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ja_serializer

0.8.1
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A serialization library implementing the jsonapi.org 1.0 spec suitable for use building JSON APIs in Phoenix and any other Plug based framework or app.

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ja_serializer lib ja_serializer param_parser.ex
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lib/ja_serializer/param_parser.ex 

defprotocol JaSerializer.ParamParser do

  @fallback_to_any true

  def parse(params)

end



defimpl JaSerializer.ParamParser, for: Any do

  def parse(data), do: data

end



defimpl JaSerializer.ParamParser, for: List do

  def parse(list), do: Enum.map(list, &JaSerializer.ParamParser.parse/1)

end



defimpl JaSerializer.ParamParser, for: [BitString, Integer, Float, Atom] do

  def parse(data), do: data

end



if Code.ensure_loaded?(Plug) do

  defimpl JaSerializer.ParamParser, for: Plug.Upload do

    def parse(data), do: data

  end

end



defimpl JaSerializer.ParamParser, for: Map do

  def parse(map) do

    Enum.reduce map, %{}, fn({key, val}, map) ->

      key = JaSerializer.ParamParser.Utils.format_key(key)

      Map.put(map, key, JaSerializer.ParamParser.parse(val))

    end

  end

end



defmodule JaSerializer.ParamParser.Utils do

  def format_key(key) do

    case Application.get_env(:ja_serializer, :key_format, :dasherized) do

      :dasherized  -> dash_to_underscore(key)

      :underscored -> key

      _ -> key

    end

  end



  defp dash_to_underscore(key), do: String.replace(key, "-", "_")

end