creating sync with billing

app/controllers/eis_billing/payment_status_controller.rb

@@ -3,19 +3,20 @@ module EisBilling
     TYPE = 'PaymentOrders::EveryPay'.freeze
 
     def update
-      payment_status = define_payment_status(params[:payment_state])
       invoice = Invoice.find_by(number: params[:order_reference])
 
-      return if invoice.paid?
+      if invoice.paid?
+        render json: { message: 'Invoice already paid' }, status: :ok
+      else
+        invoice.process_payment(
+          payment_type: TYPE,
+          everypay_response: params,
+          payment_status: define_payment_status(params[:payment_state]),
+          sum: params[:standing_amount],
+          transaction_time: params[:transaction_time]
+        )
 
-      bank = create_bank_transfer(invoice: invoice, sum: params[:standing_amount], paid_at: params[:transaction_time])
-      create_payment_order(invoice: invoice, everypay_response: params, payment_status: payment_status)
-      bank.bind_invoice(params[:order_reference])
-
-      respond_to do |format|
-        format.json do
-          render status: :ok, content_type: 'application/json', layout: false, json: { message: 'ok' }
-        end
+        render json: { message: 'Payment is proccessing' }, status: :ok
       end
     end
 
@@ -26,30 +27,5 @@ module EisBilling
 
       :failed
     end
-
-    def create_payment_order(invoice:, everypay_response:, payment_status:)
-      payment = PaymentOrder.new
-      payment.type = TYPE
-      payment.invoice = invoice
-      payment.response = everypay_response
-      payment.status = payment_status
-      payment.save
-
-      payment
-    end
-
-    def create_bank_transfer(invoice:, sum:, paid_at:)
-      bank = BankTransaction.new
-      bank.description = invoice.order
-      bank.reference_no = invoice.reference_no
-      bank.currency = invoice.currency
-      bank.iban = invoice.seller_iban
-      bank.sum = sum
-      bank.paid_at = paid_at
-      bank.buyer_name = invoice.buyer_name
-      bank.save
-
-      bank
-    end
   end
 end