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1 Mendeley The Story of the Mendeley API Joyce  Stack  /  @MendeleyStack
World of Researchers 2 5 Build institutional Reputation showcase Impact find & win Grants Promote research expand Institut...
Vision 3
4 The Mendeley API
5 Background No. You can’t have that.
6 “No we can’t add more users” “No we can’t add a column to that table” “No we can’t do realtime sync” “No”
Monolith 7
8 Tackling the monolith. We’re going on a dig.
What did we find? • Different methodologies • Custom MVC framework • FIXMEs and TODOs • Spaghetti junction of code • D...
10 Bargaining Maybe we can live with it, we can cope.
11 Problems • 7 years organic growth • No independent release cycles • Inconsistent standards • Eternal version 1 • A...
12 Depression What’s the point? It’s doooooooomed!
13 Acceptance Just deal with it.
Everything Connected 14
Reality • Your first client will hate you • You won’t make them care about the new API • You will compromise on design ...
16 API v1 Rebirth.
Birth of API v1 • Consuming clients • Quick deployments • Versioning • Dog fooding • A dev portal • SDKs 17
18 Final Thoughts The lessons learned bit.
Final Thoughts • Focus people on the long term • Software is not an asset • Make services disposable • Recognise when i...
Final final thought • Kübler-Ross model of grief • “It’s fine. It’s not too bad” • “Who can I blame?” • “Maybe we can l...
Thank you 21 • Find me on Twitter @MendeleyStack
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APIStrat & APIDays Berlin 2015

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Mendeley's story of how an API helped them carve out a monolith technical stack. This talk gives you some of the realities of learning RESTful APIs and retrograding features.

Lessons from the Trenches.

Published in: Technology
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APIStrat & APIDays Berlin 2015

  1. 1. 1 Mendeley The Story of the Mendeley API Joyce  Stack  /  @MendeleyStack
  2. 2. World of Researchers 2 5 Build institutional Reputation showcase Impact find & win Grants Promote research expand Institutional network Fulfil Administrative duties Imposing researchers with many challenges & KPI’s Doing Research But how about my PASSION?
  3. 3. Vision 3
  4. 4. 4 The Mendeley API
  5. 5. 5 Background No. You can’t have that.
  6. 6. 6 “No we can’t add more users” “No we can’t add a column to that table” “No we can’t do realtime sync” “No”
  7. 7. Monolith 7
  8. 8. 8 Tackling the monolith. We’re going on a dig.
  9. 9. What did we find? • Different methodologies • Custom MVC framework • FIXMEs and TODOs • Spaghetti junction of code • Dead code 9
  10. 10. 10 Bargaining Maybe we can live with it, we can cope.
  11. 11. 11 Problems • 7 years organic growth • No independent release cycles • Inconsistent standards • Eternal version 1 • API != product • API with no client • Privileged citizens
  12. 12. 12 Depression What’s the point? It’s doooooooomed!
  13. 13. 13 Acceptance Just deal with it.
  14. 14. Everything Connected 14
  15. 15. Reality • Your first client will hate you • You won’t make them care about the new API • You will compromise on design • Your client will have specific behaviour • You will feel REST symmetry pain • You will feel that it’s never ending 15
  16. 16. 16 API v1 Rebirth.
  17. 17. Birth of API v1 • Consuming clients • Quick deployments • Versioning • Dog fooding • A dev portal • SDKs 17
  18. 18. 18 Final Thoughts The lessons learned bit.
  19. 19. Final Thoughts • Focus people on the long term • Software is not an asset • Make services disposable • Recognise when it’s too big • Recognise client pain 19
  20. 20. Final final thought • Kübler-Ross model of grief • “It’s fine. It’s not too bad” • “Who can I blame?” • “Maybe we can live with it” • “It’s too big a problem. Doomed” • “Might as well get on with it” 20 denial anger bargaining depression acceptance
  21. 21. Thank you 21 • Find me on Twitter @MendeleyStack

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