def get_user_groups(self, user):
"""
Return all group memberships for one user.
"""
key = make_key('groups', user.pk)
groups = cache.get(key)
if groups is None:
groups = self.filter(members=user).order_by('-date_joined')
cache.set(key, groups)
return groups
def unviewed_requests(self, user):
"""
Return all unviewed membership requests.
"""
key = make_key('unviewed_requests', user.pk)
unviewed_requests = cache.get(key)
if unviewed_requests is None:
unviewed_requests = self.filter(Q(viewed__isnull=True) | Q(viewed=False), from_user=user)
cache.set(key, unviewed_requests)
return unviewed_requests
def requests(self, user):
"""
Return all membership requests.
"""
key = make_key('requests', user.pk)
requests = cache.get(key)
if requests is None:
requests = self.filter(from_user=user)
cache.set(key, requests)
return requests
def rejected_requests(self, user):
"""
Return all rejected membership requests.
"""
key = make_key('rejected_requests', user.pk)
rejected_requests = cache.get(key)
if rejected_requests is None:
rejected_requests = self.filter(Q(rejected__isnull=False) | Q(rejected=True), from_user=user)
cache.set(key, rejected_requests)
return rejected_requests
def is_member(self, user, group):
"""
Check if user is a group member.
"""
if user.is_authenticated() and isinstance(group, self.model.__class__):
key = make_key('members', group.pk)
members = cache.get(key)
if members is not None and user in members:
return True
else:
try:
member = self.get(member=user, group=group)
return True
except self.model.DoesNotExist:
return False
return False