refactor: rebuild backend around role-site authorization model

backend/app/repositories/users_repo.py

@@ -9,15 +9,14 @@ class UsersRepository:
         self.db = db
 
     def get_by_sub(self, user_sub: str) -> User | None:
-        stmt = select(User).where(User.user_sub == user_sub)
-        return self.db.scalar(stmt)
+        return self.db.scalar(select(User).where(User.user_sub == user_sub))
 
     def get_by_id(self, user_id: str) -> User | None:
-        stmt = select(User).where(User.id == user_id)
-        return self.db.scalar(stmt)
+        return self.db.scalar(select(User).where(User.id == user_id))
 
     def list(
         self,
+        *,
         keyword: str | None = None,
         is_active: bool | None = None,
         limit: int = 50,
@@ -48,11 +47,13 @@ class UsersRepository:
 
     def upsert_by_sub(
         self,
+        *,
         user_sub: str,
         username: str | None,
         email: str | None,
         display_name: str | None,
         is_active: bool,
+        status: str = "active",
         idp_user_id: str | None = None,
     ) -> User:
         user = self.get_by_sub(user_sub)
@@ -64,6 +65,7 @@ class UsersRepository:
                 email=email,
                 display_name=display_name,
                 is_active=is_active,
+                status=status,
             )
             self.db.add(user)
         else:
@@ -73,6 +75,7 @@ class UsersRepository:
             user.email = email
             user.display_name = display_name
             user.is_active = is_active
+            user.status = status
 
         self.db.commit()
         self.db.refresh(user)
@@ -86,6 +89,7 @@ class UsersRepository:
         email: str | None = None,
         display_name: str | None = None,
         is_active: bool | None = None,
+        status: str | None = None,
     ) -> User:
         if username is not None:
             user.username = username
@@ -95,6 +99,13 @@ class UsersRepository:
             user.display_name = display_name
         if is_active is not None:
             user.is_active = is_active
+        if status is not None:
+            user.status = status
+
         self.db.commit()
         self.db.refresh(user)
         return user
+
+    def delete(self, user: User) -> None:
+        self.db.delete(user)
+        self.db.commit()