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kaffy

0.7.1
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Powerfully simple admin package for phoenix applications

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kaffy lib kaffy resource_error.ex
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lib/kaffy/resource_error.ex 

defmodule Kaffy.ResourceError do

  use Phoenix.HTML



  def display_errors(form) do

    errors =

      case length(form.errors) do

        0 ->

          []



        _x ->

          keys = Keyword.keys(form.errors) |> Enum.uniq()



          for field <- keys,

              do:

                Enum.map(Keyword.get_values(form.errors, field), fn {msg, opts} ->

                  msg =

                    if count = opts[:count] do

                      String.replace(msg, "%{count}", to_string(count))

                    else

                      msg

                    end



                  content_tag :div, class: "alert alert-danger" do

                    content_tag(:span, to_string(field) <> " " <> msg)

                  end

                end)

      end



    Enum.reduce(errors, [], fn error, combined ->

      Enum.reduce(error, combined, fn e, all -> [e | all] end)

    end)

  end

end