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  1. <?php
  2. /**
  3. * @copyright Copyright (c) 2018 John Molakvoæ <skjnldsv@protonmail.com>
  4. *
  5. * @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
  6. * @author Michael Weimann <mail@michael-weimann.eu>
  7. *
  8. * @license GNU AGPL version 3 or any later version
  9. *
  10. * This program is free software: you can redistribute it and/or modify
  11. * it under the terms of the GNU Affero General Public License as
  12. * published by the Free Software Foundation, either version 3 of the
  13. * License, or (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU Affero General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU Affero General Public License
  21. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  22. *
  23. */
  24. namespace OC\Repair;
  25. use OC\Avatar\AvatarManager;
  26. use OCP\IConfig;
  27. use OCP\Migration\IOutput;
  28. use OCP\Migration\IRepairStep;
  29. class ClearGeneratedAvatarCache implements IRepairStep {
  30. /** @var AvatarManager */
  31. protected $avatarManager;
  32. /** @var IConfig */
  33. private $config;
  34. public function __construct(IConfig $config, AvatarManager $avatarManager) {
  35. $this->config = $config;
  36. $this->avatarManager = $avatarManager;
  37. }
  38. public function getName() {
  39. return 'Clear every generated avatar on major updates';
  40. }
  41. /**
  42. * Check if this repair step should run
  43. *
  44. * @return boolean
  45. */
  46. private function shouldRun() {
  47. $versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0.0');
  48. // was added to 15.0.0.4
  49. return version_compare($versionFromBeforeUpdate, '15.0.0.4', '<=');
  50. }
  51. public function run(IOutput $output) {
  52. if ($this->shouldRun()) {
  53. try {
  54. $this->avatarManager->clearCachedAvatars();
  55. $output->info('Avatar cache cleared');
  56. } catch (\Exception $e) {
  57. $output->warning('Unable to clear the avatar cache');
  58. }
  59. }
  60. }
  61. }