mtfosbot/libs/line-message/index.js

const commands = require('./commands')
const DB = require('@libs/database')
const api = require('@libs/api-action')

/**
 * parse text message object
 * @param {object} evt line message event object
 */
const textMessage = async (evt) => {
  let {replyToken, source, message, type} = evt
  if (type === 'leave' && 'groupId' in source && 'type' in source && source.type === 'group') {
    await leaveGroup(source.groupId)
    return
  }
  if (!source || !('type' in source) || source.type !== 'group') return
  if (!message || message.type !== 'text') return
  let {text} = message
  if (typeof text !== 'string') return
  text = text.trim()
  if (text.length === 0) return

  let result = await commands(text, source)
  if (result === null) return
  if (typeof result === 'object' && 'reply' in result) {
    console.log('reply message :::: ', result.reply)
    await api.line.replyMessage(replyToken, result.reply)
  }
}

const leaveGroup = async (group = '') => {

}

module.exports = {
  textMessage
}