feat(ShareByCircleProvider): Implement IShareProviderGetUsers

Signed-off-by: provokateurin <kate@provokateurin.de>

Author: provokateurin

lib/ShareByCircleProvider.php

@@ -50,23 +50,27 @@
 use OCP\Files\IRootFolder;
 use OCP\Files\Node;
 use OCP\Files\NotFoundException;
+use OCP\IGroup;
+use OCP\IGroupManager;
 use OCP\IL10N;
 use OCP\IURLGenerator;
+use OCP\IUser;
 use OCP\IUserManager;
 use OCP\Share\Exceptions\AlreadySharedException;
 use OCP\Share\Exceptions\IllegalIDChangeException;
 use OCP\Share\Exceptions\ShareNotFound;
 use OCP\Share\IPartialShareProvider;
 use OCP\Share\IShare;
 use OCP\Share\IShareProvider;
+use OCP\Share\IShareProviderGetUsers;
 use Psr\Log\LoggerInterface;
 
 /**
  * Class ShareByCircleProvider
  *
  * @package OCA\Circles
  */
-class ShareByCircleProvider implements IShareProvider, IPartialShareProvider {
+class ShareByCircleProvider implements IShareProvider, IPartialShareProvider, IShareProviderGetUsers {
 	use TArrayTools;
 	use TStringTools;
 	use TNCLogger;
@@ -85,6 +89,7 @@ public function __construct(
 		private FederatedEventService $federatedEventService,
 		private CircleService $circleService,
 		private EventService $eventService,
+		private readonly IGroupManager $groupManager,
 	) {
 	}
 
@@ -845,4 +850,19 @@ public function getAllShares(): iterable {
 		//		$cursor->closeCursor();
 		return [];
 	}
+
+	public function getUsersForShare(IShare $share): iterable {
+		$members = $this->shareWrapperService->getShareById((int)$share->getId())->getCircle()->getInheritedMembers();
+		foreach ($members as $member) {
+			if ($member->getUserType() === Member::TYPE_USER) {
+				/** @var IUser $user */
+				$user = $this->userManager->get($member->getUserId());
+				yield $user;
+			} elseif ($member->getUserType() === Member::TYPE_GROUP) {
+				/** @var IGroup $group */
+				$group = $this->groupManager->get($member->getUserId());
+				yield from $group->getUsers();
+			}
+		}
+	}
 }