mirror of
https://github.com/BEDOLAGA-DEV/remnawave-bedolaga-telegram-bot.git
synced 2026-02-22 12:21:26 +00:00
280 lines
9.3 KiB
Python
280 lines
9.3 KiB
Python
from __future__ import annotations
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import asyncio
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import logging
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from dataclasses import dataclass
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from datetime import datetime
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from typing import Optional
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from aiogram import Bot
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from aiogram.types import InlineKeyboardMarkup
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from app.database.database import AsyncSessionLocal
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from app.database.models import BroadcastHistory
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from app.handlers.admin.messages import (
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create_broadcast_keyboard,
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get_custom_users,
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get_target_users,
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)
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logger = logging.getLogger(__name__)
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VALID_MEDIA_TYPES = {"photo", "video", "document"}
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@dataclass(slots=True)
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class BroadcastMediaConfig:
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type: str
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file_id: str
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caption: Optional[str] = None
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@dataclass(slots=True)
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class BroadcastConfig:
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target: str
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message_text: str
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selected_buttons: list[str]
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media: Optional[BroadcastMediaConfig] = None
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initiator_name: Optional[str] = None
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@dataclass(slots=True)
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class _BroadcastTask:
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task: asyncio.Task
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cancel_event: asyncio.Event
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class BroadcastService:
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"""Handles broadcast execution triggered from the admin web API."""
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def __init__(self) -> None:
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self._bot: Optional[Bot] = None
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self._tasks: dict[int, _BroadcastTask] = {}
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self._lock = asyncio.Lock()
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def set_bot(self, bot: Bot) -> None:
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self._bot = bot
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def is_running(self, broadcast_id: int) -> bool:
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task_entry = self._tasks.get(broadcast_id)
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return bool(task_entry and not task_entry.task.done())
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async def start_broadcast(self, broadcast_id: int, config: BroadcastConfig) -> None:
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if self._bot is None:
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logger.error("Невозможно запустить рассылку %s: бот не инициализирован", broadcast_id)
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await self._mark_failed(broadcast_id)
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return
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cancel_event = asyncio.Event()
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async with self._lock:
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if broadcast_id in self._tasks and not self._tasks[broadcast_id].task.done():
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logger.warning("Рассылка %s уже запущена", broadcast_id)
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return
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task = asyncio.create_task(
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self._run_broadcast(broadcast_id, config, cancel_event),
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name=f"broadcast-{broadcast_id}",
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)
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self._tasks[broadcast_id] = _BroadcastTask(task=task, cancel_event=cancel_event)
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task.add_done_callback(lambda _: self._tasks.pop(broadcast_id, None))
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async def request_stop(self, broadcast_id: int) -> bool:
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async with self._lock:
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task_entry = self._tasks.get(broadcast_id)
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if not task_entry:
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return False
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task_entry.cancel_event.set()
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return True
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async def _run_broadcast(
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self,
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broadcast_id: int,
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config: BroadcastConfig,
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cancel_event: asyncio.Event,
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) -> None:
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sent_count = 0
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failed_count = 0
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try:
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if cancel_event.is_set():
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await self._mark_cancelled(broadcast_id, sent_count, failed_count)
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return
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async with AsyncSessionLocal() as session:
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broadcast = await session.get(BroadcastHistory, broadcast_id)
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if not broadcast:
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logger.error("Запись рассылки %s не найдена в БД", broadcast_id)
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return
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broadcast.status = "in_progress"
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broadcast.sent_count = 0
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broadcast.failed_count = 0
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await session.commit()
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recipients = await self._fetch_recipients(config.target)
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async with AsyncSessionLocal() as session:
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broadcast = await session.get(BroadcastHistory, broadcast_id)
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if not broadcast:
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logger.error("Запись рассылки %s удалена до запуска", broadcast_id)
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return
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broadcast.total_count = len(recipients)
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await session.commit()
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if cancel_event.is_set():
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await self._mark_cancelled(broadcast_id, sent_count, failed_count)
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return
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if not recipients:
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logger.info("Рассылка %s: получатели не найдены", broadcast_id)
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await self._mark_finished(broadcast_id, sent_count, failed_count, cancelled=False)
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return
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keyboard = self._build_keyboard(config.selected_buttons)
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for index, user in enumerate(recipients, start=1):
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if cancel_event.is_set():
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await self._mark_cancelled(broadcast_id, sent_count, failed_count)
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return
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telegram_id = getattr(user, "telegram_id", None)
