X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FAlbum.java;h=cc32f8833b193b20bacbed1ea334693ffae0b694;hb=7ea94de6b3101ad2825b45c97d1d4893d65843f2;hp=7d10e72253c0af1331665c62ec3a8db34b0fe930;hpb=6abf2d1fb158459383a7b9e983c1b730323ff759;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/data/Album.java b/src/main/java/net/pterodactylus/sone/data/Album.java
index 7d10e72..cc32f88 100644
--- a/src/main/java/net/pterodactylus/sone/data/Album.java
+++ b/src/main/java/net/pterodactylus/sone/data/Album.java
@@ -25,6 +25,7 @@ import java.util.UUID;
 
 import net.pterodactylus.util.collection.Mapper;
 import net.pterodactylus.util.collection.Mappers;
+import net.pterodactylus.util.object.Default;
 import net.pterodactylus.util.validation.Validation;
 
 /**
@@ -179,7 +180,7 @@ public class Album implements Fingerprintable {
 			image.getAlbum().removeImage(image);
 		}
 		image.setAlbum(this);
-		if (imageIds.isEmpty()) {
+		if (imageIds.isEmpty() && (albumImage == null)) {
 			albumImage = image.getId();
 		}
 		if (!imageIds.contains(image.getId())) {
@@ -208,6 +209,46 @@ public class Album implements Fingerprintable {
 	}
 
 	/**
+	 * Moves the given image up in this album’s images. If the image is already
+	 * the first image, nothing happens.
+	 *
+	 * @param image
+	 *            The image to move up
+	 * @return The image that the given image swapped the place with, or
+	 *         <code>null</code> if the image did not change its place
+	 */
+	public Image moveImageUp(Image image) {
+		Validation.begin().isNotNull("Image", image).check().isEqual("Image Album", image.getAlbum(), this).isEqual("Album Owner", image.getAlbum().getSone(), sone).check();
+		int oldIndex = imageIds.indexOf(image.getId());
+		if (oldIndex <= 0) {
+			return null;
+		}
+		imageIds.remove(image.getId());
+		imageIds.add(oldIndex - 1, image.getId());
+		return images.get(imageIds.get(oldIndex));
+	}
+
+	/**
+	 * Move the given image down in this album’s images. If the image is already
+	 * the last image, nothing happens.
+	 *
+	 * @param image
+	 *            The image to move down
+	 * @return The image that the given image swapped the place with, or
+	 *         <code>null</code> if the image did not change its place
+	 */
+	public Image moveImageDown(Image image) {
+		Validation.begin().isNotNull("Image", image).check().isEqual("Image Album", image.getAlbum(), this).isEqual("Album Owner", image.getAlbum().getSone(), sone).check();
+		int oldIndex = imageIds.indexOf(image.getId());
+		if ((oldIndex == -1) || (oldIndex >= (imageIds.size() - 1))) {
+			return null;
+		}
+		imageIds.remove(image.getId());
+		imageIds.add(oldIndex + 1, image.getId());
+		return images.get(imageIds.get(oldIndex));
+	}
+
+	/**
 	 * Returns the album image of this album, or {@code null} if no album image
 	 * has been set.
 	 *
@@ -217,7 +258,7 @@ public class Album implements Fingerprintable {
 		if (albumImage == null) {
 			return null;
 		}
-		return images.get(albumImage);
+		return Default.forNull(images.get(albumImage), images.values().iterator().next());
 	}
 
 	/**
@@ -332,6 +373,9 @@ public class Album implements Fingerprintable {
 		fingerprint.append("ID(").append(id).append(')');
 		fingerprint.append("Title(").append(title).append(')');
 		fingerprint.append("Description(").append(description).append(')');
+		if (albumImage != null) {
+			fingerprint.append("AlbumImage(").append(albumImage).append(')');
+		}
 
 		/* add nested albums. */
 		fingerprint.append("Albums(");