Добавление всех наработок за период практики.

apps/bot/middleware.py

@@ -0,0 +1,34 @@
+from collections.abc import Awaitable, Callable
+from typing import Any
+
+from aiogram import BaseMiddleware
+from aiogram.types import CallbackQuery, Message, TelegramObject
+
+from .binding import BindingService
+
+
+class BindingRequiredMiddleware(BaseMiddleware):
+    """Не пропускает CRM-команды до привязки аккаунта."""
+
+    def __init__(self, bindings: BindingService) -> None:
+        self.bindings = bindings
+
+    async def __call__(
+            self,
+            handler: Callable[[TelegramObject, dict[str, Any]], Awaitable[Any]],
+            event: TelegramObject,
+            data: dict[str, Any]
+    ) -> Any:
+        user = data.get("event_from_user")
+        if user:
+            binding = await self.bindings.find(user.id)
+            if binding:
+                data["binding"] = binding
+                return await handler(event, data)
+
+        text = "Сначала привяжи Telegram через приложение в Bitrix24."
+        if isinstance(event, CallbackQuery):
+            await event.answer(text, show_alert=True)
+        elif isinstance(event, Message):
+            await event.answer(text)
+        return None