Adding the Initial WIP

app/config_store.py

@@ -0,0 +1,58 @@
+"""Redis-backed configuration storage replacing YAML file.
+
+Schema:
+  Key ups:config:json -> JSON object: {"ups": [...], "smtp": {...}|null}
+
+Migration:
+  On first load if redis key missing and legacy YAML present, import it.
+"""
+from __future__ import annotations
+from typing import Optional
+from pathlib import Path
+import json
+import logging
+from .storage import get_redis
+from .config import AppConfig, CONFIG_PATH
+import yaml
+
+logger = logging.getLogger(__name__)
+
+REDIS_CONFIG_KEY = "ups:config:json"
+
+
+def _load_legacy_yaml(path: Path) -> Optional[AppConfig]:
+    if not path.exists():
+        return None
+    try:
+        with path.open() as f:
+            raw = yaml.safe_load(f) or {}
+        return AppConfig(**raw)
+    except Exception as e:  # pragma: no cover
+        logger.warning("Failed to import legacy YAML config: %s", e)
+        return None
+
+
+def load_config_redis() -> AppConfig:
+    r = get_redis()
+    raw = r.get(REDIS_CONFIG_KEY)
+    if raw:
+        try:
+            data = json.loads(raw)
+        except json.JSONDecodeError:
+            data = {}
+        return AppConfig(**data)
+    # Migration path
+    legacy = _load_legacy_yaml(CONFIG_PATH)
+    if legacy:
+        save_config_redis(legacy)
+        logger.info("Imported legacy YAML config into Redis")
+        return legacy
+    # If nothing exists, create empty scaffold
+    empty = AppConfig(ups=[], smtp=None)
+    save_config_redis(empty)
+    return empty
+
+
+def save_config_redis(cfg: AppConfig) -> None:
+    r = get_redis()
+    r.set(REDIS_CONFIG_KEY, json.dumps(cfg.model_dump(exclude_none=True)))