Refactor About->Login

2024-09-11 14:28:52 +02:00
parent 94c6acbe14
commit 6cf55aa258
6 changed files with 53 additions and 72 deletions
--- a/Stunden/Views/LoginPage.xaml.cs
+++ b/Stunden/Views/LoginPage.xaml.cs
@@ -0,0 +1,95 @@
+using Jugenddienst_Stunden.Models;
+using Microsoft.Maui.Controls;
+using System.Collections.Generic;
+using ZXing.Net.Maui;
+
+namespace Jugenddienst_Stunden.Views;
+
+public partial class LoginPage : ContentPage {
+
+	private DateTime _lastDetectionTime;
+	private readonly TimeSpan _detectionInterval = TimeSpan.FromSeconds(5);
+
+	public LoginPage() {
+		InitializeComponent();
+
+		barcodeScannerView.Options = new ZXing.Net.Maui.BarcodeReaderOptions {
+			Formats = ZXing.Net.Maui.BarcodeFormat.QrCode,
+			AutoRotate = true,
+			Multiple = false
+		};
+	}
+
+	//public event EventHandler<string> AlertEvent;
+
+	private void BarcodesDetected(object sender, ZXing.Net.Maui.BarcodeDetectionEventArgs e) {
+		//var first = e.Results?.FirstOrDefault();
+		var currentTime = DateTime.Now;
+		if ((currentTime - _lastDetectionTime) > _detectionInterval) {
+			_lastDetectionTime = currentTime;
+			foreach (var barcode in e.Results) {
+				if (Stunde.apiKey != barcode.Value) {
+					MainThread.InvokeOnMainThreadAsync(async () => {
+						//await DisplayAlert("Barcode erkannt", $"Barcode: {barcode.Format} - {barcode.Value}", "OK");
+
+						try {
+							var op = await Models.Operator.LoadData(barcode.Value);
+							Models.Stunde.apiKey = barcode.Value;
+							Models.Stunde.name = op.name;
+							Models.Stunde.surname = op.surname;
+							Title = op.name + " " + op.surname;
+
+							Preferences.Default.Set("apiKey", barcode.Value);
+							Preferences.Default.Set("name", op.name);
+							Preferences.Default.Set("surname", op.surname);
+
+							await DisplayAlert("Login erfolgreich", op.name + " " + op.surname, "OK");
+						} catch (Exception e) {
+							//AlertEvent?.Invoke(this, e.Message);
+							await DisplayAlert("Fehler",
+							e.Message,
+							"OK");
+						}
+
+
+
+					});
+				} else {
+					MainThread.InvokeOnMainThreadAsync(() => {
+						DisplayAlert("Bereits eingeloggt",
+							Preferences.Default.Get("name", "") + " " + Preferences.Default.Get("surname", ""),
+							"OK");
+					});
+				}
+			}
+		}
+
+		//if (first is null) {
+		//	return;
+		//}
+		//Dispatcher.DispatchAsync(async () => {
+		//	await DisplayAlert("Scan-Ergebnis", $"Barcode: {first.Value}", "OK");
+		//});
+		//MainThread.InvokeOnMainThreadAsync(() => {
+		//	DisplayAlert("Barcode erkannt", $"Barcode: {first.Format} - {first.Value}", "OK");
+		//	Models.Stunde.apiKey = first.Value;
+		//});
+
+	}
+
+	protected override void OnDisappearing() {
+		base.OnDisappearing();
+		barcodeScannerView.CameraLocation = CameraLocation.Front;
+		barcodeScannerView.IsDetecting = false;
+
+	}
+
+	protected override void OnAppearing() {
+		base.OnAppearing();
+
+		barcodeScannerView.IsDetecting = true;
+		barcodeScannerView.CameraLocation = CameraLocation.Rear;
+	}
+
+
+}