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# This module allows you to prepend a version prefix to your Sinatra URLs
# Example:
#
# require 'rubygems'
# require 'sinatra/base'
#
# class App < Sinatra::Base
#   register Versioned
#
#   set :version, 'v1'
#   
#   # => GET /v1/hello
#   get '/hello' do
#     'This is a GET for version' + options.version.inspect
#   end
#   
#   # => POST /v1/hello
#   post '/hello' do
#     'This is a POST for version ' + options.version.inspect
#   end
#   
# end


module Versioned
  
  def post(*args, &block)
    super *versioned_route(args), &block
  end
  
  def get(*args, &block)
    super *versioned_route(args), &block
  end
  
  def put(*args, &block)
    super *versioned_route(args), &block
  end
  
  def delete(*args, &block)
    super *versioned_route(args), &block
  end

  protected
  
  def versioned_route(args)
    args[0] = "/#{version}#{args[0]}"
    args
  end
end