[MIG] survey_extra_fields, survey_base : modifications to make them work in v18

survey_extra_fields/models/survey_user_input.py

@@ -8,7 +8,7 @@ import os
 from typing import TYPE_CHECKING
 
 from odoo import _, models
-from odoo.exceptions import ValidationError
+from odoo.exceptions import UserError, ValidationError
 
 if TYPE_CHECKING:
     from odoo.addons.survey_extra_fields.models.survey_question import SurveyQuestion
@@ -17,12 +17,20 @@ if TYPE_CHECKING:
 class SurveyUserInput(models.Model):
     _inherit = "survey.user_input"
 
-    def save_lines(self, question: SurveyQuestion, answer: str | None, comment: str | None = None) -> None:
+    def _save_lines(
+        self,
+        question: SurveyQuestion,
+        answer: str | None,
+        comment: str | None = None,
+        overwrite_existing: bool = True,
+    ) -> None:
         if question.question_type == "file":
             old_answers = self.env["survey.user_input.line"].search([
                 ("user_input_id", "=", self.id),
                 ("question_id", "=", question.id),
             ])
+            if old_answers and not overwrite_existing:
+                raise UserError(_("This answer cannot be overwritten."))
             vals = {
                 "user_input_id": self.id,
                 "question_id": question.id,
@@ -43,7 +51,9 @@ class SurveyUserInput(models.Model):
             else:
                 self.env["survey.user_input.line"].create(vals)
         else:
-            return super().save_lines(question, answer, comment=comment)
+            return super()._save_lines(
+                question, answer, comment=comment, overwrite_existing=overwrite_existing
+            )
 
     def _check_file_constraints(
             self,