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sale.py
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sale.py
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# -*- encoding: utf-8 -*-
##############################################################################
#
# Sale Start End Dates module for Odoo
# Copyright (C) 2014-2015 Akretion (http://www.akretion.com)
# @author Alexis de Lattre <alexis.delattre@akretion.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from openerp import models, fields, api, _
from openerp.exceptions import ValidationError
from dateutil.relativedelta import relativedelta
class SaleOrder(models.Model):
_inherit = 'sale.order'
default_start_date = fields.Date(string='Default Start Date')
default_end_date = fields.Date(string='Default End Date')
@api.one
@api.constrains('default_start_date', 'default_end_date')
def _check_default_start_end_dates(self):
if (
self.default_start_date and
self.default_end_date and
self.default_start_date > self.default_end_date):
raise ValidationError(
_("Default Start Date should be before or be the "
"same as Default End Date for sale order %s")
% self.name)
@api.onchange('default_start_date')
def default_start_date_change(self):
if (
self.default_start_date and
self.default_end_date and
self.default_start_date > self.default_end_date):
self.default_end_date = self.default_start_date
@api.onchange('default_end_date')
def default_end_date_change(self):
if (
self.default_start_date and
self.default_end_date and
self.default_start_date > self.default_end_date):
self.default_start_date = self.default_end_date
class SaleOrderLine(models.Model):
_inherit = 'sale.order.line'
@api.one
@api.depends('start_date', 'end_date')
def _compute_number_of_days(self):
if self.start_date and self.end_date:
self.number_of_days = (
fields.Date.from_string(self.end_date) -
fields.Date.from_string(self.start_date)).days + 1
else:
self.number_of_days = 0
start_date = fields.Date(
string='Start Date', readonly=True,
states={'draft': [('readonly', False)]})
end_date = fields.Date(
string='End Date', readonly=True,
states={'draft': [('readonly', False)]})
number_of_days = fields.Integer(string='Number of Days')
must_have_dates = fields.Boolean(
string='Must Have Start and End Dates', readonly=True,
states={'draft': [('readonly', False)]})
@api.one
@api.constrains('start_date', 'end_date', 'number_of_days')
def _check_start_end_dates(self):
if self.product_id and self.must_have_dates:
if not self.end_date:
raise ValidationError(
_("Missing End Date for sale order line with "
"Product '%s'.")
% (self.product_id.name))
if not self.start_date:
raise ValidationError(
_("Missing Start Date for sale order line with "
"Product '%s'.")
% (self.product_id.name))
if not self.number_of_days:
raise ValidationError(
_("Missing number of days for sale order line with "
"Product '%s'.")
% (self.product_id.name))
if self.start_date > self.end_date:
raise ValidationError(
_("Start Date should be before or be the same as "
"End Date for sale order line with Product '%s'.")
% (self.product_id.name))
if self.number_of_days < 0:
raise ValidationError(
_("On sale order line with Product '%s', the "
"number of days is negative ; this is not allowed.")
% (self.product_id.name))
days_delta = (
fields.Date.from_string(self.end_date) -
fields.Date.from_string(self.start_date)).days + 1
if self.number_of_days != days_delta:
raise ValidationError(
_("On the sale order line with Product '%s', "
"there are %d days between the Start Date (%s) and "
"the End Date (%s), but the number of days field "
"has a value of %d days.")
% (self.product_id.name, days_delta, self.start_date,
self.end_date, self.number_of_days))
@api.model
def _prepare_order_line_invoice_line(self, line, account_id=False):
res = super(SaleOrderLine, self)._prepare_order_line_invoice_line(
line, account_id=account_id)
if line.must_have_dates:
res.update({
'start_date': line.start_date,
'end_date': line.end_date,
})
return res
@api.onchange('end_date')
def end_date_change(self):
if self.end_date:
if self.start_date and self.start_date > self.end_date:
self.start_date = self.end_date
if self.start_date:
number_of_days = (
fields.Date.from_string(self.end_date) -
fields.Date.from_string(self.start_date)).days + 1
if self.number_of_days != number_of_days:
self.number_of_days = number_of_days
@api.onchange('start_date')
def start_date_change(self):
if self.start_date:
if self.end_date and self.start_date > self.end_date:
self.end_date = self.start_date
if self.end_date:
number_of_days = (
fields.Date.from_string(self.end_date) -
fields.Date.from_string(self.start_date)).days + 1
if self.number_of_days != number_of_days:
self.number_of_days = number_of_days
@api.onchange('number_of_days')
def number_of_days_change(self):
if self.number_of_days:
if self.start_date:
end_date_dt = fields.Date.from_string(self.start_date) +\
relativedelta(days=self.number_of_days - 1)
end_date = fields.Date.to_string(end_date_dt)
if self.end_date != end_date:
self.end_date = end_date
elif self.end_date:
self.start_date = fields.Date.from_string(self.end_date) -\
relativedelta(days=self.number_of_days - 1)
@api.multi
def product_id_change(
self, pricelist, product, qty=0,
uom=False, qty_uos=0, uos=False, name='', partner_id=False,
lang=False, update_tax=True, date_order=False, packaging=False,
fiscal_position=False, flag=False):
res = super(SaleOrderLine, self).product_id_change(
pricelist, product, qty=qty, uom=uom,
qty_uos=qty_uos, uos=uos, name=name, partner_id=partner_id,
lang=lang, update_tax=update_tax, date_order=date_order,
packaging=packaging, fiscal_position=fiscal_position,
flag=flag)
if not product:
res['value'].update({
'must_have_dates': False,
'start_date': False,
'end_date': False,
})
else:
product_o = self.env['product.product'].browse(product)
if product_o.must_have_dates:
res['value']['must_have_dates'] = True
if self.env.context.get('default_start_date'):
res['value']['start_date'] = self.env.context.get(
'default_start_date')
if self.env.context.get('default_end_date'):
res['value']['end_date'] = self.env.context.get(
'default_end_date')
else:
res['value'].update({
'must_have_dates': False,
'start_date': False,
'end_date': False,
})
return res