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# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
# pylint: disable-msg=E0611,W0212
__metaclass__ = type
__all__ = ['SpecificationSubscription']
from sqlobject import (
BoolCol,
ForeignKey,
)
from zope.interface import implements
from canonical.database.sqlbase import SQLBase
from lp.blueprints.interfaces.specificationsubscription import (
ISpecificationSubscription,
)
from lp.registry.interfaces.person import validate_public_person
class SpecificationSubscription(SQLBase):
"""A subscription for person to a spec."""
implements(ISpecificationSubscription)
_table = 'SpecificationSubscription'
specification = ForeignKey(dbName='specification',
foreignKey='Specification', notNull=True)
person = ForeignKey(
dbName='person', foreignKey='Person',
storm_validator=validate_public_person, notNull=True)
essential = BoolCol(notNull=True, default=False)
def canBeUnsubscribedByUser(self, user):
"""See `ISpecificationSubscription`."""
if user is None:
return False
if self.person.is_team:
return user.inTeam(self.person)
return user == self.person
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