announcements: bound on datetime instead of date

website/announcements/migrations/0002_auto_20170402_1339.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-04-02 11:39
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('announcements', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='announcement',
+            name='since',
+            field=models.DateTimeField(default=django.utils.timezone.now, help_text='Hide this announcement before this time.', verbose_name='Display since'),
+        ),
+        migrations.AlterField(
+            model_name='announcement',
+            name='until',
+            field=models.DateTimeField(blank=True, help_text='Hide this announcement after this time.', null=True, verbose_name='Display until'),
+        ),
+    ]

website/announcements/models.py

@@ -14,13 +14,13 @@ class Announcement(models.Model, metaclass=ModelTranslateMeta):
         max_length=500,
     )
 
-    since = models.DateField(
+    since = models.DateTimeField(
         verbose_name=_('Display since'),
         help_text=_("Hide this announcement before this time."),
         default=timezone.now,
     )
 
-    until = models.DateField(
+    until = models.DateTimeField(
         verbose_name=_('Display until'),
         help_text=_("Hide this announcement after this time."),
         blank=True,
@@ -47,5 +47,5 @@ class Announcement(models.Model, metaclass=ModelTranslateMeta):
     @property
     def is_visible(self):
         """Is this announcement currently visible"""
-        return ((self.until is None or self.until > timezone.now().date()) and
-                (self.since is None or self.since <= timezone.now().date()))
+        return ((self.until is None or self.until > timezone.now()) and
+                (self.since is None or self.since <= timezone.now()))