server/hooks.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 31 Jul 2009 23:47:20 +0200
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child 2607 5d889b4928bb
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[R hooks] use DONT_CHECK_RTYPES_ON_[ADD|DEL] don't compute rset if not necessary
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"""Core hooks: check schema validity, unsure we are not deleting necessary
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entities...
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:organization: Logilab
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:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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"""
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__docformat__ = "restructuredtext en"
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from datetime import datetime
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from cubicweb import UnknownProperty, ValidationError, BadConnectionId
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from cubicweb.server.pool import Operation, LateOperation, PreCommitOperation
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from cubicweb.server.hookhelper import (check_internal_entity, previous_state,
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                                     get_user_sessions, rproperty)
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from cubicweb.server.repository import FTIndexEntityOp
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# special relations that don't have to be checked for integrity, usually
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# because they are handled internally by hooks (so we trust ourselves)
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DONT_CHECK_RTYPES_ON_ADD = set(('owned_by', 'created_by',
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                                'is', 'is_instance_of',
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                                'wf_info_for', 'from_state', 'to_state'))
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DONT_CHECK_RTYPES_ON_DEL = set(('is', 'is_instance_of',
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                                'wf_info_for', 'from_state', 'to_state'))
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def relation_deleted(session, eidfrom, rtype, eidto):
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    session.transaction_data.setdefault('pendingrelations', []).append(
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        (eidfrom, rtype, eidto))
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def eschema_type_eid(session, etype):
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    """get eid of the CWEType entity for the given yams type"""
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    eschema = session.repo.schema.eschema(etype)
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    # eschema.eid is None if schema has been readen from the filesystem, not
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    # from the database (eg during tests)
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    if eschema.eid is None:
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        eschema.eid = session.unsafe_execute(
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            'Any X WHERE X is CWEType, X name %(name)s', {'name': etype})[0][0]
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    return eschema.eid
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# base meta-data handling ######################################################
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def setctime_before_add_entity(session, entity):
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    """before create a new entity -> set creation and modification date
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    this is a conveniency hook, you shouldn't have to disable it
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    """
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    timestamp = datetime.now()
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    entity.setdefault('creation_date', timestamp)
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    entity.setdefault('modification_date', timestamp)
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    if not session.get_shared_data('do-not-insert-cwuri'):
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        entity.setdefault('cwuri', u'%seid/%s' % (session.base_url(), entity.eid))
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def setmtime_before_update_entity(session, entity):
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    """update an entity -> set modification date"""
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    entity.setdefault('modification_date', datetime.now())
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class SetCreatorOp(PreCommitOperation):
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    def precommit_event(self):
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        session = self.session
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        if self.entity.eid in session.transaction_data.get('pendingeids', ()):
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            # entity have been created and deleted in the same transaction
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            return
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        if not self.entity.created_by:
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            session.add_relation(self.entity.eid, 'created_by', session.user.eid)
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def setowner_after_add_entity(session, entity):
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    """create a new entity -> set owner and creator metadata"""
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    asession = session.actual_session()
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    if not asession.is_internal_session:
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        session.add_relation(entity.eid, 'owned_by', asession.user.eid)
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        SetCreatorOp(asession, entity=entity)
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def setis_after_add_entity(session, entity):
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    """create a new entity -> set is relation"""
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    if hasattr(entity, '_cw_recreating'):
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        return
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    try:
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        session.add_relation(entity.eid, 'is',
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                             eschema_type_eid(session, entity.id))
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    except IndexError:
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        # during schema serialization, skip
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        return
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    # XXX < 2.50 bw compat
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    if not session.get_shared_data('do-not-insert-is_instance_of'):
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        for etype in entity.e_schema.ancestors() + [entity.e_schema]:
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            session.add_relation(entity.eid, 'is_instance_of',
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                                 eschema_type_eid(session, etype))
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def setowner_after_add_user(session, entity):
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    """when a user has been created, add owned_by relation on itself"""
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    session.add_relation(entity.eid, 'owned_by', entity.eid)
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def fti_update_after_add_relation(session, eidfrom, rtype, eidto):
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    """sync fulltext index when relevant relation is added. Reindexing the
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    contained entity is enough since it will implicitly reindex the container
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    entity.
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    """
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    ftcontainer = session.repo.schema.rschema(rtype).fulltext_container
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    if ftcontainer == 'subject':
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        FTIndexEntityOp(session, entity=session.entity_from_eid(eidto))
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    elif ftcontainer == 'object':
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        FTIndexEntityOp(session, entity=session.entity_from_eid(eidfrom))
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def fti_update_after_delete_relation(session, eidfrom, rtype, eidto):
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    """sync fulltext index when relevant relation is deleted. Reindexing both
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    entities is necessary.
