https://github.com/masayukinagayama/imananishiton custom

imananishiton.gs

function myFunction() {
  var email = 'xxxxx'
  var token = 'xxxxx'
  var inEventEmoji = ':date:'
  var noEventEmoji = ':globe_with_meridians:'
  var notWorking = ':house:'
  var ima = new Imananishiton(email, token, inEventEmoji, noEventEmoji, notWorking)
  ima.nanishiton()
}

var Imananishiton = function(email, token, inEventEmoji, noEventEmoji, notWorking) {
    this.email = email
    this.token = token
    this.inEventEmoji = inEventEmoji
    this.noEventEmoji = noEventEmoji
    this.notWorking = notWorking
}

Imananishiton.prototype = {
  nanishiton: function() {
    var events = this.getCurrentEvents()
    var notWorks = this.getCurrentWorks()
    var message = this.createStatusMessage(events[0], notWorks)
    var emoji = this.createStatusEmoji(events[0], notWorks)
    this.changeSlackStatus(message, emoji)
  },
  getCurrentEvents: function() {
    var start = new Date()
    var end = new Date(start.getTime() + 60 * 1000)
    var calendar = CalendarApp.getCalendarById(this.email)
    return calendar.getEvents(start, end)
  },
  getCurrentWorks: function() {
    var now = new Date();
    var hour = now.getHours();
    var day = now.getDay();
    return (day < 1 || day > 5 || hour < 10 || hour > 19)
  },
  createStatusMessage: function(event, notWorks) {
    if (notWorks) {
      return 'Out of works'
    }
    if (!event || this.isPrivateEvent(event)) {
      return 'It works'
    }
    var schedule = this.getEventSchedule(event)
    var message = 'Schedule： ' + event.getTitle()
    if (event.getLocation() !== '') {
      message += ' @ ' + event.getLocation()
    }
    return message + '【' + schedule['start'] + ' ～ ' + schedule['end'] + '】'
  },
  isPrivateEvent: function(event) {
    return event.getVisibility() !== CalendarApp.Visibility.DEFAULT
  },
  getEventSchedule: function(event) {
    return {
      start: Utilities.formatDate(event.getStartTime(), 'Asia/Tokyo', 'HH:mm'),
      end: Utilities.formatDate(event.getEndTime(), 'Asia/Tokyo', 'HH:mm'),
    }
  },
  createStatusEmoji: function(event, notWorks) {
    if (notWorks) {
      return this.notWorking
    } else if (!event || this.isPrivateEvent(event)) {
      return this.noEventEmoji
    } else {
      return this.inEventEmoji
    }
  },
  changeSlackStatus: function(message, emoji) {
    var profile = {
      'status_text': message,
      'status_emoji': emoji,
    }
    UrlFetchApp.fetch("https://slack.com/api/users.profile.set?token=" + this.token + "&profile=" + encodeURIComponent(JSON.stringify(profile)))
  },
}