public async Task <ActionResult <Instructor> > CreateInstructor([FromBody] InstructorViewModel model)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            try
            {
                var created = await instructorService.CreateInstructorAsync(model);

                return(CreatedAtAction(nameof(GetInstructorById), new { instructorId = created.Id }, created));
            }
            catch (Exception e)
            {
                return(await HandleControllerException(e));
            }
        }