public function getTimeDiff(DateTime $releaseDate)
    {
        $now = new DateTime();

        /** @var DateInterval $diff */
        $diff = $now->diff($releaseDate);

        if ($diff->days > 7) {
            return '';
        }

        if ($diff->days == 7) {
            return 'a week ago';
        }

        if ($diff->days >= 1) {
            return sprintf('%d day(s) ago', $diff->days);
        }

        if ($diff->h >= 1) {
            return sprintf('%d hour(s) ago', $diff->h);
        }

        if ($diff->i >= 1) {
            return sprintf('%d minute(s) ago', $diff->i);
        }

        return 'just now';
    }