# copyright 2003-2011 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/>.

from yams.buildobjs import (EntityType, String, SubjectRelation,

                            RelationDefinition)

from cubicweb.schema import (WorkflowableEntityType,

                             RQLConstraint, RQLVocabularyConstraint)

class Personne(EntityType):

    nom = String(required=True)

    prenom = String()

    type = String()

    travaille = SubjectRelation('Societe')

    evaluee = SubjectRelation(('Note', 'Personne'))

    connait = SubjectRelation(

        'Personne', symmetric=True,

        constraints=[

            RQLConstraint('NOT S identity O'),

            # conflicting constraints, see cw_unrelated_rql tests in

            # unittest_entity.py

            RQLVocabularyConstraint('NOT (S connait P, P nom "toto")'),

            RQLVocabularyConstraint('S travaille P, P nom "tutu"')])

    actionnaire = SubjectRelation('Societe', cardinality='??',

                                  constraints=[RQLConstraint('NOT EXISTS(O contrat_exclusif S)')])

    dirige = SubjectRelation('Societe', cardinality='??',

                             constraints=[RQLConstraint('S actionnaire O')])

    associe = SubjectRelation('Personne', cardinality='1*',

                              constraints=[RQLConstraint('S actionnaire SOC, O actionnaire SOC')])

class Ami(EntityType):

    """A Person, for which surname is not required"""

    prenom = String()

    nom = String()

class Societe(EntityType):

    nom = String()

    evaluee = SubjectRelation('Note')

    fournit = SubjectRelation(('Service', 'Produit'), cardinality='1*')

    contrat_exclusif = SubjectRelation('Personne', cardinality='??')

class Service(EntityType):

    fabrique_par = SubjectRelation('Personne', cardinality='1*')

class Produit(EntityType):

    fabrique_par = SubjectRelation('Usine', cardinality='1*')

class Usine(EntityType):

    lieu = String(required=True)

class Note(EntityType):

    type = String()

    ecrit_par = SubjectRelation('Personne')

class SubNote(Note):

    __specializes_schema__ = True

    description = String()

class tags(RelationDefinition):

    subject = 'Tag'

    object = ('Personne', 'Note')

class evaluee(RelationDefinition):

    subject = 'CWUser'

    object = 'Note'

class StateFull(WorkflowableEntityType):

    name = String()