Updating local files takes long. Show progress.

core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java

@@ -7,6 +7,7 @@ import android.text.TextUtils;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.documentfile.provider.DocumentFile;
 
 import java.io.IOException;
@@ -47,9 +48,10 @@ public class LocalFeedUpdater {
 
     static final String[] PREFERRED_FEED_IMAGE_FILENAMES = { "folder.jpg", "Folder.jpg", "folder.png", "Folder.png" };
 
-    public static void updateFeed(Feed feed, Context context) {
+    public static void updateFeed(Feed feed, Context context,
+                                  @Nullable UpdaterProgressListener updaterProgressListener) {
         try {
-            tryUpdateFeed(feed, context);
+            tryUpdateFeed(feed, context, updaterProgressListener);
 
             if (mustReportDownloadSuccessful(feed)) {
                 reportSuccess(feed);
@@ -60,7 +62,8 @@ public class LocalFeedUpdater {
         }
     }
 
-    private static void tryUpdateFeed(Feed feed, Context context) throws IOException {
+    private static void tryUpdateFeed(Feed feed, Context context, UpdaterProgressListener updaterProgressListener)
+            throws IOException {
         String uriString = feed.getDownload_url().replace(Feed.PREFIX_LOCAL_FOLDER, "");
         DocumentFile documentFolder = DocumentFile.fromTreeUri(context, Uri.parse(uriString));
         if (documentFolder == null) {
@@ -92,14 +95,17 @@ public class LocalFeedUpdater {
 
         // add new files to feed and update item data
         List<FeedItem> newItems = feed.getItems();
-        for (DocumentFile f : mediaFiles) {
+        for (int i = 0; i < mediaFiles.size(); i++) {
-            FeedItem oldItem = feedContainsFile(feed, f.getName());
+            FeedItem oldItem = feedContainsFile(feed, mediaFiles.get(i).getName());
-            FeedItem newItem = createFeedItem(feed, f, context);
+            FeedItem newItem = createFeedItem(feed, mediaFiles.get(i), context);
             if (oldItem == null) {
                 newItems.add(newItem);
             } else {
                 oldItem.updateFromOther(newItem);
             }
+            if (updaterProgressListener != null) {
+                updaterProgressListener.onLocalFileScanned(i, mediaFiles.size());
+            }
         }
 
         // remove feed items without corresponding file
@@ -260,4 +266,9 @@ public class LocalFeedUpdater {
         // (avoid logging success again if the last update was ok)
         return !lastDownloadStatus.isSuccessful();
     }
+
+    @FunctionalInterface
+    public interface UpdaterProgressListener {
+        void onLocalFileScanned(int scanned, int totalFiles);
+    }
 }

core/src/main/java/de/danoeh/antennapod/core/service/download/DownloadService.java

@@ -301,7 +301,11 @@ public class DownloadService extends Service {
     private void performLocalFeedRefresh(Downloader downloader, DownloadRequest request) {
         try {
             Feed feed = DBReader.getFeed(request.getFeedfileId());
-            LocalFeedUpdater.updateFeed(feed, DownloadService.this);
+            LocalFeedUpdater.updateFeed(feed, DownloadService.this, (scanned, totalFiles) -> {
+                request.setSize(totalFiles);
+                request.setSoFar(scanned);
+                request.setProgressPercent((int) (100.0 * scanned / totalFiles));
+            });
         } catch (Exception e) {
             e.printStackTrace();
         }

core/src/main/java/de/danoeh/antennapod/core/service/download/DownloadServiceNotification.java

@@ -73,24 +73,18 @@ public class DownloadServiceNotification {
             }
             stringBuilder.append("• ");
             DownloadRequest request = downloader.getDownloadRequest();
-            switch (request.getFeedfileType()) {
+            if (request.getTitle() != null) {
-                case Feed.FEEDFILETYPE_FEED:
+                stringBuilder.append(request.getTitle());
-                    if (request.getTitle() != null) {
+            } else {
-                        stringBuilder.append(request.getTitle());
+                stringBuilder.append(request.getSource());
-                    }
-                    break;
-                case FeedMedia.FEEDFILETYPE_FEEDMEDIA:
-                    if (request.getTitle() != null) {
-                        stringBuilder.append(request.getTitle())
-                                .append(" (")
-                                .append(request.getProgressPercent())
-                                .append("%)");
-                    }
-                    break;
-                default:
-                    stringBuilder.append("Unknown: ").append(request.getFeedfileType());
             }
-            if (i != downloads.size()) {
+            if (request.getFeedfileType() == FeedMedia.FEEDFILETYPE_FEEDMEDIA) {
+                stringBuilder.append(" (").append(request.getProgressPercent()).append("%)");
+            } else if (request.getSource().startsWith(Feed.PREFIX_LOCAL_FOLDER)) {
+                stringBuilder.append(" (").append(request.getSoFar())
+                        .append("/").append(request.getSize()).append(")");
+            }
+            if (i != downloads.size() - 1) {
                 stringBuilder.append("\n");
             }
         }

core/src/test/java/de/danoeh/antennapod/core/feed/LocalFeedUpdaterTest.java

@@ -276,7 +276,7 @@ public class LocalFeedUpdaterTest {
 
             // call method to test
             Feed feed = new Feed(FEED_URL, null);
-            LocalFeedUpdater.updateFeed(feed, context);
+            LocalFeedUpdater.updateFeed(feed, context, null);
         }
     }