model add scope

app/models/product.rb

@@ -115,16 +115,13 @@ class Product < ActiveRecord::Base
     def after_destroy
         clean_share_img
     end
-    mer=""
+
     def gross_interest_rate
         rate = 0
         if self.buy_price != 0 && self.price != 0
             rate = (( self.price.to_f - self.buy_price.to_f )/self.buy_price.to_f)*100
         end
-        mer=field :gross_interest_rate do
-            formatted_value{bindings[:object].current_admin_user.email}
-        end
-        return mer
+        return rate
     end
 
     rails_admin do 
@@ -133,18 +130,6 @@ class Product < ActiveRecord::Base
 
         list do
 
-=begin
-            #field :gross_interest_rate do
-                visible false
-                formatted_value{bindings[:view].current_admin_user.email}
-                if strs.length==0
-                    strs=formatted_value{bindings[:view].current_admin_user.email}
-                end
-            end
-=end
-            puts 1233334
-            puts mer
-
             scopes [:inactive]
             filters [:id,:detail,:status,:name]
 
@@ -172,7 +157,7 @@ class Product < ActiveRecord::Base
             #field :robo_balance_price
             field :user_sale_price
             # field :buy_price
-            field :gross_interest_rate
+            #field :gross_interest_rate
             field :count
             field :recommend
             field :status