2 files changed, 21 insertions, 1 deletions
diff --git a/juick-server/src/main/java/com/juick/server/ServerManager.java b/juick-server/src/main/java/com/juick/server/ServerManager.java
index c3df33cb..f5ca82f1 100644
--- a/juick-server/src/main/java/com/juick/server/ServerManager.java
+++ b/juick-server/src/main/java/com/juick/server/ServerManager.java
@@ -168,7 +168,7 @@ public class ServerManager implements NotificationListener {
             Message op = messagesService.getMessage(jmsg.getMid());
             com.juick.Message reply = messagesService.getReply(jmsg.getMid(), jmsg.getRid());
             subscriptionService.getUsersSubscribedToComments(op, reply, true).stream()
-                    .filter(u -> userService.isInBLAny(reply.getUser().getUid(), u.getUid()))
+                    .filter(u -> userService.isReplyToBL(u, reply))
                     .forEach(b -> messagesService.setLastReadComment(b, reply.getMid(), reply.getRid()));
             onJuickMessageReply(reply, subscribedUsers);
         }
diff --git a/juick-server/src/main/java/com/juick/service/UserServiceImpl.java b/juick-server/src/main/java/com/juick/service/UserServiceImpl.java
index a0a07fb3..eca0c264 100644
--- a/juick-server/src/main/java/com/juick/service/UserServiceImpl.java
+++ b/juick-server/src/main/java/com/juick/service/UserServiceImpl.java
@@ -17,6 +17,7 @@
 
 package com.juick.service;
 
+import com.juick.Message;
 import com.juick.User;
 import com.juick.server.helpers.AnonymousUser;
 import com.juick.server.helpers.Auth;
@@ -451,6 +452,25 @@ public class UserServiceImpl extends BaseJdbcService implements UserService {
 
     @Transactional(readOnly = true)
     @Override
+    public boolean isReplyToBL(final User user, final Message reply) {
+        return getNamedParameterJdbcTemplate().queryForObject("WITH RECURSIVE banned(reply_id, user_id) AS (" +
+                        "SELECT reply_id, user_id FROM replies " +
+                        "WHERE replies.message_id = :mid " +
+                        "AND EXISTS (SELECT 1 FROM bl_users b WHERE b.user_id = :uid AND b.bl_user_id = replies.user_id) " +
+                        "UNION ALL SELECT replies.reply_id, replies.user_id FROM replies " +
+                        "INNER JOIN banned ON banned.reply_id = replies.replyto ) " +
+                        "SELECT COUNT(reply_id) from replies " +
+                        "WHERE replies.message_id = :mid " +
+                        "AND replies.reply_id = :rid " +
+                        "AND EXISTS (SELECT 1 FROM banned WHERE banned.reply_id = replies.reply_id) ",
+                new MapSqlParameterSource("uid", user.getUid())
+                        .addValue("mid", reply.getMid())
+                        .addValue("rid", reply.getRid()),
+                Integer.class) > 0;
+    }
+
+    @Transactional(readOnly = true)
+    @Override
     public List<Integer> checkBL(final int visitor, final Collection<Integer> uids) {
         if (CollectionUtils.isEmpty(uids))
             return Collections.emptyList();