many changes

app/controllers/suppliers/product_categories_controller.rb

@@ -4,7 +4,7 @@ module Suppliers
     # GET /product_categories
     # GET /product_categories.json
     def index
-      @product_categories = current_supplier.product_categories
+      @product_categories = current_supplier.product_categories.sort_by(&:position)
 
       respond_to do |format|
         format.html # index.html.erb
@@ -83,5 +83,14 @@ module Suppliers
         format.json { head :no_content }
       end
     end
+
+    # POST /supplier/product_categories/sort
+    #   params ~= product_category: ['abc', 'def', 'another id', ...]
+    def sort
+      @product_categories = ProductCategory.find(params[:product_category])
+      1.upto(@product_categories.size){|i| @product_categories[i-1].position = i}
+      CouchPotato.database.couchrest_database.bulk_save(@product_categories)
+      render nothing: true
+    end
   end
 end

app/controllers/suppliers/products_controller.rb

@@ -4,7 +4,7 @@ module Suppliers
     # GET /products
     # GET /products.json
     def index
-      @products = current_supplier.products
+      @products = ProductDecorator.decorate(current_supplier.products)
 
       respond_to do |format|
         format.html # index.html.erb
@@ -15,7 +15,7 @@ module Suppliers
     # GET /products/1
     # GET /products/1.json
     def show
-      @product = Product.find(params[:id])
+      @product = ProductDecorator.find(params[:id])
 
       respond_to do |format|
         format.html # show.html.erb
@@ -27,7 +27,6 @@ module Suppliers
     # GET /products/new.json
     def new
       @product = Product.new
-      @product.product_category_id = params[:product_category_id].presence
 
       respond_to do |format|
         format.html # new.html.erb