('Circles is set as enabled but: ' . $e->getMessage());
}
}
return $rights;
}
}
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