public IActionResult GetAllPeople(string location, string job, string page, int age = default) { if (age < 0) { return(BadRequest("Age should be non negative")); } if (location == null && job == null && age == default) { return(Ok(peopleService.GetAllPeople(int.Parse(page)))); } else { return(Ok(peopleService.FilterPeopleFromDB(location, job, age, int.Parse(page)))); } }