[16.0][IMP] product_packaging_unece: cache UNECE code mapping

product_packaging_unece/models/product_packaging_level.py

@@ -1,7 +1,9 @@
 # Copyright 2026 ACSONE SA/NV
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+from collections import defaultdict
 
-from odoo import fields, models
+from odoo import api, fields, models
+from odoo.tools import ormcache
 
 
 class ProductPackagingLevel(models.Model):
@@ -16,3 +18,34 @@ class ProductPackagingLevel(models.Model):
         "nomenclature of the United Nations Economic "
         "Commission for Europe (UNECE), DataElement Rec 21)",
     )
+
+    @api.model
+    @ormcache()
+    def _get_packaging_level_ids_by_unece_code(self):
+        res = defaultdict(list)
+        for level in self.search([("unece_type_ids", "!=", False)]):
+            for unece_type in level.unece_type_ids:
+                res[unece_type.code].append(level.id)
+        return res
+
+    def get_packaging_level_ids_by_unece_code(self, *unece_codes):
+        mapping = self._get_packaging_level_ids_by_unece_code()
+        if len(unece_codes) == 1 and isinstance(unece_codes[0], (list, tuple, set)):
+            unece_codes = unece_codes[0]
+        return [lid for code in unece_codes for lid in mapping.get(code, [])]
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        records = super().create(vals_list)
+        self._get_packaging_level_ids_by_unece_code.clear_cache(self)
+        return records
+
+    def write(self, vals):
+        res = super().write(vals)
+        self._get_packaging_level_ids_by_unece_code.clear_cache(self)
+        return res
+
+    def unlink(self):
+        res = super().unlink()
+        self._get_packaging_level_ids_by_unece_code.clear_cache(self)
+        return res

product_packaging_unece/tests/__init__.py

@@ -0,0 +1 @@
+from . import test_product_packaging_unece

product_packaging_unece/tests/test_product_packaging_unece.py

@@ -0,0 +1,66 @@
+# Copyright 2026 ACSONE SA/NV
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import Command
+from odoo.tests.common import TransactionCase
+
+
+class TestProductPackagingUnece(TransactionCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.level_model = cls.env["product.packaging.level"]
+        cls.unece_bx = cls.env.ref("product_packaging_unece.unece_packaging_bx")
+        cls.unece_ct = cls.env.ref("product_packaging_unece.unece_packaging_ct")
+        cls.unece_pl = cls.env.ref("product_packaging_unece.unece_packaging_pl")
+
+        cls.level_box = cls.level_model.create(
+            {
+                "name": "Box level",
+                "code": "BX",
+                "sequence": 1,
+                "unece_type_ids": [Command.set([cls.unece_bx.id])],
+            }
+        )
+        cls.level_carton_pallet = cls.level_model.create(
+            {
+                "name": "Carton/Pallet level",
+                "code": "CA",
+                "sequence": 2,
+                "unece_type_ids": [Command.set([cls.unece_ct.id, cls.unece_pl.id])],
+            }
+        )
+        cls.level_pallet = cls.level_model.create(
+            {
+                "name": "Pallet level",
+                "code": "PL",
+                "sequence": 3,
+                "unece_type_ids": [Command.set([cls.unece_pl.id])],
+            }
+        )
+
+    def test_get_packaging_level_ids_by_one_code(self):
+        level_ids = self.level_model.get_packaging_level_ids_by_unece_code("BX")
+        self.assertEqual(set(level_ids), {self.level_box.id})
+
+    def test_get_packaging_level_ids_by_multiple_codes(self):
+        level_ids = self.level_model.get_packaging_level_ids_by_unece_code("BX", "PL")
+        self.assertEqual(
+            set(level_ids),
+            {self.level_box.id, self.level_carton_pallet.id, self.level_pallet.id},
+        )
+
+    def test_get_packaging_level_ids_by_list_of_codes(self):
+        level_ids = self.level_model.get_packaging_level_ids_by_unece_code(["CT", "PL"])
+        self.assertEqual(
+            set(level_ids),
+            {self.level_carton_pallet.id, self.level_pallet.id},
+        )
+
+    def test_get_packaging_level_ids_by_unknown_code(self):
+        level_ids = self.level_model.get_packaging_level_ids_by_unece_code("XXX")
+        self.assertEqual(level_ids, [])
+
+    def test_get_packaging_level_ids_by_false_code(self):
+        level_ids = self.level_model.get_packaging_level_ids_by_unece_code(False)
+        self.assertEqual(level_ids, [])