--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/hooks/email.py Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,80 @@
+# 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
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
+"""hooks to ensure use_email / primary_email relations consistency"""
+
+__docformat__ = "restructuredtext en"
+
+from cubicweb.server import hook
+
+
+class SetUseEmailRelationOp(hook.Operation):
+ """delay this operation to commit to avoid conflict with a late rql query
+ already setting the relation
+ """
+ rtype = 'use_email'
+ entity = email = None # make pylint happy
+
+ def condition(self):
+ """check entity has use_email set for the email address"""
+ return not any(e for e in self.entity.use_email
+ if self.email.eid == e.eid)
+
+ def precommit_event(self):
+ if self.cnx.deleted_in_transaction(self.entity.eid):
+ return
+ if self.cnx.deleted_in_transaction(self.email.eid):
+ return
+ if self.condition():
+ self.cnx.execute(
+ 'SET X %s Y WHERE X eid %%(x)s, Y eid %%(y)s' % self.rtype,
+ {'x': self.entity.eid, 'y': self.email.eid})
+
+
+class SetPrimaryEmailRelationOp(SetUseEmailRelationOp):
+ rtype = 'primary_email'
+
+ def condition(self):
+ """check entity has no primary_email set"""
+ return not self.entity.primary_email
+
+
+class SetPrimaryEmailHook(hook.Hook):
+ """notify when a bug or story or version has its state modified"""
+ __regid__ = 'setprimaryemail'
+ __select__ = hook.Hook.__select__ & hook.match_rtype('use_email')
+ category = 'email'
+ events = ('after_add_relation',)
+
+ def __call__(self):
+ entity = self._cw.entity_from_eid(self.eidfrom)
+ if 'primary_email' in entity.e_schema.subject_relations():
+ SetPrimaryEmailRelationOp(self._cw, entity=entity,
+ email=self._cw.entity_from_eid(self.eidto))
+
+class SetUseEmailHook(hook.Hook):
+ """notify when a bug or story or version has its state modified"""
+ __regid__ = 'setprimaryemail'
+ __select__ = hook.Hook.__select__ & hook.match_rtype('primary_email')
+ category = 'email'
+ events = ('after_add_relation',)
+
+ def __call__(self):
+ entity = self._cw.entity_from_eid(self.eidfrom)
+ if 'use_email' in entity.e_schema.subject_relations():
+ SetUseEmailRelationOp(self._cw, entity=entity,
+ email=self._cw.entity_from_eid(self.eidto))