cybertools/organize/service.py
helmutm 954db76abe starting with organize.service; new package cybertools.composer
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1732 fd906abe-77d9-0310-91a1-e0d9ade77398
2007-05-14 20:31:15 +00:00

62 lines
1.6 KiB
Python

#
# Copyright (c) 2007 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Service instance classes.
$Id$
"""
from zope.interface import implements
from cybertools.organize.interfaces import IService
from cybertools.organize.interfaces import IScheduledService
class Registration(object):
def __init__(self, client):
self.client = client
class Service(object):
implements(IService)
def __init__(self, seats=-1):
self.capacity = capacity
self.registrations = []
@property
def availableCapacity(self):
if self.capacity >= 0 and len(self.registrations) >= self.capacity:
return 0
return self.capacity - len(self.registrations)
def register(self, client):
if self.availableCapacity:
reg = Registration(client)
self.registrations.append(reg)
return reg
return None
class ScheduledService(Service):
implements(IScheduledService)