incremental DN number (customized Sequence Number for Delivery Note)

When press "Validate" button in delivery note. It will replace a new DN number

Create a customized sequence number




class SaleOrder(models.Model):

    _inherit = 'stock.picking'

 

    vendor_dn_no = fields.Char('Vendor DN')

    client_order_ref_so = fields.Char('Customer Po no', related='sale_id.client_order_ref', store=True, readonly=True)

 

    @api.multi

    def button_validate(self):

        self.ensure_one()

        if not self.move_lines and not self.move_line_ids:

            raise UserError(_('Please add some items to move.'))

 

        # If no lots when needed, raise error

        picking_type = self.picking_type_id

        precision_digits = self.env['decimal.precision'].precision_get('Product Unit of Measure')

        no_quantities_done = all(float_is_zero(move_line.qty_done, precision_digits=precision_digits) for move_line in self.move_line_ids.filtered(lambda m: m.state not in ('done', 'cancel')))

        no_reserved_quantities = all(float_is_zero(move_line.product_qty, precision_rounding=move_line.product_uom_id.rounding) for move_line in self.move_line_ids)

        if no_reserved_quantities and no_quantities_done:

            raise UserError(_('You cannot validate a transfer if no quantites are reserved nor done. To force the transfer, switch in edit more and encode the done quantities.'))

 

        if picking_type.use_create_lots or picking_type.use_existing_lots:

            lines_to_check = self.move_line_ids

            if not no_quantities_done:

                lines_to_check = lines_to_check.filtered(

                    lambda line: float_compare(line.qty_done, 0,

                                               precision_rounding=line.product_uom_id.rounding)

                )

 

            for line in lines_to_check:

                product = line.product_id

                if product and product.tracking != 'none':

                    if not line.lot_name and not line.lot_id:

                        raise UserError(_('You need to supply a Lot/Serial number for product %s.') % product.display_name)

 

        if no_quantities_done:

            view = self.env.ref('stock.view_immediate_transfer')

            wiz = self.env['stock.immediate.transfer'].create({'pick_ids': [(4, self.id)]})

            return {

                'name': _('Immediate Transfer?'),

                'type': 'ir.actions.act_window',

                'view_type': 'form',

                'view_mode': 'form',

                'res_model': 'stock.immediate.transfer',

                'views': [(view.id, 'form')],

                'view_id': view.id,

                'target': 'new',

                'res_id': wiz.id,

                'context': self.env.context,

            }

 

        if self._get_overprocessed_stock_moves() and not self._context.get('skip_overprocessed_check'):

            view = self.env.ref('stock.view_overprocessed_transfer')

            wiz = self.env['stock.overprocessed.transfer'].create({'picking_id': self.id})

            return {

                'type': 'ir.actions.act_window',

                'view_type': 'form',

                'view_mode': 'form',

                'res_model': 'stock.overprocessed.transfer',

                'views': [(view.id, 'form')],

                'view_id': view.id,

                'target': 'new',

                'res_id': wiz.id,

                'context': self.env.context,

            }

 

        # Check backorder should check for other barcodes

        self.name = self.env['ir.sequence'].next_by_code('stock.picking.small')

        if self._check_backorder():

            return self.action_generate_backorder_wizard()

        self.action_done()

        return



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