lib/auth/roles.ex
defmodule Legendary.Auth.Roles do
@moduledoc """
Functions for working with roles on users, such as testing whether a user has
a role.
"""
def has_role?(userlike, role) when is_atom(role), do: has_role?(userlike, Atom.to_string(role))
def has_role?(nil, _), do: false
def has_role?(%Legendary.Auth.User{} = user, role) do
Enum.any?(user.roles || [], &(&1 == role))
end
end