Return same format as requests for JSON errors in Phoenix

Question

I currently have a Phoenix application that has both JSON and HTML endpoints.

I would like to return the errors that are the most appropriate for the given request, but it always defaults to the render("XXX.html, _) function even when the request's format is application/json.

Is there a way to return JSON for requests of type application/json and HTML for everything else?

That should get you started -> hexdocs.pm/phoenix/Phoenix.Controller.html#get_format/1 — NoDisplayName
– NoDisplayName, Commented Jul 8, 2017 at 19:36
yeah, but the error render function doesn't give you the connection i thought... — theaustinseven
– theaustinseven, Commented Jul 8, 2017 at 20:02

carpamon · Accepted Answer · 2017-07-08 22:13:20Z

1

You may wanna check the render_errors option (see docs) in your config.exs file and add the json format as well as html.

config :my_app, MyApp.Endpoint,
  # ...
  render_errors: [view: MyApp.ErrorView, accepts: ~w(html json)]

Also, be sure to be sending the appropriate Accept header.

answered Jul 8, 2017 at 22:13

carpamon

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1 Comment

theaustinseven Over a year ago

The Accept header wasn't set. Thanks.

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