public ConfAttendee CheckBarcode(ConfScan scan)
{
var attendee = Find<ConfAttendee> (a => a.Barcode == scan.Barcode);
//var attendees = Query<ConfAttendee> ("SELECT * FROM ConfAttendee WHERE Barcode = ?", scan.Barcode);
if (attendee != null)
scan.AttendeeName = attendee.Name;
return attendee; // could be null
}
public override void LoadView()
{
base.LoadView();
if (!SetupCaptureSession())
{
throw new NotSupportedException("Unable to setup camera for QR scan");
}
previewLayer.Frame = new System.Drawing.RectangleF(0, 40, 320, 320); //HACK: UIScreen.MainScreen.Bounds;
View.Layer.AddSublayer(previewLayer);
qrResult = new UILabel(new RectangleF(0, 380, 320, 30));
View.AddSubview(qrResult);
QrScan += (result) => {
Console.WriteLine("Scan : " + result.BarcodeFormat + " " + result.Text);
InvokeOnMainThread(() => {
//new UIAlertView ("Scan", result.Text, null, "OK").Show ()
qrResult.Text += result.Text + "\n";
var scan = new ConfScan()
{
Barcode = result.Text, ScannedAt = DateTime.Now
};
AppDelegate.UserData.AddScan(scan);
scanTable.InsertAsync(scan)
.ContinueWith(t => {
Console.WriteLine(t.Status);
Console.WriteLine("Updated scan in cloud " + t);
}, scheduler);
session.StopRunning();
});
};
startButton = UIButton.FromType(UIButtonType.RoundedRect);
startButton.Frame = new RectangleF(0, 0, 50, 30);
startButton.SetTitle("Scan", UIControlState.Normal);
startButton.TouchUpInside += (sender, e) => {
session.StartRunning();
};
View.AddSubview(startButton);
}
public override void LoadView()
{
base.LoadView ();
if (!SetupCaptureSession ())
throw new NotSupportedException ("Unable to setup camera for QR scan");
previewLayer.Frame = new System.Drawing.RectangleF (0, 40, 320, 320); //HACK: UIScreen.MainScreen.Bounds;
View.Layer.AddSublayer (previewLayer);
qrResult = new UILabel(new RectangleF (0, 380, 320, 30));
View.AddSubview (qrResult);
QrScan += (result) => {
Console.WriteLine ("Scan : " + result.BarcodeFormat + " " + result.Text );
InvokeOnMainThread (() => {
//new UIAlertView ("Scan", result.Text, null, "OK").Show ()
qrResult.Text += result.Text + "\n";
var scan = new ConfScan () {Barcode=result.Text, ScannedAt=DateTime.Now};
AppDelegate.UserData.AddScan (scan);
scanTable.InsertAsync (scan)
.ContinueWith (t => {
Console.WriteLine (t.Status);
Console.WriteLine ("Updated scan in cloud " + t);
}, scheduler);
session.StopRunning ();
});
};
startButton = UIButton.FromType (UIButtonType.RoundedRect);
startButton.Frame = new RectangleF(0,0,50,30);
startButton.SetTitle ("Scan", UIControlState.Normal);
startButton.TouchUpInside += (sender, e) => {
session.StartRunning ();
};
View.AddSubview(startButton);
}
public void AddScan(ConfScan scan)
{
Insert(scan);
}
public override void LoadView()
{
base.LoadView ();
if (!SetupCaptureSession ()) {
Console.WriteLine ("Scan function requires a camera - doesn't work in the iOS Simulator");
throw new NotSupportedException ("Unable to setup camera for QR scan");
}
scanButton = UIButton.FromType (UIButtonType.System);
scanButton.BackgroundColor = UIColor.White;
scanButton.Frame = new RectangleF(50,60,220,80);
scanButton.SetTitle ("Scan Again", UIControlState.Normal);
scanButton.TouchUpInside += (sender, e) => {
