1. Rails and Resources
Bart Zonneveld

2. Bart!
Dean
Sjoerd!
Niels!
Programmer
Designer
Programmer
Project Lead
http://madebyhiro.com

3. Uitzending Gemist
± 600.000 visitors / day
± 4.000 req / min (10k peak)
!
!
± 700.000 videos / day
230 ms avg response

4. Amazon.com!
Let’s buy a book about Ruby on Rails

5. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books

6. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book

7. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book

8. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart

9. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the list of all books

10. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the list of all books
•
Get a specific book

11. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the list of all books
•
Get a specific book

12. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the list of all books
•
Get a specific book
•
Put the book in my cart

13. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the contents of my cart

14. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the contents of my cart
•
Delete a book from my cart

15. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the contents of my cart
•
Delete a book from my cart
•
Post money to Amazon

16. Amazon.com!
Let’s buy a book about Ruby on Rails
•
Get a list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the list of all books
•
Get a specific book
•
Put the book in my cart
•
Get the contents of my cart
•
Delete a book from my cart
•
Post money to Amazon

17. Amazon.com!
Let’s buy a book about Ruby on Rails
Verb
Noun
GET
books
PUT
cart
DELETE
book
POST
money

18. Amazon books
Books! !
!
!
! /books!
! Best sellers
/books/best_sellers!
! Hardcover
/books/hardcover
Sale
/books/sale
Top rated
/books/top_rated

19. Top rated books!
/books/top_rated

20. Top rated books!
/books/top_rated.json
!
{
'books' : [
...
{
id: '3487',
title: 'Agile Web Development with Rails 4',
authors: [ 'Sam Ruby',
'Dave Thomas',
'David Heinemeier Hansson' ],
price: '$ 26.37',
rating: '4.2'
}
...
]
}

21. Top rated books!
/books/3487.json
!
{
id: '3487',
title: 'Agile Web Development with Rails 4',
authors: [ 'Sam Ruby',
'Dave Thomas',
'David Heinemeier Hansson' ],
price: '$ 26.37',
rating: '4.2'
}

22. Amazon.rb
!
Amazon.routes do
resources :books
end

23. Amazon.rb
!
Amazon.routes do
resources :books do
collection :top_rated
end
end

24. Amazon.routes do
resources :books do
collection :top_rated
Amazon.rb
end
end
Prefix Verb
books GET
URI Pattern
Controller#Action
/books
books#index
/books/top_rated
books#top_rated
/books
books#create
/books/new
books#new
/books/:id/edit
books#edit
book GET
/books/:id
books#show
PUT
/books/:id
books#update
top_rated_books GET
POST
new_book GET
edit_book GET
DELETE /books/:id
books#destroy

25. Amazon.routes do
resources :books do
collection :top_rated
Amazon.rb
end
end
Prefix Verb
books GET
URI Pattern
Controller#Action
/books
books#index
/books/top_rated
books#top_rated
/books
books#create
/books/new
books#new
/books/:id/edit
books#edit
book GET
/books/:id
books#show
PUT
/books/:id
books#update
top_rated_books GET
POST
new_book GET
edit_book GET
DELETE /books/:id
books#destroy

26. REpresentational State Transfer
Roy Fielding
Architectural Styles and
the Design of Network-based
Software Architectures (2000)

27. REpresentational State Transfer
“How I Explained REST to My Wife”
Ryan Tomayko
tiny.cc/rest_rails