250 lines
8.2 KiB
Python
250 lines
8.2 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.transaction import Transaction
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from trytond.wizard import Button, StateTransition, StateView, Wizard
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class Move(metaclass=PoolMeta):
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__name__ = 'stock.move'
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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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'readonly': ~Eval('state').in_(['draft', 'assigned']),
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'depends': ['state'],
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},
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'unsplit': {
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'readonly': ~Eval('state').in_(['draft', 'assigned']),
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'depends': ['state'],
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},
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})
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@classmethod
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@ModelView.button_action('stock_split.wizard_split_move')
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def split_wizard(cls, moves):
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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 the move into moves of quantity.
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If count is not defined, the move will be split until the remainder is
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less than quantity.
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Return the split moves
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"""
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pool = Pool()
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Uom = pool.get('product.uom')
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moves = [self]
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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 moves
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state = self.state
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self.write([self], {
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'state': 'draft',
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})
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self.write([self], {
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'quantity': quantity,
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'unit': unit.id,
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})
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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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with Transaction().set_context(_stock_move_split=True):
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moves.extend(self.copy([self], {
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'quantity': quantity,
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'unit': unit.id,
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}))
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remainder -= quantity
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if count:
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count -= 1
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remainder = unit.round(remainder)
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assert remainder >= 0
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if remainder:
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with Transaction().set_context(_stock_move_split=True):
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moves.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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self.write(moves, {
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'state': state,
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})
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return moves
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@classmethod
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@ModelView.button
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def unsplit(cls, moves, _exclude=None):
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pool = Pool()
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UoM = pool.get('product.uom')
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_exclude = _exclude.copy() if _exclude is not None else set()
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_exclude.update({
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'id', 'create_uid', 'create_date', 'write_uid', 'write_date',
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'quantity', 'unit', 'internal_quantity'})
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fields_names = {
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name for name, field in cls._fields.items()
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if not isinstance(field, (fields.Function, fields.MultiValue))}
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fields_names -= _exclude
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values = cls.read([m.id for m in moves], fields_names=fields_names)
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id2values = {v.pop('id'): v for v in values}
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groups = []
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for move in moves:
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for group in groups:
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if id2values[move.id] == id2values[group[0].id]:
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group.append(move)
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break
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else:
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groups.append([move])
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def unit_precision(unit):
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return unit.factor * unit.rounding
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to_save, to_clear = [], []
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for group in groups:
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if len(group) <= 1:
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continue
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quantity = sum(m.internal_quantity for m in group)
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unit = min((m.unit for m in group), key=unit_precision)
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move, *others = group
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move.quantity = UoM.compute_qty(
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move.product.default_uom, quantity, unit)
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move.unit = unit
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to_save.append(move)
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to_clear.extend(others)
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cls.write(to_clear, {'quantity': 0})
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cls.save(to_save)
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class SplitMoveStart(ModelView):
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__name__ = 'stock.move.split.start'
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count = fields.Integer('Counts', help='The limit number of moves.')
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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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class SplitMove(Wizard):
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__name__ = 'stock.move.split'
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start = StateView('stock.move.split.start',
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'stock_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, self.start.count)
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return 'end'
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class _ShipmentSplit(ModelView):
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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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'readonly': Eval('state') != 'draft',
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'invisible': Eval('state') != 'draft',
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'depends': ['state'],
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},
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})
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@classmethod
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@ModelView.button_action('stock_split.wizard_split_shipment')
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def split_wizard(cls, shipments):
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pass
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class ShipmentInReturn(_ShipmentSplit, metaclass=PoolMeta):
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__name__ = 'stock.shipment.in.return'
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class ShipmentOut(_ShipmentSplit, metaclass=PoolMeta):
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__name__ = 'stock.shipment.out'
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class ShipmentInternal(_ShipmentSplit, metaclass=PoolMeta):
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__name__ = 'stock.shipment.internal'
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class SplitShipment(Wizard):
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__name__ = 'stock.shipment.split'
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start = StateView('stock.shipment.split.start',
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'stock_split.shipment_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 get_moves(self, shipment):
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if shipment.__name__ == 'stock.shipment.out':
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return shipment.outgoing_moves
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elif shipment.__name__ in {
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'stock.shipment.in.return',
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'stock.shipment.internal',
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}:
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return shipment.moves
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def default_start(self, fields):
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moves = self.get_moves(self.record)
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move_ids = [m.id for m in moves if m.state == 'draft']
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return {
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'domain_moves': move_ids,
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}
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def transition_split(self):
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pool = Pool()
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Move = pool.get('stock.move')
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shipment = self.record
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Shipment = self.model
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if shipment.state != 'draft':
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raise ValueError("Wrong shipment state")
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if not set(self.start.moves).issubset(self.start.domain_moves):
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raise ValueError("Invalid moves, %s != %s" % (self.start.moves,
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self.start.domain_moves))
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if Shipment.__name__ == 'stock.shipment.out':
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Move.draft(shipment.inventory_moves)
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Move.delete(
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[m for m in shipment.inventory_moves if m.state == 'draft'])
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shipment, = Shipment.copy(
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[shipment],
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default={
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'reference': lambda data: data['reference'],
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'moves': None,
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})
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Move.write(list(self.start.moves), {'shipment': str(shipment)})
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return 'end'
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class SplitShipmentStart(ModelView):
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__name__ = 'stock.shipment.split.start'
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moves = fields.Many2Many(
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'stock.move', None, None, "Moves",
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domain=[('id', 'in', Eval('domain_moves'))],
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help="The selected moves will be sent in the new shipment.")
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domain_moves = fields.Many2Many('stock.move', None, None, "Domain Moves")
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