--- a/hooks/metadata.py Fri Aug 14 11:13:18 2009 +0200
+++ b/hooks/metadata.py Fri Aug 14 11:14:10 2009 +0200
@@ -11,9 +11,7 @@
from datetime import datetime
from cubicweb.selectors import entity_implements
-from cubicweb.server.hook import Hook
-from cubicweb.server.pool import Operation, LateOperation, PreCommitOperation
-from cubicweb.server.hookhelper import rproperty
+from cubicweb.server import hook
from cubicweb.server.repository import FTIndexEntityOp
@@ -28,14 +26,18 @@
return eschema.eid
-class InitMetaAttrsHook(Hook):
+class MetaDataHook(hook.Hook):
+ __abstract__ = True
+ category = 'metadata'
+
+
+class InitMetaAttrsHook(MetaDataHook):
"""before create a new entity -> set creation and modification date
this is a conveniency hook, you shouldn't have to disable it
"""
- id = 'metaattrsinit'
+ __id__ = 'metaattrsinit'
events = ('before_add_entity',)
- category = 'metadata'
def __call__(self):
timestamp = datetime.now()
@@ -46,31 +48,31 @@
self.entity.setdefault('cwuri', cwuri)
-class UpdateMetaAttrsHook(Hook):
+class UpdateMetaAttrsHook(MetaDataHook):
"""update an entity -> set modification date"""
- id = 'metaattrsupdate'
+ __id__ = 'metaattrsupdate'
events = ('before_update_entity',)
- category = 'metadata'
+
def __call__(self):
self.entity.setdefault('modification_date', datetime.now())
-class _SetCreatorOp(PreCommitOperation):
+class _SetCreatorOp(hook.Operation):
def precommit_event(self):
session = self.session
- if self.entity.eid in session.transaction_data.get('pendingeids', ()):
+ if session.deleted_in_transaction(self.entity.eid):
# entity have been created and deleted in the same transaction
return
if not self.entity.created_by:
session.add_relation(self.entity.eid, 'created_by', session.user.eid)
-class SetIsHook(Hook):
+class SetIsHook(MetaDataHook):
"""create a new entity -> set is relation"""
- id = 'setis'
+ __id__ = 'setis'
events = ('after_add_entity',)
- category = 'metadata'
+
def __call__(self):
if hasattr(self.entity, '_cw_recreating'):
return
@@ -87,11 +89,11 @@
eschema_type_eid(session, etype))
-class SetOwnershipHook(Hook):
+class SetOwnershipHook(MetaDataHook):
"""create a new entity -> set owner and creator metadata"""
- id = 'setowner'
+ __id__ = 'setowner'
events = ('after_add_entity',)
- category = 'metadata'
+
def __call__(self):
asession = self.cw_req.actual_session()
if not asession.is_internal_session:
@@ -99,48 +101,48 @@
_SetCreatorOp(asession, entity=self.entity)
-class _SyncOwnersOp(PreCommitOperation):
+class _SyncOwnersOp(hook.Operation):
def precommit_event(self):
self.session.unsafe_execute('SET X owned_by U WHERE C owned_by U, C eid %(c)s,'
'NOT EXISTS(X owned_by U, X eid %(x)s)',
{'c': self.compositeeid, 'x': self.composedeid},
('c', 'x'))
-class SyncCompositeOwner(Hook):
+
+class SyncCompositeOwner(MetaDataHook):
"""when adding composite relation, the composed should have the same owners
has the composite
"""
- id = 'synccompositeowner'
+ __id__ = 'synccompositeowner'
events = ('after_add_relation',)
- category = 'metadata'
+
def __call__(self):
if self.rtype == 'wf_info_for':
# skip this special composite relation # XXX (syt) why?
return
eidfrom, eidto = self.eidfrom, self.eidto
- composite = rproperty(self.cw_req, self.rtype, eidfrom, eidto, 'composite')
+ composite = self.cw_req.schema_rproperty(self.rtype, eidfrom, eidto, 'composite')
if composite == 'subject':
_SyncOwnersOp(self.cw_req, compositeeid=eidfrom, composedeid=eidto)
elif composite == 'object':
_SyncOwnersOp(self.cw_req, compositeeid=eidto, composedeid=eidfrom)
-class FixUserOwnershipHook(Hook):
+class FixUserOwnershipHook(MetaDataHook):
"""when a user has been created, add owned_by relation on itself"""
- id = 'fixuserowner'
- __select__ = Hook.__select__ & entity_implements('CWUser')
+ __id__ = 'fixuserowner'
+ __select__ = MetaDataHook.__select__ & entity_implements('CWUser')
events = ('after_add_entity',)
- category = 'metadata'
+
def __call__(self):
self.cw_req.add_relation(self.entity.eid, 'owned_by', self.entity.eid)
-class UpdateFTIHook(Hook):
+class UpdateFTIHook(MetaDataHook):
"""sync fulltext index when relevant relation is added / removed
"""
- id = 'updateftirel'
+ __id__ = 'updateftirel'
events = ('after_add_relation', 'after_delete_relation')
- category = 'metadata'
def __call__(self):
rtype = self.rtype