update librarian

[redakcja.git] / apps / cover / models.py

diff --git a/apps/cover/models.py b/apps/cover/models.py
index d4432c2..d83dad3 100644 (file)
--- a/apps/cover/models.py
+++ b/apps/cover/models.py
@@ -3,10 +3,8 @@
 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
-import re
-from urlparse import urljoin
-from django.conf import settings
 from django.core.files.base import ContentFile
+from django.core.files.storage import FileSystemStorage
 from django.db import models
 from django.db.models.signals import post_save
 from django.dispatch import receiver
@@ -15,14 +13,22 @@ from django.contrib.sites.models import Site
 from cover.utils import URLOpener
 
 
+class OverwriteStorage(FileSystemStorage):
+
+    def get_available_name(self, name, max_length=None):
+        self.delete(name)
+        return name
+
+
 class Image(models.Model):
     title = models.CharField(max_length=255, verbose_name=_('title'))
     author = models.CharField(max_length=255, verbose_name=_('author'))
     license_name = models.CharField(max_length=255, verbose_name=_('license name'))
     license_url = models.URLField(max_length=255, blank=True, verbose_name=_('license URL'))
-    source_url = models.URLField(verbose_name=_('source URL'), null = True)
-    download_url = models.URLField(unique=True, verbose_name=_('image download URL'), null = True)
-    file = models.ImageField(upload_to='cover/image', editable=True, verbose_name=_('file'))
+    source_url = models.URLField(verbose_name=_('source URL'), null=True, blank=True)
+    download_url = models.URLField(unique=True, verbose_name=_('image download URL'), null=True, blank=True)
+    file = models.ImageField(
+        upload_to='cover/image', storage=OverwriteStorage(), editable=True, verbose_name=_('file'))
 
     class Meta:
         verbose_name = _('cover image')
@@ -33,7 +39,7 @@ class Image(models.Model):
 
     @models.permalink
     def get_absolute_url(self):
-        return ('cover_image', [self.id])
+        return 'cover_image', [self.id]
 
     def get_full_url(self):
         return "http://%s%s" % (Site.objects.get_current().domain, self.get_absolute_url())
@@ -44,5 +50,3 @@ def download_image(sender, instance, **kwargs):
     if instance.pk and not instance.file:
         t = URLOpener().open(instance.download_url).read()
         instance.file.save("%d.jpg" % instance.pk, ContentFile(t))
-        
-        
\ No newline at end of file