117 lines
4.5 KiB
Python
117 lines
4.5 KiB
Python
# The COPYRIGHT file at the top level of this repository contains the full
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# copyright notices and license terms.
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from trytond.model import fields
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from trytond.pool import PoolMeta
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from trytond.pyson import Eval
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from trytond.modules.product.product import STATES, DEPENDS
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__all__ = ['Template', 'Product']
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__metaclass__ = PoolMeta
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STATES_SU = STATES.copy()
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STATES_SU['required'] = Eval('use_second_uom', False)
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DEPENDS_SU = DEPENDS[:] + ['use_second_uom']
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class Template:
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__name__ = "product.template"
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use_second_uom = fields.Function(fields.Boolean('Use Second UOM'),
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'on_change_with_use_second_uom', searcher='search_use_second_uom')
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second_uom = fields.Many2One('product.uom', 'Second UoM',
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states=STATES_SU, depends=DEPENDS_SU)
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second_quantity = fields.Function(fields.Float('Second UoM Quantity',
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states={
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'invisible': ~Eval('use_second_uom', False),
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}, depends=['use_second_uom']),
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'sum_product')
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second_forecast_quantity = fields.Function(
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fields.Float('Second UoM Forecast Quantity', states={
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'invisible': ~Eval('use_second_uom', False),
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}, depends=['use_second_uom']),
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'sum_product')
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@classmethod
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def __setup__(cls):
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super(Template, cls).__setup__()
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if hasattr(cls, 'main_products'):
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cls.on_change_with_use_second_uom.depends.add('main_products')
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cls.on_change_with_use_second_uom.depends.add('raw_products')
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cls._error_messages.update({
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'change_second_uom': ('You cannot change the second uom for '
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'a product which is associated to stock moves.'),
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})
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cls._modify_no_move.append(('second_uom', 'change_second_uom'))
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@fields.depends('products')
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def on_change_with_use_second_uom(self, name=None):
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if hasattr(self, 'main_products'):
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return (any(p.use_second_uom for p in self.main_products)
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| any(p.use_second_uom for p in self.raw_products))
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return any(p.use_second_uom for p in self.products)
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@classmethod
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def search_use_second_uom(cls, name, clause):
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return [('products.use_second_uom', ) + tuple(clause[1:])]
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def sum_product(self, name):
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if name in ('second_quantity', 'second_forecast_quantity'):
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sum_ = 0.
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for product in self.products:
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qty = getattr(product, name)
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if qty:
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sum_ += qty
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return sum_
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return super(Template, self).sum_product(name)
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class Product:
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__name__ = "product.product"
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use_second_uom = fields.Boolean('Use Second UoM', states=STATES,
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depends=DEPENDS)
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second_uom = fields.Function(fields.Many2One('product.uom', 'Second UoM'),
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'get_second_uom', searcher='search_second_uom')
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second_quantity = fields.Function(fields.Float('Second UoM Quantity',
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states={
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'invisible': ~Eval('use_second_uom', False),
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}, depends=['use_second_uom']),
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'get_quantity', searcher='search_quantity')
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second_forecast_quantity = fields.Function(
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fields.Float('Second UoM Forecast Quantity', states={
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'invisible': ~Eval('use_second_uom', False),
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}, depends=['use_second_uom']),
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'get_quantity', searcher='search_quantity')
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@classmethod
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def __setup__(cls):
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super(Product, cls).__setup__()
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cls._error_messages.update({
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'second_uom_required': ('The Second UoM must be set on '
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'template because product "%s" is set to Use Second UoM.'),
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})
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def get_second_uom(self, name):
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if self.template.second_uom:
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return self.template.second_uom.id
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@classmethod
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def search_second_uom(cls, name, clause):
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return [('template.second_uom',) + tuple(clause[1:])]
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@classmethod
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def validate(cls, products):
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super(Product, cls).validate(products)
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for product in products:
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product.check_second_uom()
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def check_second_uom(self):
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if self.use_second_uom and not self.template.second_uom:
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self.raise_user_error('second_uom_required', self.rec_name)
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@classmethod
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def _quantity_context(cls, name):
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if name.startswith('second_'):
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context = super(Product, cls)._quantity_context(name[7:])
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context['second_uom'] = True
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return context
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return super(Product, cls)._quantity_context(name)
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