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Ash DataLayer for Neo4j

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ash_neo4j lib transformers transform_ensure_labelled.ex
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lib/transformers/transform_ensure_labelled.ex 

# SPDX-FileCopyrightText: 2025 ash_neo4j contributors <https://github.com/diffo-dev/ash_neo4j/graphs.contributors>

#

# SPDX-License-Identifier: MIT



defmodule AshNeo4j.Transformers.TransformEnsureLabelled do

  @moduledoc false

  use Spark.Dsl.Transformer

  alias Spark.Dsl.Transformer

  alias Spark.Dsl.Verifier



  @impl true

  def transform(dsl) do

    {:ok, ensure_labelled(dsl)}

  end



  defp ensure_labelled(dsl) do

    case Verifier.get_option(dsl, [:neo4j], :label, nil) do

      nil ->

        resource = Verifier.get_persisted(dsl, :module)

        module = String.to_atom(List.last(Module.split(resource)))

        Transformer.set_option(dsl, [:neo4j], :label, module)



      _ ->

        dsl

    end

  end

end