1 files changed, 87 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/preferences/DownloadStatisticsFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/preferences/DownloadStatisticsFragment.java
new file mode 100644
index 000000000..34ea6d6e3
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/preferences/DownloadStatisticsFragment.java
@@ -0,0 +1,87 @@
+package de.danoeh.antennapod.fragment.preferences;
+
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ProgressBar;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.adapter.DownloadStatisticsListAdapter;
+import de.danoeh.antennapod.core.storage.DBReader;
+import de.danoeh.antennapod.core.util.comparator.CompareCompat;
+import io.reactivex.Observable;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.schedulers.Schedulers;
+
+import java.util.Collections;
+
+/**
+ * Displays the 'download statistics' screen
+ */
+public class DownloadStatisticsFragment extends Fragment {
+    private static final String TAG = DownloadStatisticsFragment.class.getSimpleName();
+
+    private Disposable disposable;
+    private RecyclerView downloadStatisticsList;
+    private ProgressBar progressBar;
+    private DownloadStatisticsListAdapter listAdapter;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        View root = inflater.inflate(R.layout.statistics_activity, container, false);
+        downloadStatisticsList = root.findViewById(R.id.statistics_list);
+        progressBar = root.findViewById(R.id.progressBar);
+        listAdapter = new DownloadStatisticsListAdapter(getContext());
+        downloadStatisticsList.setLayoutManager(new LinearLayoutManager(getContext()));
+        downloadStatisticsList.setAdapter(listAdapter);
+        return root;
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        refreshDownloadStatistics();
+    }
+
+    private void refreshDownloadStatistics() {
+        progressBar.setVisibility(View.VISIBLE);
+        downloadStatisticsList.setVisibility(View.GONE);
+        loadStatistics();
+    }
+
+    private void loadStatistics() {
+        if (disposable != null) {
+            disposable.dispose();
+        }
+
+        disposable =
+                Observable.fromCallable(() -> {
+                    DBReader.StatisticsData statisticsData = DBReader.getStatistics();
+                    Collections.sort(statisticsData.feeds, (item1, item2) ->
+                            CompareCompat.compareLong(item1.totalDownloadSize, item2.totalDownloadSize));
+                    return statisticsData;
+                })
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(result -> {
+                    listAdapter.update(result);
+                    progressBar.setVisibility(View.GONE);
+                    downloadStatisticsList.setVisibility(View.VISIBLE);
+                }, error -> Log.e(TAG, Log.getStackTraceString(error)));
+    }
+}