60af09cedb
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2452 fd906abe-77d9-0310-91a1-e0d9ade77398
77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
#
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# Copyright (c) 2008 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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Base classes for a notification framework.
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$Id$
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"""
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from zope.component import adapts
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from zope.interface import implements
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from cybertools.tracking.btree import Track
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from cybertools.tracking.interfaces import ITrackingStorage
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from loops.organize.personal.interfaces import IFavorites, IFavorite
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from loops import util
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class Favorites(object):
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implements(IFavorites)
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adapts(ITrackingStorage)
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def __init__(self, context):
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self.context = context
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def list(self, person, sortKey=None):
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if person is None:
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return
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personUid = util.getUidForObject(person)
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if sortKey is None:
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sortKey = lambda x: -x.timeStamp
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for item in sorted(self.context.query(userName=personUid), key=sortKey):
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yield item.taskId
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def add(self, obj, person):
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if None in (obj, person):
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return False
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uid = util.getUidForObject(obj)
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personUid = util.getUidForObject(person)
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if self.context.query(userName=personUid, taskId=uid):
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return False
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return self.context.saveUserTrack(uid, 0, personUid, {})
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def remove(self, obj, person):
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if None in (obj, person):
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return False
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uid = util.getUidForObject(obj)
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personUid = util.getUidForObject(person)
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changed = False
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for t in self.context.query(userName=personUid, taskId=uid):
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changed = True
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self.context.removeTrack(t)
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return changed
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class Favorite(Track):
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implements(IFavorite)
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typeName = 'Favorite'
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