index.js

/*global process*/

const express = require('express')
const app = express()
const morgan = require('morgan')
const Person = require('./modules/personCode')


app.use(express.json())
app.use(express.static('build'))
app.use(express.static('public'))

const requestLogger = (req, res, next) => {
  console.log(`${req.method} request for '${req.url}' - ${JSON.stringify(req.body)}`)
  next()
}

app.use(requestLogger)
app.use(morgan('tiny'))

const errorHandler = (error, req, res) => {
  console.error(error.message)
  if (error.name === 'CastError') {
    return res.status(400).json({ error: 'malformatted id' })
  } else if (error.name === 'ValidationError') {
    return res.status(400).json({ error: error.message })
  }
}

let data = [
  {
    'id': 1,
    'name': 'Arto Hellas',
    'number': '040-123456'
  },
  {
    'id': 2,
    'name': 'Ada Lovelace',
    'number': '39-44-5323523'
  },
  {
    'id': 3,
    'name': 'Dan Abramov',
    'number': '12-43-234345'
  },
  {
    'id': 4,
    'name': 'Mary Poppendieck',
    'number': '39-23-6423122'
  }
]


app.get('/api/persons', (req, res) => {
  Person.find({}).then(result => {
    res.json(result)
  })
})

app.get('/api/persons/info', (req, res) => {
  const date = new Date()
  Person.find({}).then(result => {
    res.send(`<p>Phonebook has info for ${result.length} people</p><p>${date}</p>`)
  })
})

app.get('/api/persons/:id', (req, res, next) => {
  const id = req.params.id
  Person.findById(id).then(result => {
    res.json(result)
  })
    .catch(error => next(error))
})

app.delete('/api/persons/:id', (req, res, next) => {
  const id = req.params.id
  Person.findByIdAndRemove(id).then(result => {
    if (result) {
      res.status(204).end()
    } else {
      res.status(404).json({ error: 'No person with given id' })
    }
  })
    .catch(error => next(error))
})

app.put('/api/persons/:id', (req, res, next) => {
  Person.findByIdAndUpdate(req.params.id, req.body, { new: true, runValidators: true })
    .then(result => {
      res.json(result)
    })
    .catch(error => next(error))
})

app.post('/api/persons', (req, res, next) => {
  const body = req.body
  const person = new Person({
    name: body.name,
    number: body.number,
  })
  person.save()
    .then(result => {
      data.concat(result)
      res.json(result)
    })
    .catch(error => next(error))
})

app.use(errorHandler)

const PORT = process.env.PORT

app.listen(PORT, () => {
  console.log(`Server running on port ${PORT}`)
})