Use the displayname for federated notifications

Since we have the showing this is a lot nicer.
Especially on alrge isntances where the uid can be totally random.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

apps/federatedfilesharing/lib/Notifier.php

@@ -102,8 +102,14 @@ class Notifier implements INotifier {
 				$params = $notification->getSubjectParameters();
 				if ($params[0] !== $params[1] && $params[1] !== null) {
 					$notification->setParsedSubject(
-						$l->t('You received "%3$s" as a remote share from %1$s (on behalf of %2$s)', $params)
+						$l->t('You received "%3$s" as a remote share from %4$s (%1$s) (on behalf of %5$s (%2$s))', $params)
 					);
+
+					$initiator = $params[0];
+					$initiatorDisplay = isset($params[3]) ? $params[3] : null;
+					$owner = $params[1];
+					$ownerDisplay = isset($params[4]) ? $params[4] : null;
+
 					$notification->setRichSubject(
 						$l->t('You received {share} as a remote share from {user} (on behalf of {behalf})'),
 						[
@@ -112,14 +118,18 @@ class Notifier implements INotifier {
 								'id' => $notification->getObjectId(),
 								'name' => $params[2],
 							],
-							'user' => $this->createRemoteUser($params[0]),
-							'behalf' => $this->createRemoteUser($params[1]),
+							'user' => $this->createRemoteUser($initiator, $initiatorDisplay),
+							'behalf' => $this->createRemoteUser($owner, $ownerDisplay),
 						]
 					);
 				} else {
 					$notification->setParsedSubject(
-						$l->t('You received "%3$s" as a remote share from %1$s', $params)
+						$l->t('You received "%3$s" as a remote share from %4$s (%1$s)', $params)
 					);
+
+					$owner = $params[0];
+					$ownerDisplay = isset($params[3]) ? $params[3] : null;
+
 					$notification->setRichSubject(
 						$l->t('You received {share} as a remote share from {user}'),
 						[
@@ -128,7 +138,7 @@ class Notifier implements INotifier {
 								'id' => $notification->getObjectId(),
 								'name' => $params[2],
 							],
-							'user' => $this->createRemoteUser($params[0]),
+							'user' => $this->createRemoteUser($owner, $ownerDisplay),
 						]
 					);
 				}
@@ -164,15 +174,17 @@ class Notifier implements INotifier {
 	 * @param string $cloudId
 	 * @return array
 	 */
-	protected function createRemoteUser($cloudId) {
-		$displayName = $cloudId;
+	protected function createRemoteUser($cloudId, $displayName = null) {
 		try {
 			$resolvedId = $this->cloudIdManager->resolveCloudId($cloudId);
-			$displayName = $this->getDisplayName($resolvedId);
+			if ($displayName === null) {
+				$displayName = $this->getDisplayName($resolvedId);
+			}
 			$user = $resolvedId->getUser();
 			$server = $resolvedId->getRemote();
 		} catch (HintException $e) {
 			$user = $cloudId;
+			$displayName = $cloudId;
 			$server = '';
 		}
 

apps/federatedfilesharing/lib/ocm/CloudFederationProviderFiles.php

@@ -245,7 +245,7 @@ class CloudFederationProviderFiles implements ICloudFederationProvider {
 						->setAffectedUser($shareWith)
 						->setObject('remote_share', (int)$shareId, $name);
 					\OC::$server->getActivityManager()->publish($event);
-					$this->notifyAboutNewShare($shareWith, $shareId, $ownerFederatedId, $sharedByFederatedId, $name);
+					$this->notifyAboutNewShare($shareWith, $shareId, $ownerFederatedId, $sharedByFederatedId, $name, $sharedBy, $owner);
 				} else {
 					$groupMembers = $this->groupManager->get($shareWith)->getUsers();
 					foreach ($groupMembers as $user) {
@@ -256,7 +256,7 @@ class CloudFederationProviderFiles implements ICloudFederationProvider {
 							->setAffectedUser($user->getUID())
 							->setObject('remote_share', (int)$shareId, $name);
 						\OC::$server->getActivityManager()->publish($event);
-						$this->notifyAboutNewShare($user->getUID(), $shareId, $ownerFederatedId, $sharedByFederatedId, $name);
+						$this->notifyAboutNewShare($user->getUID(), $shareId, $ownerFederatedId, $sharedByFederatedId, $name, $sharedBy, $owner);
 					}
 				}
 				return $shareId;
@@ -333,13 +333,13 @@ class CloudFederationProviderFiles implements ICloudFederationProvider {
 	 * @param $sharedByFederatedId
 	 * @param $name
 	 */
-	private function notifyAboutNewShare($shareWith, $shareId, $ownerFederatedId, $sharedByFederatedId, $name) {
+	private function notifyAboutNewShare($shareWith, $shareId, $ownerFederatedId, $sharedByFederatedId, $name, $sharedBy, $owner) {
 		$notification = $this->notificationManager->createNotification();
 		$notification->setApp('files_sharing')
 			->setUser($shareWith)
 			->setDateTime(new \DateTime())
 			->setObject('remote_share', $shareId)
-			->setSubject('remote_share', [$ownerFederatedId, $sharedByFederatedId, trim($name, '/')]);
+			->setSubject('remote_share', [$ownerFederatedId, $sharedByFederatedId, trim($name, '/'), $sharedBy, $owner]);
 
 		$declineAction = $notification->createAction();
 		$declineAction->setLabel('decline')