feat (ui): keuze default roof folder

app/services/session_service.py

@@ -11,6 +11,7 @@ from app.config import APP_DATA_DIR
 
 class SessionService:
     FILE_DATE_SETTING_KEY = "set_file_date_to_first_aired_date"
+    DEFAULT_ROOT_SETTING_KEY = "default_media_root_path"
     MAX_FILENAME_LEN = 220
 
     def __init__(self) -> None:
@@ -135,17 +136,29 @@ class SessionService:
         values = {str(row["key"]): str(row["value"]) for row in rows}
         return {
             self.FILE_DATE_SETTING_KEY: values.get(self.FILE_DATE_SETTING_KEY, "0") == "1",
+            self.DEFAULT_ROOT_SETTING_KEY: values.get(self.DEFAULT_ROOT_SETTING_KEY) or None,
         }
 
     def update_settings(self, settings: dict) -> dict:
-        if self.FILE_DATE_SETTING_KEY not in settings:
-            raise ValueError(f"missing required setting: {self.FILE_DATE_SETTING_KEY}")
-        setting_value = settings[self.FILE_DATE_SETTING_KEY]
-        if not isinstance(setting_value, bool):
+        updated_at = datetime.now(timezone.utc).isoformat()
+        current = self.get_settings()
+
+        allowed_keys = {self.FILE_DATE_SETTING_KEY, self.DEFAULT_ROOT_SETTING_KEY}
+        unknown_keys = [key for key in settings.keys() if key not in allowed_keys]
+        if unknown_keys:
+            raise ValueError(f"unknown setting key: {unknown_keys[0]}")
+
+        merged = dict(current)
+        merged.update(settings)
+
+        file_date_value = merged.get(self.FILE_DATE_SETTING_KEY)
+        if not isinstance(file_date_value, bool):
             raise ValueError(f"{self.FILE_DATE_SETTING_KEY} must be boolean")
 
-        stored_value = "1" if setting_value else "0"
-        updated_at = datetime.now(timezone.utc).isoformat()
+        default_root_path = merged.get(self.DEFAULT_ROOT_SETTING_KEY)
+        if default_root_path is not None and not isinstance(default_root_path, str):
+            raise ValueError(f"{self.DEFAULT_ROOT_SETTING_KEY} must be string or null")
+        default_root_path = (default_root_path or "").strip() or None
 
         with self._connect() as conn:
             conn.execute(
@@ -156,7 +169,17 @@ class SessionService:
                     value = excluded.value,
                     updated_at = excluded.updated_at
                 """,
-                (self.FILE_DATE_SETTING_KEY, stored_value, updated_at),
+                (self.FILE_DATE_SETTING_KEY, "1" if file_date_value else "0", updated_at),
+            )
+            conn.execute(
+                """
+                INSERT INTO app_settings (key, value, updated_at)
+                VALUES (?, ?, ?)
+                ON CONFLICT(key) DO UPDATE SET
+                    value = excluded.value,
+                    updated_at = excluded.updated_at
+                """,
+                (self.DEFAULT_ROOT_SETTING_KEY, default_root_path or "", updated_at),
             )
 
         return self.get_settings()