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

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

  policies do
    policy action_type(:update) do
      authorize_if(expr(id == ^actor(:id)))
    end

    policy action_type(:read) do
      authorize_if(always())
    end
  end

  ets do
    private?(true)
  end

  attributes do
    uuid_primary_key(:id)
    attribute(:admin, :boolean, public?: true)
    attribute(:manager, :boolean, public?: true)
  end

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

  aggregates do
    max :most_recent_car, :cars, :inserted_at do
      public? true
    end
  end

  calculations do
    calculate :restricted_from_driving,
              :boolean,
              expr(is_nil(most_recent_car) or most_recent_car >= ago(1, :microsecond)) do
      public?(true)
    end

    calculate :has_car,
              :boolean,
              expr(not is_nil(most_recent_car)) do
      public?(true)
    end

    calculate :post_texts,
              {:array, :string},
              Ash.Test.Support.PolicySimple.Calculations.PostTexts
  end

  relationships do
    belongs_to(:organization, Ash.Test.Support.PolicySimple.Organization, public?: true)

    has_many(:posts, Ash.Test.Support.PolicySimple.Post,
      destination_attribute: :author_id,
      public?: true
    )

    many_to_many :cars, Ash.Test.Support.PolicySimple.Car do
      public?(true)
      through(Ash.Test.Support.PolicySimple.CarUser)
      source_attribute_on_join_resource(:user_id)
      destination_attribute_on_join_resource(:car_id)
    end
  end
end