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tryton/purchase.py
T
2012-09-25 20:35:14 +02:00

69 lines
2.2 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.
import datetime
from trytond.model import ModelView, ModelSQL, fields
from trytond.pool import PoolMeta
__all__ = ['ProductSupplier', 'ProductSupplierDay']
__metaclass__ = PoolMeta
class ProductSupplier:
__name__ = 'purchase.product_supplier'
weekdays = fields.One2Many('purchase.product_supplier.day',
'product_supplier', 'Week Days')
def compute_supply_date(self, date=None):
date = super(ProductSupplier, self).compute_supply_date(date=date)
earlier_date = None
for day in self.weekdays:
weekday = int(day.weekday)
diff = weekday - date.weekday()
if diff < 0:
diff += 7
new_date = date + datetime.timedelta(diff)
if earlier_date and earlier_date <= new_date:
continue
earlier_date = new_date
return earlier_date or date
def compute_purchase_date(self, date):
later_date = None
for day in self.weekdays:
weekday = int(day.weekday)
diff = (date.weekday() - weekday) % 7
new_date = date - datetime.timedelta(diff)
if later_date and later_date >= new_date:
continue
later_date = new_date
if later_date:
date = later_date
return super(ProductSupplier, self).compute_purchase_date(date)
class ProductSupplierDay(ModelSQL, ModelView):
'Product Supplier Day'
__name__ = 'purchase.product_supplier.day'
_rec_name = 'weekday'
product_supplier = fields.Many2One('purchase.product_supplier', 'Supplier',
required=True, ondelete='CASCADE')
weekday = fields.Selection([
('0', 'Monday'),
('1', 'Tuesday'),
('2', 'Wednesday'),
('3', 'Thursday'),
('4', 'Friday'),
('5', 'Saturday'),
('6', 'Sunday'),
], 'Week Day', required=True, sort=False)
@classmethod
def __setup__(cls):
super(ProductSupplierDay, cls).__setup__()
cls._order.insert(0, ('weekday', 'ASC'))
@staticmethod
def default_weekday():
return '0'