Extensions.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LocalIM
{
    public static class Extensions
    {
        public static string ToReadableString(this TimeSpan span)
        {
            string formatted = string.Format("{0}{1}{2}{3}",
                span.Duration().Days > 0 ? string.Format("{0:0} day{1}, ", span.Days, span.Days == 1 ? String.Empty : "s") : string.Empty,
                span.Duration().Hours > 0 ? string.Format("{0:0} hour{1}, ", span.Hours, span.Hours == 1 ? String.Empty : "s") : string.Empty,
                span.Duration().Minutes > 0 ? string.Format("{0:0} minute{1}, ", span.Minutes, span.Minutes == 1 ? String.Empty : "s") : string.Empty,
                span.Duration().Seconds > 0 ? string.Format("{0:0} second{1}", span.Seconds, span.Seconds == 1 ? String.Empty : "s") : string.Empty).Trim();
            if (formatted.EndsWith(","))
                formatted = formatted.Substring(formatted.Length - 1, 1);
            if (string.IsNullOrEmpty(formatted)) 
                formatted = "0 seconds";
            return formatted;
        }
    }
}