chatgpt_bot/bot/handlers/user/user_handlers.py

from aiogram import Router, types
from aiogram.filters import CommandStart, Command
from aiogram.types import LabeledPrice, PreCheckoutQuery

from bot.handlers.user.model_processing import PayCallBack
from bot.handlers.user.page_processing import get_page_content
from bot.kbs.inline import PageCallBack
from config import shop_api_token

user = Router()

@user.message(CommandStart())
async def start(message: types.Message):
    text, reply_markup = await get_page_content(page=0,name="main")

    await message.answer(text, reply_markup=reply_markup)


@user.callback_query(PageCallBack.filter())
async def user_pages(callback: types.CallbackQuery, callback_data: PageCallBack):

    text, reply_markup = await get_page_content(
        page=callback_data.page,
        name=callback_data.page_name,
    )

    await callback.message.edit_text(text, reply_markup=reply_markup)
    await callback.answer()

@user.callback_query(PayCallBack.filter())
async def buy(callback: types.CallbackQuery, callback_data: PayCallBack):

    await callback.message.bot.send_invoice(
        chat_id=callback.from_user.id,
        description=f'{callback_data.tokens} токенов за {callback_data.amount} RUB для модели {callback_data.name}',
        title=f'{callback_data.option_of_model} подписка на {callback_data.name}',
        payload=f'sub_{callback_data.name}',
        provider_token=shop_api_token,
        start_parameter='test',
        currency="RUB",
        prices=[LabeledPrice(
            label=f'Оплата токенов для {callback_data.option_of_model}',
            amount=int(callback_data.amount)*100,
        )],
    )

@user.pre_checkout_query()
async def procces_pre_checkout_query(pre_checkout_query: PreCheckoutQuery):
    await pre_checkout_query.answer(ok=True)