242 lines
10 KiB
Python
242 lines
10 KiB
Python
import logging
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import re
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from aiogram import Router, F, types, Bot
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from aiogram.fsm.context import FSMContext
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from typing import Optional
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from sqlalchemy.ext.asyncio import AsyncSession
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from aiogram.utils.markdown import hcode
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from config.settings import Settings
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from bot.states.user_states import UserPromoStates
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from bot.services.promo_code_service import PromoCodeService
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from bot.services.subscription_service import SubscriptionService
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from bot.keyboards.inline.user_keyboards import (
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get_back_to_main_menu_markup,
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get_connect_and_main_keyboard,
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)
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from datetime import datetime
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from bot.middlewares.i18n import JsonI18n
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from .start import send_main_menu
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router = Router(name="user_promo_router")
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SUSPICIOUS_SQL_KEYWORDS_REGEX = re.compile(
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r"\b(DROP\s*TABLE|DELETE\s*FROM|ALTER\s*TABLE|TRUNCATE\s*TABLE|UNION\s*SELECT|"
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r";\s*SELECT|;\s*INSERT|;\s*UPDATE|;\s*DELETE|xp_cmdshell|sysdatabases|sysobjects|INFORMATION_SCHEMA)\b",
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re.IGNORECASE)
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SUSPICIOUS_CHARS_REGEX = re.compile(r"(--|#\s|;|\*\/|\/\*)")
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MAX_PROMO_CODE_INPUT_LENGTH = 100
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async def prompt_promo_code_input(callback: types.CallbackQuery,
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state: FSMContext, i18n_data: dict,
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settings: Settings, session: AsyncSession):
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current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
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i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
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if not i18n:
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await callback.answer("Language service error.", show_alert=True)
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return
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_ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)
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if not callback.message:
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logging.error(
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"CallbackQuery has no message in prompt_promo_code_input")
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await callback.answer(_("error_occurred_processing_request"),
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show_alert=True)
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return
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try:
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await callback.message.edit_text(
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text=_(key="promo_code_prompt"),
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reply_markup=get_back_to_main_menu_markup(current_lang, i18n))
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except Exception as e_edit:
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logging.warning(
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f"Failed to edit message for promo prompt: {e_edit}. Sending new one."
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)
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await callback.message.answer(
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text=_(key="promo_code_prompt"),
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reply_markup=get_back_to_main_menu_markup(current_lang, i18n))
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await callback.answer()
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await state.set_state(UserPromoStates.waiting_for_promo_code)
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logging.info(
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f"User {callback.from_user.id} entered state UserPromoStates.waiting_for_promo_code. "
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f"FSM state: {await state.get_state()}")
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@router.message(UserPromoStates.waiting_for_promo_code, F.text)
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async def process_promo_code_input(message: types.Message, state: FSMContext,
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settings: Settings, i18n_data: dict,
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promo_code_service: PromoCodeService,
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subscription_service: SubscriptionService,
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bot: Bot, session: AsyncSession):
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logging.info(
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f"Processing promo code input from user {message.from_user.id} in state {await state.get_state()}: '{message.text}'"
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)
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current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
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i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
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if not i18n or not promo_code_service:
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logging.error(
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"Dependencies (i18n or PromoCodeService) missing in process_promo_code_input"
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)
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await message.reply("Service error. Please try again later.")
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await state.clear()
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return
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_ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)
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code_input = message.text.strip() if message.text else ""
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user = message.from_user
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is_suspicious = False
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if not code_input:
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is_suspicious = True
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logging.warning(f"Empty promo code input by user {user.id}.")
