mirror of
https://github.com/Redume/Shirino.git
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173 lines
4 KiB
Python
173 lines
4 KiB
Python
import json
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import hashlib
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import logging
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from typing import Any, Dict, List, Optional
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import requests
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from pydantic import BaseSettings
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from aiogram import Bot
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from aiogram.dispatcher import Dispatcher
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from aiogram.utils import executor
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from aiogram.types import InlineQuery
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from aiogram.types import InlineQueryResultArticle
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from aiogram.types import InputTextMessageContent
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# Constants
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DDG_URL = 'https://duckduckgo.com/js/spice/currency'
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COINAPI_URL = 'https://rest.coinapi.io/v1/exchangerate'
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# ---
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# Config from .env
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class Settings(BaseSettings):
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debug: bool
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coinapi_key: str
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telegram_token: str
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class Config:
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env_file = '.env'
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env_file_encoding = 'utf-8'
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settings = Settings()
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# ---
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# Logging
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log = logging.getLogger('shirino')
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handler = logging.StreamHandler()
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fmt = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
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handler.setFormatter(fmt)
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log.addHandler(handler)
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if settings.debug:
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handler.setLevel(logging.DEBUG)
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log.setLevel(logging.DEBUG)
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# ---
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bot = Bot(token=settings.telegram_token)
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dp = Dispatcher(bot)
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class CurrencyConverter:
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def __init__(self) -> None:
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self.amount = 1.0
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self.conv_amount = 0.0
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self.from_currency = ''
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self.conv_currency = ''
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def convert(self) -> None:
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"""Currency conversion"""
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if not self.ddgapi():
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self.coinapi()
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def ddgapi(self) -> bool:
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"""Get data from DuckDuckGo's currency API
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Returns:
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`False` if the currency does not exist,
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`True` on successful conversion
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"""
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# API request
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resp = requests.get(
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f'{DDG_URL}/{self.amount}/{self.from_currency}'
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f'/{self.conv_currency}'
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)
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log.debug(resp.text)
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# Parsing JSON data
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data: Dict[str, Any] = json.loads(
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resp.text \
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.replace('ddg_spice_currency(', '') \
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.replace(');', '')
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)
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log.debug(data)
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# If the currency does not exist
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descr = data.get('headers', {}).get('description', '')
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if descr.find('ERROR') != -1:
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return False
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# Otherwise
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conv: Dict[str, str] = data.get('conversion', {})
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self.conv_amount = float(conv.get('converted-amount', 0))
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log.debug(conv)
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return True
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def coinapi(self) -> None:
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"""Get data from CoinAPI (for cryptocurrencies)"""
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resp = requests.get(
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(
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f'{COINAPI_URL}/{self.from_currency}'
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f'/{self.conv_currency}'
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),
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headers={
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'X-CoinAPI-Key': settings.coinapi_key,
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},
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)
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data: Dict[str, Any] = resp.json()
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self.conv_amount = float(data.get('rate', 0))
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@dp.inline_handler()
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async def currency(inline_query: InlineQuery) -> None:
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query = inline_query.query
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article: List[Optional[InlineQueryResultArticle]] = [None]
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text = query.split()
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len_ = len(text)
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result_id = hashlib.md5(query.encode()).hexdigest()
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conv = CurrencyConverter()
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try:
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if len_ == 3:
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conv.amount = float(text[0])
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conv.from_currency = text[1].upper()
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conv.conv_currency = text[2].upper()
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conv.convert()
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elif len_ == 2:
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conv.from_currency = text[0].upper()
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conv.conv_currency = text[1].upper()
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conv.convert()
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else:
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raise ValueError('Надо 2 или 3 аргумента')
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result = (
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f'{conv.amount} {conv.from_currency} = '
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f'{conv.conv_amount} {conv.conv_currency}'
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)
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except Exception as ex:
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result = f'{type(ex)}: {ex}'
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article[0] = InlineQueryResultArticle(
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id=result_id,
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title=result,
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input_message_content=InputTextMessageContent(
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message_text=result,
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),
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)
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await inline_query.answer(
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article,
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cache_time=1,
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is_personal=True,
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)
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executor.start_polling(dp, skip_updates=True)
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