I currently have a working Phoenix application with a well-defined set of routes. Each route roughly implements a CRUD interface, and the bulk of the code was generated using phx.gen.html. What is the best practice around adding similar routes for a JSON API?

Yes - Use the --no-context and --no-schema flags. Like this: mix phx.gen.json Accounts User users --no-context --no-schema This will look in lib/proj/accounts/user.ex and generate a JSON api route for the schema defined at that file. It will not try to recreate a context module nor a new schema T…

Thanks. I should have been more specific. Can I reuse the existing schemas, and only create API routes?

I would say you definitely want to reuse the existing schemas. In your views you can determine what you return in the JSON response. So if there are values you don’t want to return, don’t include them in the response. If there values from different schemas you want to return in the same response, yo…

schemas yes, contextes yes… but You will need to create controllers, fallback_controller, views as well. another options would be to use graphql. You could reuse almost everything, You just need to add graphql schemas

Doing as the accepted solution today will overwrite the phx.gen.html controller file. The json controller will be missing methods as new/2, edit/2. and the remaining create/2, update/2, delete/2 will lose the error render. I think the solution is to also use the --web parameter, but it doesn’t seem…

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Adding JSON api to existing Phoenix application

Questions & Help Questions

JohnnyCurran June 20, 2022, 10:41pm 2

mix phx.gen.json mix phx.gen.json — Phoenix v1.8.8