feat: add /auth/me route

src/usecase/__init__.py

@@ -10,6 +10,7 @@ from .creative.delete_creative import delete_creative
 from .creative.get_creative import get_creative
 from .creative.get_creatives import get_creatives
 from .creative.update_creative import update_creative
+from .get_me import get_me
 from .external_channel.create_external_channel import create_external_channel
 from .external_channel.delete_external_channel import delete_external_channel
 from .external_channel.get_external_channels import get_external_channels
@@ -171,6 +172,7 @@ class Usecase:
 
     validate_login_token = validate_login_token
     telegram_login = telegram_login
+    get_me = get_me
     connect_target_chan = connect_target_chan
     get_user_target_chans = get_user_target_chans
     disconnect_target_chan = disconnect_target_chan

src/usecase/get_me.py

@@ -0,0 +1,22 @@
+import typing
+import uuid
+
+from src import domain, dto
+
+if typing.TYPE_CHECKING:
+    from . import Usecase
+
+
+async def get_me(self: 'Usecase', user_id: uuid.UUID) -> dto.UserOutput:
+    async with self.database.transaction():
+        user = await self.database.get_user(user_id=user_id)
+
+        if not user:
+            raise domain.UserNotFound(user_id)
+
+        return dto.UserOutput(
+            id=user.id,
+            telegram_id=user.telegram_id,
+            username=user.username,
+        )
+