refactor: specialize exception handling across all services

1 files changed, 9 insertions, 2 deletions

diff --git a/services/api/src/trading_api/routers/orders.py b/services/api/src/trading_api/routers/orders.py
index c69dc10..a29ae2f 100644
--- a/services/api/src/trading_api/routers/orders.py
+++ b/services/api/src/trading_api/routers/orders.py
@@ -5,6 +5,7 @@ import logging
 from fastapi import APIRouter, HTTPException, Request
 from shared.sa_models import OrderRow, SignalRow
 from sqlalchemy import select
+from sqlalchemy.exc import OperationalError
 
 logger = logging.getLogger(__name__)
 
@@ -35,8 +36,11 @@ async def get_orders(request: Request, limit: int = 50):
                 }
                 for r in rows
             ]
+    except OperationalError as exc:
+        logger.error("Database error fetching orders: %s", exc)
+        raise HTTPException(status_code=503, detail="Database unavailable")
     except Exception as exc:
-        logger.error("Failed to get orders: %s", exc)
+        logger.error("Failed to get orders: %s", exc, exc_info=True)
         raise HTTPException(status_code=500, detail="Failed to retrieve orders")
 
 
@@ -62,6 +66,9 @@ async def get_signals(request: Request, limit: int = 50):
                 }
                 for r in rows
             ]
+    except OperationalError as exc:
+        logger.error("Database error fetching signals: %s", exc)
+        raise HTTPException(status_code=503, detail="Database unavailable")
     except Exception as exc:
-        logger.error("Failed to get signals: %s", exc)
+        logger.error("Failed to get signals: %s", exc, exc_info=True)
         raise HTTPException(status_code=500, detail="Failed to retrieve signals")