From d653184aa942be9dd6bf3d953c751b2fec13b39e Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Mon, 17 Sep 2018 05:22:17 +0000
Subject: [PATCH] Skip unnecessary seen operations

---
 app/src/main/java/eu/faircode/email/ServiceSynchronize.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/ServiceSynchronize.java b/app/src/main/java/eu/faircode/email/ServiceSynchronize.java
index c2b519db..f7559d03 100644
--- a/app/src/main/java/eu/faircode/email/ServiceSynchronize.java
+++ b/app/src/main/java/eu/faircode/email/ServiceSynchronize.java
@@ -997,6 +997,9 @@ public class ServiceSynchronize extends LifecycleService {
     private void doSeen(EntityFolder folder, IMAPFolder ifolder, EntityMessage message, JSONArray jargs, DB db) throws MessagingException, JSONException {
         // Mark message (un)seen
         boolean seen = jargs.getBoolean(0);
+        if (message.seen == seen)
+            return;
+
         Message imessage = ifolder.getMessageByUID(message.uid);
         if (imessage == null)
             throw new MessageRemovedException();