Merge pull request #1076 from proninyaroslav/fix-db-cahce-invalidation

Delete cached entities to keep entity relationships up to date

2 files changed, 9 insertions, 0 deletions

diff --git a/News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/authentication/OwnCloudSyncAdapter.java b/News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/authentication/OwnCloudSyncAdapter.java
index 2434fa82..2e5d9866 100644
--- a/News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/authentication/OwnCloudSyncAdapter.java
+++ b/News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/authentication/OwnCloudSyncAdapter.java
@@ -164,6 +164,11 @@ public class OwnCloudSyncAdapter extends AbstractThreadedSyncAdapter {
         try {
             NextcloudSyncResult syncResult = combined.blockingFirst();
 
+            // Delete cached entities to keep entity relationships up to date for observers and readers,
+            // for example, relationship of RSS items with feeds that have changed (name changed, etc).
+            // The presence of old data in the cache can affect the obtaining of up-to-date information.
+            dbConn.clearSessionCache();
+
             InsertIntoDatabase.InsertFoldersIntoDatabase(syncResult.folders, dbConn);
             InsertIntoDatabase.InsertFeedsIntoDatabase(syncResult.feeds, dbConn);
             Log.v(TAG, "State sync successful: " + syncResult.stateSyncSuccessful);
diff --git a/News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/database/DatabaseConnectionOrm.java b/News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/database/DatabaseConnectionOrm.java
index 74e70250..b2665c30 100644
--- a/News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/database/DatabaseConnectionOrm.java
+++ b/News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/database/DatabaseConnectionOrm.java
@@ -856,4 +856,8 @@ public class DatabaseConnectionOrm {
         }
         return sb.toString();
     }
+
+    public void clearSessionCache() {
+        daoSession.clear();
+    }
 }