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Ash DataLayer for Neo4j

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ash_neo4j lib transformers transform_add_translation.ex
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lib/transformers/transform_add_translation.ex 

defmodule AshNeo4j.Transformers.TransformAddTranslation do

  @moduledoc false

  use Spark.Dsl.Transformer

  alias Spark.Dsl.Transformer

  alias Spark.Dsl.Verifier

  import AshNeo4j.Util



  @impl true

  def transform(dsl) do

    {:ok, add_translation(dsl)}

  end



  @impl true

  def after?(AshStateMachine.Transformers.AddState), do: true

  def after?(_), do: false



  defp add_translation(dsl) do

    source_attributes =

      Verifier.get_entities(dsl, [:relationships])

      |> Enum.into([], &Map.get(&1, :source_attribute))



    attributes =

      Verifier.get_entities(dsl, [:attributes])

      |> Enum.into([], &Map.get(&1, :name))

      |> Enum.reject(fn name -> name in source_attributes end)

      |> Enum.reject(fn name -> name in Verifier.get_option(dsl, [:neo4j], :skip, []) end)



    translate = Verifier.get_option(dsl, [:neo4j], :translate, [])

    direct = Enum.into(attributes, [], fn attribute -> {attribute, to_camel_case(attribute)} end)

    translation = Keyword.merge(direct, translate)

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

  end

end