X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/c6db46d42f0a6b9dbd5abb6ce2be58fe306752b6..0bcf3b50304dc2159e9005b78000f212edd2d4bf:/apps/catalogue/models/tag.py

diff --git a/apps/catalogue/models/tag.py b/apps/catalogue/models/tag.py
index 3c4509dda..b0c75fbb4 100644
--- a/apps/catalogue/models/tag.py
+++ b/apps/catalogue/models/tag.py
@@ -3,9 +3,10 @@
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from django.contrib.auth.models import User
+from django.core.exceptions import ValidationError
 from django.db import models
 from django.db.models import permalink
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import ugettext, ugettext_lazy as _
 from newtagging.models import TagBase
 
 
@@ -71,6 +72,11 @@ class Tag(TagBase):
     def get_absolute_url(self):
         return ('catalogue.views.tagged_object_list', [self.url_chunk])
 
+    def clean(self):
+        if self.category == 'book' and (self.gazeta_link or self.wiki_link):
+            raise ValidationError(ugettext(
+                u"Book tags can't have attached links. Set them directly on the book instead of it's tag."))
+
     @classmethod
     @permalink
     def create_url(cls, category, slug):
@@ -146,7 +152,7 @@ class Tag(TagBase):
 
     @staticmethod
     def tags_from_info(info):
-        from slughifi import slughifi
+        from fnpdjango.utils.text.slughifi import slughifi
         from sortify import sortify
         meta_tags = []
         categories = (('kinds', 'kind'), ('genres', 'genre'), ('authors', 'author'), ('epochs', 'epoch'))