feat: handle unsubscribe
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@@ -17,20 +17,12 @@ async def handle_subscription(
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first_name: str | None = None,
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last_name: str | None = None,
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) -> None:
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"""
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Обрабатывает подписку пользователя в целевой канал.
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Находит закуп по invite_link и создаёт запись о подписке,
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инкрементируя счётчик подписок у закупа.
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"""
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async with self.database.transaction():
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# Находим закуп по пригласительной ссылке
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placement = await self.database.get_placement_by_invite_link(invite_link)
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if not placement:
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log.warning('Placement not found for invite_link: %s', invite_link)
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return
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# Создаём или обновляем подписчика
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subscriber = domain.Subscriber(
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telegram_id=user_telegram_id,
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username=username,
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@@ -39,27 +31,53 @@ async def handle_subscription(
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)
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subscriber = await self.database.upsert_subscriber(subscriber)
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# Проверяем, не создана ли уже подписка для этого пользователя
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existing_subscription = await self.database.get_subscription_by_subscriber_and_placement(
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subscriber.id, placement.id
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active_subscription = await self.database.get_active_subscription_by_subscriber_and_channel(
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subscriber.id, placement.target_channel.telegram_id
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)
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if existing_subscription:
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log.info(
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'Subscription already exists for subscriber %s and placement %s',
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if active_subscription:
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# Пользователь уже подписан на канал через другой placement
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# Это не должно случиться (Telegram не даст подписаться дважды),
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# но если случилось - логируем и игнорируем
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log.warning(
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'User %s (telegram_id: %s) already has active subscription to channel %s via placement %s, '
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'ignoring new subscription attempt via placement %s',
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subscriber.id,
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user_telegram_id,
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placement.target_channel_id,
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active_subscription.placement_id,
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placement.id,
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)
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return
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# Проверяем, была ли раньше подписка через ЭТОТ placement (для реактивации)
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existing_sub = await self.database.get_subscription_by_subscriber_and_placement(subscriber.id, placement.id)
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if existing_sub and existing_sub.status == domain.SubscriptionStatus.UNSUBSCRIBED:
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# Реактивируем старую подписку через тот же placement
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existing_sub.status = domain.SubscriptionStatus.ACTIVE
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existing_sub.unsubscribed_at = None
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await self.database.update_subscription(existing_sub)
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placement.subscriptions_count += 1
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await self.database.update_placement(placement)
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log.info(
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'Subscription reactivated: subscriber %s (telegram_id: %s) resubscribed via same placement %s',
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subscriber.id,
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user_telegram_id,
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placement.id,
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)
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return
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# Создаём запись о подписке
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subscription = domain.Subscription(
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placement_id=placement.id,
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subscriber_id=subscriber.id,
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target_channel_id=placement.target_channel_id,
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invite_link=invite_link,
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)
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await self.database.create_subscription(subscription)
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# Увеличиваем счётчик подписок у закупа
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placement.subscriptions_count += 1
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await self.database.update_placement(placement)
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49
src/usecase/subscription/handle_unsubscription.py
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49
src/usecase/subscription/handle_unsubscription.py
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@@ -0,0 +1,49 @@
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import datetime
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import logging
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from typing import TYPE_CHECKING
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from src import domain
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if TYPE_CHECKING:
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from .. import Usecase
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log = logging.getLogger(__name__)
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async def handle_unsubscription(self: 'Usecase', user_telegram_id: int, channel_telegram_id: int) -> None:
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async with self.database.transaction():
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subscriber = await self.database.get_subscriber(user_telegram_id)
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if not subscriber:
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log.warning('Subscriber not found for telegram_id: %s', user_telegram_id)
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return
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subscriptions = await self.database.get_active_subscriptions_by_subscriber_and_channel(
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subscriber.id, channel_telegram_id
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)
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if not subscriptions:
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log.info(
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'No active subscriptions found for subscriber %s (telegram_id: %s) in channel %s',
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subscriber.id,
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user_telegram_id,
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channel_telegram_id,
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)
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return
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for subscription in subscriptions:
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subscription.status = domain.SubscriptionStatus.UNSUBSCRIBED
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subscription.unsubscribed_at = datetime.datetime.now(datetime.UTC)
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await self.database.update_subscription(subscription)
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# Декрементируем счётчик подписок у закупа
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placement = subscription.placement
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if placement.subscriptions_count > 0:
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placement.subscriptions_count -= 1
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await self.database.update_placement(placement)
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log.info(
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'Subscription marked as unsubscribed: subscriber %s (telegram_id: %s) unsubscribed from placement %s',
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subscriber.id,
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user_telegram_id,
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placement.id,
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)
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