# copyright 2003-2014 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 (RelationDefinition, RelationType, EntityType,
                            String, Datetime, Int)
from yams.reader import context

from cubicweb.schema import ERQLExpression

_ = unicode

class friend(RelationDefinition):
    subject = ('CWUser', 'CWGroup')
    object = ('CWUser', 'CWGroup')
    symmetric = True

class Folder(EntityType):
    name = String()

class parent(RelationDefinition):
    subject = 'Folder'
    object = 'Folder'
    composite = 'object'
    cardinality = '?*'

class children(RelationDefinition):
    subject = 'Folder'
    object = 'Folder'
    composite = 'subject'


class Email(EntityType):
    """electronic mail"""
    subject   = String(fulltextindexed=True)
    date      = Datetime(description=_('UTC time on which the mail was sent'))
    messageid = String(required=True, indexed=True)
    headers   = String(description=_('raw headers'))



class EmailPart(EntityType):
    """an email attachment"""
    __permissions__ = {
        'read':   ('managers', 'users', 'guests',), # XXX if E parts X, U has_read_permission E
        'add':    ('managers', ERQLExpression('E parts X, U has_update_permission E'),),
        'delete': ('managers', ERQLExpression('E parts X, U has_update_permission E')),
        'update': ('managers', 'owners',),
        }

    content  = String(fulltextindexed=True)
    content_format = String(required=True, maxsize=50)
    ordernum = Int(required=True)


class parts(RelationType):
    subject = 'Email'
    object = 'EmailPart'
    cardinality = '*1'
    composite = 'subject'
    fulltext_container = 'subject'

class sender(RelationDefinition):
    subject = 'Email'
    object = 'EmailAddress'
    cardinality = '?*'
    inlined = True

class recipients(RelationDefinition):
    subject = 'Email'
    object = 'EmailAddress'