Story#107571572 prepare workflow for payments with bank

app/controllers/registrar/payments_controller.rb

@@ -0,0 +1,35 @@
+class Registrar::PaymentsController < RegistrarController
+  skip_authorization_check # actually anyone can pay, no problems at all
+  skip_before_action :authenticate_user!, :check_ip, only: [:back]
+  before_action :check_bank
+
+  # to handle existing model we should
+  # get invoice_id and then get reference_number
+  # build BankTransaction without connection with right reference number
+  # do not connect transaction and invoice
+  def pay
+    invoice = Invoice.find(params[:invoice_id])
+
+    render text: "You are trying to pay with #{params[:bank]} for #{invoice.reference_no}"
+  end
+
+  def cancel
+
+  end
+
+  # connect invoice and transaction
+  # both back and IPN
+  def back
+
+  end
+
+  private
+  def banks
+    ENV['payments_banks'].split(",").map(&:strip)
+  end
+
+  def check_bank
+    raise StandardError.new("Not Implemented bank") unless banks.include?(params[:bank])
+  end
+
+end