toastergui: prevent error on empty build list

This patch prevents errors being thrown on date limit
computations if the build list is empty.

[YOCTO #7513]

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/lib/toaster/toastergui/views.py b/lib/toaster/toastergui/views.py
index fdd80222abc222dc5cbdfb2401a7640576f607d6..2f8fb1a8e3e6ac4c2ecee88ec5f38b2ef9a7f30c 100755 (executable)
--- a/lib/toaster/toastergui/views.py
+++ b/lib/toaster/toastergui/views.py
@@ -334,8 +334,14 @@ def _add_daterange_context(queryset_all, request, daterange_list):
     context_date['daterange_filter']=''
     for key in daterange_list:
         queryset_key = queryset_all.order_by(key)
-        context_date['dateMin_'+key]=timezone.localtime(getattr(queryset_key.first(),key)).strftime("%d/%m/%Y")
-        context_date['dateMax_'+key]=timezone.localtime(getattr(queryset_key.last(),key)).strftime("%d/%m/%Y")
+        try:
+            context_date['dateMin_'+key]=timezone.localtime(getattr(queryset_key.first(),key)).strftime("%d/%m/%Y")
+        except AttributeError:
+            context_date['dateMin_'+key]=timezone.localtime(timezone.now())
+        try:
+            context_date['dateMax_'+key]=timezone.localtime(getattr(queryset_key.last(),key)).strftime("%d/%m/%Y")
+        except AttributeError:
+            context_date['dateMax_'+key]=timezone.localtime(timezone.now())
     return context_date,today_begin,yesterday_begin