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    """
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    if session.repo.schema.rschema(rtype).fulltext_container:
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        FTIndexEntityOp(session, entity=session.entity_from_eid(eidto))
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        FTIndexEntityOp(session, entity=session.entity_from_eid(eidfrom))
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class SyncOwnersOp(PreCommitOperation):
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    def precommit_event(self):
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        self.session.unsafe_execute('SET X owned_by U WHERE C owned_by U, C eid %(c)s,'
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                                    'NOT EXISTS(X owned_by U, X eid %(x)s)',
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                                    {'c': self.compositeeid, 'x': self.composedeid},
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                                    ('c', 'x'))
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def sync_owner_after_add_composite_relation(session, eidfrom, rtype, eidto):
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    """when adding composite relation, the composed should have the same owners
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    has the composite
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    """
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    if rtype == 'wf_info_for':
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        # skip this special composite relation # XXX (syt) why?
0
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        return
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    composite = rproperty(session, rtype, eidfrom, eidto, 'composite')
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    if composite == 'subject':
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        SyncOwnersOp(session, compositeeid=eidfrom, composedeid=eidto)
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    elif composite == 'object':
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        SyncOwnersOp(session, compositeeid=eidto, composedeid=eidfrom)
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def _register_metadata_hooks(hm):
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    """register meta-data related hooks on the hooks manager"""
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    hm.register_hook(setctime_before_add_entity, 'before_add_entity', '')
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    hm.register_hook(setmtime_before_update_entity, 'before_update_entity', '')
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    hm.register_hook(setowner_after_add_entity, 'after_add_entity', '')
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    hm.register_hook(sync_owner_after_add_composite_relation, 'after_add_relation', '')
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    hm.register_hook(fti_update_after_add_relation, 'after_add_relation', '')
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    hm.register_hook(fti_update_after_delete_relation, 'after_delete_relation', '')
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    if 'is' in hm.schema:
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        hm.register_hook(setis_after_add_entity, 'after_add_entity', '')
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    if 'CWUser' in hm.schema:
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        hm.register_hook(setowner_after_add_user, 'after_add_entity', 'CWUser')
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# core hooks ##################################################################
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class DelayedDeleteOp(PreCommitOperation):
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    """delete the object of composite relation except if the relation
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    has actually been redirected to another composite
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    """
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    def precommit_event(self):
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        session = self.session
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        if not self.eid in session.transaction_data.get('pendingeids', ()):
0
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            etype = session.describe(self.eid)[0]
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            session.unsafe_execute('DELETE %s X WHERE X eid %%(x)s, NOT %s'
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                                   % (etype, self.relation),
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                                   {'x': self.eid}, 'x')
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def handle_composite_before_del_relation(session, eidfrom, rtype, eidto):
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    """delete the object of composite relation"""
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    composite = rproperty(session, rtype, eidfrom, eidto, 'composite')
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    if composite == 'subject':
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        DelayedDeleteOp(session, eid=eidto, relation='Y %s X' % rtype)
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    elif composite == 'object':
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        DelayedDeleteOp(session, eid=eidfrom, relation='X %s Y' % rtype)
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def before_del_group(session, eid):
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    """check that we don't remove the owners group"""
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    check_internal_entity(session, eid, ('owners',))
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# schema validation hooks #####################################################
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class CheckConstraintsOperation(LateOperation):
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    """check a new relation satisfy its constraints
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    """
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    def precommit_event(self):
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        eidfrom, rtype, eidto = self.rdef
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        # first check related entities have not been deleted in the same
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        # transaction
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        pending = self.session.transaction_data.get('pendingeids', ())
0
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        if eidfrom in pending:
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            return
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        if eidto in pending:
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            return
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        for constraint in self.constraints:
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            try:
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                constraint.repo_check(self.session, eidfrom, rtype, eidto)
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            except NotImplementedError:
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                self.critical('can\'t check constraint %s, not supported',
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                              constraint)
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0
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    def commit_event(self):
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        pass
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def cstrcheck_after_add_relation(session, eidfrom, rtype, eidto):
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    """check the relation satisfy its constraints
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    this is delayed to a precommit time operation since other relation which
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    will make constraint satisfied may be added later.
