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<?php |
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/** |
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* @copyright Copyright (c) 2020, Matias De lellis <[email protected]> |
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* @copyright Copyright (c) 2019, Branko Kokanovic <[email protected]> |
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* |
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* @author Branko Kokanovic <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\FaceRecognition\Service; |
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use OCP\IUser; |
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use OCP\IUserManager; |
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use OCA\FaceRecognition\Db\FaceMapper; |
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use OCA\FaceRecognition\Db\ImageMapper; |
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use OCA\FaceRecognition\Db\PersonMapper; |
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use OCA\FaceRecognition\Service\SettingsService; |
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/** |
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* Background service. Both command and cron job are calling this service for long-running background operations. |
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* Background processing for face recognition is comprised of several steps, called tasks. Each task is independent, |
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* idempotent, DI-aware logic unit that yields. Since tasks are non-preemptive, they should yield from time to time, so we son't end up |
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* working for more than given timeout. |
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* |
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* Tasks can be seen as normal sequential functions, but they are easier to work with, |
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* reason about them and test them independently. Other than that, they are really glorified functions. |
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*/ |
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class FaceManagementService { |
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/** @var IUserManager */ |
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private $userManager; |
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/** @var FaceMapper */ |
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private $faceMapper; |
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/** @var ImageMapper */ |
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private $imageMapper; |
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/** @var PersonMapper */ |
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private $personMapper; |
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/** @var SettingsService */ |
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private $settingsService; |
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public function __construct(IUserManager $userManager, |
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FaceMapper $faceMapper, |
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ImageMapper $imageMapper, |
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PersonMapper $personMapper, |
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SettingsService $settingsService) |
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{ |
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$this->userManager = $userManager; |
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$this->faceMapper = $faceMapper; |
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$this->imageMapper = $imageMapper; |
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$this->personMapper = $personMapper; |
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$this->settingsService = $settingsService; |
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} |
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/** |
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* Deletes all faces, images and persons found. IF no user is given, resetting is executed for all users. |
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* |
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* @param IUser|null $user Optional user to execute resetting for |
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*/ |
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public function resetAll(IUser $user = null) { |
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$eligible_users = $this->getEligiblesUserId($user); |
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foreach($eligible_users as $user) { |
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$this->resetAllForUser($user); |
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} |
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} |
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/** |
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* Deletes all faces, images and persons found for a given user. |
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* |
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* @param string $user ID of user to execute resetting for |
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*/ |
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public function resetAllForUser(string $userId) { |
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$this->faceMapper->deleteUserFaces($userId); |
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$this->personMapper->deleteUserPersons($userId); |
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$this->imageMapper->deleteUserImages($userId); |
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$this->settingsService->setUserFullScanDone(false, $userId); |
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} |
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/** |
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* Reset error in images in order to re-analyze again. |
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* If no user is given, resetting is executed for all users. |
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* |
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* @param IUser|null $user Optional user to execute resetting for |
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*/ |
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public function resetImageErrors(IUser $user = null) { |
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$eligible_users = $this->getEligiblesUserId($user); |
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foreach($eligible_users as $userId) { |
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$this->imageMapper->resetErrors($userId); |
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$this->settingsService->setUserFullScanDone(false, $userId); |
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} |
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} |
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/** |
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* Eliminate all faces relations with person. |
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* If no user is given, resetting is executed for all users. |
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* |
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* @param IUser|null $user Optional user to execute resetting for |
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*/ |
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public function resetClusters(IUser $user = null) { |
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$eligible_users = $this->getEligiblesUserId($user); |
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foreach($eligible_users as $user) { |
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$this->resetClustersForUser($user); |
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} |
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} |
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/** |
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* Eliminate all faces relations with person. |
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* |
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* @param string $user ID of user to execute resetting for |
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*/ |
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public function resetClustersForUser(string $userId) { |
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$model = $this->settingsService->getCurrentFaceModel(); |
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$this->faceMapper->unsetPersonsRelationForUser($userId, $model); |
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$this->personMapper->deleteUserPersons($userId); |
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} |
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/** |
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* Get an array with the eligibles users taking into account the user argument, |
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* or all users. |
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* |
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* @param IUser|null $user Optional user to get specific user. |
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*/ |
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private function getEligiblesUserId(IUser $user = null): array { |
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$eligible_users = array(); |
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if (is_null($user)) { |
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$this->userManager->callForAllUsers(function (IUser $user) use (&$eligible_users) { |
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$eligible_users[] = $user->getUID(); |
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}); |
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} else { |
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$eligible_users[] = $user->getUID(); |
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} |
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return $eligible_users; |
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} |
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} |
matiasdelellis /
facerecognition
