86 lines
2.5 KiB
C#
86 lines
2.5 KiB
C#
using Jugenddienst_Stunden.Models;
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using Jugenddienst_Stunden.ViewModels;
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using Microsoft.Maui.Controls;
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using System.Collections.Generic;
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using ZXing.Net.Maui;
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namespace Jugenddienst_Stunden.Views;
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public partial class LoginPage : ContentPage {
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private DateTime _lastDetectionTime;
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private readonly TimeSpan _detectionInterval = TimeSpan.FromSeconds(5);
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private readonly LoginViewModel _loginViewModel = new LoginViewModel();
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public LoginPage() {
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InitializeComponent();
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barcodeScannerView.Options = new ZXing.Net.Maui.BarcodeReaderOptions {
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Formats = ZXing.Net.Maui.BarcodeFormat.QrCode,
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AutoRotate = true,
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Multiple = false
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};
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}
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//public event EventHandler<string> AlertEvent;
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private void BarcodesDetected(object sender, ZXing.Net.Maui.BarcodeDetectionEventArgs e) {
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//var first = e.Results?.FirstOrDefault();
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var currentTime = DateTime.Now;
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if ((currentTime - _lastDetectionTime) > _detectionInterval) {
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_lastDetectionTime = currentTime;
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foreach (var barcode in e.Results) {
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if (Stunde.apiKey != barcode.Value) {
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MainThread.InvokeOnMainThreadAsync(async () => {
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//await DisplayAlert("Barcode erkannt", $"Barcode: {barcode.Format} - {barcode.Value}", "OK");
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try {
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var op = await Models.Operator.LoadData(barcode.Value);
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Models.Stunde.apiKey = barcode.Value;
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Models.Stunde.name = op.name;
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Models.Stunde.surname = op.surname;
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Title = op.name + " " + op.surname;
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Preferences.Default.Set("apiKey", barcode.Value);
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Preferences.Default.Set("name", op.name);
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Preferences.Default.Set("surname", op.surname);
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//Preferences.Default.Set("apiUrl", Pre);
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_loginViewModel.Server = Preferences.Default.Get("apiUrl", "");
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await DisplayAlert("Login erfolgreich", op.name + " " + op.surname, "OK");
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} catch (Exception e) {
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//AlertEvent?.Invoke(this, e.Message);
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await DisplayAlert("Fehler",
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e.Message,
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"OK");
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}
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});
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} else {
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MainThread.InvokeOnMainThreadAsync(() => {
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DisplayAlert("Bereits eingeloggt",
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Preferences.Default.Get("name", "") + " " + Preferences.Default.Get("surname", ""),
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"OK");
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});
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}
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}
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}
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}
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protected override void OnDisappearing() {
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base.OnDisappearing();
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barcodeScannerView.CameraLocation = CameraLocation.Front;
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barcodeScannerView.IsDetecting = false;
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}
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protected override void OnAppearing() {
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base.OnAppearing();
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barcodeScannerView.IsDetecting = true;
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barcodeScannerView.CameraLocation = CameraLocation.Rear;
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}
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}
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