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fun_with_flags

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FunWithFlags, a flexible and fast feature toggle library for Elixir.

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fun_with_flags lib fun_with_flags store serializer ecto.ex
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lib/fun_with_flags/store/serializer/ecto.ex 

defmodule FunWithFlags.Store.Serializer.Ecto do

  @moduledoc false



  alias FunWithFlags.Gate

  alias FunWithFlags.Flag

  alias FunWithFlags.Store.Persistent.Ecto.Record



  def deserialize_flag(name, []), do: Flag.new(to_atom(name), [])



  def deserialize_flag(name, list) when is_list(list) do

    gates =

      list

      |> Enum.sort_by(&(&1.gate_type))

      |> Enum.map(&deserialize_gate(to_string(name), &1))

      |> Enum.reject(&(!&1))

    Flag.new(to_atom(name), gates)

  end





  def deserialize_gate(flag_name, %Record{flag_name: flag_name} = record) do

    do_deserialize_gate(record)

  end



  def deserialize_gate(_flag_name, _record), do: nil





  defp do_deserialize_gate(%Record{gate_type: "boolean", enabled: enabled}) do

    %Gate{type: :boolean, for: nil, enabled: enabled}

  end



  defp do_deserialize_gate(%Record{gate_type: "actor", enabled: enabled, target: target}) do

    %Gate{type: :actor, for: target, enabled: enabled}

  end



  defp do_deserialize_gate(%Record{gate_type: "group", enabled: enabled, target: target}) do

    %Gate{type: :group, for: String.to_atom(target), enabled: enabled}

  end



  def to_atom(atm) when is_atom(atm), do: atm

  def to_atom(str) when is_binary(str), do: String.to_atom(str)

end