ash/test/support/policy_field/resources/user.ex

defmodule Ash.Test.Support.PolicyField.User do
  @moduledoc false
  use Ash.Resource,
    data_layer: Ash.DataLayer.Ets,
    authorizers: [Ash.Policy.Authorizer]

  ets do
    private? true
  end

  actions do
    defaults [:create, :read, :update, :destroy]
  end

  attributes do
    uuid_primary_key :id

    attribute :role, :atom do
      constraints one_of: [:user, :representative]
    end
  end

  policies do
    policy always() do
      authorize_if always()
    end
  end

  field_policies do
    field_policy :role do
      authorize_if actor_attribute_equals(:role, :representative)
    end
  end
end