manufacture/mrp_subcontracting_purchase/models/stock_picking.py

# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import _, api, fields, models


class StockPicking(models.Model):
    _inherit = "stock.picking"

    subcontracting_source_purchase_count = fields.Integer(
        "Number of subcontracting PO Source",
        compute="_compute_subcontracting_source_purchase_count",
        help="Number of subcontracting Purchase Order Source",
    )

    @api.depends("move_lines.move_dest_ids.raw_material_production_id")
    def _compute_subcontracting_source_purchase_count(self):
        for picking in self:
            picking.subcontracting_source_purchase_count = len(
                picking._get_subcontracting_source_purchase()
            )

    def action_view_subcontracting_source_purchase(self):
        purchase_order_ids = self._get_subcontracting_source_purchase().ids
        action = {
            "res_model": "purchase.order",
            "type": "ir.actions.act_window",
        }
        if len(purchase_order_ids) == 1:
            action.update(
                {
                    "view_mode": "form",
                    "res_id": purchase_order_ids[0],
                }
            )
        else:
            action.update(
                {
                    "name": _("Source PO of %s", self.name),
                    "domain": [("id", "in", purchase_order_ids)],
                    "view_mode": "tree,form",
                }
            )
        return action

    def _get_subcontracting_source_purchase(self):
        moves_subcontracted = self.move_lines.move_dest_ids.raw_material_production_id.move_finished_ids.move_dest_ids.filtered(  # noqa
            lambda m: m.is_subcontract
        )
        return moves_subcontracted.purchase_line_id.order_id