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if telegram_id is None:
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failed_count += 1
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continue
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try:
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await self._deliver_message(telegram_id, config, keyboard)
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sent_count += 1
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except Exception as exc: # noqa: BLE001
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failed_count += 1
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logger.error(
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"Ошибка отправки рассылки %s пользователю %s: %s",
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broadcast_id,
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telegram_id,
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exc,
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)
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if index % 20 == 0:
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await asyncio.sleep(1)
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await self._mark_finished(broadcast_id, sent_count, failed_count, cancelled=False)
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except asyncio.CancelledError:
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await self._mark_cancelled(broadcast_id, sent_count, failed_count)
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raise
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except Exception as exc: # noqa: BLE001
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logger.exception("Критическая ошибка при выполнении рассылки %s: %s", broadcast_id, exc)
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await self._mark_failed(broadcast_id, sent_count, failed_count)
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async def _fetch_recipients(self, target: str):
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async with AsyncSessionLocal() as session:
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if target.startswith("custom_"):
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criteria = target[len("custom_"):]
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return await get_custom_users(session, criteria)
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return await get_target_users(session, target)
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def _build_keyboard(self, selected_buttons: Optional[list[str]]) -> Optional[InlineKeyboardMarkup]:
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if selected_buttons is None:
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selected_buttons = []
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return create_broadcast_keyboard(selected_buttons)
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async def _deliver_message(
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self,
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telegram_id: int,
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config: BroadcastConfig,
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keyboard: Optional[InlineKeyboardMarkup],
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) -> None:
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if not self._bot:
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raise RuntimeError("Телеграм-бот не инициализирован")
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if config.media and config.media.type in VALID_MEDIA_TYPES:
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caption = config.media.caption or config.message_text
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if config.media.type == "photo":
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await self._bot.send_photo(
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chat_id=telegram_id,
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photo=config.media.file_id,
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caption=caption,
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reply_markup=keyboard,
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)
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elif config.media.type == "video":
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await self._bot.send_video(
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chat_id=telegram_id,
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video=config.media.file_id,
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caption=caption,
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reply_markup=keyboard,
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)
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elif config.media.type == "document":
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await self._bot.send_document(
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chat_id=telegram_id,
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document=config.media.file_id,
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caption=caption,
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reply_markup=keyboard,
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)
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return
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await self._bot.send_message(
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chat_id=telegram_id,
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text=config.message_text,
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reply_markup=keyboard,
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)
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async def _mark_finished(
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self,
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broadcast_id: int,
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sent_count: int,
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failed_count: int,
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*,
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cancelled: bool,
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) -> None:
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async with AsyncSessionLocal() as session:
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broadcast = await session.get(BroadcastHistory, broadcast_id)
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if not broadcast:
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return
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broadcast.sent_count = sent_count
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broadcast.failed_count = failed_count
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broadcast.status = "cancelled" if cancelled else (
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"completed" if failed_count == 0 else "partial"
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)
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broadcast.completed_at = datetime.utcnow()
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await session.commit()
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async def _mark_cancelled(
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self,
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broadcast_id: int,
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sent_count: int,
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failed_count: int,
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) -> None:
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await self._mark_finished(
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broadcast_id,
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sent_count,
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failed_count,
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cancelled=True,
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)
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async def _mark_failed(
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self,
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broadcast_id: int,
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sent_count: int = 0,
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failed_count: int = 0,
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) -> None:
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async with AsyncSessionLocal() as session:
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broadcast = await session.get(BroadcastHistory, broadcast_id)
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if not broadcast:
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return
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broadcast.sent_count = sent_count
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broadcast.failed_count = failed_count or broadcast.failed_count
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broadcast.status = "failed"
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broadcast.completed_at = datetime.utcnow()
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await session.commit()
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broadcast_service = BroadcastService()
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