1 files changed, 27 insertions, 5 deletions
diff --git a/app/stuff/models.py b/app/stuff/models.py
index ee065a2..05a7f4f 100644
--- a/app/stuff/models.py
+++ b/app/stuff/models.py
@@ -1,5 +1,7 @@
 from django.db import models
-from django.utils.encoding import force_text
+from django.urls import reverse
+from django.utils.html import format_html
+from django.utils import timezone
 from django.conf import settings
 
 
@@ -25,8 +27,8 @@ class Item(models.Model):
     image = models.FileField(upload_to='stuff/', null=True, blank=True)
     item_format = models.CharField(max_length=255, blank=True, null=True)
     date_released = models.DateTimeField(blank=True, null=True)
-    date_purchased = models.DateTimeField(blank=True, null=True)
-    date_added = models.DateTimeField(blank=True, null=True)
+    date_purchased = models.DateTimeField(blank=True, null=True, default=timezone.now)
+    date_added = models.DateTimeField(blank=True, null=True, default=timezone.now)
 
     class Meta:
         ordering = ['-date_added']
@@ -34,10 +36,30 @@ class Item(models.Model):
     def __str__(self):
         return self.title
 
+    @property
+    def get_previous_published(self):
+        return self.get_previous_by_date_added(status__exact=1)
+
+    @property
+    def get_next_published(self):
+        return self.get_next_by_date_added(status__exact=1)
+
+    @property
+    def get_previous_admin_url(self):
+        n = self.get_previous_by_date_added()
+        return reverse('admin:%s_%s_change' % (self._meta.app_label,  self._meta.model_name),  args=[n.id])
+
+    @property
+    def get_next_admin_url(self):
+        model = apps.get_model(app_label=self._meta.app_label, model_name=self._meta.model_name)
+        try:
+            return reverse('admin:%s_%s_change' % (self._meta.app_label,  self._meta.model_name),  args=[self.get_next_by_date_added().pk])
+        except model.DoesNotExist:
+            return ''
+
     def get_image_url(self):
         return '%s%s' % (settings.MEDIA_URL, self.image)
 
     def admin_thumbnail(self):
-        return force_text('<a href=""><img src="%s" width="100" style="width:100px"></a>' % (self.get_image_url()))
-    admin_thumbnail.allow_tags = True
+        return format_html('<img src="%s" width="100" style="width:100px">' % (self.get_image_url()))
     admin_thumbnail.short_description = 'Thumbnail'