Check contact timestamps in lookup_chat_or_create_adhoc_group

Author: link2xt

src/receive_imf.rs

@@ -1899,10 +1899,12 @@ async fn lookup_chat_or_create_adhoc_group(
                 FROM chats c INNER JOIN msgs m ON c.id=m.chat_id
                 WHERE m.hidden=0 AND c.grpid='' AND c.name=?
                 AND (SELECT COUNT(*) FROM chats_contacts
-                    WHERE chat_id=c.id)=?
+                     WHERE chat_id=c.id
+                     AND add_timestamp >= remove_timestamp)=?
                 AND (SELECT COUNT(*) FROM chats_contacts
-                    WHERE chat_id=c.id
-                    AND contact_id NOT IN ({}))=0
+                     WHERE chat_id=c.id
+                     AND contact_id NOT IN ({})
+                     AND add_timestamp >= remove_timestamp)=0
                 ORDER BY m.timestamp DESC",
                 sql::repeat_vars(contact_ids.len()),
             ),