From 20de087441903780b4f27c6ab301a0454922e7f7 Mon Sep 17 00:00:00 2001
From: Matthew Chen <matthew@signal.org>
Date: Wed, 19 Sep 2018 12:14:15 -0400
Subject: [PATCH] Repair corrupt thread view.

---
 Signal/src/ViewControllers/HomeView/HomeViewController.m | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Signal/src/ViewControllers/HomeView/HomeViewController.m b/Signal/src/ViewControllers/HomeView/HomeViewController.m
index 4683a901b..cadb5dcb2 100644
--- a/Signal/src/ViewControllers/HomeView/HomeViewController.m
+++ b/Signal/src/ViewControllers/HomeView/HomeViewController.m
@@ -880,6 +880,13 @@ NSString *const kArchivedConversationsReuseIdentifier = @"kArchivedConversations
                                                                                  withMappings:self.threadMappings];
     }];
 
+    static BOOL hasIncrementedDatabaseView = NO;
+    if (![thread isKindOfClass:[TSThread class]] && !hasIncrementedDatabaseView) {
+        OWSLogError(@"Invalid object in thread view: %@", [thread class]);
+        [OWSStorage incrementVersionOfDatabaseExtension:TSThreadDatabaseViewExtensionName];
+        hasIncrementedDatabaseView = YES;
+    }
+
     return thread;
 }