trello_line_webhook_boardlist.ts

export const webhookLINE = functions.region(REGION).https.onRequest( async(req, res) => {
  console.log('🚀 Start Webhook!!', JSON.stringify(req.body) )
  if(!req.body.events) { res.status(200).end()}

  const event = req.body.events[0]
  if(typeof(event) === 'undefined') { res.status(200).end()}

  try {
    await util_line.verify_signature(req, res)
    let replyMessage: any = null

    switch (event.type) {
      
      case 'message':
        if (event.message.type === 'text') {
          const message = event.message.text
          if(message.toLowerCase() === 'trello') {
            replyMessage = await getBoardPayload()
          }

          if(replyMessage) {
            await util_line.reply(event.replyToken, replyMessage)
          }
        }
        break
  
      case 'postback':
        break 
      
      default:
    }
  } catch (err) {
    console.error(err)
    res.status(500).end()
  }
  res.status(200)

})

const getBoardPayload = async() => {
  const data = await firestore.collection('board').orderBy('changeTime', 'desc').limit(13).get()
  if (!data.empty) {
      const payloadBoardList = data.docs.map( (doc:any) => {
        const {id, name, changeTime} = doc.data()
        return msgTrello.boardItem(id, name, formatTime(changeTime))
      })
      return msgTrello.boardMain(payloadBoardList)
      
  } else {
    return msgTrello.boardEmpty()
  }
}