Rails core - Aug 2006 - ActiveResource

I''ve been sitting on an ActiveResource patch for a few weeks, waiting
to get some feedback from David.  But, I see other folks like Jeremy
are starting to use it, so I committed my patch:

http://dev.rubyonrails.org/changeset/4890

It gets all the basic operations in working order, and adds support
for prefixes.  I wasn''t quite sure how to pull this off.  Right now,
I''m using a route like syntax:

# See the CHANGELOG

    # rails routing code
    map.resources :posts do |post|
      post.resources :comments
    end

    # ActiveResources
    class Post < ActiveResource::Base
      self.site = "http://37s.sunrise.i:3000/"
    end

    class Comment < ActiveResource::Base
      self.site = "http://37s.sunrise.i:3000/posts/:post_id/"
    end

    @post     = Post.find 5
    @comments = Comment.find :all, :post_id => @post.id

    @comment  = Comment.new({:body => ''hello world''},
{:post_id => @post.id})
    @comment.save

One thought I''ve had is splitting the prefix options from the
attributes automatically.

  @comment  = Comment.new({:body => ''hello world''},
{:post_id => @post.id})
becomes
  @comment  = Comment.new(:body => ''hello world'', :post_id
=> @post.id)

Obviously, ActiveResource is still very raw.  I wouldn''t advise
it''s
use unless you''re going to keep on top of its development.  If this
prefix stuff works, here are a few ideas I had on extending it:

    class Post < ActiveResource::Base
      self.site = "http://37s.sunrise.i:3000/"
      has_many :comments
    end

    class Comment < ActiveResource::Base
      belongs_to :post # sets site/prefix from post
    end

    @post.comments.create(:body => ''....'')

    @comment.post.title

Feel free to poke around and let us know what you think.  Keep in
mind, ActiveResource isn''t a general XML web service framework. 
It''s
merely the client version of simply_restful.  Think of it as an added
bonus for following the restful conventions.

-- 
Rick Olson
http://weblog.techno-weenie.net
http://mephistoblog.com
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