easy-translate-for-translations.rb

def easy_translate(original, from:, to:)
  capitalized = original[0] == original[0].upcase
  interpolations_in_original = original.scan(/%{[^}]+}/)
  spaces_before = original.scan(/\A */).first
  spaces_after = original.scan(/ *\z/).first
  translated_text =
    EasyTranslate.translate(original, from: from, to: to).strip
  translated_text = translated_text.gsub(/(.)% {/, '\1 %{')
  translated_text = translated_text.gsub("% {", "%{")
  translated_text =
    if capitalized
      translated_text[0].upcase + translated_text[1..]
    else
      translated_text[0].downcase + translated_text[1..]
    end
  bad_interpolations = translated_text.scan(/%{[^}]+}/)
  interpolations_in_original.size.times do |index|
    next if !bad_interpolations[index] || !interpolations_in_original[index]
    translated_text.gsub!(
      bad_interpolations[index],
      interpolations_in_original[index]
    )
  end
  "#{spaces_before}#{translated_text}#{spaces_after}"
end