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    """
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    constraints = rproperty(session, rtype, eidfrom, eidto, 'constraints')
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    if constraints:
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        CheckConstraintsOperation(session, constraints=constraints,
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                                  rdef=(eidfrom, rtype, eidto))
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def uniquecstrcheck_before_modification(session, entity):
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    eschema = entity.e_schema
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    for attr, val in entity.items():
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        if val is None:
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            continue
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        if eschema.subject_relation(attr).is_final() and \
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               eschema.has_unique_values(attr):
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            rql = '%s X WHERE X %s %%(val)s' % (entity.e_schema, attr)
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            rset = session.unsafe_execute(rql, {'val': val})
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            if rset and rset[0][0] != entity.eid:
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                msg = session._('the value "%s" is already used, use another one')
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                raise ValidationError(entity.eid, {attr: msg % val})
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class CheckRequiredRelationOperation(LateOperation):
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    """checking relation cardinality has to be done after commit in
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    case the relation is being replaced
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    """
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    eid, rtype = None, None
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0
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    def precommit_event(self):
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        # recheck pending eids
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        if self.eid in self.session.transaction_data.get('pendingeids', ()):
0
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            return
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        if self.session.unsafe_execute(*self._rql()).rowcount < 1:
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            etype = self.session.describe(self.eid)[0]
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            _ = self.session._
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            msg = _('at least one relation %(rtype)s is required on %(etype)s (%(eid)s)')
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            msg %= {'rtype': _(self.rtype), 'etype': _(etype), 'eid': self.eid}
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            raise ValidationError(self.eid, {self.rtype: msg})
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0
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    def commit_event(self):
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        pass
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0
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    def _rql(self):
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        raise NotImplementedError()
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0
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class CheckSRelationOp(CheckRequiredRelationOperation):
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    """check required subject relation"""
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    def _rql(self):
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        return 'Any O WHERE S eid %%(x)s, S %s O' % self.rtype, {'x': self.eid}, 'x'
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0
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class CheckORelationOp(CheckRequiredRelationOperation):
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    """check required object relation"""
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    def _rql(self):
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        return 'Any S WHERE O eid %%(x)s, S %s O' % self.rtype, {'x': self.eid}, 'x'
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0
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def checkrel_if_necessary(session, opcls, rtype, eid):
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    """check an equivalent operation has not already been added"""
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    for op in session.pending_operations:
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        if isinstance(op, opcls) and op.rtype == rtype and op.eid == eid:
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            break
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    else:
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        opcls(session, rtype=rtype, eid=eid)
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0
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def cardinalitycheck_after_add_entity(session, entity):
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    """check cardinalities are satisfied"""
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    eid = entity.eid
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    for rschema, targetschemas, x in entity.e_schema.relation_definitions():
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        # skip automatically handled relations
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        if rschema.type in DONT_CHECK_RTYPES_ON_ADD:
0
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   293
            continue
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        if x == 'subject':
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            subjtype = entity.e_schema
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   296
            objtype = targetschemas[0].type
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            cardindex = 0
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   298
            opcls = CheckSRelationOp
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   299
        else:
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            subjtype = targetschemas[0].type
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            objtype = entity.e_schema
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            cardindex = 1
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            opcls = CheckORelationOp
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        card = rschema.rproperty(subjtype, objtype, 'cardinality')
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   305
        if card[cardindex] in '1+':
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            checkrel_if_necessary(session, opcls, rschema.type, eid)
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   308
0
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   309
def cardinalitycheck_before_del_relation(session, eidfrom, rtype, eidto):
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    """check cardinalities are satisfied"""
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diff changeset
   311
    if rtype in DONT_CHECK_RTYPES_ON_DEL:
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        return
0
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   313
    card = rproperty(session, rtype, eidfrom, eidto, 'cardinality')
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diff changeset
   314
    pendingeids = session.transaction_data.get('pendingeids', ())
0
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diff changeset
   315
    if card[0] in '1+' and not eidfrom in pendingeids:
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   316
        checkrel_if_necessary(session, CheckSRelationOp, rtype, eidfrom)
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   317
    if card[1] in '1+' and not eidto in pendingeids:
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   318
        checkrel_if_necessary(session, CheckORelationOp, rtype, eidto)
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   319
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   320
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   321
def _register_core_hooks(hm):
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   322
    hm.register_hook(handle_composite_before_del_relation, 'before_delete_relation', '')
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diff changeset
   323
    hm.register_hook(before_del_group, 'before_delete_entity', 'CWGroup')
