add category view url with id instead of slug to make BlogCategory.get_absolute_url() work in any case

djangocms_blog/cms_app.py

@@ -15,12 +15,12 @@ class BlogCategoryMenu(CMSAttachMenu):
     def get_nodes(self, request):
         nodes = []
         qs = BlogCategory.objects.translated(get_language())
-        qs = qs.order_by('parent_id', 'translations__name').distinct()
+        qs = qs.order_by('parent_id', 'translations__name')
         for category in qs:
             kwargs = { 'category': category.slug }
             node = NavigationNode(
                 category.name,
-                reverse('djangocms_blog:posts-category', kwargs=kwargs),
+                category.get_absolute_url(),
                 category.pk,
                 category.parent_id
             )

djangocms_blog/models.py

@@ -49,6 +49,16 @@ class BlogCategory(TranslatableModel):
     def count(self):
         return self.blog_posts.filter(publish=True).count()
 
+    def get_absolute_url(self):
+        slug = None
+        lang = get_language()
+        if self.has_translation(lang):
+            slug = self.safe_translation_getter('slug', language_code=lang)
+        if slug is not None:
+            return reverse('djangocms_blog:posts-category', kwargs={'category':slug})
+        # fallback to url with id in case there is no translation of slug
+        return reverse('djangocms_blog:posts-category-id', kwargs={'category_id':self.pk})
+ 
     def __str__(self):
         return self.safe_translation_getter('name')
 

djangocms_blog/urls.py

@@ -15,6 +15,7 @@ urlpatterns = patterns(
     url(r'^(?P<year>\d{4})/(?P<month>\d{1,2})/(?P<day>\d{1,2})/(?P<slug>\w[-\w]*)/$', PostDetailView.as_view(), name='post-detail'),
     url(r'^author/(?P<username>[\w\.@+-]+)/$', AuthorEntriesView.as_view(), name='posts-author'),
     url(r'^category/(?P<category>[\w\.@+-]+)/$', CategoryEntriesView.as_view(), name='posts-category'),
+    url(r'^category_id/(?P<category_id>\d+)/$', CategoryEntriesView.as_view(), name='posts-category-id'),
     url(r'^tag/(?P<tag>[-\w]+)/$', TaggedListView.as_view(), name='posts-tagged'),
     url(r'^tag/(?P<tag>[-\w]+)/feed/$', TagFeed(), name='posts-tagged-feed'),
 )

djangocms_blog/views.py

@@ -133,12 +133,21 @@ class CategoryEntriesView(BaseBlogView, ListView):
     @property
     def category(self):
         if not self._category:
-            self._category = BlogCategory.objects.active_translations(get_language(), slug=self.kwargs['category']).latest('pk')
+            if 'category' in self.kwargs:
+                self._category = BlogCategory.objects.active_translations(get_language(), slug=self.kwargs['category']).latest('pk')
+            else:
+                self._category = BlogCategory.objects.get(pk=self.kwargs['category_id'])
         return self._category
 
+    def get(self, *args, **kwargs):
+        # submit object to cms toolbar to get correct language switcher behavior
+        if hasattr(self.request, 'toolbar'):
+            self.request.toolbar.set_object(self.category)
+        return super(CategoryEntriesView, self).get(*args, **kwargs)
+
     def get_queryset(self):
         qs = super(CategoryEntriesView, self).get_queryset()
-        if 'category' in self.kwargs:
+        if 'category' in self.kwargs or 'category_id' in self.kwargs:
             qs = qs.filter(categories=self.category.pk)
         return qs