Disallow adding duplicate scrobblers

projects/kitten-heart/src/main/java/net/pixaurora/kitten_heart/impl/KitTunes.java

@@ -6,6 +6,7 @@
 import java.util.concurrent.Executors;
 
 import net.pixaurora.catculator.api.http.Client;
+import net.pixaurora.kitten_heart.impl.scrobble.scrobbler.Scrobbler;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -75,6 +76,11 @@ public static void stop() {
         CLIENT.close();
     }
 
+    public static void addScrobbler(Scrobbler scrobbler) throws IOException {
+        KitTunes.SCROBBLER_CACHE.execute(scrobblers -> scrobblers.addScrobbler(scrobbler));
+        KitTunes.SCROBBLER_CACHE.save();
+
+    }
     private static String buildUserAgent() {
         return "Kit Tunes/" + Constants.MOD_VERSION + " (+" + Constants.HOMEPAGE + ")";
     }

projects/kitten-heart/src/main/java/net/pixaurora/kitten_heart/impl/config/ScrobblerCache.java

@@ -34,6 +34,7 @@ public List<Scrobbler> scrobblers() {
     }
 
     public void addScrobbler(Scrobbler scrobbler) {
+        this.scrobblers.removeIf(item -> item.equals(scrobbler));
         this.scrobblers.add(scrobbler);
     }
 

projects/kitten-heart/src/main/java/net/pixaurora/kitten_heart/impl/scrobble/scrobbler/LastFMScrobbler.java

@@ -26,7 +26,7 @@
 import net.pixaurora.kitten_heart.impl.network.XMLHelper;
 import net.pixaurora.kitten_heart.impl.scrobble.ScrobblerType;
 
-public class LastFMScrobbler implements Scrobbler {
+public class LastFMScrobbler extends Scrobbler {
     public static final String API_KEY = "6f9e533b5f6631a5aa3070f5e757de8c";
     public static final String SHARED_SECRET = "97fbf9a3d76ba36dfb5a2f6c3215bf49";
 

projects/kitten-heart/src/main/java/net/pixaurora/kitten_heart/impl/scrobble/scrobbler/ListenBrainzScrobbler.java

@@ -8,7 +8,6 @@
 import net.pixaurora.kit_tunes.api.music.history.ListenRecord;
 import net.pixaurora.kit_tunes.api.scrobble.ScrobblerId;
 import net.pixaurora.kitten_heart.impl.Constants;
-import net.pixaurora.kitten_heart.impl.KitTunes;
 import net.pixaurora.kitten_heart.impl.config.Serialization;
 import net.pixaurora.kitten_heart.impl.config.dispatch.DispatchType;
 import net.pixaurora.kitten_heart.impl.error.KitTunesException;
@@ -24,7 +23,7 @@
 import java.util.Objects;
 import java.util.Optional;
 
-public class ListenBrainzScrobbler implements Scrobbler {
+public class ListenBrainzScrobbler extends Scrobbler {
     private final Session session;
 
     public static final String DEFAULT_INSTANCE_URL = "https://api.listenbrainz.org";

projects/kitten-heart/src/main/java/net/pixaurora/kitten_heart/impl/scrobble/scrobbler/Scrobbler.java

@@ -8,13 +8,18 @@
 import net.pixaurora.kitten_heart.impl.scrobble.ScrobblerType;
 import net.pixaurora.kitten_heart.impl.scrobble.SimpleScrobbler;
 
-public interface Scrobbler extends SimpleScrobbler, SpecifiesType<Scrobbler> {
+public abstract class Scrobbler implements SimpleScrobbler, SpecifiesType<Scrobbler> {
     public static final DispatchGroup<Scrobbler, ScrobblerType<? extends Scrobbler>> TYPES = new DispatchGroup<>(
             "scrobbler", Arrays.asList(LastFMScrobbler.TYPE, LegacyLastFMScrobbler.TYPE, ListenBrainzScrobbler.TYPE));
 
-    public String username();
+    public abstract String username();
 
-    public default ScrobblerId id() {
+    public ScrobblerId id() {
         return new ScrobblerId(this.username(), this.type().name());
     }
+
+    @Override
+    public boolean equals(Object other) {
+        return other instanceof Scrobbler && this.id().equals(((Scrobbler) other).id());
+    }
 }

projects/kitten-heart/src/main/java/net/pixaurora/kitten_heart/impl/ui/screen/scrobbler/setup/ListenBrainzSetupScreen.java

@@ -71,7 +71,7 @@ protected void firstInit() {
                     try {
                         ListenBrainzScrobbler scrobbler = ListenBrainzScrobbler.fromToken(KitTunes.CLIENT, instanceUrl, authorizationToken);
 
-                        this.saveScrobbler(scrobbler);
+                        KitTunes.addScrobbler(scrobbler);
                         this.setStatus(SUCCESS, true);
                     } catch (KitTunesException | IOException e) {
                         this.setStatus(FAILURE, false);
@@ -95,11 +95,6 @@ private void setStatus(Component component, boolean success) {
         }
     }
 
-    public void saveScrobbler(ListenBrainzScrobbler scrobbler) throws IOException {
-        KitTunes.SCROBBLER_CACHE.execute(scrobblers -> scrobblers.addScrobbler(scrobbler));
-        KitTunes.SCROBBLER_CACHE.save();
-    }
-
     private WidgetContainer<PushableTextLines> addComponentBox(Component component, @Nullable WidgetContainer<?> previous) {
         Point offset = Point.of(0, 10);
         WidgetContainer<PushableTextLines> widget = this.addWidget(PushableTextLines.regular());

projects/kitten-heart/src/main/java/net/pixaurora/kitten_heart/impl/ui/screen/scrobbler/setup/ScrobblerOauthSetupScreen.java

@@ -120,11 +120,6 @@ public void onExit() {
         super.onExit();
     }
 
-    public void saveScrobbler(T scrobbler) throws IOException {
-        KitTunes.SCROBBLER_CACHE.execute(scrobblers -> scrobblers.addScrobbler(scrobbler));
-        KitTunes.SCROBBLER_CACHE.save();
-    }
-
     @Override
     public void tick() {
         if (this.awaitedScrobbler.isPresent()) {
@@ -133,8 +128,8 @@ public void tick() {
             if (awaitedScrobbler.isComplete()) {
                 try {
                     T scrobbler = awaitedScrobbler.get();
-                    this.saveScrobbler(scrobbler);
 
+                    KitTunes.addScrobbler(scrobbler);
                     this.setMessage(SETUP_COMPLETED);
                 } catch (ExecutionException | InterruptedException | IOException e) {
                     this.sendError(KitTunesException.convert(e));