Compatibility with Python 2.4.

[wolnelektury.git] / apps / catalogue / views.py

diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py
index f0f3e71..2906359 100644 (file)
--- a/apps/catalogue/views.py
+++ b/apps/catalogue/views.py
@@ -12,6 +12,7 @@ from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
 from django.utils import simplejson
 from django.utils.functional import Promise
 from django.utils.encoding import force_unicode
+from django.views.decorators.cache import cache_page
 
 from catalogue import models
 from catalogue import forms
@@ -73,9 +74,7 @@ def main_page(request):
     if request.user.is_authenticated():
         shelves = models.Tag.objects.filter(category='set', user=request.user)
         new_set_form = forms.NewSetForm()
-        extra_where = '(NOT catalogue_tag.category = "set" OR catalogue_tag.user_id = %d)' % request.user.id
-    else:
-        extra_where = 'NOT catalogue_tag.category = "set"'
+    extra_where = 'NOT catalogue_tag.category = "set"'
     tags = models.Tag.objects.usage_for_model(models.Book, counts=True, extra={'where': [extra_where]})
     fragment_tags = models.Tag.objects.usage_for_model(models.Fragment, counts=True,
         extra={'where': ['catalogue_tag.category = "theme"'] + [extra_where]})
@@ -99,30 +98,35 @@ def book_list(request):
 
 
 def tagged_object_list(request, tags=''):
+    # Prevent DoS attacks on our database
+    if len(tags.split('/')) > 6:
+        raise Http404
+        
     try:
         tags = models.Tag.get_tag_list(tags)
     except models.Tag.DoesNotExist:
         raise Http404
     
     model = models.Book
-    theme_is_set = any(tag.category == 'theme' for tag in tags)
+    shelf_is_set = (len(tags) == 1 and tags[0].category == 'set')
+    theme_is_set = len([tag for tag in tags if tag.category == 'theme']) > 0
     if theme_is_set:
         model = models.Fragment
-    
-    if request.user.is_authenticated():
-        extra_where = '(NOT catalogue_tag.category = "set" OR catalogue_tag.user_id = %d)' % request.user.id
-    else:
-        extra_where = 'NOT catalogue_tag.category = "set"'
+
+    extra_where = 'NOT catalogue_tag.category = "set"'
     related_tags = models.Tag.objects.related_for_model(tags, model, counts=True, extra={'where': [extra_where]})
     categories = split_tags(related_tags)
 
+    if not theme_is_set:
+        model=models.Book.objects.filter(parent=None)
+    
     return newtagging_views.tagged_object_list(
         request,
         tag_model=models.Tag,
         queryset_or_model=model,
         tags=tags,
         template_name='catalogue/tagged_object_list.html',
-        extra_context = {'categories': categories },
+        extra_context = {'categories': categories, 'shelf_is_set': shelf_is_set },
     )
 
 
@@ -130,12 +134,27 @@ def book_detail(request, slug):
     book = get_object_or_404(models.Book, slug=slug)
     tags = list(book.tags.filter(~Q(category='set')))
     categories = split_tags(tags)
+    book_children = book.children.all().order_by('parent_number')
     
     form = forms.SearchForm()
     return render_to_response('catalogue/book_detail.html', locals(),
         context_instance=RequestContext(request))
 
 
+@cache_page(60 * 60)
+def book_text(request, slug):
+    book = get_object_or_404(models.Book, slug=slug)
+    book_themes = {}
+    for fragment in book.fragments.all():
+        for theme in fragment.tags.filter(category='theme'):
+            book_themes.setdefault(theme, []).append(fragment)
+    
+    book_themes = book_themes.items()
+    book_themes.sort(key=lambda s: s[0].sort_key)
+    return render_to_response('catalogue/book_text.html', locals(),
+        context_instance=RequestContext(request))
+
+
 def logout_then_redirect(request):
     auth.logout(request)
     return HttpResponseRedirect(request.GET.get('next', '/'))