Moved default setting lambda to a separate function

persistence-realm/src/main/java/chat/rocket/persistence/realm/repositories/RealmPublicSettingRepository.java

@@ -44,9 +44,13 @@ public class RealmPublicSettingRepository extends RealmRepository
         )
                 .unsubscribeOn(AndroidSchedulers.from(Looper.myLooper()))
                 .filter(it -> it.isLoaded() && it.isValid())
-                .map(it -> {
-                    if (it.size() > 0) {
-                        return Optional.of(it.get(0).asPublicSetting());
+                .map(it -> getPublicSettingOrDefault(id, it))
+                .first(Optional.absent()));
+    }
+
+    private Optional<PublicSetting> getPublicSettingOrDefault(String id, RealmResults<RealmPublicSetting> results) {
+        if (results.size() > 0) {
+            return Optional.of(results.get(0).asPublicSetting());
         }
 
         PublicSetting defaultSetting = PublicSetting.builder()
@@ -55,7 +59,5 @@ public class RealmPublicSettingRepository extends RealmRepository
                 .setUpdatedAt(0L)
                 .build();
         return Optional.of(defaultSetting);
-                })
-                .first(Optional.absent()));
     }
 }