ORM update and lots of improvements

database/bans.py

@@ -0,0 +1,14 @@
+from sqlalchemy.dialects.postgresql import insert
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from database.models import BlockedUser
+
+
+async def create_blocked_user(session: AsyncSession, tg_id: int):
+    stmt = (
+        insert(BlockedUser)
+        .values(tg_id=tg_id)
+        .on_conflict_do_nothing(index_elements=[BlockedUser.tg_id])
+    )
+    await session.execute(stmt)
+    await session.commit()