fairmondo/fairmondo

#   Copyright (c) 2012-2017, Fairmondo eG.  This file is
#   licensed under the GNU Affero General Public License version 3 or later.
#   See the COPYRIGHT file for details.

module MassUploadConcerns
  module Checks
    extend ActiveSupport::Concern

    def self.get_csv_encoding path_to_csv
      match_euro_sign = File.new(path_to_csv, 'r').getc
      case match_euro_sign
      when "\xDB"
        'MacRoman'
      when "\x80"
        'Windows-1252'
      when "\?"
        'IBM437'
      when "\xA4"
        'ISO-8859-15'
      else
        'utf-8'
      end
    end
  end
end