/**
* Determine if the item given is already in cart. An item is in the cart if there appears to have
* an item with the same name or item is a song and the album which the song belongs to is already
* in the card, or the album about to be added already have a song added in the cart.
*
* @param item The item to be added to the cart.
* @param cart The user's cart.
* @return True if the item is already in the cart. False otherwise.
*/
public LinkedList<Stock> itemIsInCart(String item, LinkedList<Stock> cart) {
if (cart.size() == 0) {
System.out.println("Cart is empty");
return null;
}
LinkedList<Stock> duplicated = new LinkedList<Stock>();
for (Stock s : cart) {
// If the same song is found in cart.
if (item.equalsIgnoreCase(s.getTitle())) duplicated.add(s);
// Find in cart to see if the songs in this album
// is already added.
else if (s.getType() == StockType.ALBUM) {
Album album = (Album) s;
for (Song song : album.getSongs()) {
if (song.getTitle().equalsIgnoreCase(item)) duplicated.add(s);
}
} else if (s.getType() == StockType.SONG) {
Song song = (Song) s;
if (getSongAlbum(song).getTitle().equalsIgnoreCase(item)) {
System.out.println(item);
duplicated.add(s);
}
}
}
return duplicated;
}
/**
* Given the title of the item, get the Stock object of the item.
*
* @param item The title of the item.
* @return The Stock object of the item.
*/
public Stock getItem(String item) {
for (Album a : musicDb) {
if (a.getTitle().equalsIgnoreCase(item)) return a;
for (Song s : a.getSongs()) {
if (s.getTitle().equalsIgnoreCase(item)) return s;
}
}
return null;
}
/**
* Check if a given song belongs to the given album.
*
* @param song The name of the song.
* @param album The title of the album.
* @return True if the song belongs to the album. False otherwise.
*/
public boolean songBelongsToAlbum(String song, String album) {
for (Album a : musicDb) {
if (a.getTitle().equalsIgnoreCase(album)) {
for (Song s : a.getSongs()) {
if (s.getTitle().equalsIgnoreCase(song)) return true;
}
}
}
return false;
}
// pokazuje piosenki wybranego albumu
private void showCurrentAlbum(Album album) {
flowPane.getChildren().clear();
Song tempSong = album.getSongs().get(0);
// ok³adka albumu
ImageView albumCover = new ImageView(tempSong.getAlbumCover());
albumCover.imageProperty().bind(tempSong.albumCoverProperty());
albumCover.setFitWidth(200);
albumCover.setPreserveRatio(true);
// tytu³ albumu
Text albumTitle = new Text(tempSong.getAlbum());
albumTitle.textProperty().bind(tempSong.albumProperty());
albumTitle.setFont(new Font("Segoe UI Light", 20));
albumTitle.setFill(Paint.valueOf("WHITE"));
// VBox zawieraj¹cy ok³adkê i tytu³
VBox albumData = new VBox(albumCover, albumTitle);
flowPane.getChildren().addAll(albumData);
loadSongs(album.getSongs());
}
/**
* Search for the list of songs that matches the searchString.
*
* @param searchString The searchString that is typed into the text box in the page.
* @return The list of songs grouped into Hash Table for easy access.
*/
public HashMap<Album, LinkedList<Song>> searchForSong(String searchString) {
HashMap<Album, LinkedList<Song>> results = new HashMap<Album, LinkedList<Song>>();
// Traverse the database, inside each album, looks for the song
// that contains the search string.
for (Album a : musicDb) {
LinkedList<Song> songs = new LinkedList<Song>();
for (Song s : a.getSongs()) {
if (s.getTitle().contains(searchString)) {
songs.add(s);
}
}
results.put(a, songs);
}
return results;
}
