gistfile1.rb

# Bulk API design
# test
# resources :posts
class PostsController < ActiveController::Base
  # GET /posts/1,4,50,90
  # post_url([ @post, @post ])
  def show_many
    @posts = Post.find(params[:ids])
  end

  # PUT /posts/1,4,50,90
  def update_many
    @posts = Post.find(params[:ids])

    Post.transaction do
      @posts.each do |post|
        post.update_attributes!(params[:posts][post.id])
      end
    end
  end
  
  # POST /posts/many
  def create_many
  end

  # DELETE /posts/1,4,50,90
  def destroy_many
  end
end