Merge remote branch 'chenba/574276-nickname-blacklist'

apps/users/admin.py

@@ -48,17 +48,25 @@ def add_view(self, request, form_url='', extra_context=None):
                 inserted = 0
                 duplicates = 0
                 for n in form.cleaned_data['nicknames'].splitlines():
+                    # check with teh cache
+                    if BlacklistedNickname.blocked(n):
+                        duplicates += 1
+                        continue
+                    n = n.decode().lower().encode('utf-8')
                     try:
                         BlacklistedNickname.objects.create(nickname=n)
                         inserted += 1
                     except IntegrityError:
+                        # although unlikely, someone else could have added
+                        # the nickname.
                         # note: unless we manage the transactions manually,
                         # we do lose a primary id here
                         duplicates += 1
                 msg = '%s new nicknames added to the blacklist.' % (inserted)
                 if duplicates:
                     msg += ' %s duplicates were ignored.' % (duplicates)
                 messages.success(request, msg)
+                form = forms.BlacklistedNicknameAddForm()
                 # Default django admin change list view does not print messages
                 # no redirect for now
                 # return http.HttpResponseRedirect(reverse(

apps/users/fixtures/users/test_backends.json

@@ -150,7 +150,7 @@
         "pk": 1,
         "model": "users.blacklistednickname",
         "fields": {
-            "nickname": "IE6Fan",
+            "nickname": "ie6fan",
             "modified": "2010-07-21 23:32:05",
             "created": "2010-07-21 23:32:05"
         }

apps/users/forms.py

@@ -176,7 +176,8 @@ def clean(self):
 
         if 'nicknames' in data:
             data['nicknames'] = os.linesep.join(
-                    [s for s in data['nicknames'].splitlines() if s])
+                    [s.strip() for s in data['nicknames'].splitlines()
+                        if s.strip()])
         if 'nicknames' not in data or data['nicknames'] == '':
             msg = 'Please enter at least one nickname to blacklist.'
             self._errors['nicknames'] = ErrorList([msg])

apps/users/models.py

@@ -11,6 +11,7 @@
 from django.db import models
 from django.template import Context, loader
 
+import caching.base as caching
 import commonware.log
 from tower import ugettext as _
 
@@ -202,10 +203,12 @@ def __unicode__(self):
 
     @classmethod
     def blocked(cls, nick):
-        """Check to see if a nickname is in the blacklist."""
-        # Could also cache the entire blacklist and simply check if the
-        # nickname is in the list here. @TODO?
-        return cls.uncached.only('nickname').filter(nickname=nick).exists()
+        """Check to see if a nickname is in the (cached) blacklist."""
+        nick = nick.decode().lower().encode('utf-8')
+        qs = cls.objects.all()
+        f = lambda: dict(qs.values_list('nickname', 'id'))
+        blacklist = caching.cached_with(qs, f, 'blocked')
+        return nick in blacklist
 
 
 class PersonaAuthor(unicode):

apps/users/tests/test_forms.py

@@ -309,8 +309,9 @@ def test_no_nicknames(self):
     def test_add(self):
         self.client.login(username='testo@example.com', password='foo')
         url = reverse('admin:users_blacklistednickname_add')
-        data = {'nicknames': "IE6Fan\nfubar\n\n", }
+        data = {'nicknames': "IE6Fan\nFubar\n\n fubar \n", }
         r = self.client.post(url, data)
         msg = '1 new nicknames added to the blacklist. '
-        msg += '1 duplicates were ignored.'
+        msg += '2 duplicates were ignored.'
         self.assertContains(r, msg)
+        self.assertNotContains(r, 'fubar')