X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/8d1372958ce4a205f11fcdd44cf6e9cac8429a69..62d83af2cafb15b3940311cf305a30d489909d95:/apps/pdcounter/templatetags/time_tags.py

diff --git a/apps/pdcounter/templatetags/time_tags.py b/apps/pdcounter/templatetags/time_tags.py
index 1d4f23a93..e454acd6b 100755
--- a/apps/pdcounter/templatetags/time_tags.py
+++ b/apps/pdcounter/templatetags/time_tags.py
@@ -8,9 +8,15 @@ from django.utils import timezone
 register = template.Library()
 
 @register.filter
-def local_to_utc(localtime):
-    if isinstance(localtime, datetime.date):
-        localtime = datetime.datetime.combine(localtime, datetime.time(0,0))
+def date_to_utc(date, day_end=False):
+    """ Converts a datetime.date to UTC datetime.
+
+    The datetime represents the start (or end) of the given day in
+    the server's timezone.
+    """
+    if day_end:
+        date += datetime.timedelta(1)
+    localtime = datetime.datetime.combine(date, datetime.time(0,0))
     return timezone.utc.normalize(
         pytz.timezone(settings.TIME_ZONE).localize(localtime)
     )