time.rb in usaidwat-1.2.0

- old
+ new

@@ -1,12 +1,63 @@
 require 'usaidwat/ext/string'
 
 class Time
   def ago
-    case minutes_ago
+    delta.ago
+  end
+
+  def seconds_ago
+    delta.seconds_ago
+  end
+
+  def minutes_ago
+    delta.minutes_ago
+  end
+
+  def hours_ago
+    delta.hours_ago
+  end
+
+  def days_ago
+    delta.days_ago
+  end
+
+  def weeks_ago
+    delta.weeks_ago
+  end
+
+  def months_ago
+    delta.months_ago
+  end
+
+  def years_ago
+    delta.years_ago
+  end
+
+  private
+
+  def delta
+    Time.now - self
+  end
+end
+
+class Numeric
+  def negative?
+    self < 0
+  end
+
+  def positive?
+    self > 0
+  end
+end
+
+class Float
+  def ago
+    raise ArgumentError, "Delta is negative: #{self}" if negative?
+    case minutes_ago.to_i
     when 0..1
-      case seconds_ago
+      case seconds_ago.to_i
       when 0..5   then "less than 5 seconds ago"
       when 6..10  then "less than 10 seconds ago"
       when 11..20 then "less than 20 seconds ago"
       when 21..40 then "half a minute ago"
       when 41..59 then "less than a minute ago"
@@ -18,15 +69,15 @@
     when 1441..2880      then "a day ago"
     when 2881..10080     then "about #{days_ago.round} days ago"
     when 10081..43220    then "about #{weeks_ago.round} #{"week".pluralize(weeks_ago.round)} ago"
     when 43221..525960   then "about #{months_ago.round} #{"month".pluralize(months_ago.round)} ago"
     when 525960..1051920 then "about a year ago"
-    else                      "over #{years_ago.round} years ago"
+    else                      "over #{years_ago.to_i} years ago"
     end
   end
 
   def seconds_ago
-    Time.now.to_i - to_i
+    self
   end
 
   def minutes_ago
     seconds_ago / 60.0
   end