1，添加设置群成员昵称api

2，配置当退群或者群踢人时，是否发送visible群通知

broker/src/main/java/io/moquette/imhandler/GroupHandler.java

@@ -13,10 +13,15 @@ import cn.wildfirechat.proto.WFCMessage;
 import win.liyufan.im.MessageShardingUtil;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 
 abstract public class GroupHandler<T> extends IMHandler<T> {
     protected void sendGroupNotification(String fromUser, String targetId, List<Integer> lines, WFCMessage.MessageContent content) {
+        sendGroupNotification(fromUser, targetId, lines, content, null);
+    }
+
+    protected void sendGroupNotification(String fromUser, String targetId, List<Integer> lines, WFCMessage.MessageContent content, Collection<String> toUsers) {
         if (lines == null) {
             lines = new ArrayList<>();
         } else {
@@ -32,6 +37,9 @@ abstract public class GroupHandler<T> extends IMHandler<T> {
             WFCMessage.Message.Builder builder = WFCMessage.Message.newBuilder().setContent(content).setServerTimestamp(timestamp);
             builder.setConversation(builder.getConversationBuilder().setType(ProtoConstants.ConversationType.ConversationType_Group).setTarget(targetId).setLine(line));
             builder.setFromUser(fromUser);
+            if(toUsers != null && !toUsers.isEmpty()) {
+                builder.addAllTo(toUsers);
+            }
             try {
                 long messageId = MessageShardingUtil.generateId();
                 builder.setMessageId(messageId);

broker/src/main/java/io/moquette/imhandler/KickoffGroupMember.java

@@ -14,6 +14,9 @@ import cn.wildfirechat.pojos.GroupNotificationBinaryContent;
 import io.moquette.spi.impl.Qos1PublishHandler;
 import io.netty.buffer.ByteBuf;
 import cn.wildfirechat.common.ErrorCode;
+
+import java.util.Set;
+
 import static win.liyufan.im.IMTopic.KickoffGroupMemberTopic;
 
 @Handler(value = KickoffGroupMemberTopic)
@@ -58,6 +61,13 @@ public class KickoffGroupMember extends GroupHandler<WFCMessage.RemoveGroupMembe
                     WFCMessage.MessageContent content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, null, request.getRemovedMemberList()).getKickokfMemberGroupNotifyContent();
                     sendGroupNotification(fromUser, request.getGroupId(), request.getToLineList(), content);
                 }
+
+                if((m_messagesStore.getVisibleQuitKickoffNotification() & 0x02) > 0) {
+                    Set<String> toUsers = m_messagesStore.getGroupManagers(request.getGroupId(), true);
+                    toUsers.addAll(request.getRemovedMemberList());
+                    WFCMessage.MessageContent content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, null, request.getRemovedMemberList()).getKickokfMemberVisibleGroupNotifyContent();
+                    sendGroupNotification(fromUser, request.getGroupId(), request.getToLineList(), content, toUsers);
+                }
                 errorCode = m_messagesStore.kickoffGroupMembers(fromUser, isAdmin, request.getGroupId(), request.getRemovedMemberList());
             }
         }

broker/src/main/java/io/moquette/imhandler/QuitGroupHandler.java

@@ -14,6 +14,8 @@ import io.moquette.spi.impl.Qos1PublishHandler;
 import io.netty.buffer.ByteBuf;
 import cn.wildfirechat.common.ErrorCode;
 
+import java.util.Set;
+
 import static win.liyufan.im.IMTopic.QuitGroupTopic;
 
 @Handler(value = QuitGroupTopic)
@@ -32,6 +34,12 @@ public class QuitGroupHandler extends GroupHandler<WFCMessage.QuitGroupRequest>
                 WFCMessage.MessageContent content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, null, "").getQuitGroupNotifyContent();
                 sendGroupNotification(fromUser, request.getGroupId(), request.getToLineList(), content);
             }
+
+            if((m_messagesStore.getVisibleQuitKickoffNotification() & 0x01) > 0) {
+                Set<String> toUsers = m_messagesStore.getGroupManagers(request.getGroupId(), true);
+                WFCMessage.MessageContent content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, null, "").getQuitVisibleGroupNotifyContent();
+                sendGroupNotification(fromUser, request.getGroupId(), request.getToLineList(), content, toUsers);
+            }
         }
         return errorCode;
     }