|
|
- <?php
-
- declare(strict_types=1);
-
- /**
- * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @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 OC;
-
- use Closure;
- use OCP\IInitialStateService;
- use OCP\ILogger;
-
- class InitialStateService implements IInitialStateService {
-
- /** @var ILogger */
- private $logger;
-
- /** @var string[][] */
- private $states = [];
-
- /** @var Closure[][] */
- private $lazyStates = [];
-
- public function __construct(ILogger $logger) {
- $this->logger = $logger;
- }
-
- public function provideInitialState(string $appName, string $key, $data): void {
- // Scalars and JsonSerializable are fine
- if (is_scalar($data) || $data instanceof \JsonSerializable || is_array($data)) {
- if (!isset($this->states[$appName])) {
- $this->states[$appName] = [];
- }
- $this->states[$appName][$key] = json_encode($data);
- return;
- }
-
- $this->logger->warning('Invalid data provided to provideInitialState by ' . $appName);
- }
-
- public function provideLazyInitialState(string $appName, string $key, Closure $closure): void {
- if (!isset($this->lazyStates[$appName])) {
- $this->lazyStates[$appName] = [];
- }
- $this->lazyStates[$appName][$key] = $closure;
- }
-
- /**
- * Invoke all callbacks to populate the `states` property
- */
- private function invokeLazyStateCallbacks(): void {
- foreach ($this->lazyStates as $app => $lazyStates) {
- foreach ($lazyStates as $key => $lazyState) {
- $startTime = microtime(true);
- $this->provideInitialState($app, $key, $lazyState());
- $endTime = microtime(true);
- $duration = $endTime - $startTime;
- if ($duration > 1) {
- $this->logger->warning('Lazy initial state provider for {key} took {duration} seconds.', [
- 'app' => $app,
- 'key' => $key,
- 'duration' => round($duration, 2),
- ]);
- }
- }
- }
- $this->lazyStates = [];
- }
-
- public function getInitialStates(): array {
- $this->invokeLazyStateCallbacks();
-
- $appStates = [];
- foreach ($this->states as $app => $states) {
- foreach ($states as $key => $value) {
- $appStates["$app-$key"] = $value;
- }
- }
- return $appStates;
- }
- }
|