109 lines
3.7 KiB
Python
109 lines
3.7 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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from trytond.model import ModelView, fields
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from trytond.pool import Pool, PoolMeta
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from trytond.pyson import Eval
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from trytond.wizard import Button, StateTransition, StateView, Wizard
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class Production(metaclass=PoolMeta):
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__name__ = 'production'
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@classmethod
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def __setup__(cls):
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super().__setup__()
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cls._buttons.update({
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'split_wizard': {
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'invisible': (~Eval('state').in_(['request', 'draft'])
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| ~Eval('bom') | ~Eval('quantity', 0)),
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'depends': ['state', 'bom', 'quantity'],
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},
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})
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@classmethod
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@ModelView.button_action('production_split.wizard_split_production')
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def split_wizard(cls, productions):
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pass
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def split(self, quantity, unit, count=None):
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"""
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Split production into productions of quantity.
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If count is not defined, the production will be split until remainder
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is less than quantity.
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Return the split productions
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"""
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pool = Pool()
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Uom = pool.get('product.uom')
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productions = [self]
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n_productions = 0
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remainder = Uom.compute_qty(self.unit, self.quantity, unit)
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if remainder <= quantity:
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return productions
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self.quantity = quantity
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self.unit = unit
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self.save()
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remainder -= quantity
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if count:
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count -= 1
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while (remainder > quantity
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and (count or count is None)):
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n_productions += 1
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remainder -= quantity
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remainder = unit.round(remainder)
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if count:
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count -= 1
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if n_productions:
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productions.extend(self.copy([self] * n_productions, {
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'reference': lambda data: data['reference'],
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'quantity': quantity,
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'unit': unit.id,
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'inputs': None,
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'outputs': None,
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}))
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assert remainder >= 0
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if remainder:
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productions.extend(self.copy([self], {
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'quantity': remainder,
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'unit': unit.id,
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}))
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for production in productions:
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production.explode_bom()
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self.__class__.save(productions)
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return productions
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class SplitProduction(Wizard):
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__name__ = 'production.split'
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start = StateView('production.split.start',
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'production_split.split_start_view_form', [
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Button('Cancel', 'end', 'tryton-cancel'),
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Button('Split', 'split', 'tryton-ok', default=True),
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])
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split = StateTransition()
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def default_start(self, fields):
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return {
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'unit': self.record.unit.id,
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'uom_category': self.record.unit.category.id,
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}
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def transition_split(self):
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self.record.split(
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self.start.quantity, self.start.unit, count=self.start.count)
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return 'end'
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class SplitProductionStart(ModelView):
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__name__ = 'production.split.start'
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count = fields.Integer('Count', help='The limit number of productions')
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quantity = fields.Float("Quantity", digits='unit', required=True)
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unit = fields.Many2One(
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'product.uom', "Unit", required=True,
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domain=[
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('category', '=', Eval('uom_category', -1)),
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])
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uom_category = fields.Many2One(
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'product.uom.category', "UoM Category", readonly=True,
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help="The category of Unit of Measure.")
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