feat: явно указаны зависимости к Protocol для перехода к имплементации

src/adapter/jwt.py

@@ -4,11 +4,8 @@ import uuid
 import jwt
 import pydantic
 
-
-class JWTConfig(pydantic.BaseModel):
-    SECRET_KEY: str
-    ALGORITHM: str = 'HS256'
-    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 7  # 7 days
+from shared.jwt_base import JWTBase
+from src.usecase import JWTEncoder
 
 
 class JWTPayload(pydantic.BaseModel):
@@ -17,10 +14,7 @@ class JWTPayload(pydantic.BaseModel):
     username: str | None
 
 
-class JWT:
-    def __init__(self, config: JWTConfig) -> None:
-        self.config = config
-
+class JWT(JWTBase, JWTEncoder):
     def encode_access_token(
         self,
         user_id: uuid.UUID,

src/adapter/parser.py

@@ -4,6 +4,8 @@ from typing import Any
 import httpx
 from pydantic import BaseModel
 
+from src.usecase import Parser
+
 log = logging.getLogger(__name__)
 
 
@@ -16,23 +18,12 @@ class FetchChannelResponse(BaseModel):
     pts: int
 
 
-class ParserClient:
+class ParserClient(Parser):
     def __init__(self, base_url: str, timeout: float = 5.0):
         self.base_url = base_url.rstrip('/')
         self.timeout = timeout
 
     async def fetch_telegram_channel(self, username: str) -> FetchChannelResponse | None:
-        """
-        Проверяет существование канала в Telegram и получает его метаданные.
-
-        Returns:
-            FetchChannelResponse если канал найден
-            None если канал не найден (404)
-
-        Raises:
-            httpx.HTTPError для других ошибок (таймаут, network error, 5xx)
-        """
-        # Убираем @ если пользователь его указал
         username = username.lstrip('@')
 
         url = f'{self.base_url}/fetch-telegram-channel'

src/adapter/postgres.py

@@ -8,11 +8,12 @@ from tortoise.transactions import in_transaction
 
 from shared.datebase_base import DatabaseBase
 from src import domain
+from usecase import Database
 
 log = logging.getLogger(__name__)
 
 
-class Postgres(DatabaseBase):
+class Postgres(DatabaseBase, Database):
     def transaction(self) -> typing.AsyncContextManager[None]:
         return in_transaction()
 

src/adapter/telegram_bot.py

@@ -3,11 +3,12 @@ import logging
 from aiogram.types import BotCommand, InlineKeyboardButton, InlineKeyboardMarkup
 
 from shared.telegram_base import TelegramBase
+from usecase import TelegramBotWriter
 
 log = logging.getLogger(__name__)
 
 
-class TelegramBot(TelegramBase):
+class TelegramBot(TelegramBase, TelegramBotWriter):
     async def send_message(self, text: str, chat_id: int) -> None:
         await self.bot.send_message(chat_id=chat_id, text=text)
 

src/config.py

@@ -3,9 +3,9 @@ from pydantic_settings import BaseSettings, SettingsConfigDict
 
 from shared.config_helper import load_settings
 from shared.datebase_base import DatabaseConfig
+from shared.jwt_base import JWTConfig
 from shared.logger import LoggerConfig
 from shared.telegram_base import TelegramConfig
-from src.adapter.jwt import JWTConfig
 
 
 class AppConfig(BaseModel):

src/controller/telegram_callback/chat_join_request.py

@@ -17,15 +17,12 @@ async def on_chat_join_request(event: ChatJoinRequest) -> None:
         log.error('Failed to get user data from chat join request')
         return
 
-    # Получаем invite_link, по которой пользователь отправил запрос
     invite_link = event.invite_link
     if not invite_link or not invite_link.invite_link:
         log.debug('No invite_link in chat join request event')
         return
 
-    usecase = deps.get_usecase()
-
-    await usecase.handle_subscription(
+    await deps.get_usecase().handle_subscription(
         user_telegram_id=event.from_user.id,
         username=event.from_user.username,
         invite_link=invite_link.invite_link,

src/controller/telegram_callback/chat_member_updated.py

@@ -30,17 +30,17 @@ async def on_chat_member_updated(event: ChatMemberUpdated) -> None:
     is_now_not_member = new_status in ('left', 'kicked')
     user_left = was_member and is_now_not_member
 
-    usecase = deps.get_usecase()
-
     if user_joined:
         invite_link = event.invite_link.invite_link if event.invite_link else None
         if not invite_link:
             log.debug('No invite_link in chat member update event')
             return
 
-        await usecase.handle_subscription(
+        await deps.get_usecase().handle_subscription(
             user_telegram_id=event.from_user.id, username=event.from_user.username, invite_link=invite_link
         )
 
     elif user_left:
-        await usecase.handle_unsubscription(user_telegram_id=event.from_user.id, channel_telegram_id=event.chat.id)
+        await deps.get_usecase().handle_unsubscription(
+            user_telegram_id=event.from_user.id, channel_telegram_id=event.chat.id
+        )

src/main.py

@@ -44,7 +44,7 @@ usecase = Usecase(
     database=postgres,
     telegram_bot=telegram,
     jwt_encoder=jwt_encoder,
-    parser_client=parser_client,
+    parser=parser_client,
 )
 deps.set_usecase(usecase)
 

src/usecase/__init__.py

@@ -296,7 +296,7 @@ class FetchChannelResponse(typing.Protocol):
     title: str
 
 
-class ParserClient(typing.Protocol):
+class Parser(typing.Protocol):
     async def fetch_telegram_channel(self, username: str) -> FetchChannelResponse | None: ...
 
 
@@ -305,7 +305,7 @@ class Usecase:
     database: Database
     telegram_bot: TelegramBotWriter
     jwt_encoder: JWTEncoder
-    parser_client: ParserClient
+    parser: Parser
 
     async def ensure_workspace_access(self, workspace_id: UUID, user_id: UUID) -> domain.Workspace:
         workspace = await self.database.get_workspace_for_user(workspace_id, user_id)

src/usecase/purchase_plan/attach_channel_to_purchase_plan.py

@@ -30,7 +30,7 @@ async def attach_channel_to_purchase_plan(
     channel = await self.database.get_channel(username=input.username)
 
     if not channel:
-        parser_response = await self.parser_client.fetch_telegram_channel(input.username)
+        parser_response = await self.parser.fetch_telegram_channel(input.username)
         if not parser_response:
             raise domain.TelegramChannelNotFound(input.username)