app/helpers/application_helper.rb
module ApplicationHelper
def current_user_is_admin?
user_signed_in? && (current_user.has_role? :admin)
end
def current_user_is_mod?
user_signed_in? && (current_user.has_role? :moderator)
end
def current_user_is_mod_or_admin?
current_user_is_mod? || current_user_is_admin?
end
end