use Library.granted_date in sendmails command

input/management/commands/sendmails.py

@@ -46,7 +46,6 @@ class Command(BaseCommand):
     def end_of_projects_reached(self):
         ''' end of project reached '''
         # get all projects which ended
-        # - timedelta(days=21))
         old = Project.objects.filter(end__lt = date.today())\
                              .exclude(end_mail_send = True)
 
@@ -73,7 +72,9 @@ class Command(BaseCommand):
 
         self.end_of_projects_reached()
 
+        # get all library objects which where granted two weeks ago
         supported = Library.objects.filter(granted=True)\
+                                   .filter(granted_date__lt = date.today() - timedelta(days=14))\
                                    .exclude(survey_mail_send=True)
         print(supported)
         for item in supported: