subcontracted_service.py

from odoo import api, fields, models
from odoo.tools import float_compare

class SaleOrderLine(models.Model):
    _inherit = 'sale.order.line'

    # here we let subcontracted services create purchase orders via
    # the subcontracted_service module inside the same
    # procurement group
    # ver https://github.com/OCA/purchase-workflow/blob/12.0/subcontracted_service/tests/test_subcontracted_service.py#L49
    def _action_launch_stock_rule(self):
        """
        Launch procurement group run method with required/custom fields genrated by a
        sale order line. procurement group will launch '_run_pull', '_run_buy' or '_run_manufacture'
        depending on the sale order line product rule.
        """
        precision = self.env['decimal.precision'].precision_get('Product Unit of Measure')
        errors = []
        for line in self:
            if line.state != 'sale'\
                    or not line.product_id.property_subcontracted_service:
                # dealt in super later when a product or consumable
                continue
            qty = line._get_qty_procurement()
            if float_compare(qty, line.product_uom_qty, precision_digits=precision) >= 0:
                continue

            group_id = line.order_id.warehouse_id.subcontracting_service_proc_rule_id.group_id
            values = line._prepare_procurement_values(group_id=group_id)
            product_qty = line.product_uom_qty - qty

            procurement_uom = line.product_uom
            try:
                self.env['procurement.group'].run(line.product_id, product_qty, procurement_uom, line.order_id.partner_shipping_id.property_stock_customer, line.name, line.order_id.name, values)
            except UserError as error:
                errors.append(error.name)
        if errors:
            raise UserError('\n'.join(errors))
        return super(SaleOrderLine, self)._action_launch_stock_rule()