[IMP] purchase_mrp: Buy route for BoM overview

Add support for "buy" route recognition in the BoM overview report, as
well as calculating receipt delay for this kind of route

Task-2628323

Part-of: odoo/odoo#93194

addons/purchase_mrp/__init__.py

@@ -2,3 +2,4 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from . import models
+from . import report

addons/purchase_mrp/__manifest__.py

@@ -21,5 +21,10 @@ from purchase order.
     'depends': ['mrp', 'purchase_stock'],
     'installable': True,
     'auto_install': True,
+    'assets': {
+        'web.assets_backend': [
+            'mrp/static/src/**/*.js',
+        ],
+    },
     'license': 'LGPL-3',
 }

addons/purchase_mrp/report/__init__.py

@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import mrp_report_bom_structure

addons/purchase_mrp/report/mrp_report_bom_structure.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, models
+
+class ReportBomStructure(models.AbstractModel):
+    _inherit = 'report.mrp.report_bom_structure'
+
+    @api.model
+    def _format_route_info(self, rules, rules_delay, warehouse, product, bom, quantity):
+        res = super()._format_route_info(rules, rules_delay, warehouse, product, bom, quantity)
+        if self._is_buy_route(rules, product, bom):
+            buy_rules = [rule for rule in rules if rule.action == 'buy']
+            supplier = product._select_seller(quantity=quantity, uom_id=product.uom_id)
+            if supplier:
+                return {
+                    'route_type': 'buy',
+                    'route_name': buy_rules[0].route_id.display_name,
+                    'route_detail': supplier.display_name,
+                    'lead_time': supplier.delay + rules_delay,
+                    'supplier_delay': supplier.delay + rules_delay,
+                    'supplier': supplier,
+                }
+        return res
+
+    @api.model
+    def _is_buy_route(self, rules, product, bom):
+        return any(rule for rule in rules if rule.action == 'buy' and product.seller_ids)
+
+    @api.model
+    def _get_resupply_availability(self, route_info, components):
+        if route_info.get('route_type') == 'buy':
+            supplier_delay = route_info.get('supplier_delay', 0)
+            return ('estimated', supplier_delay)
+        return super()._get_resupply_availability(route_info, components)

addons/purchase_mrp/static/src/components/bom_overview_line/mrp_bom_overview_line.js

@@ -0,0 +1,16 @@
+/** @odoo-module **/
+
+import { patch } from "@web/core/utils/patch";
+import { BomOverviewLine } from "@mrp/components/bom_overview_line/mrp_bom_overview_line";
+
+patch(BomOverviewLine.prototype, "purchase_mrp", {
+    /**
+     * @override
+     */
+    async goToRoute(routeType) {
+        if (routeType == "buy") {
+            return this.goToAction(this.data.link_id, this.data.link_model);
+        }
+        return this._super(...arguments);
+    }
+});