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REST & Express lesson notes
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rest-express.md

REST (Representational State Transfer) & Express

Objectives

  • Describe the concept of resources in relation to REST and APIs
  • Identify RESTful conventions for API routes
  • Explain what express is and why it's useful
  • Build RESTful routes using express

REST

  • What is a resource?

    Your answer...

  • What are the five common actions of an API? What methods and status codes are typically used for the five common actions?

    Your answer...

  • Build RESTful routes for one of the following resources: cards, dogs, engineers

    Action Method Path Body
    _
    _
    _
    _
    _

    Your answer...

  • Attept this REST Quiz!

    https://learn.co/lessons/rest-quiz

  • How would you build RESTful routes for the following data?

    const authors = [
  {
    name: 'Haruki Murakami',
    books: [
      { title: 'Hard-Boiled Wonderland and the End of the World' },
      { title: 'The Wind-Up Bird Chronicle' }
    ]
  },
  {
    name: 'Kurt Vonnegut'
    books: [
      { title: 'Slaughterhouse-Five' }
    ]
  }
]
    • Get all authors
    • Get one author
    • Add new author
    • Get all books by author
    • Get one book by author
    • Add new book by author
    • Edit one book by author
    • Delete one book by author
    • Challenge: Get a specific number of authors?

    Your answer...

Express

  • Given the following examples of a web server written with Node http and Express that perform the same tasks

    const fs = require('fs')
const http = require('http')

const server = http.createServer(function(request, response) {
  if(request.url === '/logo.png') {
    response.writeHead(200, {'Content-Type': 'image/gif'})

    fs.readFile(__dirname + '/public/logo.png', function(err, data) {
      if(err) console.log(err)

      response.end(data)
    })
  }
  else if (request.url === '/'){
    response.writeHead(200, {'Content-Type': 'text/html' })

    fs.readFile(__dirname + '/public/index.html', function(err, data) {
      if(err) console.log(err)

      response.end(data)
    })
  }
}) // and much more besides
    const express = require('express')
const http = require('http')

const app = express()

app.use(express.static('./public'))

app.get('/', function(req, res, next) {
  res.sendFile('./public/index.html')
})

http.createServer(app).listen(3000)
console.log('Express server is listening on port 3000')

  • What are the tasks performed?

  • What parts are of the process does Express help you with

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