mirror of
https://github.com/BEDOLAGA-DEV/remnawave-bedolaga-telegram-bot.git
synced 2026-02-27 23:00:53 +00:00
9a2aea038a
- Add pyproject.toml with uv and ruff configuration - Pin Python version to 3.13 via .python-version - Add Makefile commands: lint, format, fix - Apply ruff formatting to entire codebase - Remove unused imports (base64 in yookassa/simple_subscription) - Update .gitignore for new config files
123 lines
4.9 KiB
Python
123 lines
4.9 KiB
Python
import logging
|
||
from datetime import datetime
|
||
|
||
import aiohttp
|
||
|
||
|
||
logger = logging.getLogger(__name__)
|
||
|
||
|
||
class CurrencyConverter:
|
||
def __init__(self):
|
||
self._cache = {}
|
||
self._cache_ttl = 3600 # 1 час
|
||
self._last_update = {}
|
||
|
||
async def get_usd_to_rub_rate(self) -> float:
|
||
"""Получает курс USD/RUB с кешированием"""
|
||
|
||
cache_key = 'USD_RUB'
|
||
now = datetime.utcnow()
|
||
|
||
# Проверяем кеш
|
||
if (
|
||
cache_key in self._cache
|
||
and cache_key in self._last_update
|
||
and (now - self._last_update[cache_key]).seconds < self._cache_ttl
|
||
):
|
||
return self._cache[cache_key]
|
||
|
||
# Получаем новый курс
|
||
rate = await self._fetch_exchange_rate()
|
||
|
||
if rate:
|
||
self._cache[cache_key] = rate
|
||
self._last_update[cache_key] = now
|
||
logger.info(f'Обновлен курс USD/RUB: {rate}')
|
||
return rate
|
||
|
||
# Возвращаем из кеша если API недоступен
|
||
if cache_key in self._cache:
|
||
logger.warning('API курсов недоступен, используем кешированный курс')
|
||
return self._cache[cache_key]
|
||
|
||
# Fallback курс
|
||
logger.warning('Используем fallback курс USD/RUB: 95')
|
||
return 95.0
|
||
|
||
async def _fetch_exchange_rate(self) -> float | None:
|
||
"""Получает курс с нескольких источников"""
|
||
|
||
sources = [self._fetch_from_cbr, self._fetch_from_exchangerate_api, self._fetch_from_fixer]
|
||
|
||
for source in sources:
|
||
try:
|
||
rate = await source()
|
||
if rate and 50 < rate < 200: # Разумные границы курса
|
||
return rate
|
||
except Exception as e:
|
||
logger.debug(f'Ошибка получения курса из {source.__name__}: {e}')
|
||
continue
|
||
|
||
return None
|
||
|
||
async def _fetch_from_cbr(self) -> float | None:
|
||
"""Получает курс с сайта ЦБ РФ"""
|
||
try:
|
||
async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=10)) as session:
|
||
async with session.get('https://www.cbr-xml-daily.ru/daily_json.js') as response:
|
||
if response.status == 200:
|
||
data = await response.json()
|
||
usd_rate = data['Valute']['USD']['Value']
|
||
return float(usd_rate)
|
||
except Exception as e:
|
||
logger.debug(f'Ошибка получения курса ЦБ: {e}')
|
||
return None
|
||
|
||
async def _fetch_from_exchangerate_api(self) -> float | None:
|
||
"""Получает курс с exchangerate-api.com"""
|
||
try:
|
||
async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=10)) as session:
|
||
async with session.get('https://api.exchangerate-api.com/v4/latest/USD') as response:
|
||
if response.status == 200:
|
||
data = await response.json()
|
||
rub_rate = data['rates']['RUB']
|
||
return float(rub_rate)
|
||
except Exception as e:
|
||
logger.debug(f'Ошибка получения курса exchangerate-api: {e}')
|
||
return None
|
||
|
||
async def _fetch_from_fixer(self) -> float | None:
|
||
"""Получает курс с fixer.io (бесплатный план)"""
|
||
try:
|
||
async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=10)) as session:
|
||
# Используем бесплатный endpoint (EUR base)
|
||
async with session.get(
|
||
'https://api.fixer.io/latest?access_key=YOUR_API_KEY&symbols=USD,RUB'
|
||
) as response:
|
||
if response.status == 200:
|
||
data = await response.json()
|
||
if data.get('success'):
|
||
# Конвертируем EUR -> USD -> RUB
|
||
usd_eur = data['rates']['USD']
|
||
rub_eur = data['rates']['RUB']
|
||
usd_rub = rub_eur / usd_eur
|
||
return float(usd_rub)
|
||
except Exception as e:
|
||
logger.debug(f'Ошибка получения курса fixer: {e}')
|
||
return None
|
||
|
||
async def usd_to_rub(self, usd_amount: float) -> float:
|
||
"""Конвертирует USD в RUB"""
|
||
rate = await self.get_usd_to_rub_rate()
|
||
return usd_amount * rate
|
||
|
||
async def rub_to_usd(self, rub_amount: float) -> float:
|
||
"""Конвертирует RUB в USD"""
|
||
rate = await self.get_usd_to_rub_rate()
|
||
return rub_amount / rate
|
||
|
||
|
||
# Глобальный экземпляр
|
||
currency_converter = CurrencyConverter()
|