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RESTful Routing Basics. RoR Meetup, 1/18/2007 Andre Lewis. What You’ll Learn. Getting started with RESTful resources in Rails 1.2 Using scaffold_resource How to nest resources. Motivation. Why care about REST? What can REST do for you?. …. Fewer decisions to make

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restful routing basics

RESTful Routing Basics

RoR Meetup, 1/18/2007

Andre Lewis

what you ll learn
What You’ll Learn
  • Getting started with RESTful resources in Rails 1.2
  • Using scaffold_resource
  • How to nest resources
motivation
Motivation
  • Why care about REST?
  • What can REST do for you?
slide4
  • Fewer decisions to make
  • More easily understand other’s work, or your own older work
  • Nice URLs
  • Convenient named routes
  • XML/JS/JSON responses, easier
the rest mindset
The REST Mindset
  • Think in terms of:
    • Create  GET /items/new
    • Retrieve  GET /items/1
    • Update  PUT /items/1
    • Delete  PUT /items/1;delete
  • Let the constraints imposed by CRUD guide your controller design
review nested resources
Review: Nested Resources
  • Create the resource scaffolding and migrations
  • Set up relationships in models
  • Modify routes.rb
  • Modify the controller of the nested resource
    • add a before_filter
    • amend the *_url calls in create and update actions
    • scope your Comment (nested class) finders to the Post (nestee class)
  • Modify the views
  • Provide a link to the nested resource
rest learn more
REST: Learn More
  • My blog post at http://earthcode.com
  • DHH\'s REST keynote (get the slides too!)
    • http://www.loudthinking.com/lt-files/worldofresources.pdf
    • http://www.scribemedia.org/2006/07/09/dhh/
  • The 2nd edition of Pragmatic\'s Agile Web Development
  • Peepcode screencast and cheatsheet

Questions/Feedback?

  • what about *optionally* nested resources?
  • What about the new/edit request.get? pattern?
  • Is it “bad” to put additional methods on your RESTful controllers?
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