At outthink we built an internal App to help with author preorder campaigns. The app made any easy way for authors to setup a email address that would be used for forwarding Reader’s pre order amazon reciepts, that would then add the user to an email list and then send them the pre order bonuses. I built both the backend using PHP, and the frontend using Nextjs. We used graphql to communicate with the server. We used mailgun’s api to forw
I learned how to implement a graphql server in php using wpgraphql, and how to use JSON web tokens. I also learned a lot about what makes a good unit test and what should be a integration test. Knowing which one to use to test a certain behavior made all the difference, when it came to test realiability.