GoldbergGUI/GoldbergGUI.Core/ViewModels/SearchResultViewModel.cs

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using System.Collections.Generic;
using System.Threading.Tasks;
using GoldbergGUI.Core.Models;
using MvvmCross.Commands;
using MvvmCross.Logging;
using MvvmCross.Navigation;
using MvvmCross.ViewModels;
namespace GoldbergGUI.Core.ViewModels
{
public class SearchResultViewModel : MvxNavigationViewModel<IEnumerable<SteamApp>>, IMvxViewModel<IEnumerable<SteamApp>, SteamApp>
{
private readonly IMvxNavigationService _navigationService;
private readonly IMvxLog _log;
private IEnumerable<SteamApp> _apps;
public SearchResultViewModel(IMvxLogProvider logProvider, IMvxNavigationService navigationService) :
base(logProvider, navigationService)
{
_log = logProvider.GetLogFor(typeof(SearchResultViewModel));
_navigationService = navigationService;
}
public override void Prepare(IEnumerable<SteamApp> parameter)
{
Apps = parameter;
}
public IEnumerable<SteamApp> Apps
{
get => _apps;
set
{
_apps = value;
RaisePropertyChanged(() => Apps);
}
}
public SteamApp Selected
{
get;
set;
}
public IMvxCommand SaveCommand => new MvxAsyncCommand(Save);
public IMvxCommand CloseCommand => new MvxAsyncCommand(Close);
public TaskCompletionSource<object> CloseCompletionSource { get; set; }
public override void ViewDestroy(bool viewFinishing = true)
{
if (viewFinishing && CloseCompletionSource != null && !CloseCompletionSource.Task.IsCompleted &&
!CloseCompletionSource.Task.IsFaulted)
CloseCompletionSource?.TrySetCanceled();
base.ViewDestroy(viewFinishing);
}
private async Task Save()
{
if (Selected != null)
{
_log.Info($"Successfully got app {Selected}");
await _navigationService.Close(this, Selected).ConfigureAwait(false);
}
}
private async Task Close()
{
await _navigationService.Close(this).ConfigureAwait(false);
}
}
}