View.BackgroundColor = UIColor.Black;
session.StartRunning ();
qrResult1.Text = "";
qrResult2.Text = "";
scanButton.RemoveFromSuperview ();
};
qrResult1 = new UILabel(new RectangleF (10, 300, 300, 40));
qrResult1.TextColor = UIColor.White;
qrResult1.BackgroundColor = UIColor.Clear;
qrResult1.Font = UIFont.BoldSystemFontOfSize (32f);
qrResult1.AdjustsFontSizeToFitWidth = true;
qrResult2 = new UILabel(new RectangleF (10, 350, 300, 30));
qrResult2.TextColor = UIColor.White;
qrResult2.BackgroundColor = UIColor.Clear;
qrResult2.Font = UIFont.BoldSystemFontOfSize (18f);
QrScan += (result) => {
//Console.WriteLine ("Scan : " + result.BarcodeFormat + " " + result.Text );
InvokeOnMainThread (async () => {
session.StopRunning();
qrResult2.Text = result; //.Text;
var scan = new ConfScan () { Barcode=result, ScannedAt=DateTime.Now };
bool valid = false, reentry = false;
// LOCAL DATA OPERATIONS
// check for attendee
var validAttendee = AppDelegate.UserData.CheckBarcode (scan);
if (validAttendee != null) {
valid = true;
scan.IsValid = true;
qrResult1.Text = validAttendee.Name;
if (validAttendee.ScanCount > 0) {
reentry = true;
validAttendee.ScanCount += 1;
qrResult2.Text += " (re-entry)";
AppDelegate.UserData.Update (validAttendee);
} else {
// first entry
validAttendee.ScanCount = 1;
AppDelegate.UserData.Update (validAttendee);
}
} else {
qrResult1.Text = "BARCODE NOT FOUND";
scan.AttendeeName = "NOT FOUND";
scan.IsValid = false;
}
// Adds to local database
AppDelegate.UserData.AddScan (scan);
//HACK: commented out Azure for now ~ no account
// and still need to test the new async-style calls
// try {
// // REMOTE DATA OPERATIONS
// // Massive hack here, need to revisit how we deal with these Azure updates
// await AzureManager.scanTable.InsertAsync (scan);
// Console.WriteLine ("Updated scan in cloud, Id:" + scan.Id);
//
// // we need to find out of the Attendee.Barcode is already in Azure...
// if (validAttendee != null) {
// if (validAttendee.Id > 0) {
// await AzureManager.attendeeTable.UpdateAsync (validAttendee);
// Console.WriteLine ("Updated attendee in cloud, Id:" + validAttendee.Id);
// } else {
// await AzureManager.attendeeTable.InsertAsync (validAttendee);
// Console.WriteLine ("Inserted attendee in cloud, Id:" + validAttendee.Id);
// AppDelegate.UserData.Update (validAttendee); // with Azure~Id
// Console.WriteLine ("Inserted attendee in local, Id:" + validAttendee.Id);
// }
// }
// } catch (AggregateException ae) {
// Console.WriteLine ("AZURE error " + ae);
// } catch (Exception e) {
// Console.WriteLine ("AZURE error " + e);
// }
if (valid && !reentry) {
View.BackgroundColor = UIColor.Green;
Speak ("Please enter");
} else if (valid && reentry) {
View.BackgroundColor = UIColor.Orange;
Speak ("Welcome back");
} else {
View.BackgroundColor = UIColor.Red;
Speak ("Denied!");
}
View.AddSubview (scanButton);
});
};
//View.AddSubview (scanButton); // gets added/removed dynamically
View.AddSubview (qrResult1);
View.AddSubview (qrResult2);
}
public override void LoadView()
{
base.LoadView();
if (!SetupCaptureSession())
{
Console.WriteLine("Scan function requires a camera - doesn't work in the iOS Simulator");
throw new NotSupportedException("Unable to setup camera for QR scan");
