bigbluebutton-Github/bigbluebutton-html5/imports/api/group-chat-msg/server/modifiers/clearGroupChatMsg.js

import { GroupChatMsg } from '/imports/api/group-chat-msg';
import Logger from '/imports/startup/server/logger';
import addGroupChatMsg from '/imports/api/group-chat-msg/server/modifiers/addGroupChatMsg';

export default function clearGroupChatMsg(meetingId, chatId) {
  const CHAT_CONFIG = Meteor.settings.public.chat;
  const PUBLIC_CHAT_SYSTEM_ID = CHAT_CONFIG.system_userid;
  const PUBLIC_GROUP_CHAT_ID = CHAT_CONFIG.public_group_id;
  const CHAT_CLEAR_MESSAGE = CHAT_CONFIG.system_messages_keys.chat_clear;

  if (chatId) {
    GroupChatMsg.remove({ meetingId, chatId }, () => {
      Logger.info(`Cleared GroupChatMsg (${meetingId}, ${chatId})`);
      const clearMsg = {
        color: '0',
        timestamp: Date.now(),
        correlationId: `${PUBLIC_CHAT_SYSTEM_ID}-${Date.now()}`,
        sender: {
          id: PUBLIC_CHAT_SYSTEM_ID,
          name: '',
        },
        message: CHAT_CLEAR_MESSAGE,
      };
      addGroupChatMsg(meetingId, PUBLIC_GROUP_CHAT_ID, clearMsg);
    });
    return true;
  }

  if (meetingId) {
    return GroupChatMsg.remove({ meetingId }, () => {
      Logger.info(`Cleared GroupChatMsg (${meetingId})`);
    });
  }

  return GroupChatMsg.remove({ chatId: { $eq: PUBLIC_GROUP_CHAT_ID } }, () => {
    Logger.info('Cleared GroupChatMsg (all)');
  });
}