mirror of
https://dev.azure.com/TeilRad/sharee.bike%20App/_git/Code
synced 2024-11-15 22:56:37 +01:00
397 lines
12 KiB
C#
397 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.ComponentModel;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Plugin.BLE.Abstractions.Contracts;
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using Serilog;
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using TINK.Model;
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using TINK.Model.Bikes;
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using TINK.Model.Bikes.BikeInfoNS.BluetoothLock;
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using TINK.Model.Connector;
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using TINK.Model.Device;
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using TINK.Model.Stations;
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using TINK.Model.Stations.StationNS;
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using TINK.Model.User;
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using TINK.MultilingualResources;
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using TINK.Services.BluetoothLock;
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using TINK.Services.BluetoothLock.Tdo;
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using TINK.Services.Geolocation;
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using TINK.Services.Permissions;
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using TINK.Settings;
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using TINK.View;
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using TINK.ViewModel.Bikes;
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using Xamarin.Forms;
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using Command = Xamarin.Forms.Command;
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namespace TINK.ViewModel.BikesAtStation
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{
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/// <summary>
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/// Manages one or more bikes which are located at a single station.
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/// </summary>
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public class BikesAtStationPageViewModel : BikesViewModel, INotifyCollectionChanged, INotifyPropertyChanged
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{
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/// <summary>
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/// Holds the selected station;
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/// </summary>
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private IStation Station { get; }
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/// <summary>
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/// True if ListView of Bikes is refreshing after user pulled;
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/// </summary>
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private bool _isRefreshing = false;
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public bool IsRefreshing
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{
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get { return _isRefreshing; }
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set
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{
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_isRefreshing = value;
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OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsRefreshing)));
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}
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}
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/// <summary>
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/// Holds what should be executed on pull to refresh
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/// </summary>
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public Command RefreshCommand { get; }
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/// <summary>
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/// Constructs bike collection view model.
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/// </summary>
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/// <param name="user">Mail address of active user.</param>
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/// <param name="permissions">Holds object to query location permissions.</param>
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/// <param name="bluetoothLE">Holds object to query bluetooth state.</param>
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/// <param name="runtimPlatform">Specifies on which platform code is run.</param>
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/// <param name="isConnectedDelegate">Returns if mobile is connected to web or not.</param>
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/// <param name="connectorFactory">Connects system to copri.</param>
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/// <param name="lockService">Service to control lock retrieve info.</param>
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/// <param name="polling"> Holds whether to poll or not and the period length is polling is on. </param>
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/// <param name="openUrlInExternalBrowser">Action to open an external browser.</param>
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/// <param name="postAction">Executes actions on GUI thread.</param>
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/// <param name="smartDevice">Provides info about the smart device (phone, tablet, ...).</param>
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/// <param name="viewService">Interface to actuate methods on GUI.</param>
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public BikesAtStationPageViewModel(
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User user,
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ILocationPermission permissions,
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IBluetoothLE bluetoothLE,
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string runtimPlatform,
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IStation selectedStation,
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Func<bool> isConnectedDelegate,
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Func<bool, IConnector> connectorFactory,
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IGeolocationService geolocation,
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ILocksService lockService,
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PollingParameters polling,
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Action<string> openUrlInExternalBrowser,
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Action<SendOrPostCallback, object> postAction,
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ISmartDevice smartDevice,
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IViewService viewService) : base(user, new ViewContext(PageContext.BikesAtStation, selectedStation.Id), permissions, bluetoothLE, runtimPlatform, isConnectedDelegate, connectorFactory, geolocation, lockService, polling, postAction, smartDevice, viewService, openUrlInExternalBrowser, () => new BikeAtStationInUseStateInfoProvider())
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{
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Station = selectedStation ?? new NullStation();
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Title = Station.StationName;
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StationDetailText = Station.Id != null
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? string.Format(AppResources.MarkingBikesAtStationStationId, Station.Id)
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: string.Empty;
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RefreshCommand = new Command(async () => {
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IsRefreshing = false;
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await OnAppearingOrRefresh();
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});
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CollectionChanged += (sender, eventargs) =>
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{
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OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsNoBikesAtStationVisible)));
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OnPropertyChanged(new PropertyChangedEventArgs(nameof(NoBikesAtStationText)));
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OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsLoginRequiredHintVisible)));
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OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsRefreshing)));
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};
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}
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/// <summary>
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/// Name of the station which is displayed as title of the page.
