= Activeresource-response

This gem adds possibility to access http response object from result of activeresource call (see ActiveResource::Base#find)

== Why It can be used?
Such functionallity can be used for easily implementing pagination in a REST API so that an ActiveResource client can navigate paginated results.

== How to use?
Add dependency to your Gemfile

  gem "activeresource-response", "~> 0.0.3"

Just open your ActiveResource class and add 
 
  add_response_method :your_method_name

== Full example of usage with kaminari gem

Rest Client

  class Order < ActiveResource::Base
    self.format = :json
    self.site = 'http://0.0.0.0:3000/'
    self.element_name = "order" 
    add_response_method :http_response  # our new method
  end

Server Side

  class OrdersController < ApplicationController
    def index
      @orders = Order.page(params[:page]).per(params[:per_page])
      response.headers["X-total"] = @orders.total_count.to_s
      response.headers["X-offset"] = @orders.offset_value.to_s
      response.headers["X-limit"] = @orders.limit_value.to_s
      respond_with(@orders)
    end
  end

Client Side

  class OrdersController < ApplicationController
    def index
      orders = Order.all(:params=>params)     
      @orders = Kaminari::PaginatableArray.new(
        orders,{
                :limit => orders.http_response['X-limit'].to_i,
             	:offset =>orders.http_response['X-offset'].to_i,
             	:total_count => orders.http_response['X-total'].to_i
        }) 
    end
  end