dyaskur / google-chat-poll

import {chat_v1 as chatV1} from 'googleapis/build/src/apis/chat/v1';

import BaseHandler from './BaseHandler';

import {splitMessage} from '../helpers/utils';

import PollCard from '../cards/PollCard';

export default class MessageHandler extends BaseHandler {

  process(): chatV1.Schema$Message {

    const argumentText = this.event.message?.argumentText?.trim() ?? '';

    const helpResponse = {

      thread: this.event.message!.thread,

      actionResponse: {

        type: 'NEW_MESSAGE',

      },

      text: 'Hi there! I can help you create polls to enhance collaboration and efficiency ' +

        'in decision-making using Google Chat™.\n' +

        '\n' +

        'Below is an example commands:\n' +

        '`/poll` - You will need to fill out the topic and answers in the form that will be displayed.\n' +

        '`/poll "Which is the best country to visit" "Indonesia"` - to create a poll with ' +

        '"Which is the best country to visit" as the topic and "Indonesia" as the answer\n' +

        '\n' +

        'We hope you find our service useful and please don\'t hesitate to contact us ' +

        'if you have any questions or concerns.',

    };

    switch (argumentText) {

      case 'help':

        return helpResponse;

      default:

        const choices = splitMessage(argumentText);

        if (choices.length > 2) {

          const pollCard = new PollCard({

            choiceCreator: undefined,

            topic: choices.shift() ?? '',

            author: this.event.user,

            choices: choices,

            votes: {},

            anon: false,

            optionable: true,

          });

          const message = pollCard.createMessage();

          return {

            thread: this.event.message!.thread,

            actionResponse: {

              type: 'NEW_MESSAGE',

            },

            ...message,

          };

        }

        return helpResponse;

    }

  }

}