1 files changed, 30 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/viewmodel/FeedSettingsViewModel.java b/app/src/main/java/de/danoeh/antennapod/viewmodel/FeedSettingsViewModel.java
new file mode 100644
index 000000000..fe11a645c
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/viewmodel/FeedSettingsViewModel.java
@@ -0,0 +1,30 @@
+package de.danoeh.antennapod.viewmodel;
+
+import android.arch.lifecycle.ViewModel;
+import de.danoeh.antennapod.core.feed.Feed;
+import de.danoeh.antennapod.core.storage.DBReader;
+import io.reactivex.Maybe;
+
+public class FeedSettingsViewModel extends ViewModel {
+    private Feed feed;
+
+    public Maybe<Feed> getFeed(long feedId) {
+        if (feed == null) {
+            return loadFeed(feedId);
+        } else {
+            return Maybe.just(feed);
+        }
+    }
+
+    private Maybe<Feed> loadFeed(long feedId) {
+        return Maybe.create(emitter -> {
+            Feed feed = DBReader.getFeed(feedId);
+            if (feed != null) {
+                this.feed = feed;
+                emitter.onSuccess(feed);
+            } else {
+                emitter.onComplete();
+            }
+        });
+    }
+}