From b41bbd164c67ff9bf0543770e8f551de8e85140f Mon Sep 17 00:00:00 2001
From: Thomas NOEL <tnoel@entrouvert.com>
Date: Mon, 27 Mar 2017 15:34:06 +0200
Subject: [PATCH] backoffice: display message on global statistics when there
 are no formdefs (#15644)

---
 tests/test_backoffice_pages.py | 16 ++++++++++++++++
 wcs/backoffice/management.py   | 11 +++++++++++
 2 files changed, 27 insertions(+)

diff --git a/tests/test_backoffice_pages.py b/tests/test_backoffice_pages.py
index bc3c2391..0e92e0d3 100644
--- a/tests/test_backoffice_pages.py
+++ b/tests/test_backoffice_pages.py
@@ -802,6 +802,22 @@ def test_backoffice_statistics(pub):
     assert '<h2>Filters</h2>' in resp.body
     assert 'End: 2013-01-01' in resp.body
 
+def test_backoffice_statistics_with_no_formdefs(pub):
+    create_user(pub)
+    create_environment(pub)
+    FormDef.wipe()
+    if pub.is_using_postgresql():
+        from wcs.sql import get_connection_and_cursor, drop_global_views
+        conn, cur = get_connection_and_cursor()
+        drop_global_views(conn, cur)
+        conn.commit()
+        cur.close()
+
+    app = login(get_app(pub))
+    resp = app.get('/backoffice/management/').follow()
+    resp = resp.click('Global statistics')
+    assert 'This site is currently empty.' in resp.body
+
 def test_backoffice_statistics_status_filter(pub):
     create_superuser(pub)
     create_environment(pub)
diff --git a/wcs/backoffice/management.py b/wcs/backoffice/management.py
index 48b6a0f4..441445bf 100644
--- a/wcs/backoffice/management.py
+++ b/wcs/backoffice/management.py
@@ -606,6 +606,17 @@ class ManagementDirectory(Directory):
         return r.getvalue()
 
     def statistics(self):
+        if FormDef.count() == 0:
+            r = TemplateIO(html=True)
+            r += htmltext('<div class="top-title">')
+            r += htmltext('<h2>%s</h2>') % _('Global statistics')
+            r += htmltext('</div>')
+            r += htmltext('<div class="big-msg-info">')
+            r += htmltext('<p>%s</p>') % _(
+                'This site is currently empty.  It is required to first add forms.')
+            r += htmltext('</div>')
+            return r.getvalue()
+
         html_top('management', _('Global statistics'))
         get_response().breadcrumb.append(('statistics', _('Global statistics')))
         get_response().filter['sidebar'] = self.get_stats_sidebar()
-- 
2.11.0