[17.0][IMP-FIX] survey_multi_company: run survey access with correct company context

survey_multi_company/__init__.py

@@ -1 +1,2 @@
+from . import controllers
 from . import models

survey_multi_company/controllers/__init__.py

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

survey_multi_company/controllers/main.py

@@ -0,0 +1,30 @@
+# Copyright 2025 Tecnativa - Pilar Vargas
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+
+from odoo.addons.survey.controllers.main import Survey
+
+
+class SurveyMultiCompany(Survey):
+    def _get_access_data(
+        self, survey_token, answer_token, ensure_token=True, check_partner=True
+    ):
+        # Web survey access in multi-company environments may lack an explicit active
+        # company, causing request.env.company to default to the user's default company
+        # or the first allowed one. This can lead to incorrect rule evaluation, access
+        # errors, or company-specific logic failures. To ensure consistent behavior, we
+        # explicitly switch to the company assigned to the survey.
+        data = super()._get_access_data(
+            survey_token,
+            answer_token,
+            ensure_token=ensure_token,
+            check_partner=check_partner,
+        )
+        survey_sudo = data.get("survey_sudo")
+        if survey_sudo and survey_sudo.company_id:
+            data["survey_sudo"] = survey_sudo.with_company(survey_sudo.company_id)
+            if data.get("answer_sudo"):
+                data["answer_sudo"] = data["answer_sudo"].with_company(
+                    survey_sudo.company_id
+                )
+        return data