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Initial version which supports selecting bike by bike id.

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This commit is contained in:
Oliver Hauff 2021-07-14 20:40:55 +02:00
parent 4394b6964a
commit 892563ac0f
1 changed files with 163 additions and 5 deletions
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168
TINKLib/ViewModel/FindBike/FindBikePageViewModel.cs
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@ -29,6 +29,13 @@ namespace TINK.ViewModel.FindBike
{
public class FindBikePageViewModel : BikesViewModel, INotifyCollectionChanged, INotifyPropertyChanged
{
/// <summary> Text entered by user to specify a bike.</summary>
public string BikeIdUserInput { get; set; }
/// <summary> Holds all bikes available.</summary>
public BikeCollection Bikes { get; set; }
/// <summary>
/// Constructs bike collection view model in case information about occupied bikes is available.
/// </summary>
@ -66,23 +73,174 @@ namespace TINK.ViewModel.FindBike
/// </summary>
public async Task OnAppearing()
{
// Get my bikes from COPRI
Log.ForContext<FindBikePageViewModel>().Information("User request to show page MyBikes/ page re-appearing");
Log.ForContext<FindBikePageViewModel>().Information("User request to show page FindBike- page re-appearing");
ActionText = AppResources.ActivityTextMyBikesLoadingBikes;
var bikes = await ConnectorFactory(IsConnected).Query.GetBikesAsync();
Exception = bikes.Exception; // Update communication error from query for bikes occupied.
BikeIds = bikes.Response.Select(x => x.Id);
Bikes = bikes.Response;
ActionText = "";
IsIdle = true;
}
/// <summary> Command object to bind select bike button to view model. </summary>
public System.Windows.Input.ICommand OnSelectBikeRequest => new Xamarin.Forms.Command(async () => await SelectBike());
public IEnumerable<string> BikeIds { get; set; }
/// <summary> Select a bike by ID</summary>
public async Task SelectBike()
{
var selectedBike = Bikes.FirstOrDefault(x => x.Id == BikeIdUserInput);
if (selectedBike == null)
{
await ViewService.DisplayAlert("Fehler bei Radauswahl!", $"Kein Rad mit Id {BikeIdUserInput} gefunden.", "OK");
return;
}
var bikeCollection = new BikeCollection(new Dictionary<string, Model.Bike.BC.BikeInfo> { { selectedBike.Id, selectedBike } });
var lockIdList = bikeCollection
.GetLockIt()
.Cast<BikeInfo>()
.Select(x => x.LockInfo)
.ToList();
if (LockService is ILocksServiceFake serviceFake)
{
serviceFake.UpdateSimulation(bikeCollection);
}
// Check bluetooth and location permission and states
ActionText = AppResources.ActivityTextCheckBluetoothState;
if (bikeCollection.FirstOrDefault(x => x is BikeInfo btBike) != null
&& RuntimePlatform == Device.Android)
{
// Check location permission
var status = await PermissionsService.CheckPermissionStatusAsync<LocationPermission>();
if (status != PermissionStatus.Granted)
{
var permissionResult = await PermissionsService.RequestPermissionAsync<LocationPermission>();
if (permissionResult != PermissionStatus.Granted)
{
var dialogResult = await ViewService.DisplayAlert(
AppResources.MessageTitleHint,
AppResources.MessageBikesManagementLocationPermissionOpenDialog,
AppResources.MessageAnswerYes,
AppResources.MessageAnswerNo);
if (!dialogResult)
{
// User decided not to give access to locations permissions.
BikeCollection.Update(bikeCollection);
//await OnAppearing(() => UpdateTask());
ActionText = "";
IsIdle = true;
return;
}
// Open permissions dialog.
PermissionsService.OpenAppSettings();
}
}
// Location state
if (Geolocation.IsGeolcationEnabled == false)
{
await ViewService.DisplayAlert(
AppResources.MessageTitleHint,
AppResources.MessageBikesManagementLocationActivation,
AppResources.MessageAnswerOk);
BikeCollection.Update(bikeCollection);
await OnAppearing(() => UpdateTask());
ActionText = "";
IsIdle = true;
return;
}
// Bluetooth state
if (await BluetoothService.GetBluetoothState() != BluetoothState.On)
{
await ViewService.DisplayAlert(
AppResources.MessageTitleHint,
AppResources.MessageBikesManagementBluetoothActivation,
AppResources.MessageAnswerOk);
BikeCollection.Update(bikeCollection);
await OnAppearing(() => UpdateTask());
ActionText = "";
IsIdle = true;
return;
}
}
// Connect to bluetooth devices.
ActionText = AppResources.ActivityTextSearchBikes;
IEnumerable<LockInfoTdo> locksInfoTdo;
try
{
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>();
}
var locksInfo = lockIdList.UpdateById(locksInfoTdo);
BikeCollection.Update(bikeCollection.UpdateLockInfo(locksInfo));
await OnAppearing(() => UpdateTask());
ActionText = "";
IsIdle = true;
}
/// <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.GetBikesOccupiedAsync().Result;
var bikes = result.Response;
var exception = result.Exception;
if (exception != null)
{
Log.ForContext<FindBikePageViewModel>().Error("Getting bikes occupied in polling context failed with exception {Exception}.", exception);
}
PostAction(
unused =>
{
BikeCollection.Update(bikes); // Updating collection leads to update of GUI.
Exception = result.Exception;
ActionText = string.Empty;
},
null);
}
}
}