Real-time lead alerts

using System.Web.Mvc;
using LeadAlerts.Web.Domain;
using LeadAlerts.Web.ViewModels;
using Vereyon.Web;
using System.Threading.Tasks;

namespace LeadAlerts.Web.Controllers
{
    public class NotificationsController : Controller
    {
        private readonly INotificationService _notificationService;

        public NotificationsController() : this(new NotificationService()) { }

        public NotificationsController(INotificationService notificationService)
        {
            _notificationService = notificationService;
        }

        // POST: Notifications/Create
        [HttpPost]
        public async Task<ActionResult> Create(Lead lead)
        {
            var message = await _notificationService.SendAsync(FormatMessage(lead));

            if (message.ErrorCode.HasValue)
            {
                FlashMessage.Danger("Oops! There was an error. Please try again.");
            }
            else
            {
                FlashMessage.Confirmation("Thanks! An agent will be contacting you shortly.");
            }

            return RedirectToAction("Index", "Home");
        }

        private static string FormatMessage(Lead lead)
        {
            return $"New lead received for {lead.HouseTitle}. Call {lead.Name} at {lead.Phone}. Message: {lead.Message}";
        }
    }
}

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Http\Requests;
use App\Http\Controllers\Controller;

use Twilio\Rest\Client;

class NotificationsController extends Controller
{
    protected $client;

    public function __construct(Client $client)
    {
        $this->client = $client;
    }

    public function create(Request $request)
    {
        $houseTitle = $request->input('houseTitle');
        $name       = $request->input('name');
        $phone      = $request->input('phone');
        $message    = $request->input('message');

        $formattedMessage = $this->formatMessage($houseTitle, $name, $phone, $message);

        try {
            $this->sendMessage($formattedMessage);
            $request
                ->session()
                ->flash('success', 'Thanks! An agent will be contacting you shortly.');
        } catch (Exception $e) {
            echo $e->getMessage();
            $request
                ->session()
                ->flash('error', 'Oops! There was an error. Please try again.');
        }

        return redirect()->route('home');
    }

    private function sendMessage($message)
    {
        $twilioPhoneNumber = config('services.twilio')['twilioPhoneNumber'];
        $agentPhoneNumber = config('services.twilio')['agentPhoneNumber'];
        $this->client->messages->create(
            $agentPhoneNumber,
            array(
                'from' => $twilioPhoneNumber,
                'body' => $message
            )
        );
    }

    private function formatMessage($houseTitle, $name, $phone, $message)
    {
        return
            "New lead received for $houseTitle. " .
            "Call $name at $phone. " .
            "Message: $message";
    }
}

# frozen_string_literal: true

require 'message_sender'
class NotificationsController < ApplicationController
  def create
    MessageSender.send_message(message)
    redirect_to root_url,
      success: 'Thanks! An agent will be contacting you shortly.'
  rescue Twilio::REST::TwilioError => error
    p error.message
    redirect_to root_url,
      error: 'Oops! There was an error. Please try again.'
  end

  private

  def message
    "New lead received for #{params[:house_title]}. " \
    "Call #{params[:name]} at #{params[:phone]}. " \
    "Message: #{params[:message]}"
  end
end

package com.twilio.leadalerts;

import com.twilio.leadalerts.lib.MessageSender;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class NotificationsServlet extends HttpServlet {

    private final MessageSender messageSender;

    @SuppressWarnings("unused")
    public NotificationsServlet() {
        this(new MessageSender());
    }

    public NotificationsServlet(MessageSender messageSender) {
        this.messageSender = messageSender;
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
        String houseTitle = request.getParameter("houseTitle");
        String name = request.getParameter("name");
        String phone = request.getParameter("phone");
        String message = request.getParameter("message");

        String formattedMessage = formatMessage(houseTitle, name, phone, message);
        try {
            messageSender.send(formattedMessage);
            request.setAttribute("success", "Thanks! An agent will be contacting you shortly.");
        } catch (Exception e) {
            e.printStackTrace();
            request.setAttribute("error", "Oops! There was an error. Please try again.");
        }

        request.getRequestDispatcher("home.jsp").forward(request, response);
    }


    private String formatMessage(String houseTitle, String name, String phone, String message) {
        return String.format("New lead received for %s. Call %s at %s. Message: %s",
                houseTitle, name, phone, message);
    }
}

const Twilio = require('twilio');
const config = require('../config');
const Express = require('express');


// Some hard-coded information about a house
var house = {
    title: '555 Sunnybrook Lane',
    price: '$349,999',
    description: 'You and your family will love this charming home. '
        + 'Featuring granite appliances, stainless steel windows, and '
        + 'high efficiency dual mud rooms, this joint is loaded to the max. '
        + 'Motivated sellers have priced for a quick sale, act now!'
};

// Map routes to controller functions
module.exports = function () {
    // Create an authenticated Twilio API client
    var client = new Twilio(config.accountSid, config.authToken);
    const router = Express.Router();

    // Render landing page
    router.get('/', function(request, response) {
        response.render('index', house);
    });

    // Send lead notification
    router.post('/leads', function(request, response) {
        // Assemble a text message body
        var message = 'New lead received for ' + house.title + '. Call '
            + request.body.name + ' at ' + request.body.phone + '. Message: "'
            + request.body.message + '"';

        // Send lead notification to agent
        client.messages.create({
            to: config.agentNumber,
            from: config.twilioNumber,
            body: message
        })
        .then(() => {
          // Otherwise, respond with 200 OK
          response.status(200).send('Lead notification was successfully sent.');
        })
        .catch((err) => {
          console.error(err);
          response.status(500).send();
        })
    });

    return router;
};