VersionCollection.php 2.5 KB

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  1. <?php
  2. declare(strict_types=1);
  3. /**
  4. * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
  5. *
  6. * @author Robin Appelman <robin@icewind.nl>
  7. * @author Roeland Jago Douma <roeland@famdouma.nl>
  8. *
  9. * @license GNU AGPL version 3 or any later version
  10. *
  11. * This program is free software: you can redistribute it and/or modify
  12. * it under the terms of the GNU Affero General Public License as
  13. * published by the Free Software Foundation, either version 3 of the
  14. * License, or (at your option) any later version.
  15. *
  16. * This program is distributed in the hope that it will be useful,
  17. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19. * GNU Affero General Public License for more details.
  20. *
  21. * You should have received a copy of the GNU Affero General Public License
  22. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  23. *
  24. */
  25. namespace OCA\Files_Versions\Sabre;
  26. use OCA\Files_Versions\Versions\IVersion;
  27. use OCA\Files_Versions\Versions\IVersionManager;
  28. use OCP\Files\File;
  29. use OCP\IUser;
  30. use Sabre\DAV\Exception\Forbidden;
  31. use Sabre\DAV\Exception\NotFound;
  32. use Sabre\DAV\ICollection;
  33. class VersionCollection implements ICollection {
  34. /** @var File */
  35. private $file;
  36. /** @var IUser */
  37. private $user;
  38. /** @var IVersionManager */
  39. private $versionManager;
  40. public function __construct(File $file, IUser $user, IVersionManager $versionManager) {
  41. $this->file = $file;
  42. $this->user = $user;
  43. $this->versionManager = $versionManager;
  44. }
  45. public function createFile($name, $data = null) {
  46. throw new Forbidden();
  47. }
  48. public function createDirectory($name) {
  49. throw new Forbidden();
  50. }
  51. public function getChild($name) {
  52. /** @var VersionFile[] $versions */
  53. $versions = $this->getChildren();
  54. foreach ($versions as $version) {
  55. if ($version->getName() === $name) {
  56. return $version;
  57. }
  58. }
  59. throw new NotFound();
  60. }
  61. public function getChildren(): array {
  62. $versions = $this->versionManager->getVersionsForFile($this->user, $this->file);
  63. return array_map(function (IVersion $version) {
  64. return new VersionFile($version, $this->versionManager);
  65. }, $versions);
  66. }
  67. public function childExists($name): bool {
  68. try {
  69. $this->getChild($name);
  70. return true;
  71. } catch (NotFound $e) {
  72. return false;
  73. }
  74. }
  75. public function delete() {
  76. throw new Forbidden();
  77. }
  78. public function getName(): string {
  79. return (string)$this->file->getId();
  80. }
  81. public function setName($name) {
  82. throw new Forbidden();
  83. }
  84. public function getLastModified(): int {
  85. return 0;
  86. }
  87. }