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   324
0
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   325
    #hm.register_hook(cstrcheck_before_update_entity, 'before_update_entity', '')
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diff changeset
   326
    hm.register_hook(cardinalitycheck_after_add_entity, 'after_add_entity', '')
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diff changeset
   327
    hm.register_hook(cardinalitycheck_before_del_relation, 'before_delete_relation', '')
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diff changeset
   328
    hm.register_hook(cstrcheck_after_add_relation, 'after_add_relation', '')
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diff changeset
   329
    hm.register_hook(uniquecstrcheck_before_modification, 'before_add_entity', '')
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diff changeset
   330
    hm.register_hook(uniquecstrcheck_before_modification, 'before_update_entity', '')
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diff changeset
   331
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   332
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   333
# user/groups synchronisation #################################################
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diff changeset
   334
0
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   335
class GroupOperation(Operation):
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   336
    """base class for group operation"""
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diff changeset
   337
    geid = None
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diff changeset
   338
    def __init__(self, session, *args, **kwargs):
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   339
        """override to get the group name before actual groups manipulation:
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   340
0
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diff changeset
   341
        we may temporarily loose right access during a commit event, so
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diff changeset
   342
        no query should be emitted while comitting
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diff changeset
   343
        """
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   344
        rql = 'Any N WHERE G eid %(x)s, G name N'
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diff changeset
   345
        result = session.execute(rql, {'x': kwargs['geid']}, 'x', build_descr=False)
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diff changeset
   346
        Operation.__init__(self, session, *args, **kwargs)
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diff changeset
   347
        self.group = result[0][0]
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diff changeset
   348
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   349
0
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   350
class DeleteGroupOp(GroupOperation):
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   351
    """synchronize user when a in_group relation has been deleted"""
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diff changeset
   352
    def commit_event(self):
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   353
        """the observed connections pool has been commited"""
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diff changeset
   354
        groups = self.cnxuser.groups
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diff changeset
   355
        try:
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diff changeset
   356
            groups.remove(self.group)
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diff changeset
   357
        except KeyError:
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diff changeset
   358
            self.error('user %s not in group %s',  self.cnxuser, self.group)
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diff changeset
   359
            return
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   360
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e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   361
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   362
def after_del_in_group(session, fromeid, rtype, toeid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   363
    """modify user permission, need to update users"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
    for session_ in get_user_sessions(session.repo, fromeid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
        DeleteGroupOp(session, cnxuser=session_.user, geid=toeid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   367
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   368
class AddGroupOp(GroupOperation):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   369
    """synchronize user when a in_group relation has been added"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   370
    def commit_event(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   371
        """the observed connections pool has been commited"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   372
        groups = self.cnxuser.groups
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   373
        if self.group in groups:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   374
            self.warning('user %s already in group %s', self.cnxuser,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   375
                         self.group)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   376
            return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   377
        groups.add(self.group)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   378
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   379
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   380
def after_add_in_group(session, fromeid, rtype, toeid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   381
    """modify user permission, need to update users"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   382
    for session_ in get_user_sessions(session.repo, fromeid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   383
        AddGroupOp(session, cnxuser=session_.user, geid=toeid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   384
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   385
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   386
class DelUserOp(Operation):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
    """synchronize user when a in_group relation has been added"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   388
    def __init__(self, session, cnxid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
        self.cnxid = cnxid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   390
        Operation.__init__(self, session)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   391
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
    def commit_event(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   393
        """the observed connections pool has been commited"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   394
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   395
            self.repo.close(self.cnxid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   396
        except BadConnectionId:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   397
            pass # already closed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   398
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   399
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   400
def after_del_user(session, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   401
    """modify user permission, need to update users"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   402
    for session_ in get_user_sessions(session.repo, eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   403
        DelUserOp(session, session_.id)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   404
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   405
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   406
def _register_usergroup_hooks(hm):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   407
    """register user/group related hooks on the hooks manager"""
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   408
    hm.register_hook(after_del_user, 'after_delete_entity', 'CWUser')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
    hm.register_hook(after_add_in_group, 'after_add_relation', 'in_group')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   410
    hm.register_hook(after_del_in_group, 'after_delete_relation', 'in_group')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   411
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   412
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   413
# workflow handling ###########################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   414
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
