class ModifyGroupInfoHandler extends GroupHandler<WFCMessage.ModifyGroupInfoRequest> {
    @Override
    public ErrorCode action(ByteBuf ackPayload, String clientID, String fromUser, ProtoConstants.RequestSourceType requestSourceType, WFCMessage.ModifyGroupInfoRequest request, Qos1PublishHandler.IMCallback callback) {<FILL_FUNCTION_BODY>}
}

        boolean isAdmin = requestSourceType == ProtoConstants.RequestSourceType.Request_From_Admin;
        if(request.hasNotifyContent() && request.getNotifyContent().getType() > 0 && requestSourceType == ProtoConstants.RequestSourceType.Request_From_User && !m_messagesStore.isAllowClientCustomGroupNotification()) {
            return ErrorCode.ERROR_CODE_NOT_RIGHT;
        }
        if(request.hasNotifyContent() && request.getNotifyContent().getType() > 0 && requestSourceType == ProtoConstants.RequestSourceType.Request_From_Robot && !m_messagesStore.isAllowRobotCustomGroupNotification()) {
            return ErrorCode.ERROR_CODE_NOT_RIGHT;
        }

        if(requestSourceType == ProtoConstants.RequestSourceType.Request_From_User) {
            int forbiddenClientOperation = m_messagesStore.getGroupForbiddenClientOperation();
            if(request.getType() == Modify_Group_Mute) {
                if((forbiddenClientOperation & ProtoConstants.ForbiddenClientGroupOperationMask.Forbidden_Mute_Group) > 0) {
                    return ErrorCode.ERROR_CODE_NOT_RIGHT;
                }
            } else {
                if((forbiddenClientOperation & ProtoConstants.ForbiddenClientGroupOperationMask.Forbidden_Modify_Group_Info) > 0) {
                    return ErrorCode.ERROR_CODE_NOT_RIGHT;
                }
            }
        }

        ErrorCode errorCode= m_messagesStore.modifyGroupInfo(fromUser, request.getGroupId(), request.getType(), request.getValue(), isAdmin);
        if (errorCode == ERROR_CODE_SUCCESS) {
            if(request.hasNotifyContent() && request.getNotifyContent().getType() > 0) {
                sendGroupNotification(fromUser, request.getGroupId(), request.getToLineList(), request.getNotifyContent());
            } else {
                WFCMessage.MessageContent content = null;
                if (request.getType() == Modify_Group_Name) {
                    content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, request.getValue(), "").getChangeGroupNameNotifyContent();
                } else if(request.getType() == Modify_Group_Portrait) {
                    content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, request.getValue(), "").getChangeGroupPortraitNotifyContent();
                } else if(request.getType() == Modify_Group_Mute) {
                    content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, request.getValue(), "").getChangeGroupMuteNotifyContent();
                } else if(request.getType() == Modify_Group_JoinType) {
                    content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, request.getValue(), "").getChangeGroupJointypeNotifyContent();
                } else if(request.getType() == Modify_Group_PrivateChat) {
                    content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, request.getValue(), "").getChangeGroupPrivatechatNotifyContent();
                } else if(request.getType() == Modify_Group_Searchable) {
                    content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, request.getValue(), "").getChangeGroupSearchableNotifyContent();
                } else if(request.getType() == Modify_Group_Extra) {
                    content = new GroupNotificationBinaryContent(request.getGroupId(), fromUser, request.getValue(), "").getChangeGroupExtraNotifyContent();
                }

                if (content != null) {
                    sendGroupNotification(fromUser, request.getGroupId(), request.getToLineList(), content);
                }
            }
        }
        return errorCode;
    
<methods>public non-sealed void <init>() <variables>