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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2019, Roeland Jago Douma <[email protected]> |
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* |
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* @author Roeland Jago Douma <[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 OC; |
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use Closure; |
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use OCP\IInitialStateService; |
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use OCP\ILogger; |
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class InitialStateService implements IInitialStateService { |
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/** @var ILogger */ |
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private $logger; |
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/** @var string[][] */ |
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private $states = []; |
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/** @var Closure[][] */ |
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private $lazyStates = []; |
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public function __construct(ILogger $logger) { |
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$this->logger = $logger; |
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} |
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public function provideInitialState(string $appName, string $key, $data): void { |
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// Scalars and JsonSerializable are fine |
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if (is_scalar($data) || $data instanceof \JsonSerializable || is_array($data)) { |
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if (!isset($this->states[$appName])) { |
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$this->states[$appName] = []; |
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} |
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$this->states[$appName][$key] = json_encode($data); |
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return; |
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} |
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$this->logger->warning('Invalid data provided to provideInitialState by ' . $appName); |
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} |
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public function provideLazyInitialState(string $appName, string $key, Closure $closure): void { |
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if (!isset($this->lazyStates[$appName])) { |
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$this->lazyStates[$appName] = []; |
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} |
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$this->lazyStates[$appName][$key] = $closure; |
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} |
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/** |
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* Invoke all callbacks to populate the `states` property |
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*/ |
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private function invokeLazyStateCallbacks(): void { |
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foreach ($this->lazyStates as $app => $lazyStates) { |
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foreach ($lazyStates as $key => $lazyState) { |
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$this->provideInitialState($app, $key, $lazyState()); |
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} |
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} |
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$this->lazyStates = []; |
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} |
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public function getInitialStates(): array { |
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$this->invokeLazyStateCallbacks(); |
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$appStates = []; |
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foreach ($this->states as $app => $states) { |
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foreach ($states as $key => $value) { |
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$appStates["$app-$key"] = $value; |
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} |
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} |
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return $appStates; |
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} |
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} |
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