backoffice: add a notice on deleted user pages (#42393)

tests/test_admin_pages.py

@@ -4177,6 +4177,23 @@ def test_users_delete(pub):
     assert PasswordAccount.count() == account_count - 1
 
 
+def test_users_view_deleted(pub):
+    pub.user_class.wipe()
+    PasswordAccount.wipe()
+    create_superuser(pub)
+    user = pub.user_class(name='foo bar')
+    user.store()
+    account = PasswordAccount(id='test')
+    account.user_id = user.id
+    account.store()
+
+    user.set_deleted()
+
+    app = login(get_app(pub))
+    resp = app.get('/backoffice/users/%s/' % user.id)
+    assert 'Marked as deleted on' in resp
+
+
 def test_users_pagination(pub):
     pub.user_class.wipe()
     PasswordAccount.wipe()

wcs/admin/users.py

@@ -127,6 +127,12 @@ class UserPage(Directory):
         r += htmltext('</div>')
         users_cfg = get_cfg('users', {})
 
+        if self.user.deleted_timestamp:
+            r += htmltext('<div class="warningnotice">')
+            r += _('Marked as deleted on %(date)s.') % {
+                    'date': misc.localstrftime(self.user.deleted_timestamp)}
+            r += htmltext('</div>')
+
         r += htmltext('<div class="splitcontent-left">')
 
         r += htmltext('<div class="bo-block">')