we need less layers, not more

Transcript

1. We need less layers, not more powered by Rails Radamés Roriz Principal Engineer @ Revelo tropical.rb
2. 2 Keep it simple as a lifestyle Radamés Roriz Principal Engineer @ Revelo
3. 3 Keep it simple as a lifestyle We need this button? (👎by design team) Radamés Roriz Principal Engineer @ Revelo
4. 4 Keep it simple as a lifestyle We need this button? (👎by design team) What if we remove this store? (👎 by frontend team) Radamés Roriz Principal Engineer @ Revelo
5. 5 Keep it simple as a lifestyle We need this button? (👎by design team) What if we remove this store? (👎 by frontend team) We should delivery this task later. (👎by product team) Radamés Roriz Principal Engineer @ Revelo
6. 6 Keep it simple as a lifestyle We need this button? (👎by design team) What if we remove this store? (👎 by frontend team) We should delivery this task later. (👎by product team) W hat happens if we rem ove the database norm alization? (👎 by backend team ) Radamés Roriz Principal Engineer @ Revelo
7. 7 Keep it simple as a lifestyle We need this button? (👎by design team) What if we remove this store? (👎 by frontend team) We should delivery this task later. (👎by product team) W hat happens if we rem ove the database norm alization? (👎 by backend team ) For what we save this data? (👎by data team) Radamés Roriz Principal Engineer @ Revelo
8. 8 Keep it simple as a lifestyle We need this button? (👎by design team) What if we remove this store? (👎 by frontend team) We should delivery this task later. (👎by product team) W hat happens if we rem ove the database norm alization? (👎 by backend team ) For what we save this data? (👎by data team) We need to refactor this. (👎 by CTO) Radamés Roriz Principal Engineer @ Revelo
9. 01 Case Study tropical.rb
11. 11 tropical.rb Current layers view controller model
15. 15 tropical.rb 1. Existing Code Layers Generate Count Value use_case repository jobs decorators handlers services models UseCase Orchestration and business logic Service model manipulation and rules Decorator additional functionality to existing model or objects
16. 16 tropical.rb view controller model + custom column 2. Existed code layers Using the count value
18. 18 tropical.rb Propose view controller model + counter_cache
19. 02 Overlaying Reasons tropical.rb
20. 20 1. Fear of Technical Debt
21. 21 1. Fear of Technical Debt Refactoring
22. 22 2. Desire for Ownership
23. 23 2. Desire for Ownership Team building
24. 24 3.Overestimating customization needs
25. 25 3.Overestimating customization needs Product point of view
26. 26 4. Hype tech
27. 27 4. Hype tech planning
28. 28 tropical.rb Solutions for complexity Planning Product point of view Team building Refactoring
29. 03 right-sized layering tropical.rb
30. 30 tropical.rb Complex feature consumers use_case repository view jobs controllers adapters decorators handlers services models publishers
31. 31 tropical.rb Complex feature -- consumers use_case repository view jobs controllers adapters decorators handlers services models publishers
32. 32 tropical.rb Rich feature use_case view controllers decorators services models publishers
33. 33 tropical.rb Rich feature -- use_case view controllers decorators services models publishers
34. 34 tropical.rb Common feature view controllers services models
35. 35 tropical.rb Common feature -- view controllers services models
36. 36 tropical.rb Simple feature view controllers models
37. 37 tropical.rb Simple feature view controllers models
38. 04 Complexity Over Time tropical.rb
39. 39 tropical.rb Expected Backend structure complex Rich Common Simple
40. 40 tropical.rb Solutions for complexity Planning Product point of view Team building Refactoring
41. 41 tropical.rb Choose your complexity Planning complex Rich Common Simple
42. 42 tropical.rb Choose your complexity Team building complex Rich Common Simple
43. 43 tropical.rb Choose your complexity Product point of view new behaviors complex Rich Common Simple
44. 44 tropical.rb refactor Choose your complexity Refactoring complex Rich Common Simple
45. 45 tropical.rb refactor Choose your complexity Refactoring complex Rich Common Simple
46. 06 Right place Right time tropical.rb
48. 48 Rails features part 1 1 3 2 Action Cable Polymorphic Associations strict_loading
49. 49 Rails features part 2 4 6,7,8… 5 CSRF + Sanitization Direct Uploads CurrentAttributes solid_queue Cache Digests
50. We have a propensity to make things more complicated than they need to be. tropical.rb Radamés Roriz Principal Engineer @ Revelo