sharee.bike-App/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Disposable.cs
Anja Müller-Meißner 0468955d49 Version 3.0.338
2022-09-08 09:55:14 +02:00

114 lines
4.6 KiB
C#

using System;
using System.Threading.Tasks;
using Serilog;
using TINK.Model.Connector;
using TINK.Model.Device;
using TINK.Model.State;
using TINK.Model.User;
using TINK.MultilingualResources;
using TINK.Repository.Exception;
using TINK.View;
using BikeInfoMutable = TINK.Model.Bikes.BikeInfoNS.BC.BikeInfoMutable;
namespace TINK.ViewModel.Bikes.Bike.BC.RequestHandler
{
/// <param name="smartDevice">Provides info about the smart device (phone, tablet, ...)</param>
/// <param name="bikesViewModel">View model to be used for progress report and unlocking/ locking view.</param>
public class Disposable : Base<BikeInfoMutable>, IRequestHandler
{
public Disposable(
BikeInfoMutable selectedBike,
Func<bool> isConnectedDelegate,
Func<bool, IConnector> connectorFactory,
Func<IPollingUpdateTaskManager> viewUpdateManager,
ISmartDevice smartDevice,
IViewService viewService,
IBikesViewModel bikesViewModel,
IUser activeUser) : base(selectedBike, selectedBike.State.Value.GetActionText(), true, isConnectedDelegate, connectorFactory, viewUpdateManager, smartDevice, viewService, bikesViewModel, activeUser)
{
}
/// <summary> Request bike. </summary>
public async Task<IRequestHandler> HandleRequest()
{
// Lock list to avoid multiple taps while copri action is pending.
BikesViewModel.ActionText = AppResources.ActivityTextOneMomentPlease;
BikesViewModel.IsIdle = false;
var l_oResult = await ViewService.DisplayAlert(
string.Empty,
string.Format(AppResources.QuestionReserveBike, SelectedBike.GetFullDisplayName(), StateRequestedInfo.MaximumReserveTime.Minutes),
AppResources.MessageAnswerYes,
AppResources.MessageAnswerNo);
if (l_oResult == false)
{
// User aborted booking process
Log.ForContext<Disposable>().Information("User selected availalbe bike {l_oId} in order to reserve but action was canceled.", SelectedBike.Id);
BikesViewModel.IsIdle = true;
return this;
}
BikesViewModel.ActionText = AppResources.ActivityTextOneMomentPlease;
// Stop polling before requesting bike.
await ViewUpdateManager().StopUpdatePeridically();
IsConnected = IsConnectedDelegate();
try
{
await ConnectorFactory(IsConnected).Command.DoReserve(SelectedBike);
}
catch (Exception l_oException)
{
if (l_oException is BookingDeclinedException)
{
// Too many bikes booked.
Log.ForContext<Disposable>().Information("Request declined because maximum count of bikes {l_oException.MaxBikesCount} already requested/ booked.", (l_oException as BookingDeclinedException).MaxBikesCount);
BikesViewModel.ActionText = string.Empty;
await ViewService.DisplayAlert(
AppResources.MessageTitleHint,
string.Format(AppResources.MessageReservationBikeErrorTooManyReservationsRentals, SelectedBike.Id, (l_oException as BookingDeclinedException).MaxBikesCount),
AppResources.MessageAnswerOk);
}
else if (l_oException is WebConnectFailureException)
{
// Copri server is not reachable.
Log.ForContext<Disposable>().Information("User selected availalbe bike {l_oId} but reserving failed (Copri server not reachable).", SelectedBike.Id);
BikesViewModel.ActionText = string.Empty;
await ViewService.DisplayAlert(
AppResources.MessageReservingBikeErrorConnectionTitle,
string.Format("{0}\r\n{1}", l_oException.Message, WebConnectFailureException.GetHintToPossibleExceptionsReasons),
AppResources.MessageAnswerOk);
}
else
{
Log.ForContext<Disposable>().Error("User selected availalbe bike {l_oId} but reserving failed. {@l_oException}", SelectedBike.Id, l_oException);
BikesViewModel.ActionText = string.Empty;
await ViewService.DisplayAlert(AppResources.MessageReservingBikeErrorGeneralTitle, l_oException.Message, AppResources.MessageAnswerOk);
}
BikesViewModel.ActionText = string.Empty; // Todo: Remove this statement because in catch block ActionText is already set to empty above.
BikesViewModel.IsIdle = true;
return this;
}
finally
{
// Restart polling again.
await ViewUpdateManager().StartUpdateAyncPeridically();
// Update status text and unlock list of bikes because no more action is pending.
BikesViewModel.ActionText = string.Empty; // Todo: Move this statement in front of finally block because in catch block ActionText is already set to empty.
BikesViewModel.IsIdle = true;
}
Log.ForContext<Disposable>().Information("User reserved bike {l_oId} successfully.", SelectedBike.Id);
return RequestHandlerFactory.Create(SelectedBike, IsConnectedDelegate, ConnectorFactory, ViewUpdateManager, SmartDevice, ViewService, BikesViewModel, ActiveUser);
}
}
}