I have created this repository: https://github.com/thokari/epages-app-kickstart
It implements this OAuth2 flow: https://developer.epages.com/apps/install-app.html#docs
I wanted to use Java, and create a minimal implementation of this flow with these goals in mind:
- Develop unit and integration tests in a straight forward way
- No heavy framework usage, mostly “explicit” code
- Have some kind of pattern for domain classes, and a straight forward way to validate request data
I would like to get some feedback on these points specifically:
- No usage of any ORM framework, writing custom code to build SQL queries, for example: https://github.com/thokari/epages-app-kickstart/blob/master/src/main/java/de/thokari/epages/app/model/Installation.java#L47-L74
- Mixing Futures with callbacks, especially in this one most important and problematic method: https://github.com/thokari/epages-app-kickstart/blob/master/src/main/java/de/thokari/epages/app/AppInstallationVerticle.java#L41-L94
- Callback hell also in tests: https://github.com/thokari/epages-app-kickstart/blob/master/src/test/java/de/thokari/epages/app/AppInstallationVerticleTest.java#L113-L168
Thank you very much for your time and feedback!
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