class AuthorizeRequest
  class << self
    def user(headers)
      @user ||= User.find(decoded_auth_token(headers)[:id]) if decoded_auth_token(headers)
      @user || nil
    end

    def decoded_auth_token(headers)
      @decoded_auth_token ||= JsonWebToken.decode(http_auth_header(headers)) if http_auth_header(headers)
    end

    def http_auth_header(headers)
      return headers['Authorization'].split(' ').last if headers['Authorization'].present?

      nil
    end
  end
end