126 lines
3.3 KiB
PHP
126 lines
3.3 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @author 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
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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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namespace OCA\Recommendations\Service;
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use function array_filter;
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use function array_map;
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use function array_merge;
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use function array_slice;
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use function iterator_to_array;
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use OCP\Files\NotFoundException;
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use function usort;
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use Generator;
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use OCP\Files\IRootFolder;
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use OCP\IL10N;
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use OCP\IUser;
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use OCP\Share\IManager;
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use OCP\Share\IShare;
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class RecentlySharedFilesSource implements IRecommendationSource {
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private IManager $shareManager;
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private IRootFolder $rootFolder;
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private IL10N $l10n;
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public function __construct(IManager $shareManager,
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IRootFolder $rootFolder,
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IL10N $l10n) {
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$this->shareManager = $shareManager;
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$this->rootFolder = $rootFolder;
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$this->l10n = $l10n;
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}
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/**
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* @return Generator<IShare>
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*/
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private function getAllShares(IUser $user, int $shareType): Generator {
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$offset = 0;
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$pageSize = 50;
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while (count($page = $this->shareManager->getSharedWith(
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$user->getUID(),
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$shareType,
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null,
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$pageSize,
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$offset
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))) {
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foreach ($page as $share) {
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yield $share;
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}
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$offset += $pageSize;
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}
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}
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/**
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* @param IShare[] $shares
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*
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* @return IShare[]
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*/
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private function sortShares(array $shares): array {
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usort($shares, function (IShare $a, IShare $b) {
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return $b->getShareTime()->getTimestamp() - $a->getShareTime()->getTimestamp();
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});
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return $shares;
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}
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/**
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* @param IUser $user
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*
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* @todo load other share types as well
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*
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* @return IShare[]
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*/
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private function getMostRecentShares(IUser $user, int $max): array {
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$shares = $this->sortShares(array_merge(
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iterator_to_array($this->getAllShares($user, IShare::TYPE_USER)),
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iterator_to_array($this->getAllShares($user, IShare::TYPE_GROUP))
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));
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return array_slice($shares, 0, $max);
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}
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/**
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* @return IRecommendation[]
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*/
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public function getMostRecentRecommendation(IUser $user, int $max): array {
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$shares = $this->getMostRecentShares($user, $max);
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$userFolder = $this->rootFolder->getUserFolder($user->getUID());
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return array_filter(array_map(function (IShare $share) use ($userFolder): ?RecommendedFile {
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try {
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return new RecommendedFile(
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$userFolder->getRelativePath($userFolder->get($share->getTarget())->getParent()->getPath()),
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$share->getNode(),
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$share->getShareTime()->getTimestamp(),
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$this->l10n->t("Recently shared")
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);
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} catch (NotFoundException $ex) {
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return null;
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}
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}, $shares));
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}
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}
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