removed redundant ribica name from subfolders

back-office/app/models/category.rb

@@ -0,0 +1,4 @@
+class Category < ActiveRecord::Base
+  has_many  :sub_categories
+  belongs_to :section
+end

back-office/app/models/item.rb

@@ -0,0 +1,7 @@
+class Item < ActiveRecord::Base
+  belongs_to :unit
+  has_many :multi_media_descriptions
+  belongs_to :sub_category
+
+  validates_presence_of :name, :description, :list_price, :current_input_price, :tags, :unit_id, :code, :sub_category_id
+end

back-office/app/models/media_type.rb

@@ -0,0 +1,3 @@
+class MediaType < ActiveRecord::Base
+  has_many :multi_media_descriptions
+end

back-office/app/models/multi_media_description.rb

@@ -0,0 +1,4 @@
+class MultiMediaDescription < ActiveRecord::Base
+  belongs_to :item
+  belongs_to :media_type
+end

back-office/app/models/section.rb

@@ -0,0 +1,3 @@
+class Section < ActiveRecord::Base
+  has_many :categories
+end

back-office/app/models/sub_category.rb

@@ -0,0 +1,5 @@
+class SubCategory < ActiveRecord::Base
+  belongs_to :category
+  has_many :items
+  
+end

back-office/app/models/unit.rb

@@ -0,0 +1,2 @@
+class Unit < ActiveRecord::Base
+end