silence unread workaholics - gmail API

workaholics.gs

// https://stackoverflow.com/a/63964522
// requires Gmail API
const getLabelMap = () => {
  const allLabels = Gmail.Users.Labels.list('me')
  const labelMap = allLabels.labels.reduce((acc, label) => {
    acc[label.name] = label.id
    return acc
  }, {})
  return labelMap
}
const labelMap = getLabelMap()
const labelMessage = (messageID, labels = []) => {
  const labelIds = labels.map(name => labelMap[name])
  return Gmail.Users.Messages.modify({ addLabelIds: labelIds }, 'me', messageID)
}

// get after hours workaholic
const workaholic = d => {
  const hour = d.getHours()
  const min = d.getMinutes()
  const day = d.getDay()
  const weekend = /^6|7$/.test(day)
  const beforeStartTime = hour == 7 && min < 30
  const closed = hour <= 6 || hour >= 16   
  return weekend || closed || beforeStartTime
}

// silence the noise
const silenceUnreadWorkaholics = () => {
  const threads = GmailApp.search('is:unread', 0, 100)
  const messages = threads
    .map(thread => thread.getMessages())
    .flat()
    .filter(message => message.isUnread())
  
  // identify the stress
  const stressMessageIds = messages.reduce((acc,message) => {
    const timestamp = message.getDate()
    if (workaholic(timestamp)) {
      acc = [...acc, message]
    }
    return acc
  }, [])
  
  // silence the stress
  return stressMessageIds.forEach(message => {
    try {
      labelMessage(message.getId(), ['After Hours', 'Marked as Read'])
      return message.markRead()
    } catch(error) {
      return console.log(error)
    }
  })
}