v1 milestone

venv/lib/python3.12/site-packages/aiogram/fsm/strategy.py

@@ -0,0 +1,28 @@
+from enum import Enum, auto
+from typing import Optional, Tuple
+
+
+class FSMStrategy(Enum):
+    USER_IN_CHAT = auto()
+    CHAT = auto()
+    GLOBAL_USER = auto()
+    USER_IN_TOPIC = auto()
+    CHAT_TOPIC = auto()
+
+
+def apply_strategy(
+    strategy: FSMStrategy,
+    chat_id: int,
+    user_id: int,
+    thread_id: Optional[int] = None,
+) -> Tuple[int, int, Optional[int]]:
+    if strategy == FSMStrategy.CHAT:
+        return chat_id, chat_id, None
+    if strategy == FSMStrategy.GLOBAL_USER:
+        return user_id, user_id, None
+    if strategy == FSMStrategy.USER_IN_TOPIC:
+        return chat_id, user_id, thread_id
+    if strategy == FSMStrategy.CHAT_TOPIC:
+        return chat_id, chat_id, thread_id
+
+    return chat_id, user_id, None