from odoo import api, fields, models


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

    commission_ids = fields.Many2many(
        'commission.commission',
        'sale_order_line_commission_rel',
        'line_id', 'commission_id',
        string='Комиссии',
        domain="[('active', '=', True), ('company_id', '=', company_id)]",
        help='Комиссии агентам, начисляемые по этой строке заказа. '
             'Работает по аналогии с налогами: можно выбрать несколько.',
    )
    commission_amount = fields.Monetary(
        string='Сумма комиссий', compute='_compute_commission_amount',
        store=True, currency_field='currency_id',
    )

    @api.depends(
        'commission_ids', 'price_subtotal', 'product_uom_qty', 'price_unit',
    )
    def _compute_commission_amount(self):
        for line in self:
            line.commission_amount = sum(
                commission._compute_amount(line)
                for commission in line.commission_ids
            )