public IActionResult List(int?authorID, int?borrowerID)
{
if (authorID == null && borrowerID == null)
{
// show all music
var musics = _musicRepository.GetAllWithAuthor();
// check music
// return CheckMusics(musics);
if (musics.Count() == 0)
{
return(View("Empty"));
}
else
{
return(View(musics));
}
}
else if (authorID != null)
{
// filter by author id
var author = _authorRepository.GetWithMusics((int)authorID);
// check author musics
if (author.Musics.Count() == 0)
{
return(View("AuthorEmpty", author));
}
else
{
return(View(author.Musics));
}
}
else if (borrowerID != null)
{
// filter by borrower id
var musics = _musicRepository.FindWithAuthorAndBorrower(music => music.BorrowerID == borrowerID);
// check borrower musics
// return CheckMusics(musics);
if (musics.Count() == 0)
{
return(View("Empty"));
}
else
{
return(View(musics));
}
}
else
{
// throw exception
throw new ArgumentException();
}
}
public IActionResult List()
{
// load all borrowed musics
var borrowedMusics = _musicRepository.FindWithAuthorAndBorrower(x => x.BorrowerID != 0);
// check the musics collection
if (borrowedMusics == null || borrowedMusics.ToList().Count() == 0) // borrowedMusics == null ||
{
return(View("Empty"));
}
return(View(borrowedMusics));
}
