From d7a7abc11e004ff9a946987f8d05ab9f4d037a24 Mon Sep 17 00:00:00 2001
From: Ryan ZHAO <ryanzhaors@qq.com>
Date: Fri, 14 May 2021 15:38:06 +1000
Subject: [PATCH] start expiration timer after attachments downloaded

---
 .../Messages/Signal/TSIncomingMessage.m               | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/SessionMessagingKit/Messages/Signal/TSIncomingMessage.m b/SessionMessagingKit/Messages/Signal/TSIncomingMessage.m
index e452327b3..908d53f42 100644
--- a/SessionMessagingKit/Messages/Signal/TSIncomingMessage.m
+++ b/SessionMessagingKit/Messages/Signal/TSIncomingMessage.m
@@ -144,6 +144,17 @@ NS_ASSUME_NONNULL_BEGIN
         return;
     }
     
+    BOOL isAllAttachmentDownloaded = YES;
+    for (NSString *attachmentId in self.attachmentIds) {
+        TSAttachment *attachment = [TSAttachment fetchObjectWithUniqueID:attachmentId transaction:transaction];
+        isAllAttachmentDownloaded = isAllAttachmentDownloaded && attachment.isDownloaded;
+        if (!isAllAttachmentDownloaded) break;
+    }
+    
+    if (!isAllAttachmentDownloaded) {
+        return;
+    }
+    
     _read = YES;
     [self saveWithTransaction:transaction];