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# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2015 Acsone SA/NV (http://www.acsone.eu)
#
# 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, exceptions, _, workflow
import openerp.addons.decimal_precision as dp
class PurchaseLineCancelQuantity(models.TransientModel):
_name = 'purchase.order.line_cancel_quantity'
line_ids = fields.One2many('purchase.order.line_cancel_quantity_line',
'wizard_id', string='Lines')
@api.model
def default_get(self, fields):
ctx = self.env.context.copy()
po_ids = ctx.get('active_ids', [])
po_line_obj = self.env['purchase.order.line']
lines = []
for po_line in po_line_obj.browse(po_ids):
max_quantity = po_line.product_qty - po_line.invoiced_qty -\
po_line.cancelled_qty
lines.append({
'po_line_id': po_line.id,
'product_qty': max_quantity,
'price_unit': po_line.price_unit,
})
defaults = super(PurchaseLineCancelQuantity, self).default_get(fields)
defaults['line_ids'] = lines
return defaults
@api.multi
def cancel_quantity(self):
self.ensure_one()
for line in self.line_ids:
if line.cancelled_qty > line.product_qty:
raise exceptions.Warning(
_("""Quantity to cancel is greater
than available quantity"""))
# To allow to add some quantity already cancelled
if line.cancelled_qty < 0 and\
abs(line.cancelled_qty) > line.po_line_id.cancelled_qty:
raise exceptions.Warning(
_("""Quantity to cancel is greater
than quantity already cancelled"""))
line.po_line_id.cancelled_qty += line.cancelled_qty
workflow.trg_write(self._uid, 'purchase.order',
line.po_line_id.order_id.id, self._cr)
class PurchaseLineCancelQuantityLine(models.TransientModel):
_name = 'purchase.order.line_cancel_quantity_line'
po_line_id = fields.Many2one('purchase.order.line', 'Purchase order line',
readonly=True)
product_qty = fields.Float(
'Quantity', digits_compute=dp.get_precision('Product Unit of Measure'),
readonly=True)
price_unit = fields.Float(related='po_line_id.price_unit',
string='Unit Price', readonly=True)
cancelled_qty = fields.Float(
string='Quantity to cancel',
digits_compute=dp.get_precision('Product Unit of Measure'))
wizard_id = fields.Many2one('purchase.order.line_cancel_quantity',
'Wizard')