# This file is part of Tryton.  The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from trytond.model import ModelSQL, fields
from trytond.pyson import Eval
from trytond.transaction import Transaction
from trytond.pool import Pool


class ModelStorage(ModelSQL):
    'Model stored'
    __name__ = 'test.modelstorage'
    name = fields.Char('Name')


class ModelStorageRequired(ModelSQL):
    'Model stored'
    __name__ = 'test.modelstorage.required'
    name = fields.Char('Name', required=True)


class ModelStorageContext(ModelSQL):
    'Model Storage to test Context'
    __name__ = 'test.modelstorage.context'
    context = fields.Function(fields.Binary('Context'), 'get_context')

    def get_context(self, name):
        return Transaction().context


class ModelStoragePYSONDomain(ModelSQL):
    "Model stored with PYSON domain"
    __name__ = 'test.modelstorage.pyson_domain'
    constraint = fields.Char("Constraint")
    value = fields.Char(
        "Value",
        domain=[
            ('value', '=', Eval('constraint')),
            ],
        depends=['constraint'])


def register(module):
    Pool.register(
        ModelStorage,
        ModelStorageRequired,
        ModelStorageContext,
        ModelStoragePYSONDomain,
        module=module, type_='model')