From Zero to Storefront: My Journey Building a Property Rental Platform

import 'dotenv/config'
import process from 'node:process'
import fs from 'node:fs/promises'
import http from 'node:http'
import https, { ServerOptions } from 'node:https'
import app from './app'
import * as databaseHelper from './common/databaseHelper'
import * as env from './config/env.config'
import * as logger from './common/logger'

if (
  await databaseHelper.connect(env.DB_URI, env.DB_SSL, env.DB_DEBUG) 
  && await databaseHelper.initialize()
) {
  let server: http.Server | https.Server

  if (env.HTTPS) {
    https.globalAgent.maxSockets = Number.POSITIVE_INFINITY
    const privateKey = await fs.readFile(env.PRIVATE_KEY, 'utf8')
    const certificate = await fs.readFile(env.CERTIFICATE, 'utf8')
    const credentials: ServerOptions = { key: privateKey, cert: certificate }
    server = https.createServer(credentials, app)

    server.listen(env.PORT, () => {
      logger.info('HTTPS server is running on Port', env.PORT)
    })
  } else {
    server = app.listen(env.PORT, () => {
      logger.info('HTTP server is running on Port', env.PORT)
    })
  }

  const close = () => {
    logger.info('Gracefully stopping...')
    server.close(async () => {
      logger.info(`HTTP${env.HTTPS ? 'S' : ''} server closed`)
      await databaseHelper.close(true)
      logger.info('MongoDB connection closed')
      process.exit(0)
    })
  }

  ['SIGINT', 'SIGTERM', 'SIGQUIT'].forEach((signal) => process.on(signal, close))
}

import express from 'express'
import compression from 'compression'
import helmet from 'helmet'
import nocache from 'nocache'
import cookieParser from 'cookie-parser'
import i18n from './lang/i18n'
import * as env from './config/env.config'
import cors from './middlewares/cors'
import allowedMethods from './middlewares/allowedMethods'
import agencyRoutes from './routes/agencyRoutes'
import bookingRoutes from './routes/bookingRoutes'
import locationRoutes from './routes/locationRoutes'
import notificationRoutes from './routes/notificationRoutes'
import propertyRoutes from './routes/propertyRoutes'
import userRoutes from './routes/userRoutes'
import stripeRoutes from './routes/stripeRoutes'
import countryRoutes from './routes/countryRoutes'
import * as helper from './common/helper'

const app = express()

app.use(helmet.contentSecurityPolicy())
app.use(helmet.dnsPrefetchControl())
app.use(helmet.crossOriginEmbedderPolicy())
app.use(helmet.frameguard())
app.use(helmet.hidePoweredBy())
app.use(helmet.hsts())
app.use(helmet.ieNoOpen())
app.use(helmet.noSniff())
app.use(helmet.permittedCrossDomainPolicies())
app.use(helmet.referrerPolicy())
app.use(helmet.xssFilter())
app.use(helmet.originAgentCluster())
app.use(helmet.crossOriginResourcePolicy({ policy: 'cross-origin' }))
app.use(helmet.crossOriginOpenerPolicy())

app.use(nocache())
app.use(compression({ threshold: 0 }))
app.use(express.urlencoded({ limit: '50mb', extended: true }))
app.use(express.json({ limit: '50mb' }))

app.use(cors())
app.options('*', cors())
app.use(cookieParser(env.COOKIE_SECRET))
app.use(allowedMethods)

app.use('/', agencyRoutes)
app.use('/', bookingRoutes)
app.use('/', locationRoutes)
app.use('/', notificationRoutes)
app.use('/', propertyRoutes)
app.use('/', userRoutes)
app.use('/', stripeRoutes)
app.use('/', countryRoutes)

i18n.locale = env.DEFAULT_LANGUAGE

helper.mkdir(env.CDN_USERS)
helper.mkdir(env.CDN_TEMP_USERS)
helper.mkdir(env.CDN_PROPERTIES)
helper.mkdir(env.CDN_TEMP_PROPERTIES)
helper.mkdir(env.CDN_LOCATIONS)
helper.mkdir(env.CDN_TEMP_LOCATIONS)

export default app

import express from 'express'
import multer from 'multer'
import routeNames from '../config/propertyRoutes.config'
import authJwt from '../middlewares/authJwt'
import * as propertyController from '../controllers/propertyController'

const routes = express.Router()

