From 943e25a252d15d07f047bb7d1f8dae38d0d8a89b Mon Sep 17 00:00:00 2001
From: Hylke Bons <hylkebons@gmail.com>
Date: Sun, 20 Jun 2010 20:42:41 +0100
Subject: [PATCH] Add method ToRelativeDate to SparkleHelpers

---
 SparkleShare/SparkleHelpers.cs | 57 ++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/SparkleShare/SparkleHelpers.cs b/SparkleShare/SparkleHelpers.cs
index c3b6e9e8..134eddd7 100644
--- a/SparkleShare/SparkleHelpers.cs
+++ b/SparkleShare/SparkleHelpers.cs
@@ -141,6 +141,63 @@ namespace SparkleShare {
 
 		}
 
+
+		// Formats a timestamp to a relative date compared to the current time
+		// Example: "about 5 hours ago"
+		public static string ToRelativeDate (DateTime date_time)
+		{
+			TimeSpan time_span = new TimeSpan (0);
+			time_span = DateTime.Now - date_time;
+
+			if (time_span <= TimeSpan.FromSeconds (60)) {
+				if (time_span.Seconds > 1)			
+					return string.Format ("{0} seconds ago", time_span.Seconds);
+				else
+					return "a second ago";
+			}
+
+			if (time_span <= TimeSpan.FromSeconds (60)) {
+				if (time_span.Minutes > 1)			
+					return string.Format ("about {0} minutes ago", time_span.Minutes);
+				else
+					return "a minute ago";
+			}
+
+			if (time_span <= TimeSpan.FromHours(24)) {
+				if (time_span.Hours > 1)			
+					return string.Format ("about {0} minutes ago", time_span.Hours);
+				else
+					return "about an hour ago";
+			}
+
+			if (time_span <= TimeSpan.FromDays(30)) {
+				if (time_span.Days > 1)	
+					return string.Format ("{0} days ago", time_span.Days);
+				else
+					return "yesterday";
+			}
+
+			if (time_span <= TimeSpan.FromDays(365)) {
+				if (time_span.Days > 1)	
+					return string.Format ("{0} months ago", (int) time_span.Days / 30);
+				else
+					return "a month ago";
+			}
+
+			if (time_span <= TimeSpan.FromDays(365)) {
+				if (time_span.Days > 1)	
+					return string.Format ("{0} months ago", (int) time_span.Days / 365);
+				else
+					return "a month ago";
+			}
+
+			if (time_span.Days > 365)
+				return string.Format ("{0} months ago", (int) time_span.Days / 365);
+			else
+				return "a year ago";
+
+		}		
+
 	}
 
 }