public IActionResult List(int?bandId, int?borrowerId)
{
if (bandId == null && borrowerId == null)
{
//all albums
var albums = _albumRepository.GetAllWithBand();
return(CheckAlbums(albums));
}
else if (bandId != null)
{
//filter by bandID
var band = _bandRepository.GetWithAlbums((int)bandId);
if (band.Albums.Count() == 0)
{
return(View("BandEmpty", band));
}
else
{
return(View(band.Albums));
}
}
else if (borrowerId != null)
{
//filter by borrowerId
var albums = _albumRepository.FindWithBandAndBorrower(album => album.BorrowerId == borrowerId);
return(CheckAlbums(albums));
}
else
{
throw new ArgumentException();
}
}
