public ActionResult AddToCourse(int? id)
{
if (id == null)
{
ViewBag.Error = "Inget Id har hittats";
return View("~/Views/Error/Index.cshtml");
}
Course course = db.Courses.FirstOrDefault(c => c.Id == id);
if (course == null)
{
ViewBag.Error = "Ingen kurs har hittats med detta id";
return View("~/Views/Error/Index.cshtml");
}
List<User> Users = db.Users.Where(s => s.CoursesId == null).ToList(); // studenter som ej hör till någon kurs än
Users = Users.Where(s => s.IsStudent()).ToList();
if (Users.Count() <= 0)
{
ViewBag.Error = "Inga studenter finns tillgängliga, till att läggas till i denna kurs";
return View("~/Views/Error/Index.cshtml");
}
ViewBag.Users = Users;
AddToCourseViewModel model = new AddToCourseViewModel();
model.CourseId = (int)id;
model.Students = new List<string>();
Menu(Home: true, Back: new MenyItem { Link = "~/Teacher/Course/" + id, Text = "Tillbaka till " + course.Name });
SetBreadcrumbs(
one: new MenyItem { Link = "~/Teacher/", Text = "Se alla kurser" }, two: new MenyItem { Link = "~/Teacher/Course/" + id, Text = course.Name });
return View(model);
}
public ActionResult AddToCourse(int? id, AddToCourseViewModel model)
{
Course course = db.Courses.FirstOrDefault(c => c.Id == id);
Menu(Home: true, Back: new MenyItem { Link = "~/Teacher/Course/"+ id, Text = "Tillbaka" + (course != null ? " till "+ course.Name : "") });
SetBreadcrumbs(
one: new MenyItem { Link = "~/Teacher/", Text = "Se alla kurser" }, two: new MenyItem { Link = "~/Teacher/Course/"+ id, Text = (course != null ? course.Name : "Tillbaka") });
bool hasError = false;
if (!ModelState.IsValid)
{
hasError = true;
}
if (id == null)
{
ModelState.AddModelError("", "Inget Id har angets");
id = 0;
hasError = true;
}
if (id != model.CourseId)
{
ModelState.AddModelError("CourseId", "Kursens id överanstämmer ej med sig själv");
hasError = true;
}
if (course == null)
{
ModelState.AddModelError("CourseId", "Ingen kurs har hittats med detta id");
hasError = true;
}
List<User> Users = db.Users.Where(s => s.CoursesId == null).ToList(); // studenter som ej hör till någon kurs än
Users = Users.Where(s => s.IsStudent()).ToList();
if (Users.Count() <= 0)
{
ModelState.AddModelError("Students", "Inga studenter finns tillgängliga, till att läggas till i denna kurs");
hasError = true;
}
ViewBag.Users = Users;
model.Students = (model.Students != null ? model.Students : new List<string>());
if (hasError)
{
return View(model);
}
foreach (string _id in model.Students)
{
User user = db.Users.FirstOrDefault(u => u.Id == _id);
if (user == null)
{
ModelState.AddModelError("", "Student kunde ej hittas");
hasError = true;
break;
}
course.Users.Add(user);
user.CoursesId = course.Id;
db.Entry(user).State = EntityState.Modified;
}
if (hasError)
{
return View(model);
}
db.Entry(course).State = EntityState.Modified;
db.SaveChanges();
return Redirect("~/Teacher/Course/"+ course.Id);
}
