From bfe4f3ba36ee6393a1e0006e9749258a094d08fb Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Thu, 19 Aug 2021 16:00:50 +0200
Subject: [PATCH] Fix race condition when downloading sheets

---
 www/common/onlyoffice/history.js | 2 +-
 www/common/onlyoffice/inner.js   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/www/common/onlyoffice/history.js b/www/common/onlyoffice/history.js
index b8ae4b77d..c0126023c 100644
--- a/www/common/onlyoffice/history.js
+++ b/www/common/onlyoffice/history.js
@@ -119,7 +119,7 @@ define([
 
                 // The first "cp" in history is the empty doc. It doesn't include the first patch
                 // of the history
-                var initialCp = cpIndex === sortedCp.length;
+                var initialCp = cpIndex === sortedCp.length || !cp.hash;
 
                 var messages = (data.messages || []).slice(initialCp ? 0 : 1);
 
diff --git a/www/common/onlyoffice/inner.js b/www/common/onlyoffice/inner.js
index c5adfa928..f1c10261d 100644
--- a/www/common/onlyoffice/inner.js
+++ b/www/common/onlyoffice/inner.js
@@ -726,7 +726,7 @@ define([
 
                 // The first "cp" in history is the empty doc. It doesn't include the first patch
                 // of the history
-                var initialCp = major === 0;
+                var initialCp = major === 0 || !cp.hash;
                 var messages = (data.messages || []).slice(initialCp ? 0 : 1, minor);
 
                 messages.forEach(function (obj) {
@@ -1719,11 +1719,11 @@ define([
                                 // store media blobUrl and content for cache and export
                                 var mediaData = { blobUrl : blobUrl, content : "" };
                                 mediasData[data.src] = mediaData;
-                                downloadImages[name].fire();
                                 var reader = new FileReader();
                                 reader.onloadend = function () {
                                     debug("MediaData set");
                                     mediaData.content = reader.result;
+                                    downloadImages[name].fire();
                                 };
                                 reader.readAsArrayBuffer(res.content);
                                 debug("Adding CryptPad Image " + data.name + ": " +  blobUrl);