bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/user-list/service.js

import Users from '/imports/api/users';
import ath from '/imports/ui/services/auth';

const ROLE_MODERATOR = 'MODERATOR';
const EMOJI_STATUSES = ['raiseHand', 'happy', 'smile', 'neutral', 'sad', 'confused', 'away'];

/* TODO: Same map is done in the chat/service we should share this someway */

const mapUser = (user) => ({
  id: user.userid,
  name: user.name,
  emoji: {
    status: user.emoji_status,
    changedAt: user.set_emoji_time,
  },
  isPresenter: user.presenter,
  isModerator: user.role === ROLE_MODERATOR,
  isCurrent: user.userid === ath.getUser(),
  isVoiceUser: user.voiceUser.joined,
  isMuted: user.voiceUser.muted,
  isListenOnly: user.listenOnly,
  isSharingWebcam: user.webcam_stream.length,
  isPhoneUser: user.phone_user,
});

const sortUsersByName = (a, b) => {
  if (a.name.toLowerCase() < b.name.toLowerCase()) {
    return -1;
  } else if (a.name.toLowerCase() > b.name.toLowerCase()) {
    return 1;
  } else if (a.id.toLowerCase() > b.id.toLowerCase()) {
    return -1;
  } else if (a.id.toLowerCase() < b.id.toLowerCase()) {
    return 1;
  }

  return 0;
};

const sortUsersByEmoji = (a, b) => {
  if ((EMOJI_STATUSES.indexOf(a.emoji.status) > -1)
    && (EMOJI_STATUSES.indexOf(b.emoji.status) > -1)) {
    if (a.emoji.changedAt < b.emoji.changedAt) {
      return -1;
    } else if (a.emoji.changedAt > b.emoji.changedAt) {
      return 1;
    }

    return sortUsersByName(a, b);
  } else if (EMOJI_STATUSES.indexOf(a.emoji.status) > -1) {
    return -1;
  } else if (EMOJI_STATUSES.indexOf(b.emoji.status) > -1) {
    return 1;
  }

  return 0;
};

const sortUsersByModerator = (a, b) => {
  if (a.isModerator && b.isModerator) {
    return sortUsersByName(a, b);
  } else if (a.isModerator) {
    return -1;
  } else if (b.isModerator) {
    return 1;
  }

  return 0;
};

const sortUsersByPhoneUser = (a, b) => {
  if (!a.isPhoneUser && !b.isPhoneUser) {
    return sortUsersByName(a, b);
  } else if (!a.isPhoneUser) {
    return -1;
  } else if (!b.isPhoneUser) {
    return 1;
  }

  return 0;
};

const sortUsers = (a, b) => {
  let sort = sortUsersByEmoji(a, b);

  if (sort === 0) {
    sort = sortUsersByModerator(a, b);
  }

  if (sort === 0) {
    sort = sortUsersByPhoneUser(a, b);
  }

  if (sort === 0) {
    sort = sortUsersByName(a, b);
  }

  return sort;
};

const getUsers = () => {
  let users = Users
  .find({}, {
    'user.set_emoji_time': 1,
    'user.role': 1,
    'user.phone_user': 1,
    'user._sort_name': 1,
    'user.userid': 1,
  })
  .fetch();

  return users
    .map(u => u.user)
    .map(mapUser)
    .sort(sortUsers);
};

export default {
  getUsers,
};