using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Xml;
class Main{
///
/// Gets the pretty date.
///
/// The date.
/// Returns a pretty date.
public static string GetPrettyDate(string date)
{
return GetPrettyDate(date, "dd MMMM yyyy");
}
public static string GetPrettyDate(string date, string format)
{
// 0. Convert the String into DateTime
DateTime d;
if (DateTime.TryParse(date, out d))
{
return GetPrettyDate(d, format);
}
return date;
}
///
/// Gets the pretty date.
///
/// The date.
/// The format.
/// Returns a pretty date.
///
/// http://dotnetperls.com/pretty-date
/// http://ejohn.org/blog/javascript-pretty-date/
///
public static string GetPrettyDate(DateTime date, string format)
{
// 1. Get time span elapsed since the date.
TimeSpan s = DateTime.Now.Subtract(date);
// 2. Get total number of days elapsed.
Int32 dayDiff = (Int32)s.TotalDays;
// 3. Get total number of seconds elapsed.
Int32 secDiff = (Int32)s.TotalSeconds;
// 4. Don't allow out of range values.
if (dayDiff < 0 || dayDiff >= 31)
{
return FormatDateTime(date, format); // d.ToString(format);
}
// 5. Handle same-day times.
if (dayDiff == 0)
{
// A. Less than one minute ago.
if (secDiff < 60)
{
return "just now";
}
// B. Less than 2 minutes ago.
if (secDiff < 120)
{
return "1 minute ago";
}
// C.Less than one hour ago.
if (secDiff < 3600)
{
return String.Format("{0} minutes ago", Math.Floor((double)secDiff / 60));
}
// D. Less than 2 hours ago.
if (secDiff < 7200)
{
return "1 hour ago";
}
// E. Less than one day ago.
if (secDiff < 86400)
{
return String.Format("{0} hours ago", Math.Floor((double)secDiff / 3600));
}
}
// 6. Handle previous days.
if (dayDiff == 1)
{
return "yesterday";
}
if (dayDiff < 7)
{
return String.Format("{0} days ago", dayDiff);
}
if (dayDiff < 31)
{
return String.Format("{0} weeks ago", Math.Ceiling((double)dayDiff / 7));
}
return FormatDateTime(date, format);
}
}