cart state for item in details page finnaly shows (arrggh worst kind of bugs)

front-api/app.rb

@@ -13,12 +13,18 @@ before do
   content_type :json
   # TODO: before running to production change this so that only specific
   #       domain is allowed
-  headers 'Access-Control-Allow-Origin' => '*', 
-          'Access-Control-Allow-Methods' => ['OPTIONS', 'GET', 'POST']  
-  
+  headers 'Access-Control-Allow-Origin' => 'http://localhost:3001',
+    'Access-Control-Allow-Methods' => ['OPTIONS', 'GET', 'POST','PUT'],
+    'Access-Control-Allow-Headers' => 'Origin, X-Requested-With, Content-Type, Accept',
+    'Access-Control-Allow-Credentials' => 'true'
+
   request.body.rewind
-  json_string = request.body.read 
+  json_string = request.body.read
   @json_params = JSON.parse json_string if json_string.length > 1
+
+  if request.request_method == 'OPTIONS'
+    halt 200
+  end
 end
 
 
@@ -28,5 +34,3 @@ helpers Sinatra::Cookies
 
 
 Dir[File.dirname(__FILE__) + '/controllers/*.rb'].each {|file| require file }
-
-

front-api/controllers/cart.rb

@@ -21,9 +21,13 @@ get '/cart/item' do
   Cart.find_or_create(anonymous_id, -1).item_in_carts.to_json
 end
 
-post '/cart/item' do
+
+update_cart_item = ->() {
   cart_id = Cart.find_or_create(anonymous_id, -1).id
-  item_id = @json_params["item_id"]
-  count = @json_params["count"]
+  item_id = @json_params["item_id"].to_i
+  count = @json_params["count"].to_i
   ItemInCart.update_state(cart_id, item_id, count).to_json
-end
+}
+put '/cart/item', &update_cart_item
+post '/cart/item', &update_cart_item  
+

front-api/models/cart.rb

@@ -1,5 +1,6 @@
 class Cart < ActiveRecord::Base
   has_many :item_in_carts, -> { order "created_at" }
+ 
   def self.find_or_create(anonymous_id, user_id)
     cart = Cart.where(user_id: user_id).where(ordered: false).first
     cart ||= Cart.where(anonymous_id_string: anonymous_id).where(ordered: false).first