AyuntamientoMadrid/participacion

module Polymorphic
  private

    def resource
      if resource_model.to_s == "Budget::Investment"
        @resource ||= instance_variable_get(:@investment)
      elsif resource_model.to_s == "Legislation::Proposal"
        @resource ||= instance_variable_get(:@proposal)
      else
        @resource ||= instance_variable_get("@#{resource_name}")
      end
    end

    def resource_name
      @resource_name ||= resource_model.to_s.downcase
    end

    def resource_relation
      @resource_relation ||= resource_model.all
    end

    def set_resource_instance
      instance_variable_set("@#{resource_name}", @resource)
    end

    def set_resources_instance
      instance_variable_set("@#{resource_name.pluralize}", @resources)
    end

    def strong_params
      send("#{resource_name}_params")
    end
end