internetee-registry/app/controllers/admin/billing/prices_controller.rb

module Admin
  module Billing
    class PricesController < AdminController
      authorize_resource(class: 'Billing::Price')
      before_action :load_price, only: %i[edit update destroy]
      helper_method :zones
      helper_method :operation_categories
      helper_method :durations

      def index
        @q = ::Billing::Price.search(params[:q])
        @q.sorts = ['zone_id asc', 'duration asc', 'operation_category asc',
                    'valid_from desc', 'valid_to asc'] if @q.sorts.empty?
        @prices = @q.result.page(params[:page])
      end

      def new
        @price = ::Billing::Price.new
      end

      def edit
      end

      def create
        @price = ::Billing::Price.new(price_params)

        if @price.save
          flash[:notice] = t('.created')
          redirect_to_index
        else
          render :new
        end
      end

      def update
        if @price.update_attributes(price_params)
          flash[:notice] = t('.updated')
          redirect_to_index
        else
          render :edit
        end
      end

      def destroy
        @price.destroy!
        flash[:notice] = t('.destroyed')
        redirect_to_index
      end

      private

      def load_price
        @price = ::Billing::Price.find(params[:id])
      end

      def price_params
        allowed_params = %i[
          zone_id
          operation_category
          duration
          price
          valid_from
          valid_to
        ]

        params.require(:price).permit(*allowed_params)
      end

      def redirect_to_index
        redirect_to admin_prices_url
      end

      def zones
        ::DNS::Zone.all
      end

      def operation_categories
        ::Billing::Price::operation_categories
      end

      def durations
        durations = ::Billing::Price::durations
        durations.collect { |duration| [duration.sub('mon', 'month'), duration] }
      end
    end
  end
end