feat: implement admin_required dependency and restrict gantt spreadsheet updates to admin users

src/auth/service.py

@@ -240,8 +240,15 @@ def notify_admin_on_rate_limit_sync(
         log.error(f"Error notifying admin: {str(e)}")
         return {"status": False, "message": str(e), "data": payload}
 
+async def admin_required(request: Request):
+    user = await get_current_user(request)
+    if user.role != "Admin" or user.role != "Superadmin":
+        raise HTTPException(
+            status_code=403, detail="Invalid authorization code."
+        )
+    return user
 
-
+Admin = Annotated[UserBase, Depends(admin_required)]
 CurrentUser = Annotated[UserBase, Depends(get_current_user)]
 Token = Annotated[str, Depends(get_token)]
 InternalKey = Annotated[str, Depends(internal_key)]

src/overhaul_gantt/router.py

@@ -67,7 +67,7 @@ async def get_gantt_spreadsheet(db_session: DbSession):
 @router.post(
     "/spreadsheet", response_model=StandardResponse[dict], dependencies=[Depends(csrf_protect)]
 )
-async def update_gantt_spreadsheet(db_session: DbSession, spreadsheet_in: OverhaulGanttIn):
+async def update_gantt_spreadsheet(db_session: DbSession, spreadsheet_in: OverhaulGanttIn, admin: Admin):
     """Get all scope pagination."""
     # return