Aggregation doesn't work with generic relations.

[prawokultury.git] / events / models.py

diff --git a/events/models.py b/events/models.py
index 9c216af..1151a11 100644 (file)
--- a/events/models.py
+++ b/events/models.py
@@ -2,13 +2,17 @@
 # This file is part of PrawoKultury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
+from django.conf import settings
+from django.core.exceptions import ValidationError
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
-from migdal.helpers import add_translatable
+from django.utils.translation import ugettext_lazy as _, ugettext
+from fnpdjango.utils.models.translation import add_translatable
 
 
 class Event(models.Model):
     date = models.DateTimeField(_('date'), max_length=255, db_index=True)
+    date_end = models.DateTimeField(_('end date'), max_length=255, 
+        db_index=True, blank=True)
     link = models.URLField(_('link'))
 
     class Meta:
@@ -19,9 +23,24 @@ class Event(models.Model):
     def __unicode__(self):
         return self.title
 
+    def clean(self):
+        if self.date_end:
+            if self.date_end < self.date:
+                raise ValidationError(
+                    ugettext("End date must not be earlier than start."))
+        else:
+            self.date_end = self.date
+        for lc, ln in settings.LANGUAGES:
+            if (getattr(self, "published_%s" % lc) and
+                    not getattr(self, "title_%s" % lc)):
+                raise ValidationError(
+                    ugettext("Published event should have a title in relevant language (%s).") % lc)
+
 
 add_translatable(Event, {
-    'title': models.CharField(_('title'), max_length=255),
-    'organizer': models.CharField(_('organizer'), max_length=255, db_index=True),
-    'place': models.CharField(_('place'), max_length=255),
+    'title': models.CharField(_('title'), max_length=255, blank=True),
+    'organizer': models.CharField(_('organizer'), max_length=255,
+            db_index=True, blank=True),
+    'place': models.CharField(_('place'), max_length=255, blank=True),
+    'published': models.BooleanField(_('published'), default=False),
 })