Add DatabaseMiddleware

mybot/database/__init__.py

@@ -2,6 +2,7 @@ from sqlalchemy import create_engine
 from sqlalchemy.orm import DeclarativeBase
 
 from ..config import DatabaseConfig
+from .models import User
 
 
 def get_engine(config: DatabaseConfig):

mybot/database/models.py

@@ -8,5 +8,8 @@ class User (Base):
     __tablename__ = "user"
 
     id: Mapped[int] = mapped_column(BIGINT, primary_key=True, unique=True, autoincrement=False)
-    username: Mapped[int] = mapped_column(String(32), unique=True, nullable=True)
+    username: Mapped[str] = mapped_column(String(32), unique=True, nullable=True)
     # additional fields go here
+
+    def __init__(self, id: int, username: str):
+        super().__init__(id=id, username=username)