From 4289933155a72f1dd6e89ead54f7add3a6145ef5 Mon Sep 17 00:00:00 2001
From: Xavier Gouchet <xavier.gouchet@gmail.com>
Date: Tue, 8 Oct 2019 19:49:13 +0200
Subject: [PATCH] Optimize the deletion of statistics data

---
 .../danoeh/antennapod/core/storage/DBWriter.java  | 15 +--------------
 .../antennapod/core/storage/PodDBAdapter.java     | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 14 deletions(-)

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 2113679b9..e0e15c1ff 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
@@ -953,20 +953,7 @@ public class DBWriter {
         return dbExec.submit(() -> {
             PodDBAdapter adapter = PodDBAdapter.getInstance();
             adapter.open();
-
-            List<Feed> feeds = DBReader.getFeedList();
-            for (Feed feed : feeds) {
-                List<FeedItem> items = DBReader.getFeed(feed.getId()).getItems();
-                for (FeedItem item : items) {
-                    FeedMedia media = item.getMedia();
-                    if (media == null) {
-                        continue;
-                    }
-
-                    media.setPlayedDuration(0);
-                    adapter.setFeedMediaPlaybackInformation(media);
-                }
-            }
+            adapter.resetAllMediaPlayedDuration();
             adapter.close();
         });
     }
diff --git a/core/src/main/java/de/danoeh/antennapod/core/storage/PodDBAdapter.java b/core/src/main/java/de/danoeh/antennapod/core/storage/PodDBAdapter.java
index 5feedcebf..66f6d223d 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/storage/PodDBAdapter.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/storage/PodDBAdapter.java
@@ -476,6 +476,20 @@ public class PodDBAdapter {
         }
     }
 
+    public void resetAllMediaPlayedDuration() {
+        try {
+            db.beginTransactionNonExclusive();
+            ContentValues values = new ContentValues();
+            values.put(KEY_PLAYED_DURATION, 0);
+            db.update(TABLE_NAME_FEED_MEDIA, values, null, new String[0]);
+            db.setTransactionSuccessful();
+        } catch (SQLException e) {
+            Log.e(TAG, Log.getStackTraceString(e));
+        } finally {
+            db.endTransaction();
+        }
+    }
+
     /**
      * Insert all FeedItems of a feed and the feed object itself in a single
      * transaction