##############################################################################
#
# Copyright (c) 2005-2006 TINY SPRL. (http://tiny.be) All Rights Reserved.
#
# $Id: product_expiry.py 2974 2006-04-28 17:05:28Z ged $
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
##############################################################################

import datetime
from osv import fields,osv

class stock_production_lot(osv.osv):
	_name = 'stock.production.lot'
	_inherit = 'stock.production.lot'

	def _get_date(dtype):
		def calc_date(self, cr, uid, context={}):
			if context.get('product_id', False):
				product = osv.osv_pools.get('product.product').browse(cr, uid, [context['product_id']])[0]
				duree = getattr(product, dtype) or 0
				date = datetime.datetime.today() + datetime.timedelta(days=duree)
				return date.strftime('%Y-%m-%d %H:%M:%S')
			else:
				return False
		return calc_date

	_columns = {
		'dlc': fields.datetime('Product usetime'),
		'dluo': fields.datetime('DLUO'),
		'removal_date': fields.datetime('Removal date'),
		'alert_date': fields.datetime('Alert date'),
	}

	_defaults = {
		'dlc': _get_date('life_time'),
		'dluo': _get_date('use_time'),
		'removal_date': _get_date('removal_time'),
		'alert_date': _get_date('alert_time'),
	}
stock_production_lot()

class product_product(osv.osv):
	_inherit = 'product.product'
	_name = 'product.product'
	_columns = {
		'life_time': fields.integer('Product lifetime'),
		'use_time': fields.integer('Product usetime'),
		'removal_time': fields.integer('Product removal time'),
		'alert_time': fields.integer('Product alert time'),
	}
product_product()
