sharee.bike-App/TINKLib/ViewModel/Bikes/Bike/CopriLock/RequestHandler/ReservedClosed.cs

using Serilog;
using System;
using System.Threading.Tasks;
using TINK.Model.Connector;
using TINK.Repository.Exception;
using TINK.Model.State;
using TINK.View;
using TINK.MultilingualResources;
using TINK.Model.User;
using TINK.Model.Device;
using TINK.Model.Bikes.Bike.CopriLock;
using TINK.Services.CopriLock.Exception;

namespace TINK.ViewModel.Bikes.Bike.CopriLock.RequestHandler
{
    using IRequestHandler = BluetoothLock.IRequestHandler;

    /// <summary> Bike is reserved, lock is closed and and connected to app. </summary>
    /// <remarks> 
    /// Occures when 
    /// - biks was reserved out of reach and is in reach now
    /// - bike is is reserved while in reach
    /// </remarks>
    public class ReservedClosed : Base, 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 ReservedClosed(
           IBikeInfoMutable selectedBike,
           Func<bool> isConnectedDelegate,
           Func<bool, IConnector> connectorFactory,
           Services.Geolocation.IGeolocation geolocation,
           Func<IPollingUpdateTaskManager> viewUpdateManager,
           ISmartDevice smartDevice,
           IViewService viewService,
           IBikesViewModel bikesViewModel,
           IUser activeUser) : base(
               selectedBike,
               AppResources.ActionCancelRequest, // Copri button text: "Reservierung abbrechen"
               true, // Show button to enable canceling reservation.
               isConnectedDelegate,
               connectorFactory,
               geolocation,
               viewUpdateManager,
               smartDevice,
               viewService,
               bikesViewModel,
               activeUser)
        {
            LockitButtonText = AppResources.ActionOpenAndBook; // Button text: "Schloss öffnen & Rad mieten"
            IsLockitButtonVisible = true; // Show "Öffnen" button to enable unlocking
        }

        /// <summary> Gets the bike state. </summary>
        public override InUseStateEnum State => InUseStateEnum.Reserved;

        /// <summary> Cancel reservation. </summary>
        public async Task<IRequestHandler> HandleRequestOption1() => await CancelReservation();

        /// <summary> Open lock and book bike. </summary>
        public async Task<IRequestHandler> HandleRequestOption2() => await OpenLockAndDoBook();

        /// <summary> Cancel reservation. </summary>
        public async Task<IRequestHandler> CancelReservation()
        {
            BikesViewModel.IsIdle = false; // Lock list to avoid multiple taps while copri action is pending.

            var l_oResult = await ViewService.DisplayAlert(
                string.Empty,
                string.Format(AppResources.QuestionCancelReservation, SelectedBike.GetFullDisplayName()),
                AppResources.QuestionAnswerYes,
                AppResources.QuestionAnswerNo);

            if (l_oResult == false)
            {
                // User aborted cancel process
                Log.ForContext<ReservedClosed>().Information("User selected reserved bike {l_oId} in order to cancel reservation but action was canceled.", SelectedBike.Id);
                BikesViewModel.IsIdle = true;
                return this;
            }

            Log.ForContext<ReservedClosed>().Information("User selected reserved bike {l_oId} in order to cancel reservation.", SelectedBike.Id);

            // Stop polling before cancel request.
            BikesViewModel.ActionText = AppResources.ActivityTextOneMomentPlease;
            await ViewUpdateManager().StopUpdatePeridically();

            BikesViewModel.ActionText = AppResources.ActivityTextCancelingReservation;
            IsConnected = IsConnectedDelegate();
            try
            {
                await ConnectorFactory(IsConnected).Command.DoCancelReservation(SelectedBike);

                // If canceling bike succedes remove bike because it is not ready to be booked again
                IsRemoveBikeRequired = true;
            }
            catch (Exception l_oException)
            {
                BikesViewModel.ActionText = string.Empty;

                if (l_oException is InvalidAuthorizationResponseException)
                {
                    // Copri response is invalid.
                    Log.ForContext<BikesViewModel>().Error("User selected reserved bike {l_oId} but canceling reservation failed (Invalid auth. response).", SelectedBike.Id);

                    await ViewService.DisplayAlert(
                        "Fehler beim Aufheben der Reservierung!",
                        l_oException.Message,
                        "OK");
                }
                else if (l_oException is WebConnectFailureException)
                {
                    // Copri server is not reachable.
                    Log.ForContext<BikesViewModel>().Information("User selected reserved bike {l_oId} but cancel reservation failed (Copri server not reachable).", SelectedBike.Id);
                    await ViewService.DisplayAlert(
                        "Verbingungsfehler beim Aufheben der Reservierung!",
                        string.Format("{0}\r\n{1}", l_oException.Message, WebConnectFailureException.GetHintToPossibleExceptionsReasons),
                        "OK");
                }
                else
                {
                    Log.ForContext<BikesViewModel>().Error("User selected reserved bike {l_oId} but cancel reservation failed. {@l_oException}.", SelectedBike.Id, l_oException);
                    await ViewService.DisplayAlert(
                        "Fehler beim Aufheben der Reservierung!",
                        l_oException.Message,
                        "OK");
                }

