@onboardmobility/whatsapp/lib/chatApi.js

Utility class to connect to WhatsApp APIs

'use strict';

const request = require('request-promise');

/**
 * Envs vars
 */
const { WA_BASE_URL, WA_TOKEN, } = process.env;

async function processIncomingMessages({ messages }) {
    for (let i = 0; i < messages.length; i++) {
        const { body, author, fromMe, senderName, type } = messages[i];
        if (!fromMe) {
            return { body, author, fromMe, senderName, type, result: true };
        }
    }
    return { result: false };
}

async function sendMessage({ caption, text, url, to }) {
    const body = {
        phone: to,
        body: text,
    };

    return request.post({
        url: `${WA_BASE_URL}sendMessage?token=${WA_TOKEN}`,
        headers: {
            'Content-Type': 'application/json',
        },
        body: JSON.stringify(body),
    });
}

async function sendFile({ to, url, filename, caption }) {
    const body = {
        phone: to,
        body: url,
        filename,
        caption,
    };

    return request.post({
        url: `${WA_BASE_URL}sendFile?token=${WA_TOKEN}`,
        headers: {
            'Content-Type': 'application/json',
        },
        body: JSON.stringify(body),
    });
}

module.exports = { processIncomingMessages, sendMessage, sendFile };