def get_or_create(group_name=None, display_name=None, place=None, level=None, user=None,
group_type='interest', description='', permission_prototype='public') :
"""get or create a group
"""
# note : we can't use get_or_create for TgGroup, because the created date clause won't match on a different day
# from the day the record was created.
if not user:
raise TypeError("We must have a user to create a group, since otherwise it will be inaccessible")
if not place:
place = get_or_create_root_location()
xs = TgGroup.objects.filter(group_name=group_name)
if len(xs) > 0 :
group = xs[0]
created = False
else :
created = True
group = TgGroup(group_name=group_name, display_name=display_name, level=level,
place=place, description=description, group_type=group_type)
group.save()
if level == 'member':
admin_group, created = TgGroup.objects.get_or_create(
group_name=group_name + "_hosts",
display_name=display_name + " Hosts",
level='host',
place=place,
user=user,
description="Admin Group for %s" % display_name,
)
setup_group_security(group, group, admin_group, user, permission_prototype)
elif level == 'host':
setup_group_security(group, group, group, user, 'private')
if group.group_name != "all_members_hosts" :
group.add_member(get_all_members_group().get_admin_group())
return group, created