def before_add_in_state(session, fromeid, rtype, toeid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   416
    """check the transition is allowed and record transition information
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   417
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   418
    assert rtype == 'in_state'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   419
    state = previous_state(session, fromeid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   420
    etype = session.describe(fromeid)[0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   421
    if not (session.is_super_session or 'managers' in session.user.groups):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   422
        if not state is None:
2195
58bef4f707ce update calls to a deprecated method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2101
diff changeset
   423
            entity = session.entity_from_eid(fromeid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
            # we should find at least one transition going to this state
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   425
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
                iter(state.transitions(entity, toeid)).next()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
            except StopIteration:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
                msg = session._('transition is not allowed')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   429
                raise ValidationError(fromeid, {'in_state': msg})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   431
            # not a transition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   432
            # check state is initial state if the workflow defines one
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
            isrset = session.unsafe_execute('Any S WHERE ET initial_state S, ET name %(etype)s',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   434
                                            {'etype': etype})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   435
            if isrset and not toeid == isrset[0][0]:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
                msg = session._('not the initial state for this entity')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
                raise ValidationError(fromeid, {'in_state': msg})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   438
    eschema = session.repo.schema[etype]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   439
    if not 'wf_info_for' in eschema.object_relations():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   440
        # workflow history not activated for this entity type
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   441
        return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
    rql = 'INSERT TrInfo T: T wf_info_for E, T to_state DS, T comment %(comment)s'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   443
    args = {'comment': session.get_shared_data('trcomment', None, pop=True),
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
            'e': fromeid, 'ds': toeid}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
    cformat = session.get_shared_data('trcommentformat', None, pop=True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   446
    if cformat is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   447
        args['comment_format'] = cformat
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
        rql += ', T comment_format %(comment_format)s'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
    restriction = ['DS eid %(ds)s, E eid %(e)s']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
    if not state is None: # not a transition
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
        rql += ', T from_state FS'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   452
        restriction.append('FS eid %(fs)s')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   453
        args['fs'] = state.eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
    rql = '%s WHERE %s' % (rql, ', '.join(restriction))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   455
    session.unsafe_execute(rql, args, 'e')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   457
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   458
class SetInitialStateOp(PreCommitOperation):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
    """make initial state be a default state"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   460
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
    def precommit_event(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   462
        session = self.session
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
        entity = self.entity
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
        # if there is an initial state and the entity's state is not set,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   465
        # use the initial state as a default state
2101
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   466
        pendingeids = session.transaction_data.get('pendingeids', ())
2606
598ac51cac04 [R hooks] use DONT_CHECK_RTYPES_ON_[ADD|DEL] don't compute rset if not necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2605
diff changeset
   467
        if not entity.eid in pendingeids and not entity.in_state:
598ac51cac04 [R hooks] use DONT_CHECK_RTYPES_ON_[ADD|DEL] don't compute rset if not necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2605
diff changeset
   468
            rset = session.execute('Any S WHERE ET initial_state S, ET name %(name)s',
598ac51cac04 [R hooks] use DONT_CHECK_RTYPES_ON_[ADD|DEL] don't compute rset if not necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2605
diff changeset
   469
                                   {'name': entity.id})
598ac51cac04 [R hooks] use DONT_CHECK_RTYPES_ON_[ADD|DEL] don't compute rset if not necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2605
diff changeset
   470
            if rset:
598ac51cac04 [R hooks] use DONT_CHECK_RTYPES_ON_[ADD|DEL] don't compute rset if not necessary
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2605
diff changeset
   471
                session.add_relation(entity.eid, 'in_state', rset[0][0])
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   472
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   473
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   474
def set_initial_state_after_add(session, entity):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   475
    SetInitialStateOp(session, entity=entity)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   476
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   477
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
def _register_wf_hooks(hm):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
    """register workflow related hooks on the hooks manager"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   480
    if 'in_state' in hm.schema:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   481
        hm.register_hook(before_add_in_state, 'before_add_relation', 'in_state')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   482
        hm.register_hook(relation_deleted, 'before_delete_relation', 'in_state')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   483
        for eschema in hm.schema.entities():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
            if 'in_state' in eschema.subject_relations():
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   485
                hm.register_hook(set_initial_state_after_add, 'after_add_entity',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   486
                                 str(eschema))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   487
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   488
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   489
# CWProperty hooks #############################################################
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   492
class DelCWPropertyOp(Operation):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
    """a user's custom properties has been deleted"""
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   494
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   495
    def commit_event(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   496
        """the observed connections pool has been commited"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   498
            del self.epropdict[self.key]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   499
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
            self.error('%s has no associated value', self.key)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   501
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   502
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   503
class ChangeCWPropertyOp(Operation):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
