sharee.bike-App/TINKLib/ViewModel/FindBike/FindBikePageViewModel.cs

528 lines
16 KiB
C#
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using System;
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using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
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using System.Linq;
using System.Threading;
using System.Threading.Tasks;
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using Plugin.BLE.Abstractions.Contracts;
using Serilog;
using TINK.Model;
using TINK.Model.Bikes;
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using TINK.Model.Bikes.BikeInfoNS.BikeNS;
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using TINK.Model.Bikes.BikeInfoNS.BluetoothLock;
using TINK.Model.Connector;
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using TINK.Model.Device;
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using TINK.Model.Services.CopriApi;
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using TINK.Model.Stations.StationNS;
using TINK.Model.User;
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using TINK.MultilingualResources;
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using TINK.Repository.Exception;
using TINK.Services.BluetoothLock;
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;
using TINK.View;
using TINK.ViewModel.Bikes;
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using TINK.ViewModel.Map;
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using Xamarin.Forms;
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using Command = Xamarin.Forms.Command;
namespace TINK.ViewModel.FindBike
{
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public class FindBikePageViewModel : BikesViewModel, INotifyCollectionChanged, INotifyPropertyChanged
{
private string bikeIdUserInput = string.Empty;
/// <summary> Text entered by user to specify a bike.</summary>
public string BikeIdUserInput
{
get => bikeIdUserInput;
set
{
if (value == bikeIdUserInput)
{
return;
}
bikeIdUserInput = value;
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base.OnPropertyChanged(new PropertyChangedEventArgs(nameof(BikeIdUserInput)));
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base.OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsSelectBikeEnabled)));
}
}
/// <summary>
/// True if any action can be performed (request and cancel request)
/// </summary>
public override bool IsIdle
{
get => base.IsIdle;
set
{
if (value == IsIdle)
return;
Log.ForContext<FindBikePageViewModel>().Debug($"Switch value of {nameof(IsIdle)} to {value}.");
base.IsIdle = value;
OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsSelectBikeEnabled))); // Enable select bike button.
}
}
/// <summary> Holds all bikes available.</summary>
public BikeCollection Bikes { get; set; }
/// <summary> Do not allow to select bike if id is not set.</summary>
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public bool IsSelectBikeEnabled => IsIdle && BikeIdUserInput != null && BikeIdUserInput.Length > 1 && BikeIdUserInput.Any(x => char.IsLetter(x)) && BikeIdUserInput.Any(x => char.IsDigit(x));
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/// <summary> Hide id input fields as soon as bike is found.</summary>
public bool IsSelectBikeVisible => BikeCollection != null && BikeCollection.Count == 0;
/// <summary> Holds the stations to get station names form station ids. </summary>
private IEnumerable<IStation> Stations { get; }
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/// <summary> Reference on the tink app instance. </summary>
private ITinkApp TinkApp { get; }
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/// <summary>
/// True if ListView of Bikes is refreshing after user pulled;
/// </summary>
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private bool isRefreshing = false;
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public bool IsRefreshing
{
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get { return isRefreshing; }
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set
{
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isRefreshing = value;
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OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsRefreshing)));
}
}
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/// <summary>
/// Holds what should be executed on pull to refresh
/// </summary>
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public Command RefreshCommand { get; }
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public Command ShowFilterBikeTypeInfoCommand { get; private set; }
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/// <summary>
/// Constructs bike collection view model in case information about occupied bikes is available.
