Files
tryton/carrier.py
T
Cédric Krier f8dd25d768 Fix flake8 errors and warnings
We add the flake8 configuration used so we ensure everyone uses the same.
We remove the usage of __all__ for non public API.
When possible, we rationalize the class name according to its __name__ and module.

issue9082
review297061002
2020-03-01 12:33:52 +01:00

118 lines
4.6 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 ModelSQL, ModelView, fields
from trytond.pyson import Eval, Bool, Id
from trytond.pool import Pool, PoolMeta
from trytond.transaction import Transaction
class Carrier(metaclass=PoolMeta):
__name__ = 'carrier'
weight_uom = fields.Many2One('product.uom', 'Weight Uom',
domain=[('category', '=', Id('product', 'uom_cat_weight'))],
states={
'invisible': Eval('carrier_cost_method') != 'weight',
'required': Eval('carrier_cost_method') == 'weight',
'readonly': Bool(Eval('weight_price_list', [])),
},
depends=['carrier_cost_method', 'weight_price_list'],
help="The unit of weight criteria of the price list.")
weight_uom_digits = fields.Function(fields.Integer('Weight Uom Digits'),
'on_change_with_weight_uom_digits')
weight_currency = fields.Many2One('currency.currency', 'Currency',
states={
'invisible': Eval('carrier_cost_method') != 'weight',
'required': Eval('carrier_cost_method') == 'weight',
'readonly': Bool(Eval('weight_price_list', [])),
},
depends=['carrier_cost_method', 'weight_price_list'],
help="The currency of the price.")
weight_currency_digits = fields.Function(fields.Integer(
'Weight Currency Digits'),
'on_change_with_weight_currency_digits')
weight_price_list = fields.One2Many('carrier.weight_price_list', 'carrier',
'Price List',
states={
'invisible': Eval('carrier_cost_method') != 'weight',
'readonly': ~(Eval('weight_uom', 0) & Eval('weight_currency', 0)),
},
depends=['carrier_cost_method', 'weight_uom', 'weight_currency'],
help="Add price to the carrier service.")
@classmethod
def __setup__(cls):
super(Carrier, cls).__setup__()
selection = ('weight', 'Weight')
if selection not in cls.carrier_cost_method.selection:
cls.carrier_cost_method.selection.append(selection)
@staticmethod
def default_weight_uom_digits():
return 2
@staticmethod
def default_weight_currency_digits():
Company = Pool().get('company.company')
company = Transaction().context.get('company')
if company:
return Company(company).currency.digits
return 2
@fields.depends('weight_uom')
def on_change_with_weight_uom_digits(self, name=None):
if self.weight_uom:
return self.weight_uom.digits
return 2
@fields.depends('weight_currency')
def on_change_with_weight_currency_digits(self, name=None):
if self.weight_currency:
return self.weight_currency.digits
return 2
def compute_weight_price(self, weight):
"Compute price based on weight"
for line in reversed(self.weight_price_list):
if line.weight < weight:
return line.price
return Decimal(0)
def get_sale_price(self):
price, currency_id = super(Carrier, self).get_sale_price()
if self.carrier_cost_method == 'weight':
weight_price = Decimal(0)
for weight in Transaction().context.get('weights', []):
weight_price += self.compute_weight_price(weight)
return weight_price, self.weight_currency.id
return price, currency_id
def get_purchase_price(self):
price, currency_id = super(Carrier, self).get_purchase_price()
if self.carrier_cost_method == 'weight':
weight_price = Decimal(0)
for weight in Transaction().context.get('weights', []):
weight_price += self.compute_weight_price(weight)
return weight_price, self.weight_currency.id
return price, currency_id
class WeightPriceList(ModelSQL, ModelView):
'Carrier Weight Price List'
__name__ = 'carrier.weight_price_list'
carrier = fields.Many2One('carrier', 'Carrier', required=True, select=True,
help="The carrier that the price list belongs to.")
weight = fields.Float('Weight',
digits=(16, Eval('_parent_carrier', {}).get('weight_uom_digits', 2)),
help="The lower limit for the price.")
price = fields.Numeric('Price',
digits=(16, Eval('_parent_carrier', {}).get(
'weight_currency_digits', 2)),
help="The price of the carrier service.")
@classmethod
def __setup__(cls):
super(WeightPriceList, cls).__setup__()
cls._order.insert(0, ('weight', 'ASC'))