Rebate Redeem amount detect

app/models/sale_payment.rb

@@ -236,7 +236,19 @@ class SalePayment < ApplicationRecord
   def rebat(sObj)
     food_prices, beverage_prices = SaleItem.calculate_food_beverage(sObj.sale_items)
     generic_customer_id = sObj.customer.membership_id
- 		total_amount = food_prices
+    if generic_customer_id != nil || generic_customer_id != ""
+      paypar = sObj.sale_payments
+      payparcost = 0
+      paypar.each do |pp|
+        if pp.payment_method == "paypar"
+          payparcost = payparcost + pp.payment_amount
+        end
+      end
+   		total_amount = food_prices - payparcost
+      puts "aaaa"
+      puts food_prices
+      puts payparcost
+      puts total_amount
    		receipt_no = sObj.receipt_no
       membership      = MembershipSetting.find_by_membership_type("paypar_url")
       memberaction    = MembershipAction.find_by_membership_type("rebate")
@@ -252,6 +264,7 @@ class SalePayment < ApplicationRecord
 
         puts response.to_json
       end
+  end
 
   private
   def generate_custom_id