routes.route(routeNames.create).post(authJwt.verifyToken, propertyController.create)
routes.route(routeNames.update).put(authJwt.verifyToken, propertyController.update)
routes.route(routeNames.checkProperty).get(authJwt.verifyToken, propertyController.checkProperty)
routes.route(routeNames.delete).delete(authJwt.verifyToken, propertyController.deleteProperty)
routes.route(routeNames.uploadImage).post([authJwt.verifyToken, multer({ storage: multer.memoryStorage() }).single('image')], propertyController.uploadImage)
routes.route(routeNames.deleteImage).post(authJwt.verifyToken, propertyController.deleteImage)
routes.route(routeNames.deleteTempImage).post(authJwt.verifyToken, propertyController.deleteTempImage)
routes.route(routeNames.getProperty).get(propertyController.getProperty)
routes.route(routeNames.getProperties).post(authJwt.verifyToken, propertyController.getProperties)
routes.route(routeNames.getBookingProperties).post(authJwt.verifyToken, propertyController.getBookingProperties)
routes.route(routeNames.getFrontendProperties).post(propertyController.getFrontendProperties)

export default routes

const routes = {
  create: '/api/create-property',
  update: '/api/update-property',
  delete: '/api/delete-property/:id',
  uploadImage: '/api/upload-property-image',
  deleteTempImage: '/api/delete-temp-property-image/:fileName',
  deleteImage: '/api/delete-property-image/:property/:image',
  getProperty: '/api/property/:id/:language',
  getProperties: '/api/properties/:page/:size',
  getBookingProperties: '/api/booking-properties/:page/:size',
  getFrontendProperties: '/api/frontend-properties/:page/:size',
  checkProperty: '/api/check-property/:id',
}

export default routes

import { Schema, model } from 'mongoose'
import * as movininTypes from ':movinin-types'
import * as env from '../config/env.config'

const propertySchema = new Schema<env.Property>(
  {
    name: {
      type: String,
      required: [true, "can't be blank"],
    },
    type: {
      type: String,
      enum: [
        movininTypes.PropertyType.House,
        movininTypes.PropertyType.Apartment,
        movininTypes.PropertyType.Townhouse,
        movininTypes.PropertyType.Plot,
        movininTypes.PropertyType.Farm,
        movininTypes.PropertyType.Commercial,
        movininTypes.PropertyType.Industrial,
      ],
      required: [true, "can't be blank"],
    },
    agency: {
      type: Schema.Types.ObjectId,
      required: [true, "can't be blank"],
      ref: 'User',
      index: true,
    },
    description: {
      type: String,
      required: [true, "can't be blank"],
    },
    available: {
      type: Boolean,
      default: true,
    },
    image: {
      type: String,
    },
    images: {
      type: [String],
    },
    bedrooms: {
      type: Number,
      required: [true, "can't be blank"],
      validate: {
        validator: Number.isInteger,
        message: '{VALUE} is not an integer value',
      },
    },
    bathrooms: {
      type: Number,
      required: [true, "can't be blank"],
      validate: {
        validator: Number.isInteger,
        message: '{VALUE} is not an integer value',
      },
    },
    kitchens: {
      type: Number,
      default: 1,
      validate: {
        validator: Number.isInteger,
        message: '{VALUE} is not an integer value',
      },
    },
    parkingSpaces: {
      type: Number,
      default: 0,
      validate: {
        validator: Number.isInteger,
        message: '{VALUE} is not an integer value',
      },
    },
    size: {
      type: Number,
    },
    petsAllowed: {
      type: Boolean,
      required: [true, "can't be blank"],
    },
    furnished: {
      type: Boolean,
      required: [true, "can't be blank"],
    },
    minimumAge: {
      type: Number,
      required: [true, "can't be blank"],
      min: env.MINIMUM_AGE,
      max: 99,
    },
    location: {
      type: Schema.Types.ObjectId,
      ref: 'Location',
      required: [true, "can't be blank"],
    },
    address: {
      type: String,
    },
    price: {
      type: Number,
      required: [true, "can't be blank"],
    },
    hidden: {
      type: Boolean,
      default: false,
    },
    cancellation: {
      type: Number,
      default: 0,
    },
    aircon: {
      type: Boolean,
      default: false,
    },
    rentalTerm: {
      type: String,
      enum: [
        movininTypes.RentalTerm.Monthly,
        movininTypes.RentalTerm.Weekly,
        movininTypes.RentalTerm.Daily,
        movininTypes.RentalTerm.Yearly,
      ],
      required: [true, "can't be blank"],
    },
  },
  {
    timestamps: true,
    strict: true,
    collection: 'Property',
  },
)

const Property = model<env.Property>('Property', propertySchema)

export default Property

export interface Property extends Document {
  name: string
  type: movininTypes.PropertyType
  agency: Types.ObjectId
  description: string
  image: string
  images?: string[]
  bedrooms: number
  bathrooms: number
  kitchens?: number
  parkingSpaces?: number,
  size?: number
  petsAllowed: boolean
  furnished: boolean
  minimumAge: number
  location: Types.ObjectId
  address?: string
  price: number
  hidden?: boolean
  cancellation?: number
  aircon?: boolean
  available?: boolean
  rentalTerm: movininTypes.RentalTerm
}

