sharee.bike-App/TINKLib/ViewModel/FindBike/FindBikePageViewModel.cs

using Serilog;
using System;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Threading;
using System.Threading.Tasks;
using TINK.Model.Bike;
using TINK.Model.Connector;
using TINK.Model.User;
using TINK.View;
using TINK.Settings;
using TINK.Model.Bike.BluetoothLock;
using System.Collections.Generic;
using TINK.Services.BluetoothLock;
using TINK.Model.Services.Geolocation;
using System.Linq;
using TINK.Model;
using Xamarin.Forms;
using TINK.ViewModel.Bikes;
using TINK.Services.BluetoothLock.Tdo;
using Plugin.Permissions;
using Plugin.Permissions.Abstractions;
using Plugin.BLE.Abstractions.Contracts;
using TINK.MultilingualResources;
using TINK.Model.Device;

namespace TINK.ViewModel.FindBike
{
    public class FindBikePageViewModel : BikesViewModel, INotifyCollectionChanged, INotifyPropertyChanged
    {
        /// <summary>
        /// Constructs bike collection view model in case information about occupied bikes is available.
        /// </summary>
        /// <param name="p_oUser">Mail address of active user.</param>
        /// <param name="isReportLevelVerbose">True if report level is verbose, false if not.</param>
        /// <param name="permissions">Holds object to query location permisions.</param>
        /// <param name="bluetoothLE">Holds object to query bluetooth state.</param>
        /// <param name="runtimPlatform">Specifies on which platform code is run.</param>
        /// <param name="isConnectedDelegate">Returns if mobile is connected to web or not.</param>
        /// <param name="connectorFactory">Connects system to copri.</param>
        /// <param name="lockService">Service to control lock retrieve info.</param>
        /// <param name="polling"> Holds whether to poll or not and the periode leght is polling is on. </param>
        /// <param name="postAction">Executes actions on GUI thread.</param>
        /// <param name="smartDevice">Provides info about the smart device (phone, tablet, ...).</param>
        /// <param name="viewService">Interface to actuate methodes on GUI.</param>
        public FindBikePageViewModel(
            User p_oUser,
            IPermissions permissions,
            IBluetoothLE bluetoothLE,
            string runtimPlatform,
            Func<bool> isConnectedDelegate,
            Func<bool, IConnector> connectorFactory,
            IGeolocation geolocation,
            ILocksService lockService,
            PollingParameters polling,
            Action<SendOrPostCallback, object> postAction,
            ISmartDevice smartDevice,
            IViewService viewService) : base(p_oUser, permissions, bluetoothLE, runtimPlatform, isConnectedDelegate, connectorFactory, geolocation, lockService, polling, postAction, smartDevice, viewService, () => new MyBikeInUseStateInfoProvider())
        {
        }

        /// <summary>
        /// Invoked when page is shown. 
        /// Starts update process.
        /// </summary>
        public async Task OnAppearing()
        {
            // Get my bikes from COPRI
            Log.ForContext<FindBikePageViewModel>().Information("User request to show page MyBikes/ 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);
            
            ActionText = "";
            IsIdle = true;
        }


        public IEnumerable<string> BikeIds { get; set; }

    }
}