ensl.org/app/controllers/directories_controller.rb

class DirectoriesController < ApplicationController
  before_action :get_directory, except: [:new, :create]

  def show
    if @directory.hidden
      @files = @directory.files
      render partial: 'data_files/list', layout: true
    else
      @directories = Directory.ordered.filtered.where(parent_id: 1)
    end
  end

  def new
    @directory = Directory.new
    @directory.parent = Directory.find params[:id]
    raise AccessError unless @directory.can_create? cuser
  end

  def edit
    raise AccessError unless @directory.can_update? cuser
  end

  def refresh
    @directory.process_dir
    render text: t(:directories_update)
  end

  def create
    @directory = Directory.new(Directory.params(params, cuser))
    raise AccessError unless @directory.can_create? cuser

    if @directory.save
      flash[:notice] = t(:directories_create)
      redirect_to(@directory)
    else
      render :new
    end
  end

  def update
    raise AccessError unless @directory.can_update? cuser
    if @directory.update_attributes(Directory.params(params, cuser))
      flash[:notice] = t(:directories_update)
      redirect_to @directory
    else
      render :edit
    end
  end

  def destroy
    raise AccessError unless @directory.can_destroy? cuser
    @directory.destroy
    redirect_to directories_url
  end

  private

  def get_directory
    @directory = Directory.find params[:id]
  end
end