The Joys and Pains of Working with an Old Codebase

Transcript

1. The Joys and Pains of Working With An Old Codebase Gordon Diggs BACON 2014
2. The Joys and Pains of Working With An Old Codebase Gordon Diggs BACON 2014
3. if  total_guests  ==  150  &&  total_guests  +  1  ==  151      ...   end  
4. Outline About Me Introduction to our codebase Adding features Executing refactors Tools we use The joys
5. @gordondiggs Record Collector
6. @gordondiggs Baker / Cook
7. @gordondiggs Baker / Cook #devslovebaking
8. @gordondiggs New York City Resident
10. "I have always found that plans are useless but planning is indispensable." - Dwight D. Eisenhower
11. The Codebase Ruby 2.1 Rails 2.3 Postgres, Redis, Memcached Started in 2008 60 contributors ~128k lines of application code
12. #TODO:  redo  this
13. How to add features
14. 1. Plan out the feature
15. 1. Plan out the feature Have developers involved in the planning
16. 1. Plan out the feature Have developers involved in the planning ! Let your unique development concerns be known
17. 1. Plan out the feature Have developers involved in the planning ! Let your unique development concerns be known ! Make it a conversation
18. 2. Do a technical kick-off
19. 2. Do a technical kick-off What new data models do we need? ! What needs to be refactored? ! What might the challenges be?
20. 3. Be prepared to do something else entirely
21. 4. Write lots of tests, especially for things that already exist
22. 5. Document Things
23. Build awesome things
24. #  because  the  "update_attributes!"  does  not  behave  as  expected,  we  need   this     def  update_attributes_is_broken_with_nested_attribute_validations_in_rails      ...   end  
25. How to execute refactors
26. Treat them like features
27. 1. Plan out the refactor
28. 2. Do a technical kick-off
29. 3. Write lots of tests, especially for things that already exist
30. 4. Document Things
31. Build awesome things
32. Tools we use (and love)
41. Peter Welch - Programming Sucks stilldrinking.org/programming-sucks
42. The Joys
43. Get to fix lots of bugs
44. Get to fix lots of interesting bugs
45. Give time to fix the bugs
46. Treat your codebase like a campsite
47. Build awesome things
48. Thank you! @gordondiggs Special Thanks to: Mike Bernstein, Michael Hansen, Solomon Kahn, Alan Macdougall, Aaron Quint, Todd Mazierski, Justin Searls, Stephanie Shih, Alyssa Stein