Saxo connector

backend/routers/saxo.py

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+from typing import List, Optional
+
+from fastapi import APIRouter, HTTPException, Query
+from pydantic import BaseModel
+
+from services import saxo_auth
+from services.saxo_scheduler import get_watchlist, set_watchlist
+from services.database import get_saxo_snapshots
+
+router = APIRouter(prefix="/api/saxo", tags=["saxo"])
+
+
+class WatchlistRequest(BaseModel):
+    symbols: List[str]
+
+
+@router.get("/status")
+def status():
+    return saxo_auth.get_status()
+
+
+@router.post("/disconnect")
+def disconnect():
+    saxo_auth.disconnect()
+    return {"disconnected": True}
+
+
+@router.get("/watchlist")
+def watchlist():
+    return {"symbols": get_watchlist()}
+
+
+@router.put("/watchlist")
+def update_watchlist(req: WatchlistRequest):
+    set_watchlist(req.symbols)
+    return {"symbols": get_watchlist()}
+
+
+@router.post("/snapshot-now/{symbol}")
+def snapshot_now(symbol: str):
+    from services.saxo_client import snapshot_options_chain, SaxoNotConnected
+    from services.database import save_saxo_snapshot_rows
+    try:
+        rows = snapshot_options_chain(symbol)
+    except SaxoNotConnected as e:
+        raise HTTPException(status_code=401, detail=str(e))
+    except ValueError as e:
+        raise HTTPException(status_code=502, detail=str(e))
+    save_saxo_snapshot_rows(rows)
+    return {"symbol": symbol.upper(), "rows_saved": len(rows)}
+
+
+@router.get("/history")
+def history(
+    symbol: Optional[str] = Query(None),
+    date_from: Optional[str] = Query(None),
+    date_to: Optional[str] = Query(None),
+):
+    return get_saxo_snapshots(symbol, date_from, date_to)