defmodule Ash.Type.UUID do
@moduledoc """
Represents a UUID.
A builtin type that can be referenced via `:uuid`
"""
use Ash.Type
@impl true
def storage_type, do: :uuid
@impl true
def generator(_constraints) do
# Waiting on blessed date/datetime generators in stream data
# https://github.com/whatyouhide/stream_data/pull/161/files
StreamData.integer()
|> StreamData.bind(fn _i -> StreamData.constant(Ash.UUID.generate()) end)
|> StreamData.unshrinkable()
end
@impl true
def cast_input(nil, _), do: {:ok, nil}
def cast_input(value, _) when is_binary(value) do
Ecto.Type.cast(Ecto.UUID, String.trim(value))
end
def cast_input(value, _) do
Ecto.Type.cast(Ecto.UUID, value)
end
@impl true
def cast_stored(nil, _), do: {:ok, nil}
def cast_stored(value, constraints) do
case Ecto.Type.load(Ecto.UUID, value) do
:error ->
cast_input(value, constraints)
{:ok, value} ->
{:ok, value}
end
rescue
_e in ArgumentError ->
cast_input(value, constraints)
end
@impl true
def dump_to_embedded(value, constraints) do
cast_input(value, constraints)
end
@impl true
def dump_to_native(nil, _), do: {:ok, nil}
def dump_to_native(value, _) do
Ecto.Type.dump(Ecto.UUID, value)
end
end