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102 lines
2.8 KiB
102 lines
2.8 KiB
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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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 => $lazyState) {
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$startTime = microtime(true);
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$this->provideInitialState($app, $key, $lazyState());
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$endTime = microtime(true);
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$duration = $endTime - $startTime;
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if ($duration > 1) {
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$this->logger->warning('Lazy initial state provider for {key} took {duration} seconds.', [
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'app' => $app,
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'key' => $key,
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'duration' => round($duration, 2),
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]);
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}
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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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