export const create = async (req: Request, res: Response) => {
  const { body }: { body: movininTypes.CreatePropertyPayload } = req

  try {
    const {
      name,
      type,
      agency,
      description,
      image: imageFile,
      images,
      bedrooms,
      bathrooms,
      kitchens,
      parkingSpaces,
      size,
      petsAllowed,
      furnished,
      minimumAge,
      location,
      address,
      price,
      hidden,
      cancellation,
      aircon,
      rentalTerm,
    } = body

    const _property = {
      name,
      type,
      agency,
      description,
      bedrooms,
      bathrooms,
      kitchens,
      parkingSpaces,
      size,
      petsAllowed,
      furnished,
      minimumAge,
      location,
      address,
      price,
      hidden,
      cancellation,
      aircon,
      rentalTerm,
    }

    const property = new Property(_property)
    await property.save()

    // image
    const _image = path.join(env.CDN_TEMP_PROPERTIES, imageFile)
    if (await helper.exists(_image)) {
      const filename = `${property._id}_${Date.now()}${path.extname(imageFile)}`
      const newPath = path.join(env.CDN_PROPERTIES, filename)

      await fs.rename(_image, newPath)
      property.image = filename
    } else {
      await Property.deleteOne({ _id: property._id })
      const err = 'Image file not found'
      logger.error(i18n.t('ERROR'), err)
      return res.status(400).send(i18n.t('ERROR') + err)
    }

    // images
    property.images = []
    if (images) {
      let i = 1
      for (const img of images) {
        const _img = path.join(env.CDN_TEMP_PROPERTIES, img)

        if (await helper.exists(_img)) {
          const filename = `${property._id}_${uuid()}_${Date.now()}_${i}${path.extname(img)}`
          const newPath = path.join(env.CDN_PROPERTIES, filename)

          await fs.rename(_img, newPath)
          property.images.push(filename)
        } else {
          await Property.deleteOne({ _id: property._id })
          const err = 'Image file not found'
          logger.error(i18n.t('ERROR'), err)
          return res.status(400).send(i18n.t('ERROR') + err)
        }
        i += 1
      }
    }

    await property.save()

    return res.json(property)
  } catch (err) {
    logger.error(`[property.create] ${i18n.t('DB_ERROR')} ${JSON.stringify(body)}`, err)
    return res.status(400).send(i18n.t('ERROR') + err)
  }
}

import React, { lazy, Suspense } from 'react'
import { BrowserRouter as Router, Route, Routes } from 'react-router-dom'
import env from '@/config/env.config'
import { GlobalProvider } from '@/context/GlobalContext'
import { init as initGA } from '@/common/ga4'

if (env.GOOGLE_ANALYTICS_ENABLED) {
  initGA()
}

const SignIn = lazy(() => import('@/pages/SignIn'))
const SignUp = lazy(() => import('@/pages/SignUp'))
const Activate = lazy(() => import('@/pages/Activate'))
const ForgotPassword = lazy(() => import('@/pages/ForgotPassword'))
const ResetPassword = lazy(() => import('@/pages/ResetPassword'))
const Home = lazy(() => import('@/pages/Home'))
const Search = lazy(() => import('@/pages/Search'))
const Property = lazy(() => import('@/pages/Property'))
const Checkout = lazy(() => import('@/pages/Checkout'))
const CheckoutSession = lazy(() => import('@/pages/CheckoutSession'))
const Bookings = lazy(() => import('@/pages/Bookings'))
const Booking = lazy(() => import('@/pages/Booking'))
const Settings = lazy(() => import('@/pages/Settings'))
const Notifications = lazy(() => import('@/pages/Notifications'))
const ToS = lazy(() => import('@/pages/ToS'))
const About = lazy(() => import('@/pages/About'))
const ChangePassword = lazy(() => import('@/pages/ChangePassword'))
const Contact = lazy(() => import('@/pages/Contact'))
const NoMatch = lazy(() => import('@/pages/NoMatch'))
const Agencies = lazy(() => import('@/pages/Agencies'))
const Locations = lazy(() => import('@/pages/Locations'))

const App = () => (
  <GlobalProvider>
    <Router>
      <div className="app">
        <Suspense fallback={<></>}>
          <Routes>
            <Route path="/sign-in" element={<SignIn />} />
            <Route path="/sign-up" element={<SignUp />} />
            <Route path="/activate" element={<Activate />} />
            <Route path="/forgot-password" element={<ForgotPassword />} />
            <Route path="/reset-password" element={<ResetPassword />} />
            <Route path="/" element={<Home />} />
            <Route path="/search" element={<Search />} />
            <Route path="/property" element={<Property />} />
            <Route path="/checkout" element={<Checkout />} />
            <Route path="/checkout-session/:sessionId" element={<CheckoutSession />} />
            <Route path="/bookings" element={<Bookings />} />
            <Route path="/booking" element={<Booking />} />
            <Route path="/settings" element={<Settings />} />
            <Route path="/notifications" element={<Notifications />} />
            <Route path="/change-password" element={<ChangePassword />} />
            <Route path="/about" element={<About />} />
            <Route path="/tos" element={<ToS />} />
            <Route path="/contact" element={<Contact />} />
            <Route path="/agencies" element={<Agencies />} />
            <Route path="/destinations" element={<Locations />} />

