live lecture 16-03-22

index.js

var express = require('express')
var bodyParser = require('body-parser')

/*
RESTful HTTP API routing

example: `/things` resource

GET /things -> [{ id: 0, name: "computer" }, { id: 1, name: "javascript" }]
POST /things { name: "desk" } -> { id: 2, name: "desk" }
GET /things/2 -> { id: 2, name: "desk" }
PUT /things/2
DELETE /things/2


methods:
- GET
- POST (create)
- PUT (update)
- PATCH (update)
- DELETE
*/

var app = express()

app.use(bodyParser.json())

var things = [{
  id: 0, name: "computer"
}, {
  id: 1, name: "javascript"
}]

app.get('/things', function (req, res) {
  res.send(things)
})

var id = 2
app.post('/things', function (req, res) {
  var newThing = req.body
  newThing.id = id
  things.push(newThing)
  res.send(newThing)
  id += 1 // increment id for next thing
})

app.get('/things/:id', function (req, res) {
  // TODO re-write with lodash.find
  var filteredThings = things.filter(function (thing) {
    return thing.id == req.params.id
  })
  res.send(filteredThings[)
})

app.listen(5000, function () {
  console.log('server listening on port 5000')
})