update customer and ability

app/models/customer.rb

@@ -146,9 +146,10 @@ class Customer < ApplicationRecord
       if sale.customer.membership_id
           response = self.rebat(Sale.find(sale.sale_id))
            #record an payment in sale-audit
+           if !response.nil?
             remark = "UPdate Rebate Response - #{response} for Customer #{sale.customer_id} Sale Id [#{sale.sale_id}]| pay amount -> #{sale.amount_received} "
             sale_audit = SaleAudit.record_paymal(sale.sale_id, remark, 1)   
-
+          end
            if response["status"] == true
              status   = sale.update_attributes(rebate_status: "true")
            end
@@ -159,8 +160,9 @@ class Customer < ApplicationRecord
   def self.rebat(sObj)
     rebate_prices,campaign_method = SaleItem.calculate_rebate_by_account(sObj.sale_items)
     generic_customer_id = sObj.customer.membership_id
-    if generic_customer_id.present?
 
+        
+    if generic_customer_id.present?
       paypar     = sObj.sale_payments
       payparcost = 0
       credit     = 0
@@ -171,6 +173,7 @@ class Customer < ApplicationRecord
         end
         if pp.payment_method == "creditnote"
           credit = 1
+          sObj.update_attributes(rebate_status: nil)
         end
       end
       # overall_dis = SaleItem.get_overall_discount(sObj.id)
@@ -287,6 +290,7 @@ class Customer < ApplicationRecord
         end
       end
     else
+      puts "no Response"
        response = { "status": "no_member", "message": "Not membership"}  
     end
   end