Call update_account when you complete an order.

Also had to tweak product.update_account to actually save the account!

app/controllers/orders_controller.rb

@@ -32,9 +32,10 @@ class OrdersController < ApplicationController
     @order = Order.find(params[:id])
 
     @order.completed_at = Time.zone.now
-    # current_member.paid = true # or whatever
     @order.save
 
+    @order.update_account # apply paid account benefits, etc.
+
     respond_to do |format|
       format.html # new.html.erb
     end

app/models/product.rb

@@ -23,6 +23,7 @@ class Product < ActiveRecord::Base
       start_date = member.account.paid_until || Time.zone.now
       member.account.paid_until = start_date + paid_months.months
     end
+    member.account.save
   end
 
 end