97 lines
3.5 KiB
Python
97 lines
3.5 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.pyson import Eval, Bool, Not
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from trytond.pool import Pool, PoolMeta
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from decimal import Decimal
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from trytond.modules.product import price_digits
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__all__ = ['Template']
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_ZERO = Decimal('0.0')
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_ROUND = Decimal('.0001')
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class Template(metaclass=PoolMeta):
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__name__ = "product.template"
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use_info_unit = fields.Boolean('Use Information UOM')
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info_unit = fields.Many2One('product.uom', 'Information UOM',
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states={
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'required': Bool(Eval('use_info_unit'))
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})
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info_list_price = fields.Function(fields.Numeric('Information List Price',
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digits=(16, 8)),
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'on_change_with_info_list_price')
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info_ratio = fields.Float('Information Ratio', digits=(16, 4),
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states={
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'required': Bool(Eval('use_info_unit')),
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},
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domain=['OR',
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[('info_ratio', '=', None)],
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[('info_ratio', '!=', 0.0)],
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])
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@classmethod
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def view_attributes(cls):
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return super(Template, cls).view_attributes() + [
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('//page[@id="information_uom"]', 'states', {
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'invisible': Not(Bool(Eval('use_info_unit'))),
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})]
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@fields.depends('default_uom')
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def _compute_factor(self, factor=1.0, unit=None, base_unit=None):
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pool = Pool()
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Uom = pool.get('product.uom')
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if not base_unit:
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base_unit = self.default_uom
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if unit:
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factor = Uom.compute_qty(base_unit, factor, unit)
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return factor
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def calc_info_quantity(self, qty, unit=None):
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Uom = Pool().get('product.uom')
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if not self.use_info_unit or not qty:
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return 0.0
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if unit and unit != self.default_uom:
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qty = Uom.compute_qty(unit, qty, self.default_uom)
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return self.info_unit.round(self.info_ratio * qty)
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def calc_quantity(self, info_qty, unit=None):
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Uom = Pool().get('product.uom')
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if not info_qty or not self.use_info_unit:
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return 0.0
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info_qty = Uom.compute_qty(self.default_uom, float(info_qty), unit)
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return self.default_uom.round(info_qty / self.info_ratio)
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@fields.depends('use_info_unit', 'info_ratio', 'default_uom',
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'list_price')
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def get_info_list_price(self, unit=None):
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factor = self._compute_factor()
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price = _ZERO
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if self.use_info_unit and self.info_ratio and self.list_price:
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price = (self.list_price / Decimal(str(self.info_ratio))).quantize(
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_ROUND)
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return (price / Decimal(str(factor))).quantize(_ROUND)
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def get_unit_price(self, info_price, unit=None):
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price = _ZERO
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factor = self._compute_factor(1.0, unit)
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if self.use_info_unit:
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price = (info_price * Decimal(str(self.info_ratio))).quantize(
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_ROUND)
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return (price / Decimal(str(factor))).quantize(
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Decimal('10')**-price_digits[1])
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def get_info_unit_price(self, unit_price, unit=None):
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price = _ZERO
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factor = self._compute_factor(1.0, unit, self.info_unit)
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if self.use_info_unit:
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price = (unit_price / Decimal(str(self.info_ratio))).quantize(
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_ROUND)
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return (price * Decimal(str(factor))).quantize(_ROUND)
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@fields.depends(methods=['get_info_list_price'])
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def on_change_with_info_list_price(self, name=None):
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return self.get_info_list_price()
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