Hypermedia IRL

on YouTube ↗47m

" summary

Cosium explains migrating REST level 2 APIs to hypermedia (REST level 3) using Spring HATEOAS on the server and Ketting.js in the browser, with HAL and HAL Forms to publish links and action templates. The approach returns entity models with affordances so business rules stay on the backend and clients follow templates instead of hardcoded sequences; performance is addressed via Prefer: return=minimal and a “void affordance” workaround to keep clients simple and permission-aware.

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" chapters (9)

1. 0:00Introduction to Hypermedia
2. 2:06REST origins and levels
3. 11:36REST level 2 vs Hypermedia
4. 14:25Building a Hypermedia endpoint
5. 18:58Entity model and business complexity
6. 24:59Consuming with Ketting.js
7. 28:58Live demo
8. 32:13Hypermedia pros and cons
9. 40:50Q&A

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