time left string

gistfile1.txt

public static string GetTimeLeftString(this TimeSpan timeLeft)
    {
        var ts = timeLeft;

        if (ts.TotalSeconds < 0)
            return "...";

        var result = string.Format("{0}:{1}", ts.Minutes.ToString("00"), ts.Seconds.ToString("00"));

        if (timeLeft.TotalHours > 1d)
            result = ts.Hours.ToString("00") + ":" + result;
        
        if (timeLeft.TotalDays > 1d)
            result = Mathf.FloorToInt((float)ts.TotalDays) + " " + UnityUtils.Localize("Common.Days") + " " + result;

        return result;
    }

    public static string GetTimeLeftString(this double secondsLeft)
    {
        var ts = DateTime.Now.AddSeconds(secondsLeft) - DateTime.Now;
        return GetTimeLeftString(ts);
    }