app.js

const mongoose = require('mongoose')
const express = require('express')
const bodyParser = require('body-parser')
const cors = require('cors')
const config = require('./utils/config')
const blogsRouter = require('./controllers/blogs')
const usersRouter = require('./controllers/users')
const loginRouter = require('./controllers/login')

const app = express()

const getTokenFrom = (request, response, next) => {
  const authorization = request.get('authorization')
  if (authorization && authorization.toLowerCase().startsWith('bearer ')) {
    request.token = authorization.substring(7)
  } else {
    request.token = ''
  }
  next()
}

if (process.env.NODE_ENV === 'test') {
  const testingRouter = require('./controllers/testing')
  app.use('/api/testing', testingRouter)
}

mongoose.connect(config.MONGODB_URI, { useNewUrlParser: true })

app.use(getTokenFrom)
app.use(cors())
app.use(bodyParser.json())
app.use(express.static('build'))

app.use('/api/blogs', blogsRouter)
app.use('/api/users', usersRouter)
app.use('/api/login', loginRouter)

module.exports = app