Product image and description handling

app/assets/javascripts/supplier/app/models/product.js.coffee

@@ -3,11 +3,16 @@ App.Product = DS.Model.extend
   name: attr 'string'
   price: attr 'number'
   code: attr 'string'
+  description: attr 'string'
   visible: attr('boolean', defaultValue: true)
   position: attr('number', defaultValue: 0)
+  image: attr()
   product_category: DS.belongsTo('product_category')
   product_orders: DS.hasMany('product_order')
 
-  code_or_empty: (->
-    @get('code') or new Ember.Handlebars.SafeString(' ')
-  ).property('code')
+  image_src: (->
+    image = @get('image')
+    return "" unless image
+    return image.small if image.small and typeof(image.small) is "string"
+    image
+  ).property('image')