Emil Marceta's talk at RailsConf 2008 (E-xact Transactions Ltd.)

1. Payments On Rails
E-xact Transactions
(emil@e-xact.com)

2. <introduction>
Hello

3. E-xactly, who?

4. Payment Processor

5. 1-866-733-8613.
Vancouver, BC

7. :founded => 1999,
:per_year => 3B.dollars,
:team => (2..8)

8. Me?

9. About
</introduction>

10. <exactonrails>
Merchants
|
E-xact
|
Payment Network

11. special
&&
!special

12. “Non-special”
• Standard Rails platform
• Plugins - Solr, cache_fu, will_paginate etc.
• Capistrano / Webistrano
• SQL Backend

13. Apache Proxy
(mod_security, mod_proxy_balancer,...)
|
|||
lighttpd/fastcgi
Rails

14. “Special”
• Mission Critical Financial services
• High Volume Transactions Processing
• Rails to the “Enterprise”

15. “Big Rewrite”

16. Win32 (.NET)

17. Why Rails?

18. 2006

19. 2006 Fall

20. 2007 Spring

21. Migrated 5K Customers

22. Customers

23. RPM

24. Primary Provider For
</exactonrails>

25. <api>
api.e-xact.com

26. gem install exact4r

27. # build a purchase request
request = Exact::Request.new({
:transaction_type => quot;00quot;, # purchase
:amount => 10.50,
:cardholder_name => quot;Simon Brownquot;,
:cc_number => quot;4111111111111111quot;,
:cc_expiry => quot;1005quot;, # MUST be YYMM format
:gateway_id => quot;XXXXXXXquot;, # which gateway to submit the request to
:password => quot;YYYYYYquot; # your password for that gateway
})
response = request.submit

28. Response
response.transaction_tag # 1234
response.exact_resp_code # quot;00quot;
response.exact_message # quot;Transaction Normalquot;
response.bank_resp_code # quot;00quot;
response.bank_message # quot;APPROVEDquot;

29. :rest || :json || :soap

30. SOAP
(legacy)

31. REST XML
(default)

32. JSON

33. uri = URI.parse('https://api.e-xact.com')
http = Net::HTTP.new(uri.host, uri.port)
req_headers= {
'Content-Type' => 'application/json; charset=utf-8'
}
req = {}
req[:amount] = 100.to_s
req[:cardholder_name] = 'Fred Hanks'
req[:email_address] = 'fred@acme.org'
req[:address] = '2000 Elm street'
req[:cc_number] = '4111111111111111'
req[:cc_expiry] = '0907'
req[:transaction_type] = :purchase
req[:gateway_id] = 'XXXXXX'
req[:password] = 'YYYYYYY'
response = http.request_post(uri.path, req.to_json, req_headers)
res = ActiveSupport::JSON.decode(response)
assert_equal 1, res['transaction_approved'], res.inspect

34. Transaction set
• Purchase
• Refund
• Pre-authorization, completion
• Void
• Debit
• ....

35. Tagged Transaction

36. API
|
Cardholder Data
|
E-xact
</api>

37. <payment_pages>
Payment Pages

39. $ rails store
create
create app/controllers
create app/helpers
create app/models
create app/views/layouts
create config/environments
create config/initializers
create db
create doc
create lib
create lib/tasks
create log
....

40. $ ./script/install active_merchant
(http://activemerchant.org)

41. patch -p0 < am.patch
(http://www.e-xact.com/developers/downloads/#ActiveMerch)

43. Merchant Site
|
checkout.e-xact.com
|
Cardholder Data
</payment_pages>

44. Summary

45. Questions?

46. Contact