10 replies

Accept subset of Ash.Type.Enum in action

I have an

Ash.Type.Enum

Ash.Type.Enum

defined as

defmodule Dreng.Accounts.Role do
  use Ash.Type.Enum, values: [:superadmin, :admin, :farmer, :farmhand]
end

defmodule Dreng.Accounts.Role do
  use Ash.Type.Enum, values: [:superadmin, :admin, :farmer, :farmhand]
end

And the

User

User

resource is using it with

    attribute :role, Dreng.Accounts.Role do
      allow_nil? false
    end

    attribute :role, Dreng.Accounts.Role do
      allow_nil? false
    end

In my create action I'd like to accept a role argument, but only

:farmer

:farmer

:farmhand

:farmhand

should be allowed, and ideally I'd like to keep all the benefits of using

Ash.Type.Enum

Ash.Type.Enum

like automatic casting. What would be the idiomatic way of accomplishing this?

Solution