osem-fcy/app/controllers/admin/lodgings_controller.rb

module Admin
  class LodgingsController < Admin::BaseController
    load_and_authorize_resource :conference, find_by: :short_title
    load_and_authorize_resource :venue, through: :conference, singleton: true
    load_and_authorize_resource :lodging, through: :venue

    def index
      authorize! :update, Lodging.new(venue_id: @venue.id)
    end

    def show; end

    def new
      @lodging = @venue.lodgings.new
    end

    def create
      @lodging = @venue.lodgings.new(lodging_params)
      if @lodging.save
        redirect_to(admin_conference_lodging_path(conference_id: @conference.short_title, id: @lodging.id),
                    notice: 'Lodging successfully created.')
      else
        flash[:error] = "Creating Lodging failed: #{@lodging.errors.full_messages.join('. ')}."
        render :new
      end
    end

    def edit; end

    def update
      if @lodging.update_attributes(lodging_params)
        redirect_to(admin_conference_lodging_path(conference_id: @conference.short_title, id: @lodging.id),
                    notice: 'Lodging successfully updated.')
      else
        flash[:error] = "Update Lodging failed: #{@lodging.errors.full_messages.join('. ')}."
        render :edit
      end
    end

    def destroy
      if @lodging.destroy
        redirect_to(admin_conference_lodgings_path(conference_id: @conference.short_title),
                    notice: 'Lodging successfully deleted.')
      else
        redirect_to(admin_conference_lodgings_path(conference_id: @conference.short_title),
                    error: 'Deleting lodging failed.' \
                    "#{@lodging.errors.full_messages.join('. ')}.")
      end
    end

    private

    def lodging_params
      params[:lodging]
    end
  end
end