public FavoriteItemViewModel(IEnumerable <WorkspaceItemModel> fileSystemItems, Guid key = default(Guid))
{
if (fileSystemItems == null)
{
throw new ArgumentNullException(nameof(fileSystemItems));
}
Key = key;
FileSystemItems = fileSystemItems.Where(f => f.Kind == WorkspaceItemKindEnum.File || f.Kind == WorkspaceItemKindEnum.InputStream).ToArray();
var inputStream = FileSystemItems.FirstOrDefault(f => f.Kind == WorkspaceItemKindEnum.InputStream);
if (inputStream == null)
{
throw new InvalidOperationException($"Input stream is not presented in the list of file system items");
}
InputStreamKey = inputStream.Key;
}
