Module: JSONAPI::Formats

Defined in:
lib/jsonapi-serializer-formats.rb

Class Method Summary collapse

Class Method Details

.hello ⇒ Object 



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# File 'lib/jsonapi-serializer-formats.rb', line 3

def hello
  "hi"
end

.included(base) ⇒ Object 



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# File 'lib/jsonapi-serializer-formats.rb', line 9

def self.included(base)
  base.class_eval do
    class << self 
      def scoped_formats
        @@scoped_formats ||= []
      end

      alias_method :jsonapi_attributes, :attributes

      #
      # Override the attribute method to support contexts
      #
      def attributes(*attributes_list, &block)
        formats = [*scoped_formats]

        if formats.length.positive?
          opts = attributes_list.last
          unless opts.is_a?(Hash)
            opts = {}
            attributes_list << opts
          end

          cond = opts[:if]
          opts[:if] = Proc.new do |_, params = {}|
            next false if cond.present? && !cond.call(_, params)
            render_formats = [params[:format]].compact.flatten

            formats.all? { |f| render_formats.include?(f) }
          end
        end

        jsonapi_attributes(*attributes_list, &block)
      end

      def format(fmt)
        scoped_formats.push(fmt)
        yield
      ensure
        scoped_formats.pop
      end

      alias_method :attribute, :attributes
    end
  end
end