public CourseTracker AddTracker(CourseTracker tracker)
{
tracker.IsCompleted = false;
if (_context.CourseTrackers.FirstOrDefault(ct => ct.CourseID == tracker.CourseID && tracker.ApplicationUserId == tracker.ApplicationUserId) == null)
{
var addedTracker = _context.Add(tracker);
_context.SaveChanges();
return tracker;
}
return null;
}
public CourseTracker UpdateCourseTracker(CourseTracker updatedTracker)
{
var tracker = _context.CourseTrackers.FirstOrDefault(ct => ct.CourseTrackerID == updatedTracker.CourseTrackerID);
if (tracker != null)
{
tracker.IsCompleted = updatedTracker.IsCompleted;
_context.Entry(tracker).State = Microsoft.Data.Entity.EntityState.Modified;
_context.SaveChanges();
return tracker;
}
return null;
}