fix file date release to option not required

nfoguard.py

@@ -97,6 +97,7 @@ class NFOGuardConfig:
         # Movie processing
         self.movie_priority = os.environ.get("MOVIE_PRIORITY", "import_then_digital").lower()
         self.prefer_release_dates_over_file_dates = _bool_env("PREFER_RELEASE_DATES_OVER_FILE_DATES", True)
+        self.allow_file_date_fallback = _bool_env("ALLOW_FILE_DATE_FALLBACK", False)
         self.release_date_priority = [p.strip() for p in os.environ.get("RELEASE_DATE_PRIORITY", "digital,physical,theatrical").split(",")]
         self.movie_poll_mode = os.environ.get("MOVIE_POLL_MODE", "always").lower()
         self.movie_update_mode = os.environ.get("MOVIE_DATE_UPDATE_MODE", "backfill_only").lower()
@@ -431,6 +432,12 @@ class MovieProcessor:
         # Decide dates
         dateadded, source, released = self._decide_movie_dates(imdb_id, movie_path, should_query, existing)
         
+        # Skip processing if no valid date found and file dates disabled
+        if dateadded is None:
+            _log("WARNING", f"Skipping movie {movie_path.name} - no valid date source available")
+            self.db.upsert_movie_dates(imdb_id, released, None, source, True)
+            return
+        
         # Create NFO
         if config.manage_nfo:
             self.nfo_manager.create_movie_nfo(
@@ -466,7 +473,7 @@ class MovieProcessor:
             if radarr_movie:
                 movie_id = radarr_movie.get("id")
                 if movie_id:
-                    import_date, import_source = self.radarr.get_movie_import_date(movie_id)
+                    import_date, import_source = self.radarr.get_movie_import_date(movie_id, fallback_to_file_date=config.allow_file_date_fallback)
             
             # Check if we got a real import date or just file date fallback
             if import_date and import_source != "radarr:db.file.dateAdded":
@@ -499,12 +506,16 @@ class MovieProcessor:
             if radarr_movie:
                 movie_id = radarr_movie.get("id")
                 if movie_id:
-                    import_date, import_source = self.radarr.get_movie_import_date(movie_id)
+                    import_date, import_source = self.radarr.get_movie_import_date(movie_id, fallback_to_file_date=config.allow_file_date_fallback)
                     if import_date:
                         return import_date, import_source, released
         
-        # Last resort: file mtime
-        return self._get_file_mtime_date(movie_path)
+        # Last resort: file mtime (if allowed)
+        if config.allow_file_date_fallback:
+            return self._get_file_mtime_date(movie_path)
+        else:
+            _log("INFO", f"No valid dates found for {imdb_id} and file date fallback disabled - skipping NFO creation")
+            return None, "no_valid_date_source", None
     
     def _get_digital_release_date(self, imdb_id: str) -> Tuple[Optional[str], str]:
         """Get release date from external sources using configured priority"""