1 files changed, 37 insertions, 0 deletions
diff --git a/main/templatetags/flags.py b/main/templatetags/flags.py
index 5b356561..d50ee51d 100644
--- a/main/templatetags/flags.py
+++ b/main/templatetags/flags.py
@@ -1,3 +1,4 @@
+from datetime import timedelta
 from django import template
 
 register = template.Library()
@@ -10,4 +11,40 @@ def country_flag(country):
     return '<span class="fam-flag fam-flag-%s" title="%s"></span> ' % (
             unicode(country.code).lower(), unicode(country.name))
 
+@register.filter
+def percentage(value, arg=1):
+    if not value and type(value) != float:
+        return u''
+    new_val = value * 100.0
+    return '%.*f%%' % (arg, new_val)
+
+@register.filter
+def duration(value):
+    if not value and type(value) != timedelta:
+        return u''
+    # does not take microseconds into account
+    total_secs = value.seconds + value.days * 24 * 3600
+    mins = total_secs // 60
+    hrs, mins = divmod(mins, 60)
+    return '%d:%02d' % (hrs, mins)
+
+@register.filter
+def floatvalue(value, arg=2):
+    if value is None:
+        return u''
+    return '%.*f' % (arg, value)
+
+
+@register.filter
+def hours(value):
+    if not value and type(value) != timedelta:
+        return u''
+    # does not take microseconds into account
+    total_secs = value.seconds + value.days * 24 * 3600
+    mins = total_secs // 60
+    hrs, mins = divmod(mins, 60)
+    if hrs == 1:
+        return '%d hour' % hrs
+    return '%d hours' % hrs
+
 # vim: set ts=4 sw=4 et: