Update payment.rb

app/models/payment.rb

@@ -18,11 +18,25 @@ class Payment
   validates :total_amount, numericality: true
 
   def save
-    # TODO Save the payment
+    payment = Quickbooks::Model::Payment.new
+    
+    payment.customer_ref = Qbo.get_base(:account).service.fetch_by_id(@customer_id)
+    
+    payment.deposit_to_account_ref = Qbo.get_base(:account).service.fetch_by_id(@account_id)
+    
+    payment.payment_method_ref = Qbo.get_base(:payment_method).service.fetch_by_id(@payment_id)
+    
+    payment.total = @total_amount
+    
+    begin
+      Qbo.get_base(:payment).service.update(payment)
+    rescue Exception => e
+      @errors.add(e.message)
+    end
   end
   
   def save!
-    # TODO Save! the payment
+    save
   end
 
   # Dummy stub to make validtions happy.