Refactor Can*Mixin

core/models.py

@@ -772,6 +772,8 @@ class Page(models.Model):
         if not locked:
             raise NotLocked("The page is not locked and thus can not be saved")
         self.full_clean()
+        if not self.id:
+            super(Page, self).save(*args, **kwargs) # Save a first time to correctly set _full_name
         # This reset the _full_name just before saving to maintain a coherent field quicker for queries than the
         # recursive method
         # It also update all the children to maintain correct names

core/tests.py

@@ -3,15 +3,13 @@ from django.core.urlresolvers import reverse
 from django.contrib.auth.models import Group
 from django.core.management import call_command
 
-from core.models import User, Group
+from core.models import User, Group, Page
 
 """
 to run these tests :
     python3 manage.py test
 """
 
-
-
 class UserRegistrationTest(TestCase):
     def setUp(self):
         try:
@@ -212,27 +210,20 @@ class PageHandlingTest(TestCase):
         """
         Should display a page correctly
         """
-        self.client.post(reverse('core:page_prop', kwargs={'page_name': 'guy'}), {
+        parent = Page(name="guy", owner_group=Group.objects.filter(id=1).first())
-            'parent': '',
+        parent.save(force_lock=True)
-            'name': 'guy',
+        page = Page(name="bibou", owner_group=Group.objects.filter(id=1).first(), parent=parent)
-            'title': 'Guy',
+        page.save(force_lock=True)
-            'Content': 'Guyéuyuyé',
-            })
-        self.client.post(reverse('core:page_prop', kwargs={'page_name': 'guy/bibou'}), {
-            'parent': '1',
-            'name': 'bibou',
-            'title': 'Bibou',
-            'Content':
-            'Bibibibiblblblblblbouuuuuuuuu',
-            })
         response = self.client.get(reverse('core:page', kwargs={'page_name': 'guy/bibou'}))
         self.assertTrue(response.status_code == 200)
+        self.assertTrue('<a href="/page/guy/bibou/edit">\\xc3\\x89diter</a>' in str(response.content))
 
     def test_access_page_not_found(self):
         """
         Should not display a page correctly
         """
         response = self.client.get(reverse('core:page', kwargs={'page_name': 'swagg'}))
+        response = self.client.get("/page/swagg/")
         self.assertTrue(response.status_code == 200)
         self.assertTrue('<a href="/page/create?page=swagg">' in str(response.content))
 

core/views/__init__.py

@@ -1,3 +1,4 @@
+import types
 
 from django.shortcuts import render
 from django.http import HttpResponseForbidden, HttpResponseNotFound
@@ -57,19 +58,20 @@ class CanEditPropMixin(View):
     object's owner_group
     """
     def dispatch(self, request, *arg, **kwargs):
-        res = super(CanEditPropMixin, self).dispatch(request, *arg, **kwargs)
+        try:
-        if res.__class__.status_code == 302:
+            self.object = self.get_object()
-            return res
+            if can_edit_prop(self.object, request.user):
-        if hasattr(self, 'object'):
+                return super(CanEditPropMixin, self).dispatch(request, *arg, **kwargs)
-            obj = self.object
-        elif hasattr(self, 'object_list'):
-            obj = self.object_list[0] if self.object_list else None
-        if can_edit_prop(obj, self.request.user):
-            return res
-        try: # Always unlock when 403
-            self.object.unset_lock()
         except: pass
-        raise PermissionDenied
+        # If we get here, it's a ListView
+        l_id = [o.id for o in self.get_queryset() if can_edit_prop(o, request.user)]
+        if not l_id:
+            raise PermissionDenied
+        self._get_queryset = self.get_queryset
+        def get_qs(self2):
+            return self2._get_queryset().filter(id__in=l_id)
+        self.get_queryset = types.MethodType(get_qs, self)
+        return super(CanEditPropMixin, self).dispatch(request, *arg, **kwargs)
 
 class CanEditMixin(View):
     """
@@ -77,19 +79,20 @@ class CanEditMixin(View):
     object
     """
     def dispatch(self, request, *arg, **kwargs):
-        res = super(CanEditMixin, self).dispatch(request, *arg, **kwargs)
+        try:
-        if res.__class__.status_code == 302:
+            self.object = self.get_object()
-            return res
+            if can_edit(self.object, request.user):
-        if hasattr(self, 'object'):
+                return super(CanEditMixin, self).dispatch(request, *arg, **kwargs)
-            obj = self.object
-        elif hasattr(self, 'object_list'):
-            obj = self.object_list[0] if self.object_list else None
-        if can_edit(obj, self.request.user):
-            return res
-        try: # Always unlock when 403
-            self.object.unset_lock()
         except: pass
-        raise PermissionDenied
+        # If we get here, it's a ListView
+        l_id = [o.id for o in self.get_queryset() if can_edit(o, request.user)]
+        if not l_id:
+            raise PermissionDenied
+        self._get_queryset = self.get_queryset
+        def get_qs(self2):
+            return self2._get_queryset().filter(id__in=l_id)
+        self.get_queryset = types.MethodType(get_qs, self)
+        return super(CanEditMixin, self).dispatch(request, *arg, **kwargs)
 
 class CanViewMixin(View):
     """
@@ -97,30 +100,20 @@ class CanViewMixin(View):
     the object
     """
     def dispatch(self, request, *arg, **kwargs):
-        res = super(CanViewMixin, self).dispatch(request, *arg, **kwargs)
+        try:
-        if res.__class__.status_code == 302:
+            self.object = self.get_object()
-            return res
+            if can_view(self.object, request.user):
-        if hasattr(self, 'object'):
+                return super(CanViewMixin, self).dispatch(request, *arg, **kwargs)
-            obj = self.object
-        elif hasattr(self, 'object_list'):
-            obj = self.object_list[0] if self.object_list else None
-        if can_view(obj, self.request.user):
-            return res
-        try: # Always unlock when 403
-            self.object.unset_lock()
         except: pass
-        raise PermissionDenied
+        # If we get here, it's a ListView
-
+        l_id = [o.id for o in self.get_queryset() if can_view(o, request.user)]
-    def get_context_data(self, **kwargs):
+        if not l_id:
-        context = super(CanViewMixin, self).get_context_data(**kwargs)
+            raise PermissionDenied
-        if hasattr(self, 'object_list'):
+        self._get_queryset = self.get_queryset
-            ba_list = list(self.object_list)
+        def get_qs(self2):
-            l = []
+            return self2._get_queryset().filter(id__in=l_id)
-            for ba in ba_list:
+        self.get_queryset = types.MethodType(get_qs, self)
-                if self.request.user.can_view(ba):
+        return super(CanViewMixin, self).dispatch(request, *arg, **kwargs)
-                    l.append(ba)
-            context['object_list'] = l
-        return context
 
 class TabedViewMixin(View):
     """

core/views/page.py

@@ -87,7 +87,8 @@ class PageCreateView(CanCreateMixin, CreateView):
 
     def form_valid(self, form):
         form.instance.set_lock(self.request.user)
-        return super(PageCreateView, self).form_valid(form)
+        ret = super(PageCreateView, self).form_valid(form)
+        return ret
 
 class PagePropView(CanEditPropMixin, UpdateView):
     model = Page