[Statistics]Add count of episodes stocked on device (#4581)

app/src/main/java/de/danoeh/antennapod/adapter/DownloadStatisticsListAdapter.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.text.format.Formatter;
 
 import java.util.List;
+import java.util.Locale;
 
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.core.storage.StatisticsItem;
@@ -40,7 +41,10 @@ public class DownloadStatisticsListAdapter extends StatisticsListAdapter {
 
     @Override
     void onBindFeedViewHolder(StatisticsHolder holder, StatisticsItem item) {
-        holder.value.setText(Formatter.formatShortFileSize(context, item.totalDownloadSize));
+        holder.value.setText(Formatter.formatShortFileSize(context, item.totalDownloadSize)
+                + " • "
+                + String.format(Locale.getDefault(), "%d%s",
+                item.episodesDownloadCount, context.getString(R.string.episodes_suffix)));
     }
 
 }

core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java

@@ -746,6 +746,7 @@ public final class DBReader {
             long episodesStarted = 0;
             long episodesStartedIncludingMarked = 0;
             long totalDownloadSize = 0;
+            long episodesDownloadCount = 0;
             List<FeedItem> items = getFeed(feed.getId()).getItems();
             for (FeedItem item : items) {
                 FeedMedia media = item.getMedia();
@@ -773,13 +774,14 @@ public final class DBReader {
 
                 if (media.isDownloaded()) {
                     totalDownloadSize = totalDownloadSize + media.getSize();
+                    episodesDownloadCount++;
                 }
 
                 episodes++;
             }
             feedTime.add(new StatisticsItem(
                     feed, feedTotalTime, feedPlayedTime, feedPlayedTimeCountAll, episodes,
-                    episodesStarted, episodesStartedIncludingMarked, totalDownloadSize));
+                    episodesStarted, episodesStartedIncludingMarked, totalDownloadSize, episodesDownloadCount));
         }
 
         adapter.close();

core/src/main/java/de/danoeh/antennapod/core/storage/StatisticsItem.java

@@ -36,9 +36,14 @@ public class StatisticsItem {
      */
     public final long totalDownloadSize;
 
+    /**
+     * Stores the number of episodes downloaded.
+     */
+    public final long episodesDownloadCount;
+
     public StatisticsItem(Feed feed, long time, long timePlayed, long timePlayedCountAll,
                           long episodes, long episodesStarted, long episodesStartedIncludingMarked,
-                          long totalDownloadSize) {
+                          long totalDownloadSize, long episodesDownloadCount) {
         this.feed = feed;
         this.time = time;
         this.timePlayed = timePlayed;
@@ -47,5 +52,6 @@ public class StatisticsItem {
         this.episodesStarted = episodesStarted;
         this.episodesStartedIncludingMarked = episodesStartedIncludingMarked;
         this.totalDownloadSize = totalDownloadSize;
+        this.episodesDownloadCount = episodesDownloadCount;
     }
 }