Add controller.py

u232ping/controller.py

@@ -0,0 +1,27 @@
+from u232ping.abc.db import DataBase
+from u232ping.types import Group 
+from aiogram.types import Message
+
+class Controller(object):
+   
+    db: DataBase
+
+    def __init__(self, db_implementation: DataBase) -> None:
+        self.db = db_implementation
+
+    async def _ping(self, msg: Message, group: int | None = None) -> None:
+        gtp: Group
+        if group is None:
+            gtp = await self.db.get_all()
+        else:
+            gtp = await self.db.get_group(group)
+        msg.answer(str(gtp))
+
+    async def all(self, msg: Message) -> None:
+        await self._ping(msg)
+
+    async def first(self, msg: Message) -> None:
+        await self._ping(msg, 1)
+
+    async def second(self, msg: Message) -> None:
+        await self._ping(msg, 2)