Last active
December 15, 2015 07:59
-
-
Save rturowicz/5227935 to your computer and use it in GitHub Desktop.
django - multiple / custom managers
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# managers.py | |
class ModelClassApprovedOnlyManager(models.Manager): | |
def get_query_set(): | |
self.get_query_set().filter(is_approved=True) | |
# models.py | |
class ModelClass(models.Model): | |
# ... | |
all_objects = models.Manager() # first manager used in admin | |
objects = ModelClassApprovedOnlyManager() # second manager used by "objects" | |
# ------------------------ # | |
# querysets.py | |
class EventQuerySet(models.query.QuerySet): | |
def published(self): | |
return self.filter(is_published=True) | |
def upcoming(self): | |
return self.filter(start_date__gte=datetime.datetime.now()) | |
# managers.py | |
class EventManager(models.Manager): | |
def get_query_set(self): | |
return EventQuerySet(self.model, using=self._db) | |
def published(self): | |
return self.get_query_set().published() | |
def upcoming(self): | |
return self.get_query_set().upcoming() | |
# models.py | |
class Event(models.Model): | |
is_published = models.BooleanField(default=False) | |
start_date = models.DateTimeField() | |
# ... | |
objects = EventManager() # override the default manager |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment