"""

:organization: Logilab

:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.

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

:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses

"""

from yams.buildobjs import (EntityType, RelationDefinition, RelationType, String,

                            Int, SubjectRelation)

from yams.constraints import IntervalBoundConstraint

class Salesterm(EntityType):

    described_by_test = SubjectRelation('File', cardinality='1*', composite='subject')

    amount = Int(constraints=[IntervalBoundConstraint(0, 100)])

    reason = String(maxsize=20, vocabulary=[u'canceled', u'sold'])

class tags(RelationDefinition):

    subject = 'Tag'

    object = ('BlogEntry', 'CWUser')

class checked_by(RelationType):

    subject = 'BlogEntry'

    object = 'CWUser'

    cardinality = '?*'

    permissions = {

        'add': ('managers',),

        'read': ('managers', 'users'),

        'delete': ('managers',),

        }