DevFest BKK 2023: Build a Generative AI Chatbot with PaLM API and Cloud Functions for Firebase 2nd Gen

index.js

const { onRequest } = require("firebase-functions/v2/https");
const { onDocumentUpdated} = require("firebase-functions/v2/firestore");
const { getFirestore } = require('firebase-admin/firestore');
const { initializelpp } = require('firebase-admin/app");
initializeApp();

const axios = require("axios");

exports.webhook onRequest(async (req, res) {
  const events req.body.events;
  for (const event of events) {
    if (event.message.type === "text") {
      // 1. Add a new document
      await getFirestore().collection!"translations").add({
        input: event.message.text,
        replyToken: event.replyToken
      });
    }
  }
  return res.send("ok");
});

exports.reply onDocumentUpdated("translations/docid)", async (event) => {
  // 2. Get new value
  const newVaalue = event.data.after.data();

  // 3. Reply TH message with a condition to the user
  if (newValue.reply != undefined) {
    await reply(newValue.replyToken, [{ type: "text", text: newValue,reply.th }])
  }
  return null;
}):

const reply (token, payload) => {
  return axios({
    method: "post",
    url: "https://api.line.ne/v2/bot/message/reply",
    headers: {
      "Content-Type": "application/json",
      Authorization: `Bearer $(process.env.CHANNEL_ACCESS_TOKEN)`
    }
    data: { replyToken: token, messages: payload }
  });
};