fix inverted add_participant test

- restart vcweb before reloading nginx / redis

fabfile.py

@@ -253,6 +253,7 @@ def deploy(vcs_branch_dict):
             if confirm("Run database migrations?"):
                 _virtualenv(sudo, '%(python)s manage.py migrate' % env, user=env.deploy_user)
             _virtualenv(sudo, '%(python)s manage.py collectstatic' % env, user=env.deploy_user)
+            execute(reload_uwsgi)
             sudo_chain(
                 'chmod -R ug+rw .',
                 'find %(static_root)s %(virtualenv_path)s -type d -exec chmod a+x {} \;' % env,
@@ -261,4 +262,3 @@ def deploy(vcs_branch_dict):
                 'chown -R %(deploy_user)s:%(deploy_group)s . %(static_root)s %(virtualenv_path)s' % env,
                 _restart_command(),
                 pty=True)
-            execute(reload_uwsgi)

vcweb/core/subjectpool/views.py

@@ -282,7 +282,7 @@ def add_participant(request, pk=None):
     participant = get_object_or_404(Participant.objects.select_related('user'), user__email=participant_email)
     es = get_object_or_404(ExperimentSession, pk=pk)
     # First check that the experiment session has already been completed
-    if es.scheduled_end_date < datetime.now():
+    if es.scheduled_end_date > datetime.now():
         logger.debug("%s tried to add participant %s to pending experiment session %s - ignoring",
                      request.user, participant, pk)
         return JsonResponse({'success': False, 'error': "You can't manually add a participant to a pending experiment session."})