Ovetride the create invoice button (_prepare_invoice) in active sale order in new api

Question

create 2 new fields in sale order and invoice lines as  “Order Type” and “Staff”.  When Creating Customer Invoice, pass the value of “Order Type”, “Staff” from SO to the corresponding fields in all invoice lines..
class SaleOrderForm(models.Model):
_inherit = "sale.order"
order_type = fields.Many2one('account.analytic.account', string='Order Type)
staff = fields.Many2one('account.analytic.account', string='Staff', required=True)
def _prepare_invoice(self, cr, uid, order, lines, context=None):
se

kampeons · Accepted Answer

Try this, It will work..

@api.modeldef _prepare_invoice(self, order, lines):
print "****************Invoice Gen*****************"
print order.order_type.name
print lines
res = super(so_form, self)._prepare_invoice(order, lines)
if lines:
for i in lines:
self.env['account.invoice.line'].search([('id', '=', i)]).write({'order_type': order.order_type.id, 'staff':order.staff.id})
return res

Miftahussalam · Answer

Try this :
@api.multi
def _prepare_invoice(self, order, lines):
self.env['account.invoice.line'].write(self._cr, self._uid, lines, {'order_type': order.order_type.id, 'staff': order.staff.id})
return super(so_form, self)._prepare_invoice(order, lines)

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