public async Task <OperationResult <Book> > AddImageAsync(Book item, byte[] image)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (image == null || !image.Any())
{
throw new ArgumentNullException(nameof(image));
}
var result = await _repository.GetAsync(item.Id);
item = result.Entity;
if (item == null)
{
return(new OperationResult <Book>(new [] { "Library item not found in database." }));
}
//item.Pictures = item.Pictures ?? new List<Picture>();
//item.Pictures.Add(new Picture
//{
// Bytes = image,
// Book = item,
//});
return(await _repository.UpdateAsync(item));
}
