Added Datefields for creation and last modied metadata. It's currently used for the sitemap.xml.

src/events/models.py

@@ -1,16 +1,18 @@
 # -'- Encoding: utf-8 -*-
 
 import os
+
+from ckeditor.fields import RichTextField
 from django.conf import settings
-from django.core.urlresolvers import reverse
 from django.core.exceptions import ValidationError
+from django.core.urlresolvers import reverse
 from django.db import models
 from django.db.models import Q
 from django.template.defaultfilters import slugify
 from django.utils.timezone import now
 from django.utils.translation import ugettext as _
-from ckeditor.fields import RichTextField
 from easy_thumbnails.fields import ThumbnailerImageField
+
 from utils import COUNTRIES, OverwriteStorage
 
 
@@ -46,9 +48,9 @@ def get_upload_path(instance, filename):
 
 
 class EventManager(models.Manager):
-
     def get_queryset(self):
-        return super(EventManager, self).get_queryset().select_related('location')
+        return super(EventManager, self).get_queryset().select_related(
+            'location')
 
     def current_event(self):
         try:
@@ -104,13 +106,28 @@ class Event(models.Model):
         null=True
     )
     photo_count = models.PositiveIntegerField(default=0, editable=False)
-    event_series = models.ForeignKey('Event', blank=True, null=True,
-                                     on_delete=models.SET_NULL, editable=True,
-                                     verbose_name=_('Event Series'),
-                                     help_text=_(u'Wenn dieser Event zu einer Veranstaltungsreihe gehört \
+    event_series = models.ForeignKey(
+        'Event',
+        blank=True,
+        null=True,
+        on_delete=models.SET_NULL, editable=True,
+        verbose_name=_('Event Series'),
+        help_text=_(u'Wenn dieser Event zu einer Veranstaltungsreihe gehört \
         werden Ort, Beschreibung, Bild und Homepage von dem hier angegebenen \
         Event übernommen.')
-                                     )
+    )
+    date_created = models.DateTimeField(
+        auto_now_add=True,
+        null=True,
+        db_index=True,
+        editable=False,
+        verbose_name=_('first created at'),
+    )
+    date_modified = models.DateTimeField(
+        auto_now=True,
+        editable=False,
+        verbose_name=_('latest updated at'),
+    )
     objects = EventManager()
 
     class Meta(object):
@@ -165,6 +182,10 @@ class Event(models.Model):
         else:
             return None
 
+    @property
+    def is_future_event(self):
+        return self.start > now()
+
     def save(self, **kwargs):
         # Fülle fehlende Felder mit den Angaben der Hauptveranstaltung aus.
         if self.event_series:
@@ -197,6 +218,18 @@ class Location(models.Model):
     street_address = models.CharField(_('Street Address'), max_length=127)
     locality = models.CharField(_('Locality'), max_length=127)
     country = models.CharField(_('Country'), max_length=2, choices=COUNTRIES)
+    date_created = models.DateTimeField(
+        auto_now_add=True,
+        db_index=True,
+        editable=False,
+        null=True,
+        verbose_name=_('first created at'),
+    )
+    date_modified = models.DateTimeField(
+        auto_now=True,
+        editable=False,
+        verbose_name=_('latest updated at'),
+    )
 
     class Meta(object):
         verbose_name = _('Venue')
@@ -212,7 +245,6 @@ class Location(models.Model):
 
 
 class PhotoManager(models.Manager):
-
     def get_random(self, startpage=True):
         if startpage:
             queryset = self.filter(on_startpage=True)
@@ -226,8 +258,11 @@ class PhotoManager(models.Manager):
 
 class Photo(models.Model):
     name = models.CharField(_("Name"), max_length=100, blank=True)
-    image = ThumbnailerImageField(_("Image"), upload_to=get_upload_path,
-                                  storage=OverwriteStorage())
+    image = ThumbnailerImageField(
+        _("Image"),
+        upload_to=get_upload_path,
+        storage=OverwriteStorage()
+    )
     event = models.ForeignKey('events.Event')
     description = models.TextField(
         _("Description"),
@@ -247,6 +282,19 @@ class Photo(models.Model):
         editable=False,
         default=0
     )
+    date_created = models.DateTimeField(
+        auto_now_add=True,
+        db_index=True,
+        editable=False,
+        null=True,
+        verbose_name=_('first created at'),
+    )
+    date_modified = models.DateTimeField(
+        auto_now=True,
+        editable=False,
+        verbose_name=_('latest updated at'),
+    )
+
     objects = PhotoManager()
     metadata = None
     orientation = 1