Authorize Net SIM gateway transaction skips merchant side creditcard details form and directs transaction to be take place on gateway server.
# Gemfile
gem 'authorize-net'
Register for authorize net sandbox account click here
Payment gateway credentials
# config/gateway.yml
development: &development
mode: test
login: 9gdLh6T
key: 67fu45xw6VP92LX1
production:
<<: *development
test:
<<: *development
Generate & Migrate Payment Model
rails g model payment status:string amount:float transaction_number:string
rake db:migrate
SIM gateway methods extracted and added to payment model
# app/models/payment.rb
class Payment < ActiveRecord::Base
PROCESSING, FAILED, SUCCESS = 1, 2, 3
validates :amount, :presence => true, :numericality => { :greater_than => 0 }
def self.conf
@@gateway_conf ||= YAML.load_file(Rails.root.join('config/gateway.yml').to_s)[Rails.env]
end
def success?
self.status == SUCCESS
end
## Authorize :: SIM
def setup_transaction(options ={})
options.merge!(:link_method => AuthorizeNet::SIM::HostedReceiptPage::LinkMethod::POST)
t = AuthorizeNet::SIM::Transaction.new(
auth['login'], auth['key'], amount,
:hosted_payment_form => true,
:test => auth['mode']
)
t.set_hosted_payment_receipt(AuthorizeNet::SIM::HostedReceiptPage.new(options))
return t
end
def auth
self.class.conf
end
end
Payment routes
## Callback URL
match '/billing/:id/confirm', :to => 'billing#authorize', :as => :confirm_billing
## Request URL
match '/billing/:id', :to => 'billing#checkout', :as => :billing
match '/billing/:id/thank_you', :to => 'billing#thank_you', :as => :thank_you_billing
Billing controller
# app/controllers/billing_controller.rb
class BillingController < ApplicationController
helper :authorize_net
before_filter :get_order, :only => [:checkout, :authorize, :thank_you]
def checkout
# ASSUMPTION order is valid means amount is entered
@transaction = @order.setup_transaction(
{:link_text => 'Continue',
:link_url => confirm_billing_url(@order)})
end
## CALL BACK
def authorize
resp = AuthorizeNet::SIM::Response.new(params)
if resp.approved?
@order.status = Payment::SUCCESS
@order.transaction_num = resp.transaction_id
else
@order.status = Payment::FAILED
end
@order.save(:validate => false)
redirect_to thank_you_billing_url(@order)
end
private
def auth
Payment.conf
end
def get_order
@order = Payment.find_by_id(params[:id])
@order && @order.valid? || invalid_url
end
end
Views Forms
# app/views/billing/checkout.html.haml
= form_for :sim_transaction, :url => AuthorizeNet::SIM::Transaction::Gateway::TEST, :html => {:id => :authForm} do |f|
= sim_fields(@transaction)
:javascript
$(document).ready(function(){
$('#authForm').submit();
})
# app/views/billing/thank_you.html.haml
- if @order.success?
%p The transaction is successfully completed
- else
%p The transaction failed
