Move methods to move an image up and down to Image.

[Sone.git] / src / main / java / net / pterodactylus / sone / database / memory / MemoryDatabase.java

diff --git a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
index c778de2..6cb0027 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
+++ b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
@@ -581,6 +581,66 @@ public class MemoryDatabase extends AbstractService implements Database {
                }
        }
 
+       void moveUp(Album album) {
+               lock.writeLock().lock();
+               try {
+                       List<String> albums = albumChildren.get(album.getParent().getId());
+                       int currentIndex = albums.indexOf(album.getId());
+                       if (currentIndex == 0) {
+                               return;
+                       }
+                       albums.remove(album.getId());
+                       albums.add(currentIndex - 1, album.getId());
+               } finally {
+                       lock.writeLock().unlock();
+               }
+       }
+
+       void moveDown(Album album) {
+               lock.writeLock().lock();
+               try {
+                       List<String> albums = albumChildren.get(album.getParent().getId());
+                       int currentIndex = albums.indexOf(album.getId());
+                       if (currentIndex == (albums.size() - 1)) {
+                               return;
+                       }
+                       albums.remove(album.getId());
+                       albums.add(currentIndex + 1, album.getId());
+               } finally {
+                       lock.writeLock().unlock();
+               }
+       }
+
+       void moveUp(Image image) {
+               lock.writeLock().lock();
+               try {
+                       List<String> images = albumImages.get(image.getAlbum().getId());
+                       int currentIndex = images.indexOf(image.getId());
+                       if (currentIndex == 0) {
+                               return;
+                       }
+                       images.remove(image.getId());
+                       images.add(currentIndex - 1, image.getId());
+               } finally {
+                       lock.writeLock().unlock();
+               }
+       }
+
+       void moveDown(Image image) {
+               lock.writeLock().lock();
+               try {
+                       List<String> images = albumChildren.get(image.getAlbum().getId());
+                       int currentIndex = images.indexOf(image.getId());
+                       if (currentIndex == (images.size() - 1)) {
+                               return;
+                       }
+                       images.remove(image.getId());
+                       images.add(currentIndex + 1, image.getId());
+               } finally {
+                       lock.writeLock().unlock();
+               }
+       }
+
        //
        // PRIVATE METHODS
        //