Packages

ex_cnab

1.3.6
1.3.6 1.3.5 1.3.4 1.3.3 1.3.2 1.3.1 1.3.0 1.2.5 1.2.4 1.2.3 1.2.2 1.2.1 1.2.0 1.1.8 1.1.7 1.1.6 1.1.5 1.1.4 1.1.3 1.1.2 1.1.1 1.1.0 1.0.1 1.0.0 0.5.1 0.4.2 0.4.1 0.4.0

A CNAB file helper. This library aims to help your bank or cooperative read, decode, display, and perform various operations on a CNAB file. Supported operations: - Read CNAB240 file - Return some data - Get details type

HexDocs

Current section

Files

Jump to
Readme
28 Versions
1 Dependency
Dependants
Files
Activity
ex_cnab app excnab cnab240 services has_identical_informations.ex
Raw

app/excnab/cnab240/services/has_identical_informations.ex 

defmodule ExCnab.Cnab240.Services.HasIdenticalInformations do

  @moduledoc """

  Service to check if the CNAB 240 file has identical informations.

  """



  @spec run(list) :: :ok | {:error, String.t()}

  def run(list), do: find_list(list, list, :ok)



  defp find_list(list, [hd | tl], :ok) do

    index = Enum.find_index(tl, &(&1 == hd))



    currentIndex = Enum.find_index(list, &(&1 == hd))



    case index do

      nil ->

        find_list(list, tl, :ok)



      _ ->

        {:error, "A linha #{currentIndex + 1} está duplicada"}

    end

  end



  defp find_list(_list, [], :ok), do: :ok

end