Initial pve cloud backup app

backend/app/settings_store.py

@@ -0,0 +1,63 @@
+from __future__ import annotations
+
+from .db import db, utc_now
+from .migrations import DEFAULT_SETTINGS
+
+
+INT_KEYS = {"default_retention_value", "max_concurrent_backups"}
+BOOL_KEYS = {"setup_complete"}
+
+
+def parse_value(key: str, value: str):
+    if key in INT_KEYS:
+        return int(value)
+    if key in BOOL_KEYS:
+        return value.lower() == "true"
+    if key == "allowed_cors_origins":
+        return [item.strip() for item in value.split(",") if item.strip()]
+    return value
+
+
+def serialize_value(key: str, value) -> str:
+    if key in BOOL_KEYS:
+        return "true" if bool(value) else "false"
+    if key == "allowed_cors_origins":
+        if isinstance(value, list):
+            return ",".join(str(item).strip() for item in value if str(item).strip())
+    return str(value)
+
+
+def get_settings() -> dict:
+    with db() as conn:
+        rows = conn.execute("SELECT key, value FROM settings").fetchall()
+    raw = {row["key"]: row["value"] for row in rows}
+    for key, value in DEFAULT_SETTINGS.items():
+        raw.setdefault(key, value)
+    return {key: parse_value(key, value) for key, value in raw.items()}
+
+
+def set_settings(values: dict) -> dict:
+    now = utc_now()
+    valid_keys = set(DEFAULT_SETTINGS)
+    unknown = set(values) - valid_keys
+    if unknown:
+        raise ValueError(f"Unknown settings: {', '.join(sorted(unknown))}")
+    with db() as conn:
+        for key, value in values.items():
+            conn.execute(
+                """
+                INSERT INTO settings(key, value, updated_at)
+                VALUES (?, ?, ?)
+                ON CONFLICT(key) DO UPDATE SET value = excluded.value, updated_at = excluded.updated_at
+                """,
+                (key, serialize_value(key, value), now),
+            )
+    return get_settings()
+
+
+def get_setting(key: str, default: str = "") -> str:
+    with db() as conn:
+        row = conn.execute("SELECT value FROM settings WHERE key = ?", (key,)).fetchone()
+    if row:
+        return row["value"]
+    return default