credit note payment

app/models/sale_payment.rb

@@ -9,7 +9,6 @@ class SalePayment < ApplicationRecord
   attr_accessor :received_amount, :card_payment_reference, :voucher_no, :giftcard_no, :customer_id, :external_payment_status
 
   def process_payment(invoice, action_by, cash_amount, payment_method)
-
     self.sale = invoice
     self.received_amount = cash_amount
     amount_due = invoice.grand_total
@@ -28,7 +27,7 @@ class SalePayment < ApplicationRecord
         when "cash"
           payment_status = cash_payment
         when "creditnote"
-          if !self.customer_id.nil?
+          if !self.sale.customer_id.nil?
             payment_status = creditnote_payment(self.customer_id)
           end
         when "visa"
@@ -142,7 +141,7 @@ class SalePayment < ApplicationRecord
     self.payment_method = "creditnote"
     self.payment_amount = self.received_amount
     self.customer_id  = self.customer_id
-    self.outstanding_amount = 0 - self.received_amount
+    self.outstanding_amount = 0 - self.received_amount.to_f
     self.payment_status = "outstanding"
     payment_method = self.save!
 
@@ -207,10 +206,7 @@ class SalePayment < ApplicationRecord
     customer_data = Customer.find_by_customer_id(self.sale.customer_id)
     membership_setting = MembershipSetting.find_by_membership_type("paypar_url")
     membership_data = SalePayment.redeem(membership_setting.gateway_url,membership_setting.auth_token,customer_data.membership_id,self.received_amount,self.sale.sale_id)
-    puts 'mmmmmmmmmmmmmmmmmmmmmmmmmmm'
-    puts membership_data.to_json
-    puts "amountttttttttttttttttttttt"
-    puts self.received_amount
+
     if membership_data["status"]==true
       self.payment_method = "paypar"
       self.payment_amount = self.received_amount
@@ -271,8 +267,7 @@ class SalePayment < ApplicationRecord
 
   def rebat(sObj)
     rebate_prices = SaleItem.calculate_rebate_by_account(sObj.sale_items)
-    puts "eeeeeeeeeeeeeeeeeeeeeeee"
-    puts rebate_prices
+
     generic_customer_id = sObj.customer.membership_id
     if generic_customer_id != nil || generic_customer_id != "" || generic_customer_id != 0
       paypar = sObj.sale_payments