sharee.bike-App/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Disposable.cs

120 lines
4.7 KiB
C#
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using System;
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using System.Threading.Tasks;
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using Serilog;
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using TINK.Model.Connector;
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using TINK.Model.Device;
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using TINK.Model.State;
using TINK.Model.User;
using TINK.MultilingualResources;
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using TINK.Repository.Exception;
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using TINK.Services.CopriApi.Exception;
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using TINK.View;
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using BikeInfoMutable = TINK.Model.Bikes.BikeInfoNS.BC.BikeInfoMutable;
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namespace TINK.ViewModel.Bikes.Bike.BC.RequestHandler
{
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/// <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;
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var l_oResult = await ViewService.DisplayAlert(
string.Empty,
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string.Format(
AppResources.QuestionReserveBike,
SelectedBike.GetFullDisplayName(),
SelectedBike.TariffDescription?.MaxReservationTimeSpan.TotalMinutes ?? 0),
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AppResources.MessageAnswerYes,
AppResources.MessageAnswerNo);
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if (l_oResult == false)
{
// User aborted booking process
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Log.ForContext<Disposable>().Information("User selected centered bike {l_oId} in order to reserve but action was canceled.", SelectedBike.Id);
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BikesViewModel.IsIdle = true;
return this;
}
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BikesViewModel.ActionText = AppResources.ActivityTextOneMomentPlease;
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// Stop polling before requesting bike.
await ViewUpdateManager().StopUpdatePeridically();
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IsConnected = IsConnectedDelegate();
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try
{
await ConnectorFactory(IsConnected).Command.DoReserve(SelectedBike);
}
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catch (Exception exception)
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{
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if (exception is BookingDeclinedException)
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{
// Too many bikes booked.
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Log.ForContext<Disposable>().Information("Request declined because maximum count of bikes {l_oException.MaxBikesCount} already requested/ booked.", (exception as BookingDeclinedException).MaxBikesCount);
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BikesViewModel.ActionText = string.Empty;
await ViewService.DisplayAlert(
AppResources.MessageTitleHint,
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string.Format(AppResources.MessageReservationBikeErrorTooManyReservationsRentals, SelectedBike.Id, (exception as BookingDeclinedException).MaxBikesCount),
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AppResources.MessageAnswerOk);
}
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else if (exception is WebConnectFailureException
|| exception is RequestNotCachableException)
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{
// Copri server is not reachable.
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Log.ForContext<Disposable>().Information("User selected centered bike {l_oId} but reserving failed (Copri server not reachable).", SelectedBike.Id);
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BikesViewModel.ActionText = string.Empty;
await ViewService.DisplayAlert(
AppResources.MessageReservingBikeErrorConnectionTitle,
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string.Format("{0}\r\n{1}", exception.Message, WebConnectFailureException.GetHintToPossibleExceptionsReasons),
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AppResources.MessageAnswerOk);
}
else
{
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Log.ForContext<Disposable>().Error("User selected centered bike {l_oId} but reserving failed. {@l_oException}", SelectedBike.Id, exception);
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BikesViewModel.ActionText = string.Empty;
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await ViewService.DisplayAlert(AppResources.MessageReservingBikeErrorGeneralTitle, exception.Message, AppResources.MessageAnswerOk);
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}
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BikesViewModel.ActionText = string.Empty; // Todo: Remove this statement because in catch block ActionText is already set to empty above.
BikesViewModel.IsIdle = true;
return this;
}
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finally
{
// Restart polling again.
await ViewUpdateManager().StartUpdateAyncPeridically();
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// 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;
}
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Log.ForContext<Disposable>().Information("User reserved bike {l_oId} successfully.", SelectedBike.Id);
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return RequestHandlerFactory.Create(SelectedBike, IsConnectedDelegate, ConnectorFactory, ViewUpdateManager, SmartDevice, ViewService, BikesViewModel, ActiveUser);
}
}
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}