auto-creamapi-2/auto-creamapi/ViewModels/DownloadViewModel.cs

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3.4 KiB
C#
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using System;
using System.Threading.Tasks;
using System.Windows;
using auto_creamapi.Messenger;
using auto_creamapi.Services;
using auto_creamapi.Utils;
using Microsoft.Extensions.Logging;
using MvvmCross.Navigation;
using MvvmCross.Plugin.Messenger;
using MvvmCross.ViewModels;
namespace auto_creamapi.ViewModels
{
public class DownloadViewModel : MvxNavigationViewModel
{
private readonly IDownloadCreamApiService _download;
private readonly IMvxNavigationService _navigationService;
private readonly MvxSubscriptionToken _token;
private readonly ILogger<DownloadViewModel> _logger;
private string _filename;
private string _info;
private double _progress;
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private readonly Secrets _secrets = new();
public DownloadViewModel(ILoggerFactory loggerFactory, IMvxNavigationService navigationService,
IDownloadCreamApiService download, IMvxMessenger messenger) : base(loggerFactory, navigationService)
{
_navigationService = navigationService;
_logger = loggerFactory.CreateLogger<DownloadViewModel>();
_download = download;
_token = messenger.Subscribe<ProgressMessage>(OnProgressMessage);
_logger.LogDebug("{Count}", messenger.CountSubscriptionsFor<ProgressMessage>());
}
public string InfoLabel
{
get => _info;
set
{
_info = value;
RaisePropertyChanged(() => InfoLabel);
}
}
public string FilenameLabel
{
get => _filename;
set
{
_filename = value;
RaisePropertyChanged(() => FilenameLabel);
}
}
public double Progress
{
get => _progress;
set
{
_progress = value;
RaisePropertyChanged(() => Progress);
RaisePropertyChanged(() => ProgressPercent);
}
}
public string ProgressPercent => _progress.ToString("P2");
public override void Prepare()
{
InfoLabel = "Please wait...";
FilenameLabel = "";
Progress = 0.0;
}
public override async Task Initialize()
{
try
{
await base.Initialize().ConfigureAwait(false);
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var download = _download.Download(_secrets.ForumUsername(), _secrets.ForumPassword());
var filename = await download.ConfigureAwait(false);
var extract = _download.Extract(filename);
await extract.ConfigureAwait(false);
_token.Dispose();
await _navigationService.Close(this).ConfigureAwait(false);
}
catch (Exception e)
{
MessageBox.Show("Could not download CreamAPI!\nPlease add CreamAPI DLLs manually!\nShutting down...",
"Error", MessageBoxButton.OK, MessageBoxImage.Error);
_token.Dispose();
await _navigationService.Close(this).ConfigureAwait(false);
Console.WriteLine(e);
throw;
}
}
private void OnProgressMessage(ProgressMessage obj)
{
InfoLabel = obj.Info;
FilenameLabel = obj.Filename;
Progress = obj.PercentComplete;
}
}
}