public ActionResult Create(CourseCreationViewModel courseCreationViewModel)
{
if (ModelState.IsValid)
{
var course = courseCreationViewModel.Course;
course.Teacher = db.Users.Find(courseCreationViewModel.SelectedTeacherId);
db.Courses.Add(course);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(courseCreationViewModel));
}
public ActionResult Edit(CourseCreationViewModel courseCreationViewModel)
{
if (ModelState.IsValid)
{
var course = courseCreationViewModel.Course;
course.Teacher = db.Users.Find(courseCreationViewModel.SelectedTeacherId);
var entity = db.Courses.Include(x => x.Teacher).FirstOrDefault(x => x.Id == course.Id);
db.Entry(entity).CurrentValues.SetValues(course);
entity.Teacher = course.Teacher;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(courseCreationViewModel));
}
private async Task <CourseCreationViewModel> PrepareCourseCreationViewModel(Course course = null)
{
CourseCreationViewModel courseCreationViewModel = new CourseCreationViewModel();
var teacherRole = await RoleManager.FindByNameAsync("Teacher");
var teachers = UserManager.Users.Where(x => x.Roles.Any(y => y.RoleId == teacherRole.Id)).ToList();
List <SelectListItem> selectListItems = new List <SelectListItem>();
foreach (var elem in teachers)
{
selectListItems.Add(new SelectListItem()
{
Text = elem.LastName, Value = elem.Id
});
}
courseCreationViewModel.Teachers = selectListItems;
if (course != null)
{
courseCreationViewModel.Course = course;
courseCreationViewModel.SelectedTeacherId = course.Teacher?.Id;
}
return(courseCreationViewModel);
}
