AdonisSockets-createMessage.js

const Room = use('App/Models/Room');

const { broadcast } = require('../../utils/socket.utils');

async createMessage ({ params, request, response }) {
  const room = await Room.find(params.id);
  if (!room) {
    return response.notFound(`The room doesn't exist`)
  }

  const data = request.only(['name', 'message']);
  const message = await room.messages().create(data);

  // send the message upon new message creation
  // define a type for the frontend app - "room:newMessage"
  broadcast(room.uuid, 'room:newMessage', message);

  return message
}