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/// </summary>
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public string Title
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{
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get; private set;
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}
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/// <summary>
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/// Informs about need to log in before requesting an bike.
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/// </summary>
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public bool IsLoginRequiredHintVisible
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{
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get
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{
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return Count > 0
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&& !ActiveUser.IsLoggedIn;
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}
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}
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/// <summary>
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/// Informs about need to log in before requesting an bike.
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/// </summary>
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public string LoginRequiredHintText
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=> ActiveUser.IsLoggedIn
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? string.Empty
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: AppResources.MarkingLoginRequiredToRerserve;
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public string ContactSupportHintText
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=> string.Format(IsIdle ? AppResources.MarkingContactSupport : AppResources.MarkingContactSupportBusy, Station.OperatorData?.Name ?? "Operator");
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/// <summary>
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/// Returns if info about the fact that user did not request or book any bikes is visible or not.
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/// </summary>
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public bool IsNoBikesAtStationVisible
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{
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get
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{
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return Count <= 0 && IsIdle == true;
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}
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}
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/// <summary> Info about the fact that user did not request or book any bikes. </summary>
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public string NoBikesAtStationText
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{
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get
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{
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return IsNoBikesAtStationVisible
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? AppResources.MarkingBikesAtStationNoBikesAvailable
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: string.Empty;
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}
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}
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/// <summary> Command object to bind login page redirect link to view model.</summary>
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public System.Windows.Input.ICommand ContactSupportClickedCommand
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=> new Xamarin.Forms.Command(async () => await OpenSupportPageAsync());
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/// <summary> Command object to bind login page redirect link to view model.</summary>
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public System.Windows.Input.ICommand LoginRequiredHintClickedCommand
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=> new Xamarin.Forms.Command(async () => await OpenLoginPageAsync());
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/// <summary> Opens login page. </summary>
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public async Task OpenLoginPageAsync()
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{
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try
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{
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// Switch to map page
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await ViewService.ShowPage("//LoginPage");
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}
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catch (Exception p_oException)
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{
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Log.Error("Ein unerwarteter Fehler ist in der Klasse BikesAtStationPageViewModel aufgetreten. Kontext: Klick auf Hinweistext auf Station N- seite ohne Anmeldung. {@Exception}", p_oException);
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return;
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}
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}
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/// <summary> Opens support. </summary>
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public async Task OpenSupportPageAsync()
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{
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try
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{
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if (!IsIdle)
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{
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// Prevent navigation when app is not idle because this might lead to aborting return bike workflow.
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return;
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}
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// Switch to map page
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await ViewService.ShowPage("//ContactPage");
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}
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catch (Exception p_oException)
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{
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Log.Error("Ein unerwarteter Fehler ist auf der Seite Kontakt aufgetreten. Kontext: Klick auf Hinweistext auf Station N- seite ohne Anmeldung. {@Exception}", p_oException);
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return;
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}
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}
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/// <summary> Returns detailed info about the station (station id).<summary>
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public string StationDetailText { get; private set; }
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/// <summary>
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/// Invoked when page is shown.
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/// Starts update process.
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/// </summary>
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public async Task OnAppearingOrRefresh()
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{
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IsIdle = false;
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IsConnected = IsConnectedDelegate();
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Log.ForContext<BikesAtStationPageViewModel>().Information($"Bikes at station {Station.StationName} is appearing, either due to tap on a station or to app being shown again.");
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ActionText = AppResources.ActivityTextOneMomentPlease;
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// Stop polling before getting bikes info.
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await m_oViewUpdateManager.StopAsync();
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ActionText = AppResources.ActivityTextBikesAtStationGetBikes;
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var bikesAll = await ConnectorFactory(IsConnected).Query.GetBikesAsync(Station?.OperatorUri);
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Exception = bikesAll.Exception; // Update communication error from query for bikes at station.
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var bikesAtStation = bikesAll.Response.GetAtStation(Station.Id);
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var lockIdList = bikesAtStation
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.GetLockIt()
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.Cast<BikeInfo>()
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.Select(x => x.LockInfo)
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.ToList();
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if (LockService is ILocksServiceFake serviceFake)
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{
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serviceFake.UpdateSimulation(bikesAtStation);
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}
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ActionText = AppResources.ActivityTextCheckBluetoothState;
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// Check location permissions.
