/// <summary>
/// Returns all the ScoreUnits associated with the given WorkItem
/// </summary>
/// <param name="workItem">WorkItem for which to return ScoreUnits</param>
/// <returns>Creates new ScoreUnits for all students who have none</returns>
public async Task<IEnumerable<ScoreUnit>> GetScoreUnits(WorkItem workItem)
{
ClassManager classManager = new ClassManager(_db, _userManager);
var students = await classManager.GetAcceptedStudents(workItem.Class);
var newScoreUnits = new List<ScoreUnit>();
var scoreUnits = await _db.ScoreUnits
.Include(su => su.Student)
.Where(su => su.WorkItem.Id == workItem.Id).ToDictionaryAsync(su => su.Student.Id);
// Create new ScoreUnits for those who don't have one
foreach(var student in students)
{
if(!scoreUnits.ContainsKey(student.Id))
{
var newScoreUnit = new ScoreUnit();
newScoreUnit.WorkItem = workItem;
newScoreUnit.Student = student;
newScoreUnit.Grade = null;
newScoreUnits.Add(newScoreUnit);
}
}
var addedScoreUnits = _db.ScoreUnits.AddRange(newScoreUnits);
await _db.SaveChangesAsync();
// Convert dictionary to list and add new ScoreUnits
var result = scoreUnits.Select(kvp => kvp.Value).ToList();
result.AddRange(addedScoreUnits);
return result;
}
/// <summary>
/// Shows the details of the user with the given user name
/// </summary>
/// <param name="userName"></param>
public async Task<ActionResult> Details(string userName)
{
var teacher = await userManager.FindByEmailAsync(userName);
ClassManager manager = new ClassManager(db);
var classes = await manager.GetUserClasses(teacher);
ViewBag.Classes = classes;
return View(teacher);
}
/// <summary>
/// Creates a new default ClassesController
/// </summary>
public ClassesController()
{
_db = new ApplicationDbContext();
_userManager = new ApplicationUserManager(new UserStore<ApplicationUser>(_db));
_classManager = new ClassManager(_db);
}
/// <summary>
/// Creates a new default GradesController
/// </summary>
public GradesController()
{
_db = new ApplicationDbContext();
_gradeManager = new GradeManager(_db);
_classManager = new ClassManager(_db);
}