Contents

module Coalla

  module PageSlider

    def slider(collection_name, options = {})
      class_name = options.delete(:class_name) || 'SliderImage'
      slider_type = slider_type(collection_name)
      has_many collection_name, -> { where(slider_type: slider_type).order(:position) }, foreign_key: :container_slider_id, dependent: :destroy, class_name: class_name
      accepts_nested_attributes_for collection_name, allow_destroy: true
      define_method "sorted_#{collection_name}" do
        send(collection_name).sort_by(&:position)
      end
    end

    def slider_type(collection_name)
      # Workaround for STI - save parent class name for using in subclass
      @@slider_metadata ||= []
      self.ancestors.each do |klazz|
        slider_type = "#{klazz.name && klazz.name.sub('::', '__')}_#{collection_name}"
        return slider_type if @@slider_metadata.include? slider_type
        break if klazz == ActiveRecord::Base
      end
      slider_type = "#{self.name && self.name.sub('::', '__')}_#{collection_name}"
      @@slider_metadata << slider_type
      slider_type
    end

    def self.extended(klass)
      klass.class_eval <<-EOV
      include ::Coalla::PageSlider::InstanceMethods
      EOV
    end

    module InstanceMethods

      def assign_nested_attributes_for_collection_association(association_name, attributes_collection)
        association_class = self.class.reflect_on_association(association_name).klass
        if association_class.attribute_names.include?('position')
          attributes_collection.each_with_index do |(key, value), index|
            if value.is_a?(Hash)
              value[:position] = index
            end
          end
        end
        super
      end

    end
  end

end

unless Rails.configuration.try(:disable_page_slider)
  ActiveRecord::Base.extend Coalla::PageSlider
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
coalla-cms-0.5.2.4	lib/coalla/orm/page_slider.rb
coalla-cms-0.5.1.9	lib/coalla/orm/page_slider.rb
coalla-cms-0.5.1.8	lib/coalla/orm/page_slider.rb