    """a user's custom properties has been added/changed"""
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   505
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   506
    def commit_event(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   507
        """the observed connections pool has been commited"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   508
        self.epropdict[self.key] = self.value
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   509
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   510
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   511
class AddCWPropertyOp(Operation):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   512
    """a user's custom properties has been added/changed"""
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   513
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   514
    def commit_event(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   515
        """the observed connections pool has been commited"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   516
        eprop = self.eprop
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   517
        if not eprop.for_user:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   518
            self.repo.vreg.eprop_values[eprop.pkey] = eprop.value
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   519
        # if for_user is set, update is handled by a ChangeCWPropertyOp operation
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   520
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   521
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   522
def after_add_eproperty(session, entity):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   523
    key, value = entity.pkey, entity.value
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   524
    try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   525
        value = session.vreg.typed_value(key, value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   526
    except UnknownProperty:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   527
        raise ValidationError(entity.eid, {'pkey': session._('unknown property key')})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   528
    except ValueError, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   529
        raise ValidationError(entity.eid, {'value': session._(str(ex))})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   530
    if not session.user.matching_groups('managers'):
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   531
        session.add_relation(entity.eid, 'for_user', session.user.eid)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   532
    else:
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   533
        AddCWPropertyOp(session, eprop=entity)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   534
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   535
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   536
def after_update_eproperty(session, entity):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   537
    key, value = entity.pkey, entity.value
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   538
    try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   539
        value = session.vreg.typed_value(key, value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   540
    except UnknownProperty:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
        return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
    except ValueError, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   543
        raise ValidationError(entity.eid, {'value': session._(str(ex))})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
    if entity.for_user:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
        for session_ in get_user_sessions(session.repo, entity.for_user[0].eid):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   546
            ChangeCWPropertyOp(session, epropdict=session_.user.properties,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
                              key=key, value=value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
    else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   549
        # site wide properties
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   550
        ChangeCWPropertyOp(session, epropdict=session.vreg.eprop_values,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   551
                          key=key, value=value)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   552
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   553
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554
def before_del_eproperty(session, eid):
2101
08003e0354a7 update transaction data api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   555
    for eidfrom, rtype, eidto in session.transaction_data.get('pendingrelations', ()):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   556
        if rtype == 'for_user' and eidfrom == eid:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   557
            # if for_user was set, delete has already been handled
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   558
            break
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   559
    else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   560
        key = session.execute('Any K WHERE P eid %(x)s, P pkey K',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   561
                              {'x': eid}, 'x')[0][0]
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   562
        DelCWPropertyOp(session, epropdict=session.vreg.eprop_values, key=key)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   563
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   564
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   565
def after_add_for_user(session, fromeid, rtype, toeid):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   566
    if not session.describe(fromeid)[0] == 'CWProperty':
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   567
        return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   568
    key, value = session.execute('Any K,V WHERE P eid %(x)s,P pkey K,P value V',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   569
                                 {'x': fromeid}, 'x')[0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   570
    if session.vreg.property_info(key)['sitewide']:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   571
        raise ValidationError(fromeid,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   572
                              {'for_user': session._("site-wide property can't be set for user")})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   573
    for session_ in get_user_sessions(session.repo, toeid):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   574
        ChangeCWPropertyOp(session, epropdict=session_.user.properties,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   575
                          key=key, value=value)
1802
d628defebc17 delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1398
diff changeset
   576
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   577
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   578
def before_del_for_user(session, fromeid, rtype, toeid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   579
    key = session.execute('Any K WHERE P eid %(x)s, P pkey K',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   580
                          {'x': fromeid}, 'x')[0][0]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   581
    relation_deleted(session, fromeid, rtype, toeid)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   582
    for session_ in get_user_sessions(session.repo, toeid):
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   583
        DelCWPropertyOp(session, epropdict=session_.user.properties, key=key)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   584
2603
e47d63351891 [R hooks] optmize insertion by using direct repository methods when possible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2463
diff changeset
   585
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   586
def _register_eproperty_hooks(hm):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   587
    """register workflow related hooks on the hooks manager"""
1398
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   588
    hm.register_hook(after_add_eproperty, 'after_add_entity', 'CWProperty')
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   589
    hm.register_hook(after_update_eproperty, 'after_update_entity', 'CWProperty')
5fe84a5f7035 rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   590
    hm.register_hook(before_del_eproperty, 'before_delete_entity', 'CWProperty')
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   591
    hm.register_hook(after_add_for_user, 'after_add_relation', 'for_user')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   592
    hm.register_hook(before_del_for_user, 'before_delete_relation', 'for_user')