main_controller.rb

class MainController < ApplicationController
  require 'hashie'
  
  def index
    @json_text = <<END
{
    "metadata": {
        "category": {
            "id": "women",
            "name": "Women's Fashion"
        },
        "showSizeFilter": false,
        "showColorFilter": true,
        "offset": 0,
        "limit": 20,
        "total": 974184
    },
    "products": [
        {
            "id": 377083005,
            "name": "BCBGeneration Women's Contrast Sleeve Trench",
            "currency": "USD",
            "price": 168,
            "priceLabel": "$168.00",
            "salePrice": 106.43,
            "salePriceLabel": "$106.43",
            "inStock": true,
            "retailer": {
                "id": "849",
                "name": "Amazon.com",
                "url": "http://www.shopstyle.com/browse/Amazon.com-US?pid=uid9616-726296-93"
            },
            "locale": "en_US",
            "description": "This jacket features contrasting leather sleeves",
            "brand": {
                "id": "51",
                "name": "BCBG MAX AZRIA",
                "url": "http://www.shopstyle.com/browse/BCBG-MAX-AZRIA?pid=uid9616-726296-93"
            },
            "clickUrl": "http://api.shopstyle.com/action/apiVisitRetailer?id=377083005&pid=uid9616-726296-93",
            "images": [
                {
                    "sizeName": "Small",
                    "width": 32,
                    "height": 40,
                    "url": "http://resources.shopstyle.com/pim/7b/28/7b2894c203529b0956cdd6b760629d4a_small.jpg"
                },
                {
                    "sizeName": "Medium",
                    "width": 112,
                    "height": 140,
                    "url": "http://resources.shopstyle.com/pim/7b/28/7b2894c203529b0956cdd6b760629d4a_medium.jpg"
                },
                {
                    "sizeName": "Large",
                    "width": 164,
                    "height": 205,
                    "url": "http://resources.shopstyle.com/pim/7b/28/7b2894c203529b0956cdd6b760629d4a.jpg"
                }
            ],
            "colors": [
                {
                    "name": "Chino"
                }
            ],
            "sizes": [
                {
                    "name": "XX-Small"
                },
                {
                    "name": "X-Small"
                }
            ],
            "categories": [
                {
                    "id": "raincoats-and-trenchcoats",
                    "name": "Raincoats & Trenchcoats"
                }
            ]
        }
    ]
}
END

def self.prettify(x)
  x.is_a?(Hash) ? Hash[ x.map{|k,v| [k.underscore, prettify(v)]} ] :
  x.is_a?(Array) ? x.map{|v| prettify(v) } : x
end

    response = prettify(JSON.parse(@json_text))
    mashie = Hashie::Mash.new(response)
    
    @products = []
    mashie.products.each do |product|
      @products << product['sale_price']
      # @products << product['salePrice']
    end
  end
end