X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/aed70facf3a26e27b1a96b04cad8139de600e42f..eb383b976ed875888b261bf5901ee484aa2dcf8f:/src/catalogue/views.py

diff --git a/src/catalogue/views.py b/src/catalogue/views.py
index bb5d43ff0..95298897c 100644
--- a/src/catalogue/views.py
+++ b/src/catalogue/views.py
@@ -269,7 +269,12 @@ class TaggedObjectList(BookList):
         self.ctx['fragment_tags'] = [t for t in self.ctx['tags'] if t.category in ('theme', 'object')]
         self.ctx['work_tags'] = [t for t in self.ctx['tags'] if t not in self.ctx['fragment_tags']]
         self.is_themed = self.ctx['has_theme'] = bool(self.ctx['fragment_tags'])
-        self.ctx['main_tag'] = self.ctx['fragment_tags'][0] if self.is_themed else self.ctx['tags'][0]
+        if self.is_themed:
+            self.ctx['main_tag'] = self.ctx['fragment_tags'][0]
+        elif self.ctx['tags']:
+            self.ctx['main_tag'] = self.ctx['tags'][0]
+        else:
+            self.ctx['main_tag'] = None
         self.ctx['filtering_tags'] = [
             t for t in self.ctx['tags']
             if t is not self.ctx['main_tag']
@@ -279,9 +284,12 @@ class TaggedObjectList(BookList):
         qs = Book.tagged.with_all(self.ctx['work_tags']).filter(findable=True)
         qs = qs.exclude(ancestor__in=qs)
         if self.is_themed:
-            qs = Fragment.tagged.with_all(self.ctx['fragment_tags']).filter(
-                Q(book__in=qs) | Q(book__ancestor__in=qs)
-            )
+            fqs = Fragment.tagged.with_all(self.ctx['fragment_tags'])
+            if self.ctx['work_tags']:
+                fqs = fqs.filter(
+                    Q(book__in=qs) | Q(book__ancestor__in=qs)
+                )
+            qs = fqs
         return qs
 
     def get_suggested_tags(self, queryset):
@@ -439,6 +447,8 @@ def analyse_tags(request, tag_str):
         raise ResponseInstead(HttpResponsePermanentRedirect(
             reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)])))
 
+    if not tags:
+        raise Http404
     try:
         if len(tags) > settings.MAX_TAG_LIST:
             raise Http404
@@ -560,8 +570,6 @@ def book_detail(request, slug):
             'club_form': ScheduleForm() if book.preview else None,
             'club': Club.objects.first() if book.preview else None,
             'donation_form': DonationStep1Form(),
-
-            'EXPERIMENTS_SWITCHABLE_layout': True,
         })