progress and end of day commit

app/models/product.rb

@@ -3,7 +3,7 @@ class Product
 
   property :name
   property :code
-  property :price
+  property :price, type: Float
 
   belongs_to :product_category
   belongs_to :supplier # direct! category is an aid

app/models/product_category.rb

@@ -2,6 +2,11 @@ class ProductCategory
   include SimplyStored::Couch
 
   property :name
+  property :position, type: Fixnum, default: 0
+
   belongs_to :supplier
   has_many :products 
+
+  validates :position, numericality: true
+  validates :supplier_id, presence: true
 end