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Architecting ecommerce
- 1. Architecting E-‐‑Commerce David Henner github.com/drhenner @drhenner www.ror-e.com
- 4. ror-‐‑e.com
- 11. Make it work as one Inventory Merchandising Cart Orders Shipping Returns
- 13. Truth is I just like Tom Cruise
- 14. NOT This is the time you need to ask and educate.
- 15. Talking Points • Time Frame • Admin Areas • Expectations • What is MVP • How much are you going to Pay me? • … • Educate
- 16. Make it work as one Don’t Over Engineer This slogan does not give you an excuse!
- 17. Common Issues Everything is an after-thought Shipping Returns Coupons buy one get one Marketing Low-stock Security Password Reset
- 18. Common Issues Cart knows too much about the Order
- 19. Common Issues Order doesn’t model correctly to take Shipping or returns into account
- 20. Common Issues Order needs to be immutable at the time of purchase
- 21. Inventory Good Starting point Solution depends on your business model
- 24. Inventory • Transactional • Quantity determined in SQL • NOT just Quantity available • Inventory is its own model (NOT just a number)
- 25. Inventory Option 1 • id • count_on_hand • count_pending_to_customer • count_pending_from_supplier
- 26. Inventory Option 1 (checkout)
- 27. Inventory Option 1 (&shipping)
- 28. Inventory Lifecycle • @ authorization => o Add count_pending_to_customer • @ Shipment (payment) o Subtract count_on_hand o Subtract count_pending_to_customer • @ Return & restock o Add count_on_hand • @ Return & no restock o Do Nothing • Purchase Order (not discussed) o Add count on hand • Manual adjustments o Need a system that allows count_on_hand to be adjusted (things in stock break)
- 29. Inventory Option 1 • DO NOT USE MATH IN RUBY • SQL MATH!!!
- 30. Inventory Option 1 (advantages) • Easy to implement • No need to “cleanup”
- 31. Inventory Option 1 (disadvantages) • Best to have a safety low stock buffer • Possible to be in checkout and customer loses the item
- 32. Inventory Option 2 • id • Product_id (or variant) • cart_item_id • order_item_id • status • locked_at
- 34. Inventory Option 2 (advantages) • Great for FLASH sale sites • Can ensure you do NOT sell more items than you have • Great for etsy style sites
- 35. Inventory Option 2 (disadvantages) • Rescue if locking fails • Free up inventory if customer goes away • One row in DB per item in inventory
- 38. The CART The Cart and your Order are two different Objects!
- 39. The CART The Cart and your Order are two different Objects!!!!!!!!!!!!!!!!!!!!!!
- 40. The CART • Is Stupid • Is Simple • Is non-deletable (martketing) • Can be archived
- 41. The CART Items • Id • User_id (not required) • Cart_id (in session) • Product_id (variant_id) • Quantity • Status (wish_list, cart, deleted…)
- 42. The CART
- 43. The CART NOTE: add_product method • Make sure you have enough Inventory to add to the cart
- 44. The Checkout • SECURITY! • 20 minute auto-logout • SSL • Encrypt Secure Data • Do NOT store CC’s
- 45. The Checkout • At the start of the Checkout is when the “cart” => “order”
- 46. The Checkout
- 47. The CART
- 48. The Checkout Order Item DOES NOT HAVE QUANTITY!
- 49. The Checkout
- 50. The Checkout
- 51. The Checkout
- 52. The Checkout
- 53. The Checkout
- 54. The Checkout Out of context of talk
- 55. The Checkout
- 56. The Checkout
- 57. The Checkout Payment == Authorized Most of the time
- 59. The Checkout The Order is now Immutable! (only status can change)
- 61. Shipping
- 62. Shipping
- 63. Shipping
- 64. Returns • RMA (Return Merchandise Authorization) • Return Item o Condition o Reason
- 65. Returns
- 67. More • Accounting • Addresses (immutable) • Coupons • Deals (bye one get one free) • Sales • Marketing o Retargeting pixels o Track users progression o Upsell with recommendation Engines • All CC processors are not ===
- 69. Marketing • Recommendation Engines o GEM - Recommendable o GEM - Recommendify • Track Users o GEM - Ahoy o Google analytics o Mixpanel o kissmetrics
- 70. Architecting E-‐‑Commerce David Henner github.com/drhenner @drhenner www.ror-e.com