From 778846987aeda09f444e076fccad3b5a842316d5 Mon Sep 17 00:00:00 2001
From: Ferran Recio <ferran@moodle.com>
Date: Thu, 21 May 2020 15:26:52 +0200
Subject: [PATCH] MDL-67700 message: prevent async loading conversation message
 mix

---
 .../message_drawer_view_conversation.min.js   | Bin 21373 -> 21460 bytes
 ...essage_drawer_view_conversation.min.js.map | Bin 144737 -> 145502 bytes
 .../src/message_drawer_view_conversation.js   |  12 ++++++++++++
 3 files changed, 12 insertions(+)

diff --git a/message/amd/build/message_drawer_view_conversation.min.js b/message/amd/build/message_drawer_view_conversation.min.js
index 446a342b8bb0fa1d9eed1bbf47cc3d957e59526c..53c1f623fcb752123e52990e93ec9a7e8f48f120 100644
GIT binary patch
delta 72
zcmeynjPc5H#ti{NrkN><wi$YvDVo)(dbz2^#fj;u#kSG0)|qJ<sX$?c%shoM&FYlY
YoYaz3g|cXnSZwWNLt)v?-a<x>0Lx|>QUCw|

delta 14
Wcmcbzobm56#ti{No0kjeIsyPRnFb92

diff --git a/message/amd/build/message_drawer_view_conversation.min.js.map b/message/amd/build/message_drawer_view_conversation.min.js.map
index bf01ac7170e3642b7c85c92e0fa654c5090e522d..dac3fc92edd90510640fb6e34aa74a29aa579537 100644
GIT binary patch
delta 1346
zcmZ9~UuYaf90zb_FV!96pV%Ws(n43!Lb#)Qm%H3;w2|)ZUH)i8QiBx}{Bun<w|lpD
zyV;$+e_%v>@S!n823f^o+BA)QlHf>%76n^SsuZG6%|i<neX(K{pM0s#{w^>2GTi6)
zoB7U<*}MI#c<T>w>o-j;)N=7rRUKF3nyOBOizbi63#vL5F2%AImZqU@YGEmr3lR%f
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z(X}vS*3~`VB8ScSSAzEr^K*%S53set2XH<?2ZA%Re6poD+8+k?z0=c=zUb)}jz9P>
D$e*x}

delta 892
zcmXZZOH30{6b9hT6vDlUxIszmLKhl|4skktH)=vV6hS~B5;Q?YB`|%^(&<c}5nU1^
zh3Lf)jYb3?abt)_MPcDW7Xm&vDlANVE{qFw=LVdf>E<TiJ%7&JIp^~#`SOd*{FWaC
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xDvC(s2_KddG^+%QPp~PhZDk*?N1(7W)HYF9&XrA^*v(Z8uL<1jn!umj@E?5VCj$Tg

diff --git a/message/amd/src/message_drawer_view_conversation.js b/message/amd/src/message_drawer_view_conversation.js
index 31ccbaea49a..03854ff9bc2 100644
--- a/message/amd/src/message_drawer_view_conversation.js
+++ b/message/amd/src/message_drawer_view_conversation.js
@@ -506,6 +506,18 @@ function(
                 newestFirst,
                 timeFrom
             )
+            .then(function(result) {
+                // Prevent older requests from contaminating the current view.
+                if (result.id != viewState.id) {
+                    result.messages = [];
+                    // Purge old conversation cache to prevent messages lose.
+                    if (result.id in stateCache) {
+                        delete stateCache[result.id];
+                    }
+                }
+
+                return result;
+            })
             .then(function(result) {
                 if (result.messages.length && ignoreList.length) {
                     result.messages = result.messages.filter(function(message) {
-- 
2.43.0