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step_flow

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Step flow manager for Elixir applications

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step_flow lib step_flow repo.ex
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lib/step_flow/repo.ex 

defmodule StepFlow.Repo do

  use Ecto.Repo,

    otp_app: :step_flow,

    show_sensitive_data_on_connection_error: true,

    adapter: Ecto.Adapters.Postgres



  require Logger



  def init(_, opts) do

    opts =

      opts

      |> replace_if_present(:hostname)

      |> replace_if_present(:port)

      |> replace_if_present(:username)

      |> replace_if_present(:password)

      |> replace_if_present(:database)

      |> replace_if_present(:runtime_pool_size, :pool_size, &StepFlow.Configuration.to_integer/1)



    Logger.debug("StepFlow connecting to Postgres with parameters: #{inspect(opts)}")

    {:ok, opts}

  end



  defp replace_if_present(opts, key, output_key \\ nil, processor \\ &StepFlow.Repo.bypass/1) do

    case StepFlow.Configuration.get_var_value(StepFlow.Repo, key) do

      nil ->

        opts



      value ->

        value = processor.(value)



        output_key =

          if output_key == nil do

            key

          else

            output_key

          end



        Keyword.put(opts, output_key, value)

    end

  end



  def bypass(value), do: value

end