Global-sales/wai-server/core/services/whatsappHandler.js

const generateId = require('../../utils/generateId.util');
const whatsappEvents = require('../emitter');
const { callWebhook } = require('../webhook');
const { addConnection, updateConnection } = require('../../services/connections.service');
const { objectMapper } = require('../../utils/commons.util');

const logger = console;

const connectionEventNames = ['connection:open', 'connection:update', 'connection:close'];
const messageEventNames = ['message:received', 'message:updated'];

const eeventTypeMapped = {
  'message:received': 'wai.message.received',
  'message:updated': 'wai.message.updated',
};

const webhookBodyBuilder = (messageData, messageType) => {
  const message = {
    id: `evt_${generateId().replace(/-/g, '')}`,
    type: eeventTypeMapped[messageType],
    apiVersion: 'v2',
    webhooksource: 'wai',
    createTime: new Date(new Date().getTime() + 8 * 60 * 60 * 1000).toISOString(), // GMT +8
    waiMessage: messageData,
  };
  return message;
};

const setupConnectionHandler = () => {
  // connectionEventNames.forEach(eventName => {
  whatsappEvents.on('connection:open', async connectionData => {
    logger.info(`Setting up event ${'connection:open'}`);
    try {
      await addConnection({
        ...objectMapper(connectionData, { phone: [{ key: 'wa_id' }, { key: 'sesson_id' }], channelId: 'channel_id', createTimestamp: 'createtime' }),
        service_type: 'baileys',
        status: 'connecting',
      });
    } catch (error) {
      logger.error({ connectionData, error }, 'error add connection');
    }
  });
  whatsappEvents.on('connection:update', async connectionData => {
    logger.info(`Setting up event ${'connection:updated'}`);
    try {
      await updateConnection({
        ...objectMapper(connectionData, { phone: [{ key: 'wa_id' }, { key: 'sesson_id' }], channelId: 'channel_id' }),
        service_type: 'baileys',
      });
    } catch (error) {
      logger.error({ connectionData, error }, 'error add connection');
    }
  });
  // });
};

const setupMessageHandler = () => {
  messageEventNames.forEach(eventName => {
    logger.info(`Setting up event ${eventName}`);
    whatsappEvents.on(eventName, async messageData => {
      try {
        const x = webhookBodyBuilder(messageData, eventName);
        await callWebhook(x);
      } catch (error) {
        logger.error({ messageData, error }, 'error call webhook');
      }
    });
  });
};

function setupWhatsappHandler() {
  setupConnectionHandler();
  setupMessageHandler();
}

module.exports = { setupWhatsappHandler };