first commit

backend/api/routes/floor_layout.py

@@ -0,0 +1,33 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import text
+from core.database import get_session
+
+router = APIRouter()
+
+
+@router.get("")
+async def get_floor_layout(site_id: str, db: AsyncSession = Depends(get_session)):
+    row = await db.execute(
+        text("SELECT value FROM site_config WHERE site_id = :site_id AND key = 'floor_layout'"),
+        {"site_id": site_id},
+    )
+    result = row.fetchone()
+    if result is None:
+        raise HTTPException(status_code=404, detail="No floor layout saved for this site")
+    return result[0]
+
+
+@router.put("")
+async def save_floor_layout(site_id: str, layout: dict, db: AsyncSession = Depends(get_session)):
+    await db.execute(
+        text("""
+            INSERT INTO site_config (site_id, key, value, updated_at)
+            VALUES (:site_id, 'floor_layout', CAST(:value AS jsonb), NOW())
+            ON CONFLICT (site_id, key)
+            DO UPDATE SET value = EXCLUDED.value, updated_at = NOW()
+        """),
+        {"site_id": site_id, "value": __import__("json").dumps(layout)},
+    )
+    await db.commit()
+    return {"ok": True}