public async Task <IActionResult> GetCourseContents(int courseId)
{
if (courseId < 1)
{
return(BadRequest());
}
var course = await _courseService.GetCourseByIdAsync(courseId);
var chapters = await _chapterService.GetChaptersOfCourseAsync(courseId);
var model = _courseConverter.ToCourseContentsModel(course, chapters);
return(Ok(model));
}
