[18.0][FIX] base_exception: Rollback transaction if we detect exceptions

base_exception/__manifest__.py

@@ -24,4 +24,9 @@
         "views/base_exception_view.xml",
     ],
     "installable": True,
+    "assets": {
+        "web.assets_backend": [
+            "base_exception/static/src/js/base_exception.js",
+        ],
+    },
 }

base_exception/exceptions.py

@@ -0,0 +1,8 @@
+# Copyright 2025 Camptocamp SA
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl)
+
+from odoo.exceptions import UserError
+
+
+class BaseExceptionError(UserError):
+    pass

base_exception/models/base_exception_method.py

@@ -8,10 +8,13 @@
 from collections import defaultdict
 
 from odoo import _, api, models
+from odoo.api import Environment
 from odoo.exceptions import UserError
 from odoo.osv import expression
 from odoo.tools.safe_eval import safe_eval
 
+from ..exceptions import BaseExceptionError
+
 _logger = logging.getLogger(__name__)
 
 
@@ -84,12 +87,30 @@ def detect_exceptions(self):
         # the "to remove" part generates one DELETE per rule on the relation
         # table
         # and the "to add" part generates one INSERT (with unnest) per rule.
-        for rule_id, records in rules_to_remove.items():
-            records.write({"exception_ids": [(3, rule_id)]})
-        for rule_id, records in rules_to_add.items():
-            records.write({"exception_ids": [(4, rule_id)]})
+        raise_exception = False
+        # Write exceptions in a new transaction to be committed so that we can
+        #  rollback the ongoing one while keeping the exceptions stored
+        with self.env.registry.cursor() as new_cr:
+            new_env = Environment(new_cr, self.env.uid, self.env.context)
+            for rule_id, records in rules_to_remove.items():
+                records.with_env(new_env).write({"exception_ids": [(3, rule_id)]})
+            for rule_id, records in rules_to_add.items():
+                records.with_env(new_env).write({"exception_ids": [(4, rule_id)]})
+            # In case we have new exception, or exceptions that were not ignored yet, or
+            #  blocking exceptions, we need to raise an exception to rollback the
+            #  ongoing transaction
+            self_new_env = self.with_env(new_env)
+            if rules_to_add or self_new_env._must_raise_exception_after_detection():
+                raise_exception = True
+        if raise_exception:
+            raise BaseExceptionError("Exceptions detected")
         return all_exception_ids
 
+    def _must_raise_exception_after_detection(self):
+        return not all(
+            rec.ignore_exception for rec in self if rec.exception_ids
+        ) or any(rule.is_blocking for rule in self.mapped("exception_ids"))
+
     @api.model
     def _exception_rule_eval_context(self, rec):
         return {

base_exception/static/src/js/base_exception.js

@@ -0,0 +1,62 @@
+import {patch} from "@web/core/utils/patch";
+import {rpc} from "@web/core/network/rpc";
+import {FormController} from "@web/views/form/form_controller";
+
+// keep track of the current FormController by storing it
+const activeForm = {
+    controller: null,
+};
+
+patch(FormController.prototype, {
+    setup() {
+        super.setup();
+        activeForm.controller = this;
+    },
+    willUnmount() {
+        if (activeForm.controller === this) {
+            activeForm.controller = null;
+        }
+        super.willUnmount();
+    },
+});
+
+async function refreshExceptionIdsField() {
+    const controller = activeForm.controller;
+    if (!controller) return false;
+
+    const model = controller.model;
+    const root = model?.root;
+    const resModel = root?.resModel;
+    const resId = root?.resId;
+
+    if (!resModel || !resId) return false;
+
+    // Use services from the controller's env (OWL environment)
+    const orm = controller.env.services.orm;
+
+    // Read the latest value for just that field
+    await orm.read(resModel, [resId], ["exception_ids"]);
+
+    // Reload the record; OWL will re-render the field
+    await root.load();
+    return true;
+}
+
+patch(rpc, {
+    async _rpc(url, params = {}, settings = {}) {
+        try {
+            return await super._rpc(url, params, settings);
+        } catch (error) {
+            if (
+                error.exceptionName ===
+                "odoo.addons.base_exception.exceptions.BaseExceptionError"
+            ) {
+                await refreshExceptionIdsField();
+                // Swallow the error so no stacktrace dialog appears.
+                // Return a never-resolving promise to stop further handling cleanly
+                return new Promise(() => {});
+            }
+            throw error;
+        }
+    },
+});

base_exception/tests/test_base_exception.py

@@ -2,11 +2,20 @@
 # Copyright 2020 Hibou Corp.
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
 
