def create_group(self, user_id, name, owner, description='',
member_perms=[],
other_perms=[],
member_join_perms=[],
other_join_perms=[],
anon_read=0,
no_pay=False):
"""Create a new group.
member_perms, other_perms: see qon.group.HasAccessPolicy
member_join_perms, other_join_Perms: see qon.group.HasMembership
"""
user_id = user_id.lower()
if self.root.has_key(user_id) or get_usergroup_database().has_key(user_id):
raise KeyError, "Key %s already exists." % user_id
if not no_pay:
# charge owner for new group - don't create group if can't pay
from qon.karma import NoKarmaToGive
try:
owner.pay_karma(self._karma_new_group)
except NoKarmaToGive:
return None
group = Group(user_id=user_id, name=name, owner=owner)
group.add_owner(owner)
group.add_sponsor(owner)
group.anon_read = anon_read
group.description = description
usergroup = UserGroup(group.user_id)
get_usergroup_database().add_usergroup(usergroup)
group.set_owning_group(usergroup)
# members must have at least read access -- otherwise, what's the point of membership?
mem_perms = member_perms
if 'read' not in mem_perms:
mem_perms.append('read')
group.set_group_perms(mem_perms)
group.set_other_perms(other_perms)
group.get_members().set_group_perms(member_join_perms)
group.get_members().set_other_perms(other_join_perms)
# flush owner's group list cache
self._flush_user_data_caches(owner)
self.add_group(group)
return group
def remove_group(self, group):
del self[group.user_id]
self.mod_queue.remove_from_queue(group)
# quit groups that group is a member of
for g in self.member_groups(group):
self.leave_group(g, group)
# remove members from group
for member in group.get_member_list():
self.leave_group(member, group)
# remove owners from group
for owner in group.get_owners():
self.leave_group(owner, group)
# delete usergroup - must be last, since leave_group needs it
get_usergroup_database().remove_usergroup(group.user_id)
def join_group(self, user, group, force=0):
"""User joins group. Disable can_join check by passing True to force."""
if not force and not group.can_join(user):
raise NotEnoughPrivileges
group.add_member(user)
user.add_to_group(get_usergroup_database().get_usergroup(group.get_user_id()))
if hasattr(user, 'karma_activity_credit'):
# groups can join groups, and groups don't have karma_activity_credit
user.karma_activity_credit()
self._flush_user_data_caches(user)
def leave_group(self, user, group):
group.remove_member(user)
user.remove_from_group(get_usergroup_database().get_usergroup(group.get_user_id()))
self._flush_user_data_caches(user)
def is_staff(self):
staff = get_usergroup_database().get_usergroup('staff')
return staff in self.group_list()
def is_admin(self):
admin = get_usergroup_database().get_usergroup('admin')
return admin in self.group_list()
