feat(auth-models): Add is_admin field to User model

This commit adds an is_admin field to the User model definition in user.py. It is set to False by default and has been updated in fake_users_db for both users. Also, there were some code formatting changes made in auth.py.

src/backend/langflow/auth/auth.py

@@ -39,7 +39,7 @@ def create_access_token(data: dict, expires_delta: timedelta = None):
 
 def authenticate_user(fake_db, username: str, password: str):
     user = get_user(fake_db, username)
-    
+
     if not user:
         return False
     if not verify_password(password, user.hashed_password):
@@ -53,7 +53,7 @@ async def get_current_user(token: Annotated[str, Depends(oauth2_scheme)]):
         detail="Could not validate credentials",
         headers={"WWW-Authenticate": "Bearer"},
     )
-    
+
     try:
         payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
         username: str = payload.get("sub")

src/backend/langflow/models/user.py

@@ -6,6 +6,7 @@ class User(BaseModel):
     email: str | None = None
     full_name: str | None = None
     disabled: bool | None = None
+    is_admin: bool | None = False
 
 
 class UserInDB(User):
@@ -19,6 +20,7 @@ fake_users_db = {
         "email": "gustavopoa@gmail.com",
         "hashed_password": "$2b$12$f4R8IHUaVxVchhpWrwhckeJXnPalW1vUbJzcvb1KeovJcuMwE861K", #secret
         "disabled": False,
+        "is_admin": True,
     },
     "gustavo_disabled": {
         "username": "gustavo_disabled",
@@ -26,6 +28,7 @@ fake_users_db = {
         "email": "gustavo_disabled@gmail.com",
         "hashed_password": "$2b$12$f4R8IHUaVxVchhpWrwhckeJXnPalW1vUbJzcvb1KeovJcuMwE861K", #secret
         "disabled": True,
+        "is_admin": False,
     }
 }