1 """various library content hooks

     2 

     3 :organization: Logilab

     4 :copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

     5 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

     6 """

     7 __docformat__ = "restructuredtext en"

     8 

     9 from cubicweb.server.hooksmanager import Hook

    10 from cubicweb.server.pool import PreCommitOperation

    11 

    12 class AddUpdateEUserHook(Hook):

    13     """ensure user logins are stripped"""

    14     events = ('before_add_entity', 'before_update_entity',)

    15     accepts = ('EUser',)

    16     

    17     def call(self, session, entity):

    18         if 'login' in entity and entity['login']:

    19             entity['login'] = entity['login'].strip()

    20 

    21 

    22 class AutoDeleteBookmark(PreCommitOperation):

    23     def precommit_event(self):

    24         session = self.session

    25         if not self.beid in session.query_data('pendingeids', ()):

    26             if not session.unsafe_execute('Any X WHERE X bookmarked_by U, X eid %(x)s',

    27                                           {'x': self.beid}, 'x'):

    28                 session.unsafe_execute('DELETE Bookmark X WHERE X eid %(x)s',

    29                                        {'x': self.beid}, 'x')

    30         

    31 class DelBookmarkedByHook(Hook):

    32     """ensure user logins are stripped"""

    33     events = ('after_delete_relation',)

    34     accepts = ('bookmarked_by',)

    35     

    36     def call(self, session, subj, rtype, obj):

    37         AutoDeleteBookmark(session, beid=subj)