feat: initialize aivideo project

backend/app/modules/users/repository.py

@@ -0,0 +1,16 @@
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.models.entities import User
+
+
+class UsersRepository:
+    def __init__(self, db: Session) -> None:
+        self.db = db
+
+    def get_by_id(self, user_id: int) -> User | None:
+        return self.db.scalar(select(User).where(User.id == user_id))
+
+    def get_by_username(self, username: str) -> User | None:
+        return self.db.scalar(select(User).where(User.username == username))
+