/// </summary>
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/// <param name="user">Mail address of active user.</param>
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/// <param name="isReportLevelVerbose">True if report level is verbose, false if not.</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>
/// <param name="runtimPlatform">Specifies on which platform code is run.</param>
/// <param name="isConnectedDelegate">Returns if mobile is connected to web or not.</param>
/// <param name="connectorFactory">Connects system to copri.</param>
/// <param name="lockService">Service to control lock retrieve info.</param>
/// <param name="stations">Stations to get station name from station id.</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="postAction">Executes actions on GUI thread.</param>
/// <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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/// <param name="openUrlInBrowser">Delegate to open browser.</param>
public FindBikePageViewModel(
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User user,
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ITinkApp tinkApp,
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ILocationPermission permissions,
IBluetoothLE bluetoothLE,
string runtimPlatform,
Func<bool> isConnectedDelegate,
Func<bool, IConnector> connectorFactory,
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IGeolocationService geolocation,
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ILocksService lockService,
IEnumerable<IStation> stations,
PollingParameters polling,
Action<SendOrPostCallback, object> postAction,
ISmartDevice smartDevice,
IViewService viewService,
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Action<string> openUrlInBrowser) : base(user, new ViewContext(PageContext.FindBike), permissions, bluetoothLE, runtimPlatform, isConnectedDelegate, connectorFactory, geolocation, lockService, polling, postAction, smartDevice, viewService, openUrlInBrowser, () => new MyBikeInUseStateInfoProvider())
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{
CollectionChanged += (sender, eventargs) =>
{
OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsSelectBikeVisible)));
};
Stations = stations ?? throw new ArgumentException(nameof(stations));
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TinkApp = tinkApp
?? throw new ArgumentException("Can not instantiate settings page view model- object. No tink app object available.");
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RefreshCommand = new Command(async () => {
IsRefreshing = false;
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await SelectBike();
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});
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ShowFilterBikeTypeInfoCommand = new Xamarin.Forms.Command(async () => {
await ViewService.DisplayAlert(
AppResources.MessageBikeTypeInfoTitle,
AppResources.MessageBikeTypeInfoText,
AppResources.MessageAnswerOk);
});
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}
/// <summary>
/// Invoked when page is shown.
/// Starts update process.
/// </summary>
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public async Task OnAppearingOrRefresh()
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{
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IsIdle = false;
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Log.ForContext<FindBikePageViewModel>().Information("User request to show page FindBike- page re-appearing");
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IsConnected = IsConnectedDelegate();
// Stop polling before getting bikes info.
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await m_oViewUpdateManager.StopAsync();
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if (string.IsNullOrEmpty(BikeIdUserInput) /* Find bike page flyout was taped */
&& BikeCollection.Count > 0 /* Bike was successfully selected */)
{
// Find bike page flyout was taped and page was already opened before and bike has been selected.
// Clear bike collection to allow user to enter bike id and search for bike.
BikeCollection.Clear();
}
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if (BikeCollection.Count > 0)
{
// Page is appearing not because page flyout was taped.
// Bike has already been selected.
// Restart update.
await StartUpdateTask(() => UpdateTask());
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ActionText = string.Empty;
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IsIdle = true;
return;
}
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ActionText = string.Empty;
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IsIdle = true;
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var result = await ConnectorFactory(IsConnected).Query.GetBikesAsync();
var bikes = result.Response;
var exception = result.Exception;
if (exception != null)
{
Log.ForContext<MapPageViewModel>().Error("Getting bikes in polling context failed with exception {Exception}.", exception);
}
// Get Active Filtered BikeType
GetActiveFilteredBikeType(bikes);
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}
/// <summary> Command object to bind select bike button to view model. </summary>
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public System.Windows.Input.ICommand OnSelectBikeRequest => new Xamarin.Forms.Command(async () => await SelectBike());
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/// <summary> Select a bike by ID</summary>
public async Task SelectBike()
{
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if (!IsSelectBikeEnabled)
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{
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await ViewService.DisplayAlert(
String.Empty,
AppResources.ErrorSelectBikeInputNotSufficent,
AppResources.MessageAnswerOk);
return;
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}
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else
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{
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// Get List of bike to be able to connect to.
ActionText = AppResources.ActivityTextFindBikeLoadingBikes;
IsIdle = false;
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IsConnected = IsConnectedDelegate();
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Result<BikeCollection> bikes = null;
try
{
bikes = await ConnectorFactory(IsConnected).Query.GetBikesAsync();
}
catch (Exception exception)
{
if (exception is WebConnectFailureException)
{
// Copri server is not reachable.
