Add option to select adapter by the request header

[akaKuruma]

It resolves #1062

[bacarini]

@joaomdmoura, I've worked on #1062.
We also added some explanation about this feature into README.

We will add more tests if you decide to move on.

[bf4]

Would be really great to merge #1017 first to take advantage of the register/get interface cc @joaomdmoura :)

[joaomdmoura]

I'll check #1017

[joaomdmoura]

I made some comments, you might also need to rebase it. I'll check #1017 in order to see if we can get it merged and you can take advantage of it on your PR as well.
It's a nice work, thank you! Keep it up! 😄

[beauby]

This should be false by default, as the defined serializers may not play well with all possible adapters.

[bf4]

@akaKuruma are you still interested in this PR? A lot has changed in master, but, I think it actually makes this PR simpler. Let me know if I can help.

[akaKuruma]

@bf4 yes, I'll check what we need to change, thanks

[bf4]

Yay!

B mobile phone

On Dec 23, 2015, at 5:32 AM, Tiago Freire notifications@github.com wrote:

@bf4 yes, I'll check what we need to change, thanks

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[landlessness]

+1 on this feature.

I'm working on writing an AMS adapter for the Siren hypermedia type. And then I plan to create a second adapter for a flavor of Siren for connected devices called Zetta. I'd like to be able to swap among the adapters for ease of dev and test and to provide API clients more flexibility in production. Right now my controllers are not very DRY. My world looks like this today and will look much better after this PR.

Thanks for the great work.

Photocells Controller

# app/controllers/photocells_controller.rb
def show
  respond_to do |format|
    format.html # index.html.erb
    format.json { render json: @photocell, adapter: :json}
    format.json_api { render json: @photocell, adapter: :json_api}
    format.siren { render json: @photocell, adapter: :siren}
    format.zetta { render json: @photocell, adapter: :zetta}
  end
end

Mime Type Initializer

# config/initializers/mime_types.rb
Mime::Type.register 'application/vnd.api+json', :json_api
Mime::Type.register 'application/vnd.siren+json', :siren
Mime::Type.register 'application/vnd.siren.zetta+json', :zetta

[bf4]

I wanted to reference related work I'm proposing to Rails rails/rails#21496 (comment)

Impl on master here in ams should use serialization_context

[remear]

I think we're still open to this feature but this is out of date. If anyone wants to open a new PR for this, the implementation should use SerializationContext.