mongo.js

const mongoose = require('mongoose')

if (process.argv.length < 3) {
  console.log('give password as argument')
  process.exit(1)
}

const password = process.argv[2]

const url = `mongodb+srv://fullstackopen:${password}@cluster0.cj64b.mongodb.net/puhelinluettelo?retryWrites=true&w=majority`

mongoose.connect(url, { useNewUrlParser: true, useUnifiedTopology: true, useFindAndModify: false, useCreateIndex: true })

const personSchema = new mongoose.Schema({
  name: String,
  number: String
})

const Person = mongoose.model('Person', personSchema)

if (process.argv.length === 5) {
  const person = new Person({
    name: process.argv[3],
    number: process.argv[4]
  })
  person
    .save()
    .then(() => {
      console.log(`added ${person.name} number ${person.number} to phonebook`)
      mongoose.connection.close()
    })
} else if (process.argv.length === 3) {
  Person
    .find({})
    .then(persons => {
      console.log('phonebook:')
      persons.forEach(person => {
        console.log(`${person.name} ${person.number}`)
      })
      mongoose.connection.close()
    })
} else {
  process.exit(1)
}