Contents

module Almodovar
  class ResourcePresenter
    class Collection

      attr_reader :resource_class
      
      def initialize(resource_class, resources_args = [], options = {})
        @resource_class = resource_class
        @resources = resources_args.map { |arg| @resource_class.new(arg) }
        
        @total = options[:total_entries]
        @next = options[:next_link]
        @prev = options[:prev_link]
      end
      
      def to_xml(options = {})
        # Most of the following code is borrowed from ActiveSupport's Array#to_xml.
        # We cannot use Array#to_xml because we need to add a few custom tags for
        # pagination.
        require 'active_support/builder' unless defined?(Builder)

        options = options.dup
        options[:indent]  ||= 2
        options[:builder] ||= ::Builder::XmlMarkup.new(:indent => options[:indent])

        xml = options[:builder]

        xml.instruct! unless options[:skip_instruct]
        xml.tag! resource_type.pluralize.dasherize, :type => 'array' do
          xml.tag!('total-entries', @total) if @total
          xml.link :rel => 'next', :href => @next if @next
          xml.link :rel => 'prev', :href => @prev if @prev
          @resources.each { |value| value.to_xml(options.merge(:root => resource_type.singularize, :skip_instruct => true)) }
        end
      end
      
      def as_json(options = {})
        ActiveSupport::OrderedHash.new.tap do |message|
          message[:total_entries] = @total if @total
          message[:next_link] = @next if @next
          message[:prev_link] = @prev if @prev
          message[:entries] = @resources.map { |resource| resource.as_json(options) }
        end
      end
      
      def to_json(options = {})
        require 'yajl'
        Yajl::Encoder.encode(as_json(options), :pretty => true) + "\n"
      end

      def to_html(options = {})
        HtmlSerializer.new(self, options).to_html
      end
      
      def resource_type
        @resource_class.resource_type
      end

    end
  end  
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
almodovar-0.9.4	lib/almodovar/resource_presenter/collection.rb
almodovar-0.9.2	lib/almodovar/resource_presenter/collection.rb
almodovar-0.9.3	lib/almodovar/resource_presenter/collection.rb
almodovar-0.9.1	lib/almodovar/resource_presenter/collection.rb
almodovar-0.9.0	lib/almodovar/resource_presenter/collection.rb
almodovar-0.8.0	lib/almodovar/resource_presenter/collection.rb