growstuff/app/controllers/roles_controller.rb

class RolesController < ApplicationController
  before_action :authenticate_member!
  load_and_authorize_resource
  respond_to :html
  responders :flash

  def index
    @roles = Role.all
    respond_with @roles
  end

  def show
    respond_with @role
  end

  def new
    @role = Role.new
    respond_with @role
  end

  def edit
    respond_with @role
  end

  def create
    @role = Role.create(role_params)
    respond_with @role
  end

  def update
    @role.update(role_params)
    respond_with @role
  end

  def destroy
    @role.destroy
    respond_with @role
  end

  private

  def role_params
    params.require(:role).permit(:description, :name, :members, :slug)
  end
end