                BikesViewModel.ActionText = AppResources.ActivityTextStartingUpdater;
                await ViewUpdateManager().StartUpdateAyncPeridically(); // Restart polling again.            
                BikesViewModel.ActionText = "";
                BikesViewModel.IsIdle = true; // Unlock GUI                
                return RequestHandlerFactory.Create(SelectedBike, IsConnectedDelegate, ConnectorFactory, Geolocation, ViewUpdateManager, SmartDevice, ViewService, BikesViewModel, ActiveUser);
            }

            Log.ForContext<BikesViewModel>().Information("User canceled reservation of bike {l_oId} successfully.", SelectedBike.Id);


            BikesViewModel.ActionText = AppResources.ActivityTextStartingUpdater;
            await ViewUpdateManager().StartUpdateAyncPeridically(); // Restart polling again.            
            BikesViewModel.ActionText = string.Empty;
            BikesViewModel.IsIdle = true; // Unlock GUI
            return RequestHandlerFactory.Create(SelectedBike, IsConnectedDelegate, ConnectorFactory, Geolocation, ViewUpdateManager, SmartDevice, ViewService, BikesViewModel, ActiveUser);
        }

        /// <summary> Open lock and book bike. </summary>
        public async Task<IRequestHandler> OpenLockAndDoBook()
        {
            BikesViewModel.IsIdle = false;

            // Ask whether to really book bike?
            var l_oResult = await ViewService.DisplayAlert(
                string.Empty,
                string.Format(AppResources.QuestionOpenLockAndBookBike, SelectedBike.GetFullDisplayName()),
                AppResources.MessageAnswerYes,
                AppResources.MessageAnswerNo);

            if (l_oResult == false)
            {
                // User aborted booking process
                Log.ForContext<ReservedClosed>().Information("User selected requested bike {bike} in order to book but action was canceled.", SelectedBike);
                BikesViewModel.IsIdle = true;
                return this;
            }

            Log.ForContext<ReservedClosed>().Information("User selected requested bike {bike} in order to book but action was canceled.", SelectedBike);

            // Stop polling before cancel request.
            BikesViewModel.ActionText = AppResources.ActivityTextOneMomentPlease;
            await ViewUpdateManager().StopUpdatePeridically();

            // Book bike prior to opening lock.
            BikesViewModel.ActionText = AppResources.ActivityTextRentingBike;
            IsConnected = IsConnectedDelegate();
            try
            {
                await ConnectorFactory(IsConnected).Command.BookAndOpenAync(SelectedBike);
            }
            catch (Exception l_oException)
            {
                BikesViewModel.ActionText = string.Empty;

                if (l_oException is WebConnectFailureException)
                {
                    // Copri server is not reachable.
                    Log.ForContext<ReservedClosed>().Information("User selected requested bike {l_oId} but booking failed (Copri server not reachable).", SelectedBike.Id);

                    await ViewService.DisplayAdvancedAlert(
                        AppResources.MessageRentingBikeErrorConnectionTitle,
                        WebConnectFailureException.GetHintToPossibleExceptionsReasons,
                        l_oException.Message,
                        AppResources.MessageAnswerOk);
                }
                else
                {
                    Log.ForContext<ReservedClosed>().Error("User selected requested bike {l_oId} but reserving failed. {@l_oException}", SelectedBike.Id, l_oException);

                    await ViewService.DisplayAdvancedAlert(
                        AppResources.MessageRentingBikeErrorGeneralTitle,
                        string.Empty,
                        l_oException.Message,
                        AppResources.MessageAnswerOk);
                }

                BikesViewModel.ActionText = AppResources.ActivityTextStartingUpdater;
                await ViewUpdateManager().StartUpdateAyncPeridically(); // Restart polling again.
                BikesViewModel.IsIdle = true; // Unlock GUI
                return RequestHandlerFactory.Create(SelectedBike, IsConnectedDelegate, ConnectorFactory, Geolocation, ViewUpdateManager, SmartDevice, ViewService, BikesViewModel, ActiveUser);
            }

            // Lock list to avoid multiple taps while copri action is pending.
            BikesViewModel.ActionText = AppResources.ActivityTextStartingUpdatingLockingState;

            IsConnected = IsConnectedDelegate();

            Log.ForContext<ReservedClosed>().Information("User reserved bike {bike} successfully.", SelectedBike);
            BikesViewModel.ActionText = AppResources.ActivityTextStartingUpdater;
            await ViewUpdateManager().StartUpdateAyncPeridically(); // Restart polling again.
            BikesViewModel.ActionText = string.Empty;
            BikesViewModel.IsIdle = true; // Unlock GUI
            return RequestHandlerFactory.Create(SelectedBike, IsConnectedDelegate, ConnectorFactory, Geolocation, ViewUpdateManager, SmartDevice, ViewService, BikesViewModel, ActiveUser);
        }
    }
}