Class: Hypermodel::Responder

Inherits:
Object
  • Object
show all
Defined in:
lib/hypermodel/responder.rb

Overview

Public: Responsible for exposing a resource in JSON-HAL format.

Examples

class PostsController < ApplicationController

respond_to :json

def show
  @post = Post.find params[:id]
  respond_with(@post, responder: Hypermodel::Responder)
end

end

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resource_name, action, record, controller) ⇒ Responder

Returns a new instance of Responder.



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# File 'lib/hypermodel/responder.rb', line 30

def initialize(resource_name, action, record, controller)
  @resource_name = resource_name
  @action        = action

  if record.respond_to?(:each)
    @resource = if record.empty?
                  EmptyCollection.new(resource_name, controller)
                else
                  Collection.new(record, controller)
                end
  else
    @resource = Resource.new(record, controller)
  end
end

Class Method Details

.call(*args) ⇒ Object 



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# File 'lib/hypermodel/responder.rb', line 19

def self.call(*args)
  controller    = args[0]
  resource      = args[1].first
  resource_name = controller.params["controller"]
  action        = controller.params["action"]

  responder = new resource_name, action, resource, controller

  controller.render json: responder
end

Instance Method Details

#to_json(*opts) ⇒ Object 



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# File 'lib/hypermodel/responder.rb', line 45

def to_json(*opts)
  @resource.to_json(*opts)
end