init: 初始化项目

backend/app/api/settings.py

@@ -0,0 +1,34 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from app.core.database import get_db
+from app.models.system_config import SystemConfig
+
+router = APIRouter(prefix="/settings", tags=["系统设置"])
+
+
+@router.get("")
+async def get_all_settings(db: AsyncSession = Depends(get_db)):
+    result = await db.execute(select(SystemConfig))
+    configs = result.scalars().all()
+    return {c.key: c.value for c in configs}
+
+
+@router.put("/{key}")
+async def update_setting(key: str, body: dict, db: AsyncSession = Depends(get_db)):
+    result = await db.execute(select(SystemConfig).where(SystemConfig.key == key))
+    config = result.scalar_one_or_none()
+
+    value = body.get("value", "")
+    description = body.get("description", "")
+
+    if config:
+        config.value = value
+        if description:
+            config.description = description
+    else:
+        config = SystemConfig(key=key, value=value, description=description)
+        db.add(config)
+
+    await db.flush()
+    return {"key": key, "value": value}