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remodel

0.0.4
0.0.4 0.0.3 0.0.2 0.0.1

Remodel is an Elixir presenter package used to transform data structures. This is especially useful when a desired representation doesn't match the schema defined within the database.

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remodel lib remodel formatters list_formatter.ex
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lib/remodel/formatters/list_formatter.ex 

defmodule Remodel.Formatter.ListFormatter do



  def format(resource, serializer, %{headers: true}=options) when is_list(resource),

    do: [format_header(serializer) | format_resources(resource, serializer, %{headers: true}=options)]



  def format(resource, serializer, %{headers: true}=options) when is_map(resource),

    do: [format_header(serializer) | [format_resources(resource, serializer, options)]]



  def format(resource, serializer, options),

    do: format_resources(resource, serializer, options)



  defp format_resources(resources, serializer, options) when is_list(resources),

    do: Enum.map(resources, fn(resource) -> format_resources(resource, serializer, options) end)



  defp format_resources(resource, serializer, options) do

    Enum.map serializer.__attributes, fn(attr) ->

      if !attr.if || apply(serializer, attr.if, [resource, options[:scope]]) do

        apply(serializer, attr.attribute, [resource, options[:scope]])

      else

        nil

      end

    end

  end



  defp format_header(serializer),

    do: Enum.map(serializer.__attributes, fn(attr) -> to_string(attr.as || attr.attribute) end)

end