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if (bikesAtStation.GetLockIt().Count > 0
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&& RuntimePlatform == Device.Android
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)
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{
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var status = await PermissionsService.CheckStatusAsync();
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if (status != Status.Granted)
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{
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var dialogResult = await ViewService.DisplayAlert(
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AppResources.MessageHintTitle,
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AppResources.MessageBikesManagementLocationPermissionOpenDialog,
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AppResources.MessageAnswerYes,
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AppResources.MessageAnswerNo);
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if (!dialogResult)
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{
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// User decided not to give access to locations permissions.
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BikeCollection.Update(bikesAtStation, new List<IStation> { Station });
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await OnAppearing(() => UpdateTask());
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ActionText = string.Empty;
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IsIdle = true;
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return;
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}
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else if (dialogResult)
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{
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// Open permissions dialog.
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PermissionsService.OpenAppSettings();
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}
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}
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if (GeolocationService.IsGeolcationEnabled == false)
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{
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await ViewService.DisplayAlert(
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AppResources.MessageHintTitle,
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AppResources.MessageBikesManagementLocationActivation,
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AppResources.MessageAnswerOk);
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BikeCollection.Update(bikesAtStation, new List<IStation> { Station });
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await OnAppearing(() => UpdateTask());
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ActionText = string.Empty;
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IsIdle = true;
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}
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// Check if bluetooth is activated.
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if (await BluetoothService.GetBluetoothState() != BluetoothState.On)
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{
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await ViewService.DisplayAlert(
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AppResources.MessageHintTitle,
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AppResources.MessageBikesManagementBluetoothActivation,
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AppResources.MessageAnswerOk);
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BikeCollection.Update(bikesAtStation, new List<IStation> { Station });
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await OnAppearing(() => UpdateTask());
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ActionText = string.Empty;
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IsIdle = true;
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return;
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}
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}
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// Connect to bluetooth devices.
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ActionText = AppResources.ActivityTextSearchBikes;
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IEnumerable<LockInfoTdo> locksInfoTdo;
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try
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{
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locksInfoTdo = await LockService.GetLocksStateAsync(
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lockIdList.Select(x => x.ToLockInfoTdo()).ToList(),
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LockService.TimeOut.MultiConnect);
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}
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catch (Exception exception)
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{
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Log.ForContext<BikesAtStationPageViewModel>().Error("Getting bluetooth state failed. {Exception}", exception);
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locksInfoTdo = new List<LockInfoTdo>();
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}
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var locksInfo = lockIdList.UpdateById(locksInfoTdo);
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BikeCollection.Update(bikesAtStation.UpdateLockInfo(locksInfo), new List<IStation> { Station });
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// Backup GUI synchronization context.
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await OnAppearing(() => UpdateTask());
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ActionText = string.Empty;
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IsIdle = true;
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}
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/// <summary> Create task which updates my bike view model.</summary>
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public void UpdateTask()
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{
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PostAction(
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unused =>
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{
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Log.ForContext<BikesAtStationPageViewModel>().Debug("Updating action text...");
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ActionText = AppResources.ActivityTextUpdating;
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IsConnected = IsConnectedDelegate();
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},
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null);
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var result = ConnectorFactory(IsConnected).Query.GetBikesAsync().Result;
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BikeCollection bikes = result.Response.GetAtStation(Station.Id);
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var exception = result.Exception;
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if (exception != null)
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{
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Log.ForContext<BikesAtStationPageViewModel>().Error("Getting all bikes in polling context failed with exception {Exception}.", exception);
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}
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PostAction(
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unused =>
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{
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Log.ForContext<BikesAtStationPageViewModel>().Debug("Updating bikes at station...");
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BikeCollection.Update(bikes, new List<IStation> { Station });
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Exception = result.Exception;
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ActionText = string.Empty;
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},
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null);
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}
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/// <summary>
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/// True if any action can be performed (request and cancel request)
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/// </summary>
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public override bool IsIdle
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{
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get => base.IsIdle;
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set
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{
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if (value == base.IsIdle)
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return;
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Log.ForContext<BikesViewModel>().Debug($"Switch value of {nameof(IsIdle)} to {value}.");
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base.IsIdle = value;
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base.OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsNoBikesAtStationVisible)));
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base.OnPropertyChanged(new PropertyChangedEventArgs(nameof(NoBikesAtStationText)));
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base.OnPropertyChanged(new PropertyChangedEventArgs(nameof(ContactSupportHintText)));
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}
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}
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}
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}
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