mute notification when pc online settings

broker/src/main/java/io/moquette/persistence/DatabaseStore.java

@@ -1051,6 +1051,10 @@ public class DatabaseStore {
 
                 out.add(builder.build());
             }
+            if (out.isEmpty()) {
+                WFCMessage.UserSettingEntry.Builder builder = WFCMessage.UserSettingEntry.newBuilder().setScope(999).setKey("").setValue("").setUpdateDt(0);
+                out.add(builder.build());
+            }
             return out;
         } catch (SQLException e) {
             // TODO Auto-generated catch block

broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java

@@ -2743,6 +2743,16 @@ public class MemoryMessagesStore implements IMessagesStore {
         return slient;
     }
 
+    @Override
+    public boolean getSilentWhenPcOnline(String userId) {
+        WFCMessage.UserSettingEntry entry = getUserSetting(userId, UserSettingScope.kUserSettingMuteWhenPCOnline, null);
+        if (entry == null || !entry.getValue().equals("0")) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+
     @Override
     public ErrorCode createChannel(String operator, WFCMessage.ChannelInfo channelInfo) {
         HazelcastInstance hzInstance = m_Server.getHazelcastInstance();