94 lines
2.3 KiB
Python
94 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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################################################################################
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#
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# Rattail -- Retail Software Framework
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# Copyright © 2010-2016 Lance Edgar
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#
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# This file is part of Rattail.
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#
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# Rattail is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option)
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# any later version.
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#
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# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
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# more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with Rattail. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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"""
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Custom FormEncode Validators
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"""
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from __future__ import unicode_literals, absolute_import
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from rattail.db import model
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import formencode as fe
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from tailbone.db import Session
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class ModelValidator(fe.validators.FancyValidator):
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"""
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Generic validator for data model reference fields.
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"""
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model_class = None
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@property
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def model_name(self):
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self.model_class.__name__
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def _to_python(self, value, state):
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if value:
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obj = Session.query(self.model_class).get(value)
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if obj:
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return obj
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raise formencode.Invalid("{} not found".format(self.model_name), value, state)
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class ValidStore(ModelValidator):
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"""
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Validator for store field.
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"""
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model_class = model.Store
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class ValidCustomer(ModelValidator):
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"""
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Validator for customer field.
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"""
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model_class = model.Customer
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class ValidDepartment(ModelValidator):
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"""
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Validator for department field.
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"""
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model_class = model.Department
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class ValidEmployee(ModelValidator):
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"""
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Validator for employee field.
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"""
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model_class = model.Employee
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class ValidProduct(ModelValidator):
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"""
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Validator for product field.
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"""
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model_class = model.Product
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class ValidUser(ModelValidator):
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"""
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Validator for user field.
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"""
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model_class = model.User
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