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Ash DataLayer for Neo4j

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ash_neo4j lib transformers transform_add_relationship_attributes.ex
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lib/transformers/transform_add_relationship_attributes.ex 

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

#

# SPDX-License-Identifier: MIT



defmodule AshNeo4j.Transformers.TransformAddRelationshipAttributes do

  @moduledoc false

  use Spark.Dsl.Transformer

  alias Spark.Dsl.Transformer

  alias Spark.Dsl.Verifier



  @impl true

  def transform(dsl) do

    {:ok, add_relationship_attributes(dsl)}

  end



  defp add_relationship_attributes(dsl) do

    relationships = Verifier.get_entities(dsl, [:relationships])



    relationship_attributes =

      Enum.into(relationships, [], fn relationship ->

        {Map.get(relationship, :source_attribute), Map.get(relationship, :name)}

      end)



    Transformer.set_option(dsl, [:neo4j], :relationship_attributes, relationship_attributes)

  end

end