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tryton/stock.py
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3.9 KiB
Python

#This file is part of Tryton. The COPYRIGHT file at the top level of
#this repository contains the full copyright notices and license terms.
from trytond.model import ModelView, fields
from trytond.wizard import Wizard, StateView, StateTransition, Button
from trytond.pyson import Eval
from trytond.pool import Pool, PoolMeta
from trytond.transaction import Transaction
__all__ = ['Move', 'SplitMoveStart', 'SplitMove']
__metaclass__ = PoolMeta
class Move:
__name__ = 'stock.move'
@classmethod
def __setup__(cls):
super(Move, cls).__setup__()
cls._buttons.update({
'split_wizard': {
'readonly': ~Eval('state').in_(['draft', 'assigned']),
},
})
@classmethod
@ModelView.button_action('stock_split.wizard_split_move')
def split_wizard(cls, moves):
pass
def split(self, quantity, uom, count=None):
"""
Split the move into moves of quantity.
If count is not defined, the move will be split until the remainder is
less than quantity.
Return the split moves
"""
pool = Pool()
Uom = pool.get('product.uom')
moves = [self]
remainder = Uom.compute_qty(self.uom, self.quantity, uom)
if remainder <= quantity:
return moves
state = self.state
self.write([self], {
'state': 'draft',
})
self.write([self], {
'quantity': quantity,
'uom': uom.id,
})
remainder -= quantity
if count:
count -= 1
while (remainder > quantity
and (count or count is None)):
moves.extend(self.copy([self], {
'quantity': quantity,
'uom': uom.id,
}))
remainder -= quantity
if count:
count -= 1
assert remainder >= 0
if remainder:
moves.extend(self.copy([self], {
'quantity': remainder,
'uom': uom.id,
}))
self.write(moves, {
'state': state,
})
return moves
class SplitMoveStart(ModelView):
'Split Move'
__name__ = 'stock.move.split.start'
count = fields.Integer('Counts', help='The limit number of moves')
quantity = fields.Float('Quantity', required=True,
digits=(16, Eval('unit_digits', 2)),
depends=['unit_digits'])
uom = fields.Many2One('product.uom', 'Uom', required=True,
domain=[
('category', '=', Eval('uom_category')),
],
depends=['uom_category'])
unit_digits = fields.Integer('Unit Digits', on_change_with=['uom'],
readonly=True)
uom_category = fields.Many2One('product.uom.category', 'Uom Category',
readonly=True)
def on_change_with_unit_digits(self):
if self.uom:
return self.uom.digits
return 2
class SplitMove(Wizard):
'Split Move'
__name__ = 'stock.move.split'
start = StateView('stock.move.split.start',
'stock_split.split_start_view_form', [
Button('Cancel', 'end', 'tryton-cancel'),
Button('Split', 'split', 'tryton-ok', default=True),
])
split = StateTransition()
def default_start(self, fields):
pool = Pool()
Move = pool.get('stock.move')
default = {}
move = Move(Transaction().context['active_id'])
default['uom'] = move.uom.id
default['unit_digits'] = move.unit_digits
default['uom_category'] = move.uom.category.id
return default
def transition_split(self):
pool = Pool()
Move = pool.get('stock.move')
move = Move(Transaction().context['active_id'])
move.split(self.start.quantity, self.start.uom, self.start.count)
return 'end'