            <Route path="*" element={<NoMatch />} />
          </Routes>
        </Suspense>
      </div>
    </Router>
  </GlobalProvider>
)

export default App

{
  "extends": "expo/tsconfig.base",
  "compilerOptions": {
    "strict": true,
    "typeRoots": [
      "./types"
    ]
  }
}

import 'react-native-gesture-handler'
import React, { useCallback, useEffect, useRef, useState } from 'react'
import { RootSiblingParent } from 'react-native-root-siblings'
import { NavigationContainer, NavigationContainerRef } from '@react-navigation/native'
import { StatusBar as ExpoStatusBar } from 'expo-status-bar'
import { SafeAreaProvider } from 'react-native-safe-area-context'
import { Provider } from 'react-native-paper'
import * as SplashScreen from 'expo-splash-screen'
import * as Notifications from 'expo-notifications'
import { StripeProvider } from '@stripe/stripe-react-native'
import DrawerNavigator from './components/DrawerNavigator'
import * as helper from './common/helper'
import * as NotificationService from './services/NotificationService'
import * as UserService from './services/UserService'
import { GlobalProvider } from './context/GlobalContext'
import * as env from './config/env.config'

Notifications.setNotificationHandler({
  handleNotification: async () => ({
    shouldShowAlert: true,
    shouldPlaySound: true,
    shouldSetBadge: true,
  }),
})

//
// Prevent native splash screen from autohiding before App component declaration
//
SplashScreen.preventAutoHideAsync()
  .then((result) => console.log(`SplashScreen.preventAutoHideAsync() succeeded: ${result}`))
  .catch(console.warn) // it's good to explicitly catch and inspect any error

const App = () => {
  const [appIsReady, setAppIsReady] = useState(false)

  const responseListener = useRef<Notifications.Subscription>()
  const navigationRef = useRef<NavigationContainerRef<StackParams>>(null)

  useEffect(() => {
    const register = async () => {
      const loggedIn = await UserService.loggedIn()
      if (loggedIn) {
        const currentUser = await UserService.getCurrentUser()
        if (currentUser?._id) {
          await helper.registerPushToken(currentUser._id)
        } else {
          helper.error()
        }
      }
    }

    //
    // Register push notifiations token
    //
    register()

    //
    // This listener is fired whenever a user taps on or interacts with a notification (works when app is foregrounded, backgrounded, or killed)
    //
    responseListener.current = Notifications.addNotificationResponseReceivedListener(async (response) => {
      try {
        if (navigationRef.current) {
          const { data } = response.notification.request.content

          if (data.booking) {
            if (data.user && data.notification) {
              await NotificationService.markAsRead(data.user, [data.notification])
            }
            navigationRef.current.navigate('Booking', { id: data.booking })
          } else {
            navigationRef.current.navigate('Notifications', {})
          }
        }
      } catch (err) {
        helper.error(err, false)
      }
    })

    return () => {
      Notifications.removeNotificationSubscription(responseListener.current!)
    }
  }, [])

  setTimeout(() => {
    setAppIsReady(true)
  }, 500)

  const onReady = useCallback(async () => {
    if (appIsReady) {
      //
      // This tells the splash screen to hide immediately! If we call this after
      // `setAppIsReady`, then we may see a blank screen while the app is
      // loading its initial state and rendering its first pixels. So instead,
      // we hide the splash screen once we know the root view has already
      // performed layout.
      //
      await SplashScreen.hideAsync()
    }
  }, [appIsReady])

  if (!appIsReady) {
    return null
  }

  return (
    <GlobalProvider>
      <SafeAreaProvider>
        <Provider>
          <StripeProvider publishableKey={env.STRIPE_PUBLISHABLE_KEY} merchantIdentifier={env.STRIPE_MERCHANT_IDENTIFIER}>
            <RootSiblingParent>
              <NavigationContainer ref={navigationRef} onReady={onReady}>
                <ExpoStatusBar style="light" backgroundColor="rgba(0, 0, 0, .9)" />
                <DrawerNavigator />
              </NavigationContainer>
            </RootSiblingParent>
          </StripeProvider>
        </Provider>
      </SafeAreaProvider>
    </GlobalProvider>
  )
}

export default App