Added a function to set the direction of the first transaction

app/telegram/handlers/main_settings/additional_settings.py

@@ -105,10 +105,10 @@ async def trade_mode(callback_query: CallbackQuery, state: FSMContext) -> None:
         await state.clear()
 
 
-@router_additional_settings.callback_query(F.data == "switch_side_start")
-async def switch_side_start(callback_query: CallbackQuery, state: FSMContext) -> None:
+@router_additional_settings.callback_query(F.data == "switch_side_second")
+async def switch_side_second(callback_query: CallbackQuery, state: FSMContext) -> None:
     """
-    Handles the 'switch_side_start' callback query.
+    Handles the 'switch_side_second' callback query.
 
     Clears the current FSM state, edits the message text to display the switch side start message,
     and shows an inline keyboard for selection.
@@ -123,13 +123,13 @@ async def switch_side_start(callback_query: CallbackQuery, state: FSMContext) ->
     try:
         await state.clear()
         await callback_query.message.edit_text(
-            text="Выберите направление первой сделки серии:\n\n"
+            text="Выберите направление первой сделки последующих серии:\n\n"
                  "По направлению - сделка открывается в направлении последней сделки предыдущей серии.\n"
                  "Противоположно - сделка открывается в противоположном направлении последней сделки предыдущей серии.\n",
             reply_markup=kbi.switch_side,
         )
         logger.debug(
-            "Command switch_side_start processed successfully for user: %s",
+            "Command switch_side_second processed successfully for user: %s",
             callback_query.from_user.id,
         )
     except Exception as e:
@@ -137,7 +137,7 @@ async def switch_side_start(callback_query: CallbackQuery, state: FSMContext) ->
             text="Произошла ошибка. Пожалуйста, попробуйте позже."
         )
         logger.error(
-            "Error processing command switch_side_start for user %s: %s",
+            "Error processing command switch_side_second for user %s: %s",
             callback_query.from_user.id,
             e,
         )
@@ -193,6 +193,89 @@ async def switch_side_handler(callback_query: CallbackQuery, state: FSMContext)
         await state.clear()
 
 
+@router_additional_settings.callback_query(F.data == "switch_side_start")
+async def switch_side_start(callback_query: CallbackQuery, state: FSMContext) -> None:
+    """
+    Handles the 'switch_side_start' callback query.
+
+    Clears the current FSM state, edits the message text to display the switch side second message,
+    and shows an inline keyboard for selection.
+
+    Args:
+        callback_query (CallbackQuery): Incoming callback query from Telegram inline keyboard.
+        state (FSMContext): Finite State Machine context for the current user session.
+
+    Logs:
+        Success or error messages with user identification.
+    """
+    try:
+        await state.clear()
+        await callback_query.message.edit_text(
+            text="Выберите направление первой сделки:\n\n", reply_markup=kbi.side_for_switch
+        )
+        logger.debug(
+            "Command switch_side_start processed successfully for user: %s",
+            callback_query.from_user.id,
+        )
+    except Exception as e:
+        await callback_query.answer(
+            text="Произошла ошибка. Пожалуйста, попробуйте позже."
+        )
+        logger.error(
+            "Error processing command switch_side_start for user %s: %s",
+            callback_query.from_user.id,
+            e,
+        )
+
+
+@router_additional_settings.callback_query(lambda c: c.data == "buy_switch" or c.data == "sell_switch")
+async def switch_side_handler_2(callback_query: CallbackQuery, state: FSMContext) -> None:
+    """
+    Handles callback queries related to switch side selection.
+
+    Updates FSM context with selected switch side and persists the choice in database.
+    Sends an acknowledgement to user and clears FSM state afterward.
+
+    Args:
+        callback_query (CallbackQuery): Incoming callback query indicating selected switch side.
+        state (FSMContext): Finite State Machine context for the current user session.
+
+    Logs:
+        Success or error messages with user identification.
+    """
+    try:
+        if callback_query.data == "sell_switch":
+            side = "Sell"
+            side_rus = "Продажа"
+        else:
+            side = "Buy"
+            side_rus = "Покупка"
+
+        req = await rq.set_side(
+            tg_id=callback_query.from_user.id, side=side
+        )
+
+        if not req:
+            await callback_query.answer(
+                text="Произошла ошибка при смене направления. Пожалуйста, попробуйте позже."
+            )
+            return
+
+        await callback_query.answer(text=f"Выбрано: {side_rus}")
+        logger.debug(
+            "Switch side changed successfully for user: %s", callback_query.from_user.id
+        )
+    except Exception as e:
+        await callback_query.answer(text="Произошла ошибка при смене направления.")
+        logger.error(
+            "Error processing set switch_side for user %s: %s",
+            callback_query.from_user.id,
+            e,
+        )
+    finally:
+        await state.clear()
+
+
 @router_additional_settings.callback_query(F.data == "margin_type")
 async def settings_for_margin_type(
         callback_query: CallbackQuery, state: FSMContext