// GET: Classes/Details/5
public async Task<ActionResult> Details(int? id)
{
if(id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
const int maxItems = 10;
Class @class = await db.Classes.Include(c => c.Teacher).Where(c => c.Id == id).FirstOrDefaultAsync();
if(@class == null)
{
return HttpNotFound();
}
var workItemManager = new WorkItemManager(db);
var workItems = (await workItemManager.GetClassWorkItems(@class)).Take(5);
ViewBag.WorkItems = workItems;
var announcementManager = new AnnouncementManager(db);
var announcements = (await announcementManager.GetClassAnnouncements(@class)).Take(5);
ViewBag.Announcements = announcements;
return View(@class);
}
public async Task<ActionResult> Create([Bind(Include = "Id,Title,Description,DueDate,MaxPoints,ClassId,Type")] CreateWorkItemViewModel workItem)
{
if(ModelState.IsValid)
{
int classId = workItem.ClassId;
WorkItemManager manager = new WorkItemManager(db);
await manager.CreateWorkItem(workItem);
return RedirectToAction("Index", new { classId = classId });
}
return View(workItem);
}
/// <summary>
/// Calculates and returns a students grade in a class
/// </summary>
/// <param name="student">To student to calculate a grade for</param>
/// <param name="class">The class that the student is enrolled in</param>
/// <returns></returns>
public async Task<float> GetStudentGradeAsync(ApplicationUser student, Class @class)
{
WorkItemManager workItemManager = new WorkItemManager(_db);
var workItems = await workItemManager.GetClassWorkItems(@class);
var total = 0.0f;
total += await GetAverageForType(student, workItems, WorkItemType.Exam, @class.GradeDistribution);
total += await GetAverageForType(student, workItems, WorkItemType.Homework, @class.GradeDistribution);
total += await GetAverageForType(student, workItems, WorkItemType.Other, @class.GradeDistribution);
total += await GetAverageForType(student, workItems, WorkItemType.Project, @class.GradeDistribution);
total += await GetAverageForType(student, workItems, WorkItemType.Quiz, @class.GradeDistribution);
return total;
}
// GET: WorkItems
/// <summary>
/// Returns a list of all work items for a class if classId is given. Otherwise, returns
/// a list of all work items
/// </summary>
/// <param name="classId">Id of class to return work items for</param>
public async Task<ActionResult> Index(int? classId)
{
if(!classId.HasValue)
{
ViewBag.Title = "All work items";
return View(await db.WorkItems.ToListAsync());
}
Class @class = await db.Classes.FindAsync(classId);
if(@class == null)
{
ViewBag.Title = "Error";
ModelState.AddModelError("error", string.Format("No class with id \"{0}\"", classId));
return View();
}
ViewBag.Title = string.Format("Work items for \"{0}\"", @class.Title);
ViewBag.ClassId = classId;
WorkItemManager manager = new WorkItemManager(db);
return View(await manager.GetClassWorkItems(@class));
}
/// <summary>
/// Create a new default WorkItemsController
/// </summary>
public WorkItemsController()
{
_db = new ApplicationDbContext();
_userManager = new ApplicationUserManager(new UserStore<ApplicationUser>(_db));
_workItemManager = new WorkItemManager(_db);
}
