public virtual ActionResult DeleteConfirmed(int id)
{
SymbolDrawing symbolDrawing = db.SymbolDrawings.Find(id);
db.SymbolDrawings.Remove(symbolDrawing);
db.SaveChanges();
return(RedirectToAction("Index"));
}
public virtual ActionResult Edit([Bind(Include = "Id,Email,EmailConfirmed,LockoutEndDateUtc,LockoutEnabled,AccessFailedCount,UserName")] ApplicationUser applicationUser)
{
if (ModelState.IsValid)
{
db.Entry(applicationUser).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(applicationUser));
}
public virtual ActionResult Create([Bind(Include = "SymbolStr,Name")] Symbol symbol)
{
if (ModelState.IsValid)
{
db.Symbols.Add(symbol);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(symbol));
}
private SymbolDrawing insertSymbolDrawingFromJson(string jsonData, Symbol symbol, bool drawnUsingTouch)
{
RawDrawing drawing;
try {
var lines = JsonConvert.DeserializeObject <RawPoint[][]>(jsonData);
drawing = new RawDrawing()
{
Lines = lines
};
}
catch (Exception ex) {
return(null);
}
new RawDataProcessor().CleanData(drawing);
if (drawing.LinesCount == 0)
{
return(null);
}
var userManager = new UserManager <ApplicationUser>(new UserStore <ApplicationUser>(db));
ApplicationUser author = User.Identity.IsAuthenticated ? userManager.FindById(User.Identity.GetUserId()) : null;
var sd = new SymbolDrawing()
{
Symbol = symbol,
CreatedDateTime = DateTime.UtcNow,
DrawnUsingTouch = drawnUsingTouch,
Creator = author,
Approved = (author == null || userManager.IsInRole(author.Id, RolesHelper.Teacher) == false) ? null : (bool?)true
};
sd.SetRawDrawing(drawing);
sd = db.SymbolDrawings.Add(sd);
db.SaveChanges();
Logger.LogInfo <TeachController>("New symbol drawing [{0}].", sd.SymbolDrawingId);
return(sd);
}
public virtual ActionResult Predict(PredictModel model)
{
if (!ModelState.IsValid)
{
return(HttpNotFound());
}
var sw = Stopwatch.StartNew();
RawDrawing rawDrawing;
try {
var lines = JsonConvert.DeserializeObject <RawPoint[][]>(model.JsonData);
rawDrawing = new RawDrawing()
{
Lines = lines
};
}
catch (Exception ex) {
return(HttpNotFound());
}
if (rawDrawing.LinesCount == 0)
{
return(Json(new {
Results = new int[0], // Any empty array will do (C# meets JS :).
Duration = (float)sw.Elapsed.TotalMilliseconds,
}));
}
List <Tuple <Symbol, float> > rawResults = predict(rawDrawing);
var minTime = DateTime.UtcNow.AddSeconds(-GUID_CHECK_WINDOW_SECONDS);
Drawing drawing = null;
if (model.IsFollowupDraw)
{
drawing = db.Drawings
.Where(d => d.ClientGuid == model.Guid && DateTime.Compare(d.DrawnDateTime, minTime) > 0)
.FirstOrDefault();
}
if (drawing == null)
{
drawing = new Drawing();
drawing.DrawnDateTime = DateTime.UtcNow;
drawing.ClientGuid = model.Guid;
db.Drawings.Add(drawing);
}
#if DEBUG
else
{
// Delete potentially cached image - this does not happen ofthen but it is annoying when it does happen.
new DrawingsController(db, DependencyResolver.Current.GetService <AppSettingsProvider>())
.ClearCachedImage(drawing.DrawingId);
}
#endif
var firstResult = rawResults.FirstOrDefault();
drawing.TopSymbol = firstResult == null ? null : firstResult.Item1;
drawing.TopSymbolScore = firstResult == null ? null : (double?)firstResult.Item2;
drawing.DrawnUsingTouch = model.DrawnUsingTouch;
drawing.SetRawDrawing(rawDrawing);
db.SaveChanges();
return(Json(new {
Results = rawResults.Select(x => new {
SymbolId = x.Item1.SymbolId,
Symbol = x.Item1.SymbolStr,
SymbolName = x.Item1.Name,
Rating = x.Item2,
HtmlEntity = x.Item1.HtmlEntity ?? "",
UtfCode = char.ConvertToUtf32(x.Item1.SymbolStr, 0),
}),
Duration = (float)sw.Elapsed.TotalMilliseconds,
}));
}
