From f6f08891ebc2931ae2459ea140d8fa1dfebb7eaf Mon Sep 17 00:00:00 2001
From: Matthew Chen <charlesmchen@gmail.com>
Date: Mon, 19 Jun 2017 14:05:59 -0400
Subject: [PATCH] Avoid stale mapping in conversation view.

// FREEBIE
---
 .../ViewControllers/ConversationView/MessagesViewController.m   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Signal/src/ViewControllers/ConversationView/MessagesViewController.m b/Signal/src/ViewControllers/ConversationView/MessagesViewController.m
index 26fdd6372..d9c226404 100644
--- a/Signal/src/ViewControllers/ConversationView/MessagesViewController.m
+++ b/Signal/src/ViewControllers/ConversationView/MessagesViewController.m
@@ -2698,6 +2698,8 @@ typedef enum : NSUInteger {
     const int currentMaxRangeSize = (int)(self.page + 1) * kYapDatabasePageSize;
     const int maxRangeSize = MAX(initialMaxRangeSize, currentMaxRangeSize);
 
+    // `ensureDynamicInteractionsForThread` should operate on the latest thread contents, so
+    // we should _read_ from uiDatabaseConnection and _write_ to `editingDatabaseConnection`.
     self.dynamicInteractions =
         [ThreadUtil ensureDynamicInteractionsForThread:self.thread
                                        contactsManager:self.contactsManager