from django.db.models import Q
from .models import Team
class TeamPermissionsBackend(object):
def authenticate(self, username=None, password=None):
return None
def get_team_permissions(self, user_obj, obj=None):
"""
Returns a set of permission strings that this user has through his/her
team memberships.
if user_obj.is_anonymous() or obj is not None:
return set()
if not hasattr(user_obj, "_team_perm_cache"):
memberships = Team.objects.filter(
Q(memberships__user=user_obj),
Q(memberships__state="manager") | Q(memberships__state="member"),
)