}
scanButton = UIButton.FromType(UIButtonType.System);
scanButton.BackgroundColor = UIColor.White;
scanButton.Frame = new RectangleF(50, 60, 220, 80);
scanButton.SetTitle("Scan Again", UIControlState.Normal);
scanButton.TouchUpInside += (sender, e) => {
View.BackgroundColor = UIColor.Black;
session.StartRunning();
qrResult1.Text = "";
qrResult2.Text = "";
scanButton.RemoveFromSuperview();
};
qrResult1 = new UILabel(new RectangleF(10, 300, 300, 40));
qrResult1.TextColor = UIColor.White;
qrResult1.BackgroundColor = UIColor.Clear;
qrResult1.Font = UIFont.BoldSystemFontOfSize(32f);
qrResult1.AdjustsFontSizeToFitWidth = true;
qrResult2 = new UILabel(new RectangleF(10, 350, 300, 30));
qrResult2.TextColor = UIColor.White;
qrResult2.BackgroundColor = UIColor.Clear;
qrResult2.Font = UIFont.BoldSystemFontOfSize(18f);
QrScan += (result) => {
//Console.WriteLine ("Scan : " + result.BarcodeFormat + " " + result.Text );
InvokeOnMainThread(async() => {
session.StopRunning();
qrResult2.Text = result; //.Text;
var scan = new ConfScan()
{
Barcode = result, ScannedAt = DateTime.Now
};
bool valid = false, reentry = false;
// LOCAL DATA OPERATIONS
// check for attendee
var validAttendee = AppDelegate.UserData.CheckBarcode(scan);
if (validAttendee != null)
{
valid = true;
scan.IsValid = true;
qrResult1.Text = validAttendee.Name;
if (validAttendee.ScanCount > 0)
{
reentry = true;
validAttendee.ScanCount += 1;
qrResult2.Text += " (re-entry)";
AppDelegate.UserData.Update(validAttendee);
}
else
{
// first entry
validAttendee.ScanCount = 1;
AppDelegate.UserData.Update(validAttendee);
}
}
else
{
qrResult1.Text = "BARCODE NOT FOUND";
scan.AttendeeName = "NOT FOUND";
scan.IsValid = false;
}
// Adds to local database
AppDelegate.UserData.AddScan(scan);
//HACK: commented out Azure for now ~ no account
// and still need to test the new async-style calls
// try {
// // REMOTE DATA OPERATIONS
// // Massive hack here, need to revisit how we deal with these Azure updates
// await AzureManager.scanTable.InsertAsync (scan);
// Console.WriteLine ("Updated scan in cloud, Id:" + scan.Id);
//
// // we need to find out of the Attendee.Barcode is already in Azure...
// if (validAttendee != null) {
// if (validAttendee.Id > 0) {
// await AzureManager.attendeeTable.UpdateAsync (validAttendee);
// Console.WriteLine ("Updated attendee in cloud, Id:" + validAttendee.Id);
// } else {
// await AzureManager.attendeeTable.InsertAsync (validAttendee);
// Console.WriteLine ("Inserted attendee in cloud, Id:" + validAttendee.Id);
// AppDelegate.UserData.Update (validAttendee); // with Azure~Id
// Console.WriteLine ("Inserted attendee in local, Id:" + validAttendee.Id);
// }
// }
// } catch (AggregateException ae) {
// Console.WriteLine ("AZURE error " + ae);
// } catch (Exception e) {
// Console.WriteLine ("AZURE error " + e);
// }
if (valid && !reentry)
{
View.BackgroundColor = UIColor.Green;
Speak("Please enter");
}
else if (valid && reentry)
{
View.BackgroundColor = UIColor.Orange;
Speak("Welcome back");
}
else
{
View.BackgroundColor = UIColor.Red;
Speak("Denied!");
}
View.AddSubview(scanButton);
});
};
//View.AddSubview (scanButton); // gets added/removed dynamically
