sort in podcast screen - logic, no db persistence yet.

3 files changed, 22 insertions, 2 deletions

diff --git a/core/src/main/java/de/danoeh/antennapod/core/feed/FeedEvent.java b/core/src/main/java/de/danoeh/antennapod/core/feed/FeedEvent.java
index b790faadf..15cdf92dc 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/feed/FeedEvent.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/feed/FeedEvent.java
@@ -6,7 +6,8 @@ import org.apache.commons.lang3.builder.ToStringStyle;
 public class FeedEvent {
 
     public enum Action {
-        FILTER_CHANGED
+        FILTER_CHANGED,
+        SORT_ORDER_CHANGED
     }
 
     private final Action action;
diff --git a/core/src/main/java/de/danoeh/antennapod/core/storage/DBWriter.java b/core/src/main/java/de/danoeh/antennapod/core/storage/DBWriter.java
index e0e15c1ff..9dd7b826c 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/storage/DBWriter.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/storage/DBWriter.java
@@ -5,6 +5,7 @@ import android.content.Context;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import org.greenrobot.eventbus.EventBus;
 
@@ -30,6 +31,7 @@ import de.danoeh.antennapod.core.feed.FeedEvent;
 import de.danoeh.antennapod.core.feed.FeedItem;
 import de.danoeh.antennapod.core.feed.FeedMedia;
 import de.danoeh.antennapod.core.feed.FeedPreferences;
+import de.danoeh.antennapod.core.feed.IntraFeedSortOrder;
 import de.danoeh.antennapod.core.gpoddernet.model.GpodnetEpisodeAction;
 import de.danoeh.antennapod.core.preferences.GpodnetPreferences;
 import de.danoeh.antennapod.core.preferences.PlaybackPreferences;
@@ -944,6 +946,19 @@ public class DBWriter {
         });
     }
 
+    /**
+     * Set item sort order of the feed
+     *
+     */
+    public static Future<?> setFeedItemSortOrder(long feedId, @Nullable IntraFeedSortOrder sortOrder) {
+        return dbExec.submit(() -> {
+            PodDBAdapter adapter = PodDBAdapter.getInstance();
+            adapter.open();
+            // adapter.setFeedItemSortOrder(feedId, sortOrder);
+            adapter.close();
+            EventBus.getDefault().post(new FeedEvent(FeedEvent.Action.SORT_ORDER_CHANGED, feedId));
+        });
+    }
 
     /**
      * Reset the statistics in DB
diff --git a/core/src/main/java/de/danoeh/antennapod/core/util/comparator/FeedItemPubdateComparator.java b/core/src/main/java/de/danoeh/antennapod/core/util/comparator/FeedItemPubdateComparator.java
index a96eda3c5..9abbeb6c0 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/util/comparator/FeedItemPubdateComparator.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/util/comparator/FeedItemPubdateComparator.java
@@ -1,5 +1,6 @@
 package de.danoeh.antennapod.core.util.comparator;
 
+import java.util.Collections;
 import java.util.Comparator;
 
 import de.danoeh.antennapod.core.feed.FeedItem;
@@ -7,7 +8,10 @@ import de.danoeh.antennapod.core.feed.FeedItem;
 /** Compares the pubDate of two FeedItems for sorting*/
 public class FeedItemPubdateComparator implements Comparator<FeedItem> {
 
-	/** Returns a new instance of this comparator in reverse order. 
+	public static final Comparator<FeedItem> descending = new FeedItemPubdateComparator();
+	public static final Comparator<FeedItem> ascending = Collections.reverseOrder(new FeedItemPubdateComparator());
+
+	/** Returns a new instance of this comparator in reverse order.
 	public static FeedItemPubdateComparator newInstance() {
 		FeedItemPubdateComparator
 	}*/