feat: saxo history

backend/routers/saxo.py

@@ -5,7 +5,7 @@ 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
+from services.database import get_saxo_snapshots, get_saxo_snapshot_symbols
 
 router = APIRouter(prefix="/api/saxo", tags=["saxo"])
 
@@ -36,6 +36,35 @@ def update_watchlist(req: WatchlistRequest):
     return {"symbols": get_watchlist()}
 
 
+def _validate_symbol(symbol: str) -> dict:
+    from services.saxo_client import resolve_option_root_uic, SaxoNotConnected
+    try:
+        uic = resolve_option_root_uic(symbol)
+        return {"symbol": symbol.upper(), "valid": True, "uic": uic, "error": None}
+    except SaxoNotConnected as e:
+        return {"symbol": symbol.upper(), "valid": False, "uic": None, "error": str(e)}
+    except Exception as e:
+        return {"symbol": symbol.upper(), "valid": False, "uic": None, "error": str(e)}
+
+
+@router.get("/validate")
+def validate_watchlist():
+    """Checks each watchlist symbol actually resolves to a real Saxo option-root instrument."""
+    return [_validate_symbol(s) for s in get_watchlist()]
+
+
+@router.get("/validate/{symbol}")
+def validate_symbol(symbol: str):
+    return _validate_symbol(symbol)
+
+
+@router.get("/symbols")
+def symbols_with_history():
+    """Distinct symbols that already have recorded snapshot history (may differ from the
+    current watchlist — includes ad-hoc 'snapshot now' calls and previously-tracked symbols)."""
+    return get_saxo_snapshot_symbols()
+
+
 @router.post("/snapshot-now/{symbol}")
 def snapshot_now(symbol: str):
     from services.saxo_client import snapshot_options_chain, SaxoNotConnected

backend/services/database.py

@@ -6116,3 +6116,13 @@ def get_saxo_snapshots(symbol: Optional[str] = None, date_from: Optional[str] =
     rows = conn.execute(query, params).fetchall()
     conn.close()
     return [dict(r) for r in rows]
+
+
+def get_saxo_snapshot_symbols() -> List[Dict[str, Any]]:
+    conn = get_conn()
+    rows = conn.execute("""
+        SELECT symbol, COUNT(*) AS rows_count, MIN(snapshot_date) AS first_date, MAX(snapshot_date) AS last_date
+        FROM saxo_option_snapshots GROUP BY symbol ORDER BY symbol
+    """).fetchall()
+    conn.close()
+    return [dict(r) for r in rows]