From 2708a7ce269ddebb675fccb1fc491fbcda0f553b Mon Sep 17 00:00:00 2001
From: Matthew Chen <matthew@signal.org>
Date: Mon, 23 Nov 2020 13:56:26 -0300
Subject: [PATCH] Don't show group migration banners if user is not a full
 member.

---
 .../ConversationViewController+Banners.swift               | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Signal/src/ViewControllers/ConversationView/ConversationViewController+Banners.swift b/Signal/src/ViewControllers/ConversationView/ConversationViewController+Banners.swift
index 24dcb28720..f34c1f2ff7 100644
--- a/Signal/src/ViewControllers/ConversationView/ConversationViewController+Banners.swift
+++ b/Signal/src/ViewControllers/ConversationView/ConversationViewController+Banners.swift
@@ -76,6 +76,9 @@ public extension ConversationViewController {
             groupThread.isGroupV1Thread else {
                 return nil
         }
+        guard groupThread.isLocalUserFullMember else {
+            return nil
+        }
 
         // migrationInfoForManualMigrationWithGroupThread uses
         // a transaction, so we try to avoid calling it.
@@ -142,6 +145,10 @@ fileprivate extension ConversationViewController {
         guard let groupModel = groupThread.groupModel as? TSGroupModelV2 else {
             return nil
         }
+        guard groupThread.isLocalUserFullMember else {
+            return nil
+        }
+
         var addableMembers = Set<SignalServiceAddress>()
         Self.databaseStorage.read { transaction in
             for address in groupModel.droppedMembers {