3 files changed, 10 insertions, 1 deletions
diff --git a/lib/private/Collaboration/Collaborators/MailPlugin.php b/lib/private/Collaboration/Collaborators/MailPlugin.php
index f912690cb72..c10793df62c 100644
--- a/lib/private/Collaboration/Collaborators/MailPlugin.php
+++ b/lib/private/Collaboration/Collaborators/MailPlugin.php
@@ -136,6 +136,8 @@ class MailPlugin implements ISearchPlugin {
 										'shareType' => Share::SHARE_TYPE_USER,
 										'shareWith' => $cloud->getUser(),
 									],
+									'shareWithDisplayNameUnique' => !empty($emailAddress) ? $emailAddress : $cloud->getUser()
+
 								]];
 								$searchResult->addResultSet($userType, [], $singleResult);
 								$searchResult->markExactIdMatch($emailType);
@@ -170,6 +172,7 @@ class MailPlugin implements ISearchPlugin {
 										'shareType' => Share::SHARE_TYPE_USER,
 										'shareWith' => $cloud->getUser(),
 									],
+									'shareWithDisplayNameUnique' => !empty($emailAddress) ? $emailAddress : $cloud->getUser()
 								];
 								continue;
 							}
diff --git a/lib/private/Collaboration/Collaborators/RemotePlugin.php b/lib/private/Collaboration/Collaborators/RemotePlugin.php
index 81e05050d2e..5ee17fb3e05 100644
--- a/lib/private/Collaboration/Collaborators/RemotePlugin.php
+++ b/lib/private/Collaboration/Collaborators/RemotePlugin.php
@@ -103,7 +103,8 @@ class RemotePlugin implements ISearchPlugin {
 							'value' => [
 								'shareType' => Share::SHARE_TYPE_USER,
 								'shareWith' => $remoteUser
-							]
+							],
+							'shareWithDisplayNameUnique' => $contact['EMAIL'] !== null && $contact['EMAIL'] !== '' ? $contact['EMAIL'] : $contact['UID'],
 						];
 					}
 
diff --git a/lib/private/Collaboration/Collaborators/UserPlugin.php b/lib/private/Collaboration/Collaborators/UserPlugin.php
index 2096ec4621e..f3c2a4019c3 100644
--- a/lib/private/Collaboration/Collaborators/UserPlugin.php
+++ b/lib/private/Collaboration/Collaborators/UserPlugin.php
@@ -126,6 +126,7 @@ class UserPlugin implements ISearchPlugin {
 						'shareType' => Share::SHARE_TYPE_USER,
 						'shareWith' => $uid,
 					],
+					'shareWithDisplayNameUnique' => !empty($userEmail) ? $userEmail : $uid,
 				];
 			} else {
 				$addToWideResults = false;
@@ -147,6 +148,7 @@ class UserPlugin implements ISearchPlugin {
 							'shareType' => IShare::TYPE_USER,
 							'shareWith' => $uid,
 						],
+						'shareWithDisplayNameUnique' => !empty($userEmail) ? $userEmail : $uid,
 					];
 				}
 			}
@@ -166,12 +168,15 @@ class UserPlugin implements ISearchPlugin {
 				}
 
 				if ($addUser) {
+					$uid = $user->getUID();
+					$userEmail = $user->getEMailAddress();
 					$result['exact'][] = [
 						'label' => $user->getDisplayName(),
 						'value' => [
 							'shareType' => Share::SHARE_TYPE_USER,
 							'shareWith' => $user->getUID(),
 						],
+						'shareWithDisplayNameUnique' => $userEmail !== null && $userEmail !== '' ? $userEmail : $uid,
 					];
 				}
 			}