Log.ForContext<FindBikePageViewModel>().Information("Getting bikes failed (Copri server not reachable).");
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await ViewService.DisplayAlert(
AppResources.ErrorSelectBikeTitle,
AppResources.ErrorNoWeb,
AppResources.MessageAnswerOk);
}
else
{
Log.ForContext<FindBikePageViewModel>().Error("Getting bikes failed. {Exception}", exception);
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await ViewService.DisplayAlert(
AppResources.ErrorSelectBikeTitle,
exception.Message,
AppResources.MessageAnswerOk);
}
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ActionText = string.Empty;
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IsIdle = true;
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return;
}
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finally
{
Exception = bikes?.Exception ?? null; // Update communication error from query for bikes occupied.
Bikes = bikes.Response;
}
try
{
var selectedBike = Bikes.FirstOrDefault(x => x.Id.Equals(BikeIdUserInput.Trim(), StringComparison.OrdinalIgnoreCase));
if (selectedBike == null)
{
await ViewService.DisplayAlert(
AppResources.ErrorSelectBikeTitle,
TinkApp.Flavor == AppFlavor.MeinKonrad
? $"{string.Format(AppResources.ErrorSelectBikeNoBikeFound, BikeIdUserInput)}\r\n\r\n{string.Format(AppResources.ErrorSelectBikeNoBikeFoundBikeTypeHint, ActiveFilteredBikeType)}"
: string.Format(AppResources.ErrorSelectBikeNoBikeFound, BikeIdUserInput),
AppResources.MessageAnswerOk);
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ActionText = string.Empty;
IsIdle = true;
return;
}
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var bikeCollection = new BikeCollection(new Dictionary<string, Model.Bikes.BikeInfoNS.BC.BikeInfo> { { selectedBike.Id, selectedBike } });
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var lockIdList = bikeCollection
.GetLockIt()
.Cast<BikeInfo>()
.Select(x => x.LockInfo)
.ToList();
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if (LockService is ILocksServiceFake serviceFake)
{
serviceFake.UpdateSimulation(bikeCollection);
}
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// Check bluetooth and location permission and states
ActionText = AppResources.ActivityTextCheckBluetoothState;
if (bikeCollection.FirstOrDefault(x => x is BikeInfo btBike) != null
//&& RuntimePlatform == Device.Android
)
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{
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// Check location permission
var status = await PermissionsService.CheckStatusAsync();
if (status != Status.Granted)
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{
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if (RuntimePlatform == Device.Android)
{
var permissionResult = await PermissionsService.RequestAsync();
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if (permissionResult != Status.Granted)
{
var dialogResult = await ViewService.DisplayAlert(
AppResources.MessageHintTitle,
AppResources.MessageBikesManagementLocationPermissionOpenDialog,
AppResources.MessageAnswerYes,
AppResources.MessageAnswerNo);
if (!dialogResult)
{
// User decided not to give access to locations permissions.
BikeCollection.Update(bikeCollection, Stations);
await StartUpdateTask(() => UpdateTask());
ActionText = string.Empty;
IsIdle = true;
return;
}
// Open permissions dialog.
PermissionsService.OpenAppSettings();
}
}
else
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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,
AppResources.MessageAnswerYes,
AppResources.MessageAnswerNo);
if (!dialogResult)
{
// User decided not to give access to locations permissions.
BikeCollection.Update(bikeCollection, Stations);
await StartUpdateTask(() => UpdateTask());
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ActionText = string.Empty;
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IsIdle = true;
return;
}
// Open permissions dialog.
