misc: unify context processors into an extended one (#23856)

wcs/context_processors.py

@@ -14,10 +14,10 @@
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, see <http://www.gnu.org/licenses/>.
 
-from quixote import get_publisher, get_response
+from quixote import get_publisher, get_response, get_request
 
 def publisher(request):
-    return {'publisher': get_publisher}
-
-def response(request):
-    return {'response': get_response}
+    return {'publisher': get_publisher,
+            'response': get_response,
+            'user': lambda: get_request() and get_request().user,
+            }

wcs/settings.py

@@ -99,7 +99,6 @@ TEMPLATES = [
                 "django.template.context_processors.tz",
                 "django.contrib.messages.context_processors.messages",
                 "wcs.context_processors.publisher",
-                "wcs.context_processors.response",
             ],
             'loaders': [
                 'wcs.utils.TemplateLoader',