Re: getting "@attribute is not defined yet" trying to use base_params

[Josep Blanquer]

All,

 I forgot to close the loop over email on this one (it was only posted on the support slack chat).

So, just for the record, this generated this issue: https://github.com/rightscale/praxis/issues/308

Which was fixed in this PR: https://github.com/rightscale/praxis/pull/311

Which was merged to master July 5th.

Cheers,

Josep M.

On Tue, Jun 21, 2016 at 3:32 AM, <jona...@peoplesized.com> wrote:

Hi there,

I'd really appreciate some guidance!

We're trying to create an API that will serve similar content to multiple countries, and it looks like "base_params" would be a good place to include a ":country" param in the ApiDefinition. We've added "base_path" and "base_params" to the ApiDefinition, something like the example on http://praxis-framework.io/reference/api-definition/:

Praxis::ApiDefinition.define do

  info do
    base_path '/api/:country'

    base_params do
      attribute :country, String
    end

....


The application now won't load. It gives an error "RuntimeError: @attribute not defined yet for V1::MediaTypes::Risk". (This looks to come from "gems/praxis-0.20.1/lib/praxis/action_definition.rb:124:in `params'" where it's trying to merge '@params.attributes' before 'attributes' has been created? Using an empty 'base_params' block produces the same error, as does using the example from the Praxis docs above.)

Is there another step we need to take to get this to work?

We could use a trait instead, and pass the country in that way, but the base_params seems better.

Thanks for taking a look!
Jonathan

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