auf_savoirs_en_partage/chercheurs/middleware.py

   1 from django.core.exceptions import MultipleObjectsReturned
   2 from chercheurs.models import Personne, Chercheur
   3
   4 class LazyChercheur(object):
   5
   6     def __get__(self, request, obj_type=None):
   7         if not hasattr(request, '_cached_chercheur'):
   8             request._cached_chercheur = None
   9             if request.user.is_authenticated():
  10                 try:
  11                     request._cached_chercheur = Chercheur.objects.get(actif=True, courriel=request.user.email)
  12                 except (Personne.DoesNotExist, Chercheur.DoesNotExist, MultipleObjectsReturned):
  13                     pass
  14         return request._cached_chercheur
  15
  16 class ChercheurMiddleware(object):
  17
  18     def process_request(self, request):
  19         request.__class__.chercheur = LazyChercheur()