PermissionsService.OpenAppSettings();
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}
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}
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// Location state
if (GeolocationService.IsGeolcationEnabled == false)
{
await ViewService.DisplayAlert(
AppResources.MessageHintTitle,
AppResources.MessageBikesManagementLocationActivation,
AppResources.MessageAnswerOk);
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BikeCollection.Update(bikeCollection, Stations);
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await StartUpdateTask(() => UpdateTask());
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ActionText = string.Empty;
IsIdle = true;
return;
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}
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// Bluetooth state
if (await BluetoothService.GetBluetoothState() != BluetoothState.On)
{
await ViewService.DisplayAlert(
AppResources.MessageHintTitle,
AppResources.MessageBikesManagementBluetoothActivation,
AppResources.MessageAnswerOk);
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BikeCollection.Update(bikeCollection, Stations);
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await StartUpdateTask(() => UpdateTask());
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ActionText = string.Empty;
IsIdle = true;
return;
}
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}
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// Connect to bluetooth devices.
ActionText = AppResources.ActivityTextSearchBikes;
IEnumerable<LockInfoTdo> locksInfoTdo;
try
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{
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locksInfoTdo = await LockService.GetLocksStateAsync(
lockIdList.Select(x => x.ToLockInfoTdo()).ToList(),
LockService.TimeOut.MultiConnect);
}
catch (Exception exception)
{
Log.ForContext<FindBikePageViewModel>().Error("Getting bluetooth state failed. {Exception}", exception);
locksInfoTdo = new List<LockInfoTdo>();
}
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var locksInfo = lockIdList.UpdateById(locksInfoTdo);
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BikeCollection.Update(bikeCollection.UpdateLockInfo(locksInfo), Stations);
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await StartUpdateTask(() => UpdateTask());
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ActionText = string.Empty;
IsIdle = true;
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}
catch (Exception exception)
{
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await ViewService.DisplayAlert(
AppResources.ErrorSelectBikeTitle,
exception.Message,
AppResources.MessageAnswerOk);
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Log.ForContext<FindBikePageViewModel>().Error("Running command to select bike failed. {Exception}", exception);
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ActionText = string.Empty;
IsIdle = true;
return;
}
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}
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}
/// <summary> Create task which updates my bike view model.</summary>
private void UpdateTask()
{
// Start task which periodically updates pins.
PostAction(
unused =>
{
ActionText = AppResources.ActivityTextUpdating;
IsConnected = IsConnectedDelegate();
},
null);
var result = ConnectorFactory(IsConnected).Query.GetBikesAsync().Result;
var bikes = result.Response;
var exception = result.Exception;
if (exception != null)
{
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Log.ForContext<FindBikePageViewModel>().Error("Getting bikes in polling context failed with exception {Exception}.", exception);
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}
var selectedBike = bikes.FirstOrDefault(x => x.Id.Equals(BikeIdUserInput.Trim(), StringComparison.OrdinalIgnoreCase));
bikes = selectedBike != null
? new BikeCollection(new Dictionary<string, Model.Bikes.BikeInfoNS.BC.BikeInfo> { { selectedBike.Id, selectedBike } })
: new BikeCollection();
PostAction(
unused =>
{
BikeCollection.Update(bikes, Stations); // Updating collection leads to update of GUI.
Exception = result.Exception;
ActionText = string.Empty;
},
null);
}
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private string activeFilteredBikeType = string.Empty;
/// <summary>
/// Selected Bike Type in MapFilter
/// </summary>
public string ActiveFilteredBikeType
{
get { return activeFilteredBikeType; }
set
{
if (value == activeFilteredBikeType)
{
return;
}
activeFilteredBikeType = value;
OnPropertyChanged(new PropertyChangedEventArgs(nameof(ActiveFilteredBikeType)));
}
}
/// <summary>
/// Get Selected Bike Type in MapFilter
/// </summary>
public void GetActiveFilteredBikeType(BikeCollection bikesAll)
{
Log.ForContext<FindBikePageViewModel>().Debug($"Bike type of active filter is extracted.");
if (bikesAll != null)
{
var firstOrDefaultBikeType = bikesAll.FirstOrDefault().TypeOfBike;
if(firstOrDefaultBikeType == TypeOfBike.Cargo)
{
ActiveFilteredBikeType = AppResources.MarkingCargoBike;
}
else if(firstOrDefaultBikeType == TypeOfBike.City)
{
ActiveFilteredBikeType = AppResources.MarkingCityBike;
}
}
}
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}
}