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elif len(
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code_input
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) > MAX_PROMO_CODE_INPUT_LENGTH or SUSPICIOUS_SQL_KEYWORDS_REGEX.search(
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code_input) or SUSPICIOUS_CHARS_REGEX.search(code_input):
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is_suspicious = True
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logging.warning(
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f"Suspicious input for promo code by user {user.id} (len: {len(code_input)}): '{code_input}'"
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)
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response_to_user_text = ""
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if is_suspicious:
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# Send notification through NotificationService if enabled
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if settings.LOG_SUSPICIOUS_ACTIVITY:
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try:
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from bot.services.notification_service import NotificationService
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notification_service = NotificationService(bot, settings, i18n)
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await notification_service.notify_suspicious_promo_attempt(
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user_id=user.id,
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username=user.username,
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first_name=user.first_name,
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suspicious_input=code_input
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)
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except Exception as e:
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logging.error(f"Failed to send suspicious promo notification: {e}")
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response_to_user_text = _("promo_code_not_found",
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code=hcode(code_input.upper()))
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reply_markup = get_back_to_main_menu_markup(current_lang, i18n)
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else:
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# Try as BONUS code first (existing behavior)
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success, result = await promo_code_service.apply_promo_code(
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session, user.id, code_input, current_lang)
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if success:
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# Bonus code success
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await session.commit()
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logging.info(
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f"Bonus promo code '{code_input}' successfully applied for user {user.id}."
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)
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new_end_date = result if isinstance(result, datetime) else None
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active = await subscription_service.get_active_subscription_details(session, user.id)
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config_link_display = active.get("config_link") if active else None
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connect_button_url = active.get("connect_button_url") if active else None
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config_link_text = config_link_display or _("config_link_not_available")
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response_to_user_text = _(
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"promo_code_applied_success_full",
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end_date=(new_end_date.strftime("%d.%m.%Y %H:%M:%S") if new_end_date else "N/A"),
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config_link=config_link_text,
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)
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reply_markup = get_connect_and_main_keyboard(
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current_lang,
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i18n,
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settings,
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config_link_display,
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connect_button_url=connect_button_url,
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)
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else:
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# Bonus code failed, try as DISCOUNT code
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success_discount, result_discount = await promo_code_service.apply_discount_promo_code(
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session, user.id, code_input, current_lang
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)
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if success_discount:
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# Discount code success
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await session.commit()
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logging.info(
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f"Discount promo code '{code_input}' successfully applied for user {user.id}."
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)
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discount_pct = result_discount # Returns percentage
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# Send notification about discount promo activation
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if settings.LOG_PROMO_ACTIVATIONS:
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try:
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from bot.services.notification_service import NotificationService
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notification_service = NotificationService(bot, settings, i18n)
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await notification_service.notify_discount_promo_activation(
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user_id=user.id,
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promo_code=code_input.upper(),
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discount_percentage=discount_pct,
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username=user.username
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)
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except Exception as e:
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logging.error(f"Failed to send discount promo activation notification: {e}")
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response_to_user_text = _(
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"discount_promo_code_applied_success",
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code=hcode(code_input.upper()),
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discount=discount_pct
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)
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reply_markup = get_back_to_main_menu_markup(current_lang, i18n)
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else:
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# Both failed
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await session.rollback()
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logging.info(
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f"Promo code '{code_input}' application failed for user {user.id}. Reason: {result}"
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)
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response_to_user_text = result # Original error message from bonus code attempt
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reply_markup = get_back_to_main_menu_markup(
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current_lang, i18n
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)
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await message.answer(
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response_to_user_text,
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reply_markup=reply_markup,
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parse_mode="HTML",
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)
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await state.clear()
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logging.info(
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f"Promo code input '{code_input}' processing finished for user {message.from_user.id}. State cleared."
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)
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@router.callback_query(F.data == "main_action:back_to_main",
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UserPromoStates.waiting_for_promo_code)
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async def cancel_promo_input_via_button(
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callback: types.CallbackQuery, state: FSMContext, settings: Settings,
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i18n_data: dict, subscription_service: SubscriptionService,
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session: AsyncSession):
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current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
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i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
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if not i18n:
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logging.error("i18n missing in cancel_promo_input_via_button")
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await callback.answer("Language error", show_alert=True)
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return
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logging.info(
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f"User {callback.from_user.id} cancelled promo code input via button from state {await state.get_state()}. Clearing state."
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)
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await state.clear()
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if callback.message:
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await send_main_menu(callback,
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settings,
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i18n_data,
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subscription_service,
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session,
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is_edit=True)
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else:
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_ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)
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await callback.answer(_("promo_input_cancelled_short"),
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show_alert=False)
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