trytond-product_special_price/product.py

93 lines
3.3 KiB
Python

# This file is part of product_special_price module for Tryton.
# The COPYRIGHT file at the top level of this repository contains the full
# copyright notices and license terms.
from trytond.pool import Pool, PoolMeta
from trytond.model import ModelSQL, fields
from trytond.pyson import Eval
from trytond.transaction import Transaction
from trytond.modules.product.product import price_digits
from trytond.modules.company.model import CompanyValueMixin
__all__ = ['Template', 'ProductSpecialPrice', 'Product']
STATES = {
'readonly': ~Eval('active', True),
}
DEPENDS = ['active']
class Template(metaclass=PoolMeta):
__name__ = 'product.template'
special_price = fields.MultiValue(fields.Numeric(
"Special Price", digits=price_digits,
states=STATES, depends=DEPENDS))
special_prices = fields.One2Many(
'product.special_price', 'template', "Special Prices")
special_price_from = fields.Date('Special Price From')
special_price_to = fields.Date('Special Price To')
@classmethod
def multivalue_model(cls, field):
pool = Pool()
if field == 'special_price':
return pool.get('product.special_price')
return super(Template, cls).multivalue_model(field)
class ProductSpecialPrice(ModelSQL, CompanyValueMixin):
"Product Special Price"
__name__ = 'product.special_price'
template = fields.Many2One(
'product.template', "Template", ondelete='CASCADE',
context={
'company': Eval('company', -1),
}, depends=['company'])
special_price = fields.Numeric("Special Price", digits=price_digits)
class Product(metaclass=PoolMeta):
__name__ = 'product.product'
@classmethod
def get_sale_price(cls, products, quantity=0):
pool = Pool()
Date = pool.get('ir.date')
User = pool.get('res.user')
Uom = pool.get('product.uom')
prices = super(Product, cls).get_sale_price(products, quantity)
if Transaction().context.get('without_special_price'):
return prices
today = Date.today()
user = User(Transaction().user)
if user.shop and user.shop.special_price:
for product in products:
if (product.special_price_from and
today < product.special_price_from):
continue
if (product.special_price_to and
today > product.special_price_to):
continue
special_price = 0.0
if user.shop.type_special_price == 'pricelist':
price_list = user.shop.special_pricelist
customer = Transaction().context.get('customer', None)
uom_id = Transaction().context.get('uom', None)
if uom_id:
uom = Uom(uom_id)
else:
uom = product.default_uom
special_price = price_list.compute(customer, product,
prices[product.id], quantity, uom)
else:
special_price = product.special_price
if (special_price != 0.0
and special_price is not None
and special_price < prices[product.id]):
prices[product.id] = special_price
return prices