public IActionResult AddCourse(CourseModel courseModel)
{
if (!ModelState.IsValid)
{
return(View(courseModel));
}
Subject subject = subjectRepository.FindByName(courseModel.SubjectName);
if (subject == null)
{
subject = new Subject();
subject.Name = courseModel.SubjectName;
subject = subjectRepository.Create(subject);
}
Course course = new Course();
course.Name = courseModel.Name;
course.Description = courseModel.Description;
course.AuthorId = BitConverter.ToInt32(HttpContext.Session.Get("userId"));
Author author = authorRepository.Read(course.AuthorId);
course.SubjectId = subject.Id;
course.Author = author;
if (subject.Courses == null)
{
subject.Courses = new List <Course>();
}
subject.Courses.Add(course);
if (author.Courses == null)
{
author.Courses = new List <Course>();
}
author.Courses.Add(course);
courseRepository.Create(course);
return(RedirectToAction("Courses", "Course"));
}