trytond-sale_secondary_unit/sale.py
Cédric Krier ca17c6d6bf Add secondary unit
issue8239
review271131003
2019-07-28 14:34:20 +02:00

208 lines
8.4 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 fields
from trytond.pool import PoolMeta, Pool
from trytond.pyson import Eval, If
from trytond.modules.product import price_digits
class Line(metaclass=PoolMeta):
__name__ = 'sale.line'
secondary_quantity = fields.Function(
fields.Float("Secondary Quantity",
digits=(16, Eval('secondary_unit_digits', 2)),
states={
'invisible': ((Eval('type') != 'line')
| ~Eval('secondary_unit')),
'readonly': Eval('sale_state') != 'draft',
},
depends=[
'secondary_unit_digits', 'type', 'secondary_unit',
'sale_state']),
'on_change_with_secondary_quantity', setter='set_secondary')
secondary_unit = fields.Many2One(
'product.uom', "Secondary Unit", ondelete='RESTRICT',
domain=[
If(Eval('sale_state') == 'draft',
('category', '=', Eval('product_secondary_uom_category')),
()),
],
states={
'invisible': ((Eval('type') != 'line')
| (~Eval('secondary_uom_factor')
& ~Eval('secondary_uom_rate'))),
'readonly': Eval('sale_state') != 'draft',
},
depends=['product_secondary_uom_category', 'type',
'secondary_uom_factor', 'secondary_uom_rate', 'sale_state'])
secondary_unit_price = fields.Function(
fields.Numeric(
"Secondary Unit Price", digits=price_digits,
states={
'invisible': ((Eval('type') != 'line')
| ~Eval('secondary_unit')),
'readonly': Eval('sale_state') != 'draft',
},
depends=['type', 'secondary_unit', 'sale_state']),
'on_change_with_secondary_unit_price', setter='set_secondary')
secondary_uom_factor = fields.Float("Secondary UOM Factor")
secondary_uom_rate = fields.Float("Secondary UOM Rate")
secondary_unit_digits = fields.Function(
fields.Integer("Secondary Unit Digits"),
'on_change_with_secondary_unit_digits')
product_secondary_uom_category = fields.Function(
fields.Many2One(
'product.uom.category', "Product Secondary UOM Category"),
'on_change_with_product_secondary_uom_category')
@fields.depends('product')
def _secondary_record(self):
if self.product and self.product.sale_secondary_uom:
return self.product
@fields.depends('quantity', 'unit', 'secondary_unit',
'secondary_uom_factor', 'secondary_uom_rate')
def on_change_with_secondary_quantity(self, name=None):
pool = Pool()
Uom = pool.get('product.uom')
if (self.quantity and self.unit and self.secondary_unit
and (self.secondary_uom_factor or self.secondary_uom_rate)):
return Uom.compute_qty(
self.unit, self.quantity,
self.secondary_unit, round=True,
factor=self.secondary_uom_factor, rate=self.secondary_uom_rate)
else:
return None
@fields.depends('secondary_quantity', 'secondary_unit', 'unit',
'secondary_uom_factor', 'secondary_uom_rate',
methods=['on_change_quantity', 'on_change_with_amount'])
def on_change_secondary_quantity(self):
pool = Pool()
Uom = pool.get('product.uom')
if (self.secondary_quantity and self.secondary_unit and self.unit
and (self.secondary_uom_factor or self.secondary_uom_rate)):
self.quantity = Uom.compute_qty(
self.secondary_unit, self.secondary_quantity,
self.unit, round=True,
factor=self.secondary_uom_rate, rate=self.secondary_uom_factor)
self.on_change_quantity()
self.amount = self.on_change_with_amount()
@fields.depends('unit_price', 'unit', 'secondary_unit',
'secondary_uom_factor', 'secondary_uom_rate')
def on_change_with_secondary_unit_price(self, name=None):
pool = Pool()
Uom = pool.get('product.uom')
if (self.unit_price is not None and self.unit and self.secondary_unit
and (self.secondary_uom_factor or self.secondary_uom_rate)):
return Uom.compute_price(
self.unit, self.unit_price, self.secondary_unit,
factor=self.secondary_uom_factor, rate=self.secondary_uom_rate
).quantize(Decimal(1) / 10 ** price_digits[1])
else:
return None
@fields.depends('secondary_unit_price', 'secondary_unit', 'unit',
'secondary_uom_factor', 'secondary_uom_rate',
methods=['on_change_with_amount'])
def on_change_secondary_unit_price(self, name=None):
pool = Pool()
Uom = pool.get('product.uom')
if (self.secondary_unit_price is not None
and self.secondary_unit and self.unit
and (self.secondary_uom_factor or self.secondary_uom_rate)):
self.unit_price = Uom.compute_price(
self.secondary_unit, self.secondary_unit_price, self.unit,
factor=self.secondary_uom_rate, rate=self.secondary_uom_factor
).quantize(Decimal(1) / 10 ** price_digits[1])
self.amount = self.on_change_with_amount()
@fields.depends(methods=[
'on_change_secondary_quantity', 'on_change_secondary_unit_price'])
def on_change_secondary_unit(self):
self.on_change_secondary_quantity()
self.on_change_secondary_unit_price()
@fields.depends('secondary_unit')
def on_change_with_secondary_unit_digits(self, name=None):
if self.secondary_unit:
return self.secondary_unit.digits
@fields.depends(methods=['_secondary_record'])
def on_change_with_product_secondary_uom_category(self, name=None):
secondary_record = self._secondary_record()
if secondary_record:
return secondary_record.sale_secondary_uom.category.id
@classmethod
def set_secondary(cls, lines, name, value):
pass
@fields.depends('secondary_unit',
methods=['on_change_with_secondary_quantity', '_secondary_record'])
def on_change_product(self):
super().on_change_product()
secondary_record = self._secondary_record()
if secondary_record and self.secondary_unit:
secondary_uom = secondary_record.sale_secondary_uom
if secondary_uom:
if self.secondary_unit.category != secondary_uom.category:
self.secondary_unit = None
if secondary_record:
self.secondary_uom_factor = (
secondary_record.sale_secondary_uom_normal_factor)
self.secondary_uom_rate = (
secondary_record.sale_secondary_uom_normal_rate)
else:
self.secondary_unit = None
self.secondary_uom_factor = None
self.secondary_uom_rate = None
self.secondary_quantity = self.on_change_with_secondary_quantity()
def get_invoice_line(self):
pool = Pool()
InvoiceLine = pool.get('account.invoice.line')
lines = super().get_invoice_line()
if hasattr(InvoiceLine, 'secondary_unit'):
for line in lines:
if line.unit == self.unit:
line.secondary_unit = self.secondary_unit
return lines
def get_move(self, shipment_type):
move = super().get_move(shipment_type)
if move and hasattr(move.__class__, 'secondary_unit'):
if move.uom == self.unit:
move.secondary_unit = self.secondary_unit
return move
class Line_ProductCustomer(metaclass=PoolMeta):
__name__ = 'sale.line'
@fields.depends('product_customer')
def _secondary_record(self):
if self.product_customer and self.product_customer.sale_secondary_uom:
return self.product_customer
return super()._secondary_record()
class OpportunityLine(metaclass=PoolMeta):
__name__ = 'sale.opportunity.line'
def _set_sale_line_quantity(self, sale_line):
super()._set_sale_line_quantity(sale_line)
if self.unit.category != self.product.sale_uom.category:
sale_line.unit = self.product.sale_uom
sale_line.secondary_quantity = self.quantity
sale_line.secondary_unit = self.unit
sale_line.on_change_secondary_quantity()