View.AddSubview(qrResult1);
View.AddSubview(qrResult2);
}
public ScanElement(ConfScan sc) : base(sc.Barcode)
{
scan = sc;
}
public override void LoadView()
{
base.LoadView ();
if (!SetupCaptureSession ())
throw new NotSupportedException ("Unable to setup camera for QR scan");
scanButton = UIButton.FromType (UIButtonType.RoundedRect);
scanButton.Frame = new RectangleF(50,60,220,80);
scanButton.SetTitle ("Scan Again", UIControlState.Normal);
scanButton.TouchUpInside += (sender, e) => {
View.BackgroundColor = UIColor.Black;
session.StartRunning ();
qrResult1.Text = "";
qrResult2.Text = "";
scanButton.RemoveFromSuperview ();
};
qrResult1 = new UILabel(new RectangleF (10, 300, 300, 40));
qrResult1.TextColor = UIColor.White;
qrResult1.BackgroundColor = UIColor.Clear;
qrResult1.Font = UIFont.BoldSystemFontOfSize (32f);
qrResult1.AdjustsFontSizeToFitWidth = true;
qrResult2 = new UILabel(new RectangleF (10, 350, 300, 30));
qrResult2.TextColor = UIColor.White;
qrResult2.BackgroundColor = UIColor.Clear;
qrResult2.Font = UIFont.BoldSystemFontOfSize (18f);
previewLayer.Frame = new System.Drawing.RectangleF (0, 0, 320, 290);
View.Layer.AddSublayer (previewLayer);
QrScan += (result) => {
Console.WriteLine ("Scan : " + result.BarcodeFormat + " " + result.Text );
InvokeOnMainThread (() => {
qrResult2.Text = result.Text;
var scan = new ConfScan () { Barcode=result.Text, ScannedAt=DateTime.Now };
bool valid = false, reentry = false;
// LOCAL DATA OPERATIONS
// check for attendee
var validAttendee = AppDelegate.UserData.CheckBarcode (scan);
if (validAttendee != null) {
valid = true;
scan.IsValid = true;
qrResult1.Text = validAttendee.Name;
if (validAttendee.ScanCount > 0) {
reentry = true;
validAttendee.ScanCount += 1;
qrResult2.Text += " (re-entry)";
AppDelegate.UserData.Update (validAttendee);
} else {
// first entry
validAttendee.ScanCount = 1;
AppDelegate.UserData.Update (validAttendee);
}
} else {
qrResult1.Text = "BARCODE NOT FOUND";
scan.AttendeeName = "NOT FOUND";
scan.IsValid = false;
}
AppDelegate.UserData.AddScan (scan);
// REMOTE DATA OPERATIONS
// Massive hack here, need to revisit how we deal with PKs in Azure
AzureManager.scanTable.InsertAsync (scan)
.ContinueWith (t => {
Console.WriteLine ("Updated scan in cloud " + t.Status + " " + t.Id);
}, scheduler);
// we need to find out of the Attendee.Barcode is already in Azure...
if (validAttendee != null) {
if (validAttendee.Id > 0)
AzureManager.attendeeTable.UpdateAsync (validAttendee)
.ContinueWith (u => {
Console.WriteLine ("Updated attendee in cloud " + u.Status + " update " + u.Id);
}, scheduler);
else {
AzureManager.attendeeTable.InsertAsync (validAttendee)
.ContinueWith (v => {
Console.WriteLine ("Inserted attendee in cloud " + v.Status + " " + v.Id + " ~ " + validAttendee.Id);
AppDelegate.UserData.Update (validAttendee); // with Azure~Id
}, scheduler);
}
}
if (valid && !reentry)
View.BackgroundColor = UIColor.Green;
else if (valid && reentry)
View.BackgroundColor = UIColor.Orange;
else
View.BackgroundColor = UIColor.Red;
session.StopRunning ();
View.AddSubview (scanButton);
});
};
//View.AddSubview (scanButton); // gets added/removed dynamically
View.AddSubview (qrResult1);
View.AddSubview (qrResult2);
}
