public EbooksViewModel()
{
Refresh = new RelayCommand(async() =>
{
CanRefresh = false;
try
{
await EbookManager.RefreshEbooksAsync();
}
finally
{
CanRefresh = true;
}
});
if (!IsInDesignModeStatic)
{
_ = Task.Run(async() =>
{
await EbookManager.LoadEbooksAsync();
if (EbookManager.Ebooks.Count == 0)
{
await EbookManager.RefreshEbooksAsync();
}
await UIThread.RunAsync(() =>
{
CanRefresh = true;
});
});
}
}
public EbookViewModel(Ebook ebook)
{
_ebook = ebook;
Title = ebook.Title;
Isbn = ebook.Isbn;
IsPinnable = !EbookTile.Exists(_ebook.Isbn);
Download = new RelayCommand(async() =>
{
IsDownloadable = false;
IsDownloading = true;
Messenger.Default.Register <DownloadStatusMessage>(this, _ebook.Isbn, msg =>
{
DownloadStatus = $"{msg.Done} av {msg.Total} sidor nerladdade";
});
await EbookManager.DownloadEbookAsync(_ebook);
IsDownloading = false;
IsDownloaded = true;
IsPinnable = await Task.Run(() => !EbookTile.Exists(_ebook.Isbn));
FrontPagePath = await PageStorage.GetPagePathAsync(_ebook, 1);
_ = _watchForDirectoryRemoval();
});
Pin = new RelayCommand(async() =>
{
IsPinnable = !(await EbookTile.RequestCreateAsync(_ebook));
});
_ = Task.Run(async() =>
{
if (!await PageStorage.EbookExistsAsync(_ebook))
{
if (NetworkInformation.GetInternetConnectionProfile() != null)
{
_ = UIThread.RunAsync(() => IsDownloadable = true);
}
}
else
{
_ = UIThread.RunAsync(() => IsDownloaded = true);
try
{
_ = UIThread.RunAsync(async() => FrontPagePath = await PageStorage.GetPagePathAsync(_ebook, 1));
}
catch { }
_ = _watchForDirectoryRemoval();
}
});
}
