public IHttpActionResult PostMonth(NewEmployee newEmployee)
 {
     if (!ModelState.IsValid)
     {
         return(BadRequest(ModelState));
     }
     return(Ok(db.AddNewUser(newEmployee.FullName, newEmployee.Phone, newEmployee.Email,
                             new PasswordHasher().HashPassword(newEmployee.Password), newEmployee.Category, newEmployee.Exp, Guid.NewGuid().ToString())));
 }