/// <summary>
/// Return a string for a timespan in a meaningful form, eg "4 years, 2 months" rather than "50 months"
/// </summary>
public static string LongHumanizedTimespan(Time span)
{
TimeSpan period = span.Value;
if (period.TotalMinutes <= 59)
return string.Format ("{0:%m} minute{1}", period, period.TotalMinutes > 1 ? "s" : "");
if (period.TotalMinutes <= 2879)
return string.Format ("{0:%h} hour{1} {0:%m} minute{2}", period, period.Hours > 1 ? "s" : "", period.Minutes > 1 ? "s" : "");
List<string> pieces = new List<string> ();
if (period.TotalDays > 365) {
int years = (int)(Math.Floor (period.TotalDays / 365));
period = period.Subtract (new TimeSpan (365 * years, 0, 0, 0));
pieces.Add (string.Format ("{0} year{1}", years, years > 1 ? "s" : ""));
}
if (period.TotalDays > 30) {
int months = (int)(Math.Floor (period.TotalDays / 30));
period = period.Subtract (new TimeSpan (30 * months, 0, 0, 0));
pieces.Add (string.Format ("{0} month{1}", months, months > 1 ? "s" : ""));
}
if (period.TotalDays > 7) {
int weeks = (int)(Math.Floor (period.TotalDays / 7));
period = period.Subtract (new TimeSpan (7 * weeks, 0, 0, 0));
pieces.Add (string.Format ("{0} week{1}", weeks, weeks > 1 ? "s" : ""));
}
if (period.TotalDays > 0)
pieces.Add (string.Format ("{0} day{1}", period.TotalDays, period.TotalDays > 1 ? "s" : ""));
if (pieces.Count == 1)
return pieces.First();
if (pieces.Count > 1)
string.Format ("{0} and {1}",
string.Join (", ", pieces.Take (pieces.Count - 1).ToArray ()),
pieces.Last ()
);
return null;
}
/// <summary>
/// Return a string for a timespan in a meaningful form, eg "4.1 years" rather than "50 months"
/// </summary>
public static string ShortHumanizedTimespan(Time span)
{
TimeSpan period = span.Value;
if (period.TotalMinutes <= 59)
return string.Format ("{0:%m} minute{1}", period, period.TotalMinutes > 1 ? "s" : "");
if (period.TotalMinutes <= 1439)
return string.Format ("{0:%h} hour{1} {0:%m} minute{2}", period, period.Hours > 1 ? "s" : "", period.Minutes > 1 ? "s" : "");
string unit = null;
double val = 0;
if (period.TotalDays < 7) {
val = period.TotalDays;
unit = val > 1 ? "days" : "day";
} else if (period.TotalDays <= 49) {
val = period.TotalDays / 7;
unit = val > 1 ? "weeks" : "week";
} else if (period.TotalDays <= 540) {
val = period.TotalDays / 30;
unit = val > 1 ? "months" : "month";
} else {
val = period.TotalDays / 365.25;
unit = val > 1 ? "years" : "year";
}
if (val % 1 == 0)
return string.Format ("{0:0} {1}", val, unit);
else
return string.Format ("{0:0.0} {1}", val, unit);
}