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gistfile1.rb
Ruby
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# app/controllers/posts_controller.rb
class PostsController < ApplicationController
before_filter :find_post
protected
def find_post
unless @post = Post.where(:slug => params[:id]).first
# what do we do here?
end
end
end
 
# app/models/post.rb
class Post < ActiveRecord::Base
def to_param
self.slug
end
end

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