From 74378a88abe663d10ed55d5cb8a1b921cf13d098 Mon Sep 17 00:00:00 2001
From: Ryan ZHAO <ryanzhaors@qq.com>
Date: Thu, 3 Sep 2020 13:14:26 +1000
Subject: [PATCH] fix duplicated sent messages in open groups

---
 src/org/thoughtcrime/securesms/loki/api/PublicChatPoller.kt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/org/thoughtcrime/securesms/loki/api/PublicChatPoller.kt b/src/org/thoughtcrime/securesms/loki/api/PublicChatPoller.kt
index 80b52c533e..443cc84a59 100644
--- a/src/org/thoughtcrime/securesms/loki/api/PublicChatPoller.kt
+++ b/src/org/thoughtcrime/securesms/loki/api/PublicChatPoller.kt
@@ -186,6 +186,12 @@ class PublicChatPoller(private val context: Context, private val group: PublicCh
         }
         fun processOutgoingMessage(message: PublicChatMessage) {
             val messageServerID = message.serverID ?: return
+            val messageID = DatabaseFactory.getLokiMessageDatabase(context).getMessageID(messageServerID)
+            var isDuplicate = false
+            if (messageID != null) {
+                isDuplicate = DatabaseFactory.getMmsDatabase(context).getThreadIdForMessage(messageID) > 0 || DatabaseFactory.getSmsDatabase(context).getThreadIdForMessage(messageID) > 0
+            }
+            if (isDuplicate) { return }
             if (message.body.isEmpty() && message.attachments.isEmpty() && message.quote == null) { return }
             val userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(context)
             val dataMessage = getDataMessage(message)