channelDoctor/convoEx1 at master · Chamara-g/channelDoctor · GitHub

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const _ = require('lodash')

module.exports = function(bp) {

  bp.middlewares.load()

  const utterances = {
    good: /good|great|fine|ok|excellent|fantastic/i,
    bad: /bad|sad|not good|not great|bof/i,
    stop: /stop|cancel|abort/i
  }

  const variants = {
    feeling_good: () => _.sample(['Glad to hear that!', 'Fantastic!', 'Yay!']),
    feeling_bad: () => _.sample(['So sorry to hear that', ':('])
  }

  bp.hear(utterances.stop, (event, next) => {
    const convo = bp.convo.find(event)
    convo && convo.stop('aborted')
  })

  bp.hear(/hello/i, (event, next) => {

    const txt = txt => bp.messenger.createText(event.user.id, txt)

    bp.convo.start(event, convo => {

      convo.threads['default'].addMessage(txt('Hello! This is an example of conversation'))
      convo.threads['default'].addQuestion(txt('How are you?'), [
        {
          pattern: utterances.good,
          callback: () => {
            convo.set('feeling', 'good')
            convo.say(txt(variants.feeling_good()))
            convo.switchTo('age')
          }
        },
        {
          pattern: utterances.bad,
          callback: () => {
            convo.set('feeling', 'bad')
            convo.say(txt(variants.feeling_bad()))
            convo.say(txt('Anyway..!'))
            convo.switchTo('age')
          }
        },
        {
          default: true,
          callback: () => {
            // Example of sending a custom message other than text
            const imageMessage = bp.messenger.createAttachment(event.user.id, 'image', 'https://s3.amazonaws.com/botpress-io/images/grey_bg_primary.png')
            convo.say(imageMessage)

            // Order of messages are preserved, i.e. this message will show up after the image has been sent
            convo.say(txt('Sorry I dont understand'))

            // Repeats the last question / message
            convo.repeat()
          }
        }
      ])

      convo.createThread('age')
      convo.threads['age'].addQuestion(txt('What is your age sir?'), [
        {
          pattern: /(\d+)/i,
          callback: (response) => { // Using the response event
            convo.set('age', response.match) // Captured group is stored in event
            convo.say(txt('Got your age. ' + response.match + ' is pretty old!'))
            convo.next()
          }
        },
        {
          default: true,
          callback: () => {
            convo.say(txt('Hrm.. Im expecting a number!'))
            convo.repeat()
          }
        }
      ])

      convo.on('done', () => {
        convo.say(txt(`So... you are feeling ${convo.get('feeling')} and you are ${convo.get('age')} years old.`))
        convo.say(txt('This conversation is over now.'))
      })

      convo.on('aborted', () => {
        convo.say(txt('You aborted this conversation. Bye!'))
      })

    })

  })
}