From 26862ed2efe73cb2ec3344a1c6ac3b0a69a199d8 Mon Sep 17 00:00:00 2001
From: Paul van Tilburg <paul@mozcode.nl>
Date: Sat, 25 Oct 2014 21:53:30 +0200
Subject: [PATCH] Add private method for the TimeEntry model to round time

The method uses the configuration to determine the resolution and is
inspired by the following StackOverflow answer:
https://stackoverflow.com/a/4182700.
---
 stoptime.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/stoptime.rb b/stoptime.rb
index 845e770..f8b1c79 100644
--- a/stoptime.rb
+++ b/stoptime.rb
@@ -354,6 +354,21 @@ module StopTime::Models
     def hours_total
       ((self.end - self.start) / 1.hour).round(2)
     end
+
+    #######
+    private
+
+    def round_time(t)
+      config = Config.instance
+      res = config["time_resolution"]
+      down = t - (t.to_i % res.minutes)
+      up = down + res.minutes
+
+      diff_down = t - down
+      diff_up = up - t
+
+      diff_down < diff_up ? down : up
+    end
   end
 
   # == The invoice class