Merge pull request #23 from Said-Belhadj/developHEADmaster

Merging develop to master.

1 files changed, 76 insertions, 0 deletions

diff --git a/src/musichub/business/MusicHub.java b/src/main/java/musichub/business/MusicHub.java
index 38e2214..8db2f11 100644
--- a/src/musichub/business/MusicHub.java
+++ b/src/main/java/musichub/business/MusicHub.java
@@ -6,6 +6,9 @@ import org.w3c.dom.Element;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.UnsupportedAudioFileException;
+import java.io.IOException;
 import java.util.*;
 
 class SortByDate implements Comparator<Album> {
@@ -326,4 +329,77 @@ public class MusicHub {
         }
         xmlHandler.createXMLFile(document, ELEMENTS_FILE_PATH);
     }
+    
+    public void getAudioElement(List<AudioElement> audios, String elementTitle) throws NoAlbumFoundException, UnsupportedAudioFileException, IOException, LineUnavailableException {
+        for (AudioElement el : audios) {
+            if (el.getTitle().equalsIgnoreCase(elementTitle)) {
+                el.manageAudioElement();
+            }
+        }
+
+    }
+
+    public void searchAudioElement() throws UnsupportedAudioFileException, NoAlbumFoundException, LineUnavailableException, IOException, NoElementFoundException {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Entrez le titre ou l'artiste de la musique que vous souhaitez chercher dans la base de données");
+        String word = scanner.next().toLowerCase(Locale.ROOT);
+        List<AudioElement> searchResult = new ArrayList<>();
+        for(AudioElement el : elements){
+            if(el.getTitle().toLowerCase(Locale.ROOT).contains(word) || el.getArtist().toLowerCase(Locale.ROOT).contains(word)){
+                searchResult.add(el);
+                System.out.println(el);
+            }
+        }
+
+        if (searchResult.isEmpty()) {
+            throw new NoElementFoundException("Any result for your search");
+        }
+        if (searchResult.size() == 1) {
+            this.getAudioElement(searchResult, searchResult.get(0).getTitle());
+        }
+    }
+
+    /**
+     * Method getting a list of playlists
+     *
+     * @return a list of playlist titles
+     * @author Anthony BOULANT
+     */
+    public String getPlayListsTitles() {
+        StringBuilder titleList = new StringBuilder();
+
+        for (PlayList pl : playlists)
+            titleList.append(pl.getTitle()).append("\n");
+        return titleList.toString();
+    }
+
+    /**
+     * Method checking the songs contained in a chosen playlist and returning them if found.
+     *
+     * @param playListTitle the title of a (chosen) playlist
+     * @return a list of songs from a playlist
+     * @throws NoPlayListFoundException if the chosen playlist doesn't exist
+     * @author Anthony BOULANT
+     */
+    public List<AudioElement> getPlayListSongs(String playListTitle) throws NoPlayListFoundException {
+        PlayList thePlayList = null;
+        ArrayList<AudioElement> songsInPlayList = new ArrayList<>();
+        for (PlayList pl : playlists) {
+            if (pl.getTitle().equalsIgnoreCase(playListTitle)) {
+                thePlayList = pl;
+                break;
+            }
+        }
+        if (thePlayList == null) throw new NoPlayListFoundException("No playlist with this title in the MusicHub!");
+
+        List<UUID> songIDs = thePlayList.getElements();
+        for (UUID id : songIDs)
+            for (AudioElement el : elements) {
+                if (el instanceof Song) {
+                    if (el.getUUID().equals(id)) songsInPlayList.add(el);
+                }
+            }
+        return songsInPlayList;
+
+    }
 }
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