a6dbafcce8
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@3575 fd906abe-77d9-0310-91a1-e0d9ade77398
71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
#
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# Copyright (c) 2009 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Utility for collecting information about logged-in/active users.
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Author: Hannes Plattner.
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$Id$
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"""
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from zope.interface import implements
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from zope.cachedescriptors.property import Lazy
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from cybertools.meta.interfaces import IOptions
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from cybertools.util.date import getTimeStamp
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from loops.organize.interfaces import IPresence
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from loops.organize.party import getPersonForUser
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from loops.organize import util
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class Presence(object):
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implements(IPresence)
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def __init__(self, min_until_logout=10, presentUsers=None):
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self.min_until_logout = min_until_logout
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self.presentUsers = presentUsers or {}
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def update(self, principalId):
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self.addPresentUser(principalId)
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self.removeInactiveUsers()
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def addPresentUser(self, principalId):
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self.presentUsers[principalId] = getTimeStamp()
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def removeInactiveUsers(self):
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toDelete = []
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for id, timeStamp in self.presentUsers.iteritems():
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if (getTimeStamp() - timeStamp) > (self.min_until_logout*60):
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toDelete.append(id)
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for id in toDelete:
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if id in self.presentUsers:
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del self.presentUsers[id]
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def getPresentUsers(self, context=None):
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ret = []
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for id, timeStamp in self.presentUsers.iteritems():
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principal = util.getPrincipalForUserId(id)
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person = getPersonForUser(context, principal=principal)
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ret.append(person or principal)
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return ret
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def removePresentUser(self, principalId):
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if principalId in self.presentUsers:
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del self.presentUsers[principalId]
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