Class: Grape::Middleware::Formatter

Inherits:
Base
  • Object
show all
Defined in:
lib/grape/middleware/formatter.rb

Instance Attribute Summary

Attributes inherited from Base

#app, #env, #options

Instance Method Summary collapse

Methods inherited from Base

#call, #call!, #content_type, #content_type_for, #content_types, #initialize, #mime_types, #response

Constructor Details

This class inherits a constructor from Grape::Middleware::Base

Instance Method Details

#after ⇒ Object 



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# File 'lib/grape/middleware/formatter.rb', line 19

def after
  status, headers, bodies = *@app_response

  if bodies.is_a?(Grape::Util::FileResponse)
    headers = ensure_content_type(headers)

    response =
      Rack::Response.new([], status, headers) do |resp|
        resp.body = bodies.file
      end
  else
    # Allow content-type to be explicitly overwritten
    api_format = mime_types[headers[Grape::Http::Headers::CONTENT_TYPE]] || env['api.format']
    formatter = Grape::Formatter::Base.formatter_for(api_format, options)

    begin
      bodymap = bodies.collect do |body|
        formatter.call(body, env)
      end

      headers = ensure_content_type(headers)

      response = Rack::Response.new(bodymap, status, headers)
    rescue Grape::Exceptions::InvalidFormatter => e
      throw :error, status: 500, message: e.message
    end
  end

  response
end

#before ⇒ Object 



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# File 'lib/grape/middleware/formatter.rb', line 14

def before
  negotiate_content_type
  read_body_input
end

#default_options ⇒ Object 



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# File 'lib/grape/middleware/formatter.rb', line 6

def default_options
  {
    default_format: :txt,
    formatters: {},
    parsers: {}
  }
end