138 lines
4.4 KiB
Python
138 lines
4.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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################################################################################
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#
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# Rattail -- Retail Software Framework
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# Copyright © 2010-2012 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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``rattail.pyramid.forms`` -- Rattail Forms
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"""
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import formalchemy
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# from formalchemy.fields import SelectFieldRenderer
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import edbob
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from edbob.pyramid import Session
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from edbob.pyramid.forms import pretty_datetime
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import rattail
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__all__ = ['PriceFieldRenderer', 'RegularPriceFieldRenderer', 'UpcFieldRenderer']
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class BatchIdFieldRenderer(formalchemy.FieldRenderer):
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"""
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Renders the :attr:`rattail.Batch.batch_id` field.
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"""
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def render_readonly(self, **kwargs):
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value = self.raw_value
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if value is None:
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return ''
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return '%08u' % int(value)
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# class BatchTerminalFieldRenderer(SelectFieldRenderer):
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# """
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# Renders a field whose value is a relationship to a
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# :class:`rattail.BatchTerminal` instance.
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# """
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# def render(self, options, **kwargs):
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class PriceFieldRenderer(formalchemy.FieldRenderer):
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"""
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Renderer for fields which reference a :class:`ProductPrice` instance.
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"""
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def render_readonly(self, **kwargs):
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price = self.field.raw_value
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if price:
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if price.price is not None and price.pack_price is not None:
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if price.multiple > 1:
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return '$ %0.2f / %u ($ %0.2f / %u)' % (
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price.price, price.multiple,
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price.pack_price, price.pack_multiple)
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return '$ %0.2f ($ %0.2f / %u)' % (
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price.price, price.pack_price, price.pack_multiple)
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if price.price is not None:
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if price.multiple > 1:
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return '$ %0.2f / %u' % (price.price, price.multiple)
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return '$ %0.2f' % price.price
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if price.pack_price is not None:
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return '$ %0.2f / %u' % (price.pack_price, price.pack_multiple)
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return ''
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class PriceWithExpirationFieldRenderer(PriceFieldRenderer):
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"""
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Price field renderer which also displays the expiration date, if present.
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"""
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def render_readonly(self, **kwargs):
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res = super(PriceWithExpirationFieldRenderer, self).render_readonly(**kwargs)
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if res:
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price = self.field.raw_value
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if price.ends:
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res += ' (%s)' % pretty_datetime(price.ends, from_='utc')
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return res
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class UpcFieldRenderer(formalchemy.TextFieldRenderer):
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"""
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Handles rendering for the product UPC field.
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"""
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def render_readonly(self, **kwargs):
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value = self.raw_value
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if not value:
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return ''
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if isinstance(value, basestring):
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if value.isdigit():
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value = int(value)
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if isinstance(value, (int, long)):
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return '%013u' % value
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return self.stringify_value(value, as_html=True)
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def unique_batch_terminal_id(value, field=None):
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"""
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.. highlight:: python
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Validator for the :class:`rattail.BatchTerminal` class to ensure that SIL
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IDs are not duplicated. For example::
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from rattail.pyramid.forms import unique_batch_terminal_id
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# fieldset = some_batch_terminal_fieldset_factory()
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fieldset.sil_id.set(validate=unique_batch_terminal_id)
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"""
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if value:
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q = Session.query(rattail.BatchTerminal)
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q = q.filter(rattail.BatchTerminal.sil_id == value)
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if field.parent.edit:
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q = q.filter(rattail.BatchTerminal.uuid != field.parent.model.uuid)
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if q.count():
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raise formalchemy.ValidationError("SIL ID value must be unique within the system")
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