alexandre025/cdx

module Cdx
  module Admin
    class Taxonomies::TaxonsController < BaseController
      before_action :authenticate_admin_user!

      before_action :load_taxonomy

      before_action :load_taxon, only: [:update_position, :destroy]

      respond_to :json

      def index
        load_collection
      end

      def update_position
        @taxon.move_to_child_with_index(Taxon.find(parent_from_params), params[:position].to_i)

        load_collection
        render :index
      end

      def create_or_update
        @taxon = params[:node][:id].to_i.to_s == params[:node][:id] ? Taxon.find(params[:node][:id]) : Taxon.new(taxonomy: @taxonomy)

        @taxon.assign_attributes(parent_id: parent_from_params, name: params[:node][:text])

        if @taxon.save
          load_collection
          render :index
        else
          render json: { errors: @taxon.errors.full_messages }, status: 422
        end
      end

      def destroy
        if @taxon.destroy

        else
          render json: { errors: @taxon.errors.full_messages }, status: 422
        end
      end

      private

        def load_collection
          @collection = @taxonomy.root.children
        end

        def parent_from_params
          params[:node][:parent] == '#' ? @taxonomy.root.id : params[:node][:parent]
        end

        def load_taxonomy
          @taxonomy ||= Taxonomy.find(params[:taxonomy_id])
        end

        def load_taxon
          @taxon ||= Taxon.find(params[:id])
        end
    end
  end
end