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

116 lines
4.5 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.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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public class Reserved : Base<BikeInfoMutable>, IRequestHandler
{
/// <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 Reserved(
BikeInfoMutable selectedBike,
Func<bool> isConnectedDelegate,
Func<bool, IConnector> connectorFactory,
Func<IPollingUpdateTaskManager> viewUpdateManager,
ISmartDevice smartDevice,
IViewService viewService,
IBikesViewModel bikesViewModel,
IUser activeUser) : base(selectedBike, AppResources.ActionCancelRequest, true, isConnectedDelegate, connectorFactory, viewUpdateManager, smartDevice, viewService, bikesViewModel, activeUser)
{
}
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/// <summary> Executes user request to cancel reservation. </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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BikesViewModel.ActionText = string.Empty;
var l_oResult = await ViewService.DisplayAlert(
string.Empty,
string.Format("Reservierung für Fahrrad {0} aufheben?", SelectedBike.GetFullDisplayName()),
"Ja",
"Nein");
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if (l_oResult == false)
{
// User aborted cancel process
Log.ForContext<Reserved>().Information("User selected reserved bike {l_oId} in order to cancel reservation but action was canceled.", SelectedBike.Id);
BikesViewModel.IsIdle = true;
return this;
}
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BikesViewModel.ActionText = AppResources.ActivityTextOneMomentPlease;
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// Stop polling before cancel request.
await ViewUpdateManager().StopUpdatePeridically();
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try
{
IsConnected = IsConnectedDelegate();
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await ConnectorFactory(IsConnected).Command.DoCancelReservation(SelectedBike);
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// If canceling bike succeeds remove bike because it is not ready to be booked again
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IsRemoveBikeRequired = true;
}
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catch (Exception exception)
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{
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if (exception is InvalidAuthorizationResponseException)
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{
// Copri response is invalid.
Log.ForContext<Reserved>().Error("User selected reserved bike {l_oId} but canceling reservation failed (Invalid auth. response).", SelectedBike.Id);
BikesViewModel.ActionText = String.Empty;
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await ViewService.DisplayAlert("Fehler beim Stornieren der Buchung!", exception.Message, "OK");
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BikesViewModel.IsIdle = true;
return this;
}
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else if (exception is WebConnectFailureException
|| exception is RequestNotCachableException)
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{
// Copri server is not reachable.
Log.ForContext<Reserved>().Information("User selected reserved bike {l_oId} but cancel reservation failed (Copri server not reachable).", SelectedBike.Id);
BikesViewModel.ActionText = String.Empty;
await ViewService.DisplayAlert(
"Verbingungsfehler beim Stornieren der Buchung!",
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string.Format("{0}\r\n{1}", exception.Message, WebConnectFailureException.GetHintToPossibleExceptionsReasons),
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"OK");
BikesViewModel.IsIdle = true;
return this;
}
else
{
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Log.ForContext<Reserved>().Error("User selected reserved bike {l_oId} but cancel reservation failed. {@l_oException}.", SelectedBike.Id, exception);
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BikesViewModel.ActionText = String.Empty;
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await ViewService.DisplayAlert("Fehler beim Stornieren der Buchung!", exception.Message, "OK");
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BikesViewModel.IsIdle = true;
return this;
}
}
finally
{
// Restart polling again.
await ViewUpdateManager().StartUpdateAyncPeridically();
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// 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.
}
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Log.ForContext<Reserved>().Information("User canceled reservation of bike {l_oId} successfully.", SelectedBike.Id);
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BikesViewModel.IsIdle = true;
return RequestHandlerFactory.Create(SelectedBike, IsConnectedDelegate, ConnectorFactory, ViewUpdateManager, SmartDevice, ViewService, BikesViewModel, ActiveUser);
}
}
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}