def get_queryset(self):
if hasattr(self.instance, "detail_history"):
from cyano.models import Revision
#print "m2m history"
try:
return self.instance._prefetched_objects_cache[self.prefetch_cache_name]
except (AttributeError, KeyError):
db = self._db or router.db_for_read(self.instance.__class__, instance=self.instance)
ct_id = ContentType.objects.get_for_model(self.model).pk
queryset = Manager.get_queryset(self).using(db)._next_is_sticky().all()#.filter(**self.core_filters)
revision = Revision.objects.filter(
object_id__in=queryset,
content_type__pk=ct_id,
detail_id__lte=self.instance.detail_history).order_by("-detail").first()
data = []
if revision is not None:
new_data = json.loads(revision.new_data)
if self.prefetch_cache_name in new_data:
data = new_data[self.prefetch_cache_name]
##print "History:", self.instance.detail_history, "Data:", data
queryset = queryset.filter(pk__in=data)
for item in queryset:
setattr(item, "detail_history", self.instance.detail_history)
#queryset = queryset.filter(pk__in = vals)
##print "Queryset:", queryset#, self.core_filters, self.target_field_name, self.source_field_name, self._fk_val
return queryset
else:
queryset = super(HistoryManyRelatedManager, self).get_queryset()
#print queryset
return queryset
