Updating the redirection of the webapp creation

The redirection of the webapp creation now redirects to the webapp
sandbox creation page instead of the user webapp list.
Signed-off-by: Matthieu Berjon <matthieu.berjon@inria.fr>

django/allgo/main/views.py

@@ -269,7 +269,7 @@ class WebappCreate(SuccessMessageMixin, LoginRequiredMixin, GroupRequiredMixin,
 
     def get_success_url(self):
         """If successful redirect to the webapp list page"""
-        return reverse('main:user_webapp_list', args=(self.request.user,))
+        return reverse('main:webapp_sandbox_creation', args=(self.webapp.docker_name,))
 
     def form_valid(self, form):
         """Save data coming from the form in the database """
@@ -285,7 +285,10 @@ class WebappCreate(SuccessMessageMixin, LoginRequiredMixin, GroupRequiredMixin,
 
         # set up the docker container for the app
         Quota.objects.create(user=self.request.user, webapp=obj)
-        return super(WebappCreate, self).form_valid(form)
+        # pass on the webapp data to get_successful_url to redirect with the
+        # correct arguments (for instance the docker_name)
+        self.webapp = obj
+        return super().form_valid(form)
 
 
 class WebappSandboxCreation(SuccessMessageMixin, LoginRequiredMixin, CreateView):