hooks/bookmark.py
author Julien Cristau <julien.cristau@logilab.fr>
Wed, 23 Oct 2013 14:18:58 +0200
branchstable
changeset 9305 f7a738afc295
parent 8544 3d049071957e
child 9616 1cbdd0b25805
permissions -rw-r--r--
[notification] avoid leaking cnxsets (closes #3243810) When sending notifications, we get each recipient as either an email address or a CWUser. In the latter case, we create a temporary session for that user and use it to send the mail. However, if we later decided to not send the mail after all, we'd leak the session and its cnxset. Add a try block inside the loop to make sure the temporary sessions are closed properly.

# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
# details.
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# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
"""bookmark related hooks"""

__docformat__ = "restructuredtext en"

from cubicweb.server import hook


class AutoDeleteBookmarkOp(hook.Operation):
    bookmark = None # make pylint happy
    def precommit_event(self):
        if not self.session.deleted_in_transaction(self.bookmark.eid):
            if not self.bookmark.bookmarked_by:
                self.bookmark.cw_delete()


class DelBookmarkedByHook(hook.Hook):
    """ensure user logins are stripped"""
    __regid__ = 'autodelbookmark'
    __select__ = hook.Hook.__select__ & hook.match_rtype('bookmarked_by',)
    category = 'bookmark'
    events = ('after_delete_relation',)

    def __call__(self):
        AutoDeleteBookmarkOp(self._cw,
                             bookmark=self._cw.entity_from_eid(self.eidfrom))