Added fee

database/request.py

@@ -1219,6 +1219,34 @@ async def get_all_symbols(tg_id: int):
         return []
 
 
+async def set_fee_user_deal_by_symbol(tg_id: int, symbol: str, fee: float):
+    """Set fee for a user deal by symbol in the database."""
+    try:
+        async with async_session() as session:
+            result = await session.execute(select(User).filter_by(tg_id=tg_id))
+            user = result.scalars().first()
+            if user is None:
+                logger.error(f"User with tg_id={tg_id} not found")
+                return False
+
+            result = await session.execute(
+                select(UserDeals).filter_by(user_id=user.id, symbol=symbol)
+            )
+            record = result.scalars().first()
+
+            if record:
+                record.fee = fee
+            else:
+                logger.error(f"User deal with user_id={user.id} and symbol={symbol} not found")
+                return False
+            await session.commit()
+            logger.info("Set fee for user %s and symbol %s", tg_id, symbol)
+            return True
+    except Exception as e:
+        logger.error("Error setting user deal fee for user %s and symbol %s: %s", tg_id, symbol, e)
+        return False
+
+
 # USER AUTO TRADING
 
 async def get_user_auto_trading(tg_id: int, symbol: str):