public SongVM CreateSong(NewSongVM song) {
//TODO: handle many authors separeted with coma case
//List<int> authorIds = _db.AuthorSongs.Where(authorsong => authorsong.SongId == songId).Select(author => author.AuthorId).ToList();
//List<String> authors = _db.Authors.Where(a => authorIds.Contains(a.Id)).Select(a => a.Name).ToList();
//Tag genre = tags.Where(t => t.Name != song.Name && !authors.Contains(t.Name)).FirstOrDefault();
Author author = _db.Authors.FirstOrDefault(a => a.Name == song.AuthorName);
if (author == null)
_db.Authors.Add(new Author
{
Name = song.AuthorName
});
Song createdSong = new Song() {
Name = song.Name,
Link = song.Link
};
_db.Songs.Add(createdSong);
AuthorSong authorSong = new AuthorSong {
AuthorId = author.Id,
SongId = createdSong.Id
};
_db.AuthorSongs.Add(authorSong);
//New tag managing
Tag genreTag = _db.Tags.FirstOrDefault(t => t.Id == song.GenreTagId);
if (genreTag == null)
//okay, this should never EVER happen
throw new Exception("That genre doesn't exist in our tag database anymore.");
Tag authorTag = _db.Tags.FirstOrDefault(t => t.Name == song.AuthorName && t.ParentId == genreTag.Id);
if (authorTag == null)
//we need to add another tag for this author for this genre for better search results
authorTag = _db.Tags.Add(new Tag {
Name = song.AuthorName,
ParentId = genreTag.Id,
Popularity = 0
});
Tag songTag = _db.Tags.FirstOrDefault(t => t.Name == song.Name && t.ParentId == authorTag.Id);
if (songTag == null)
//we need to add another tag for this song name that is from author called AuthorName in specific genre of music
_db.Tags.Add(new Tag {
Name = song.Name,
ParentTag = authorTag,
Popularity = 0
});
_db.SaveChanges();
return new SongVM(createdSong);
}
public HttpResponseMessage CreateSong(NewSongVM song) {
HttpResponseMessage responseMsg;
if (!ModelState.IsValid)
{
return new HttpResponseMessage(HttpStatusCode.BadRequest);
}
try {
SongVM createdSong = _mngr.CreateSong(song);
responseMsg = _helper.CreateCustomResponseMsg(new List<SongVM>() { createdSong }, HttpStatusCode.OK);
} catch (Exception e) {
responseMsg = _helper.CreateErrorResponseMsg(new HttpError(e.Message), HttpStatusCode.InternalServerError);
}
return responseMsg;
}