Section 13: Creating JSON API's with Node and Mongo

Question 1

Define IDE

Answer 1

Integrated development environment.

An integrated development environment is a software application that provides comprehensive facilities to computer programmers for software development. An IDE normally consists of at least a source code editor, build automation tools and a debugger.

Question 2

How do you start writing a node application so that you can keep track of all dependencies?

Answer 2

With the command:

‘npm init’

Question 3

How do you install express?

Answer 3

npm install –save express

Question 4

What steps are needed to start the most basic express app?

Answer 4

0. Install express
1. Require express
   express = require(‘express’)
2. Execute contents of express
   app = express()
3. Start server
   app.listen()

Question 5

How do you stop the server, or Mongod in the terminal?

Answer 5

ctrl + c

Question 6

How do you define a schema with mongoose?

Answer 6

var newSchema = new mongoose.Schema({
      completed: {
          type: Boolean, 
          default: false
});

Question 7

How do you declare a mongoose model?

Answer 7

var Todo = mongoose.model(‘Todo’, todoSchema);

Question 8

How do you export things out of a js file while using node.js?

Answer 8

Use:

module.exports = (thing-to-export)

Question 9

How do you start a MongoDB?

Answer 9

./mongod

In the root directory, and leave it running.

Question 10

How do you get ‘/api/todos’ in front of all of your routes?

Answer 10

app. use(‘/api/todos’, todoRoutes);

* This will put that prefix in front of all of them.

Question 11

How do you gain the ability to reference the body?

Answer 11

1. Install Body Parser:
   npm install –save body-parser
2. Require it:
   bodyParser = require(‘body-parser’);
3. Use it: (twice)
   app. use(bodyParser.json());
   app. use(bodyParser.urlencoded({extended: true}));

Question 12

How do you get things out of the GET request?

Answer 12

router.get(‘/:todoID’, function(req, res){
db.Todo.findById(req.params.todoID);
})

• You pass in the id in as a route variable, and then it’s stored in the ‘params’ object under the id you gave it.

Question 13

Name the 7 routes

Answer 13

1. Index
2. New
3. Create
4. Show
5. Edit
6. Update
7. Destroy

Question 14

What’s the route, URL and HTTP Verb to display a list of all blogs?

Answer 14

Index
/blogs
GET

Question 15

What’s the route, URL and HTTP Verb to show a form to make new blogs?

Answer 15

New
/blog/new
GET

Question 16

What’s the route, URL and HTTP Verb to add a new blog to database, then redirect?

Answer 16

Create
/blogs
POST

Question 17

What’s the route, URL and HTTP Verb to show info about one blog?

Answer 17

Show
/blogs/:id
GET

Question 18

What’s the route, URL and HTTP Verb to show an edit form of one blog?

Answer 18

Edit
/blogs/:id/edit
GET

Question 19

What’s the route, URL and HTTP Verb to update a particular blog, then redirect?

Answer 19

Update
/blogs/:id
PUT

Question 20

What’s the route, URL and HTTP Verb to delete a particular blog, then redirect?

Answer 20

Destroy
/blogs/:id
DELETE