+try:
+    from decorator import decoratorx as decorator
+except ImportError:
+    from decorator import decorator
+
+from unittest.mock import patch
+
 from odoo_test_helper import FakeModelLoader
 
 from odoo.exceptions import UserError, ValidationError
 from odoo.tests import TransactionCase
 
+from ..exceptions import BaseExceptionError
+
 
 class TestBaseException(TransactionCase):
     def setUp(self):
@@ -47,10 +56,29 @@ def setUp(self):
             }
         )
 
+    @decorator
+    def swallow_base_exception_error(func, self):
+        def wrapper(*args, **kwargs):
+            try:
+                return func(*args, **kwargs)
+            except BaseExceptionError:
+                return None
+
+        return wrapper
+
+    @decorator
+    def patch_base_exception_method_env(func, self):
+        with patch(
+            "odoo.addons.base_exception.models.base_exception_method.Environment"
+        ) as mocked_env:
+            mocked_env.return_value = self.env
+            return func(self)
+
     def tearDown(self):
         self.loader.restore_registry()
         return super().tearDown()
 
+    @patch_base_exception_method_env
     def test_valid(self):
         self.partner.write({"zip": "00000"})
         self.exception_rule.active = False
@@ -61,12 +89,16 @@ def test_exception_rule_confirm(self):
         self.exception_rule_confirm.action_confirm()
         self.assertFalse(self.exception_rule_confirm.exception_ids)
 
+    @patch_base_exception_method_env
+    @swallow_base_exception_error
     def test_fail_by_py(self):
         with self.assertRaises(ValidationError):
             self.po.button_confirm()
         self.po.with_context(raise_exception=False).button_confirm()
         self.assertTrue(self.po.exception_ids)
 
+    @patch_base_exception_method_env
+    @swallow_base_exception_error
     def test_fail_by_domain(self):
         self.exception_rule.write(
             {
@@ -79,6 +111,8 @@ def test_fail_by_domain(self):
         self.po.with_context(raise_exception=False).button_confirm()
         self.assertTrue(self.po.exception_ids)
 
+    @patch_base_exception_method_env
+    @swallow_base_exception_error
     def test_fail_by_method(self):
         self.exception_rule.write(
             {
@@ -91,6 +125,8 @@ def test_fail_by_method(self):
         self.po.with_context(raise_exception=False).button_confirm()
         self.assertTrue(self.po.exception_ids)
 
+    @patch_base_exception_method_env
+    @swallow_base_exception_error
     def test_ignorable_exception(self):
         # Block because of exception during validation
         with self.assertRaises(ValidationError):
@@ -116,6 +152,7 @@ def test_purchase_check_button_draft(self):
         self.po.button_draft()
         self.assertEqual(self.po.state, "draft")
 
+    @patch_base_exception_method_env
     def test_purchase_check_button_confirm(self):
         self.partner.write({"zip": "00000"})
         self.po.button_confirm()
@@ -125,9 +162,13 @@ def test_purchase_check_button_cancel(self):
         self.po.button_cancel()
         self.assertEqual(self.po.state, "cancel")
 
+    @patch_base_exception_method_env
+    @swallow_base_exception_error
     def test_detect_exceptions(self):
         self.po.detect_exceptions()
 
+    @patch_base_exception_method_env
+    @swallow_base_exception_error
     def test_blocking_exception(self):
         self.exception_rule.is_blocking = True
         # Block because of exception during validation