161 lines
6.9 KiB
Python
161 lines
6.9 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 decimal import Decimal
|
|
from trytond.model import ModelView, ModelSQL, fields
|
|
from trytond.pyson import Eval
|
|
|
|
|
|
class Move(ModelSQL, ModelView):
|
|
_name = 'stock.move'
|
|
fifo_quantity = fields.Float('FIFO Quantity',
|
|
digits=(16, Eval('unit_digits', 2)))
|
|
|
|
def __init__(self):
|
|
super(Move, self).__init__()
|
|
self._sql_constraints += [
|
|
('check_fifo_quantity_out',
|
|
'CHECK(quantity >= fifo_quantity)',
|
|
'FIFO quantity can not be greater than quantity!'),
|
|
]
|
|
self._error_messages.update({
|
|
'del_move_fifo': 'You can not delete move that is used ' \
|
|
'for FIFO cost price!',
|
|
})
|
|
|
|
def default_fifo_quantity(self):
|
|
return 0.0
|
|
|
|
def _update_fifo_out_product_cost_price(self, product, quantity, uom):
|
|
'''
|
|
Update the product cost price of the given product. Update
|
|
fifo_quantity on the concerned incomming moves. Return the
|
|
cost price for outputing the given product and quantity.
|
|
|
|
:param product: a BrowseRecord of the product
|
|
:param quantity: the quantity of the outgoing product
|
|
:param uom: the uom id or a BrowseRecord of the uom
|
|
:return: cost_price (of type decimal)
|
|
'''
|
|
|
|
template_obj = self.pool.get('product.template')
|
|
uom_obj = self.pool.get('product.uom')
|
|
|
|
if isinstance(uom, (int, long)):
|
|
uom = uom_obj.browse(uom)
|
|
|
|
total_qty = uom_obj.compute_qty(uom, quantity, product.default_uom,
|
|
round=False)
|
|
|
|
fifo_moves = template_obj.get_fifo_move(product.template.id, total_qty)
|
|
|
|
|
|
cost_price = Decimal("0.0")
|
|
consumed_qty = 0.0
|
|
for move, move_qty in fifo_moves:
|
|
consumed_qty += move_qty
|
|
|
|
move_unit_price = uom_obj.compute_price(move.uom, move.unit_price,
|
|
move.product.default_uom)
|
|
cost_price += move_unit_price * Decimal(str(move_qty))
|
|
|
|
self._update_product_cost_price(product.id, -move_qty,
|
|
product.default_uom, move_unit_price, move.currency,
|
|
move.company)
|
|
|
|
move_qty = uom_obj.compute_qty(product.default_uom, move_qty,
|
|
move.uom, round=False)
|
|
self.write(move.id, {
|
|
'fifo_quantity': (move.fifo_quantity or 0.0) + move_qty,
|
|
})
|
|
|
|
|
|
if Decimal(str(consumed_qty)) != Decimal("0"):
|
|
cost_price = cost_price / Decimal(str(consumed_qty))
|
|
|
|
if cost_price != Decimal("0"):
|
|
digits = self.cost_price.digits
|
|
return cost_price.quantize(
|
|
Decimal(str(10.0**-digits[1])))
|
|
else:
|
|
return product.cost_price
|
|
|
|
def create(self, vals):
|
|
location_obj = self.pool.get('stock.location')
|
|
product_obj = self.pool.get('product.product')
|
|
uom_obj = self.pool.get('product.uom')
|
|
|
|
if vals.get('state') == 'done':
|
|
from_location = location_obj.browse(vals['from_location'])
|
|
to_location = location_obj.browse(vals['to_location'])
|
|
product = product_obj.browse(vals['product'])
|
|
if from_location.type == 'supplier' \
|
|
and product.cost_price_method == 'fifo':
|
|
self._update_product_cost_price(vals['product'],
|
|
vals['quantity'], vals['uom'], vals['unit_price'],
|
|
vals['currency'])
|
|
if to_location.type == 'supplier' \
|
|
and product.cost_price_method == 'fifo':
|
|
self._update_product_cost_price(vals['product'],
|
|
-vals['quantity'], vals['uom'], vals['unit_price'],
|
|
vals['currency'])
|
|
if to_location.type != 'storage' \
|
|
and to_location.type != 'supplier' \
|
|
and product.cost_price_method == 'fifo':
|
|
|
|
cost_price = self._update_fifo_out_product_cost_price(product,
|
|
vals['quantity'], vals['uom'])
|
|
if not vals.get('cost_price'):
|
|
vals['cost_price'] = cost_price
|
|
|
|
return super(Move, self).create(vals)
|
|
|
|
def write(self, ids, vals):
|
|
if isinstance(ids, (int, long)):
|
|
ids = [ids]
|
|
if 'state' in vals and vals['state'] == 'done':
|
|
for move in self.browse(ids):
|
|
if vals['state'] == 'cancel':
|
|
if move.from_location.type == 'supplier' \
|
|
and move.state != 'cancel' \
|
|
and move.product.cost_price_method == 'fifo':
|
|
self._update_product_cost_price(move.product.id,
|
|
-move.quantity, move.uom, move.unit_price,
|
|
move.currency, move.company)
|
|
if move.to_location.type == 'supplier' \
|
|
and move.state != 'cancel' \
|
|
and move.product.cost_price_method == 'fifo':
|
|
self._update_product_cost_price(move.product.id,
|
|
move.quantity, move.uom, move.unit_price,
|
|
move.currency, move.company)
|
|
|
|
elif vals['state'] == 'done':
|
|
if move.from_location.type == 'supplier' \
|
|
and move.state != 'done' \
|
|
and move.product.cost_price_method == 'fifo':
|
|
self._update_product_cost_price(move.product.id,
|
|
move.quantity, move.uom, move.unit_price,
|
|
move.currency, move.company)
|
|
if move.to_location.type == 'supplier' \
|
|
and move.state != 'done' \
|
|
and move.product.cost_price_method == 'fifo':
|
|
self._update_product_cost_price(move.product.id,
|
|
-move.quantity, move.uom, move.unit_price,
|
|
move.currency, move.company)
|
|
if move.to_location.type != 'storage' \
|
|
and move.to_location.type != 'supplier' \
|
|
and move.product.cost_price_method == 'fifo':
|
|
cost_price = self._update_fifo_out_product_cost_price(
|
|
move.product, move.quantity, move.uom)
|
|
if not vals.get('cost_price'):
|
|
vals['cost_price'] = cost_price
|
|
return super(Move, self).write(ids, vals)
|
|
|
|
def delete(self, ids):
|
|
if self.search([
|
|
('id', 'in', ids),
|
|
('fifo_quantity', '!=', 0.0),
|
|
]):
|
|
self.raise_user_error('del_move_fifo')
|
|
return super(Move, self).delete(ids)
|
|
Move()
|