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Ash DataLayer for Neo4j

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ash_neo4j lib verifiers verify_properties_camel_case.ex
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lib/verifiers/verify_properties_camel_case.ex 

defmodule AshNeo4j.Verifiers.VerifyPropertiesCamelCase do

  @moduledoc "Verifies that Neo4j properties are camelCase"

  use Spark.Dsl.Verifier



  alias Spark.Dsl.Verifier

  alias Spark.Error.DslError

  @regex ~r/^[a-z][a-zA-Z0-9]*$/



  @impl true

  def verify(dsl) do

    resource = Verifier.get_persisted(dsl, :module)



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

    property_names = Keyword.values(translation)



    cond do

      property_names == [] ->

        :ok



      true ->

        if !Enum.all?(property_names, &Regex.match?(@regex, Atom.to_string(&1))) do

          {:error,

           DslError.exception(

             module: resource,

             message: "neo4j: neo4j property names must be camelCase"

           )}

        else

          :ok

        end

    end

  end

end