public ActionResult LearnRoad(int id)
{
var road = Db.Roads
.Include(p => p.RoadXRoadSteps.Select(u => u.RoadStep))
.FirstOrDefault(p => p.Id == id);
var firstStepInRoad = road.GetStartingStep();
if (firstStepInRoad == null)
{
var user = Db.AspNetUsers.FirstOrDefault(p => p.Id == road.UserId);
Db.TrainingMessages.Add(
new TrainingMessage(
"Students are trying to learn road " + road.Name + ", but there are no road steps.", user,
user, road, null, null));
Db.SaveChanges();
return(RedirectToAction("Index", "Library"));
}
if (CurrentUserId == null)
{
return(RedirectToAction("Step", "Library", new { @id = firstStepInRoad.Id, @message = "Please login into your account to start learning." }));
}
var student = CurrentStudent;
if (student == null)
{
student = new Student(CurrentUser);
Db.Students.Add(student);
}
var roadStep = Db.RoadSteps.FirstOrDefault(p => p.Id == firstStepInRoad.Id);
var studentXRoadStep = new StudentXRoadStep(student, roadStep, LearningStatus.StudyingResources);
student.StudentXRoadSteps.Add(studentXRoadStep);
Db.SaveChanges();
return(RedirectToAction("Step", "Library", new { @id = id }));
}
public ActionResult LearnStep(int id)
{
if (CurrentUserId == null)
{
return(RedirectToAction("Step", "Library", new { @id = id, @message = "Please login into your account to start learning." }));
}
var student = CurrentStudent;
if (student == null)
{
student = new Student(CurrentUser);
Db.Students.Add(student);
}
var roadStep = Db.RoadSteps.FirstOrDefault(p => p.Id == id);
var studentXRoadStep = new StudentXRoadStep(student, roadStep, LearningStatus.StudyingResources);
student.StudentXRoadSteps.Add(studentXRoadStep);
Db.SaveChanges();
return(RedirectToAction("Step", "Library", new { @id = id }));
}
