Add episodes without subscribing

Adding episodes to the queue without subscribing is a long running
feature request. Doing this does not really make sense
on a distributed podcast app. However, to make these people happy,
subscribe to the feed internally anyway and just tell them that
it is not subscribed.

app/src/main/java/de/danoeh/antennapod/ui/episodeslist/FeedItemMenuHandler.java

@@ -16,6 +16,7 @@
 
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.activity.MainActivity;
+import de.danoeh.antennapod.model.feed.Feed;
 import de.danoeh.antennapod.net.sync.serviceinterface.SynchronizationQueueSink;
 import de.danoeh.antennapod.storage.preferences.PlaybackPreferences;
 import de.danoeh.antennapod.playback.service.PlaybackServiceInterface;
@@ -158,7 +159,8 @@ public static boolean onMenuItemClicked(@NonNull Fragment fragment, int menuItem
         } else if (menuItemId == R.id.mark_read_item) {
             selectedItem.setPlayed(true);
             DBWriter.markItemPlayed(selectedItem, FeedItem.PLAYED, true);
-            if (!selectedItem.getFeed().isLocalFeed() && SynchronizationSettings.isProviderConnected()) {
+            if (!selectedItem.getFeed().isLocalFeed() && selectedItem.getFeed().getState() == Feed.STATE_SUBSCRIBED
+                    && SynchronizationSettings.isProviderConnected()) {
                 FeedMedia media = selectedItem.getMedia();
                 // not all items have media, Gpodder only cares about those that do
                 if (media != null) {
@@ -174,7 +176,8 @@ public static boolean onMenuItemClicked(@NonNull Fragment fragment, int menuItem
         } else if (menuItemId == R.id.mark_unread_item) {
             selectedItem.setPlayed(false);
             DBWriter.markItemPlayed(selectedItem, FeedItem.UNPLAYED, false);
-            if (!selectedItem.getFeed().isLocalFeed() && selectedItem.getMedia() != null) {
+            if (!selectedItem.getFeed().isLocalFeed() && selectedItem.getMedia() != null
+                && selectedItem.getFeed().getState() == Feed.STATE_SUBSCRIBED) {
                 EpisodeAction actionNew = new EpisodeAction.Builder(selectedItem, EpisodeAction.NEW)
                         .currentTimestamp()
                         .build();

app/src/main/java/de/danoeh/antennapod/ui/screen/download/CompletedDownloadsFragment.java

@@ -297,7 +297,8 @@ private void loadItems() {
         disposable = Observable.fromCallable(() -> {
             SortOrder sortOrder = UserPreferences.getDownloadsSortedOrder();
             List<FeedItem> downloadedItems = DBReader.getEpisodes(0, Integer.MAX_VALUE,
-                        new FeedItemFilter(FeedItemFilter.DOWNLOADED), sortOrder);
+                    new FeedItemFilter(FeedItemFilter.DOWNLOADED, FeedItemFilter.INCLUDE_NOT_SUBSCRIBED),
+                    sortOrder);
 
             List<String> mediaUrls = new ArrayList<>();
             if (runningDownloads == null) {

app/src/main/java/de/danoeh/antennapod/ui/screen/episode/ItemFragment.java

@@ -38,6 +38,7 @@
 import de.danoeh.antennapod.actionbutton.StreamActionButton;
 import de.danoeh.antennapod.actionbutton.VisitWebsiteActionButton;
 import de.danoeh.antennapod.event.EpisodeDownloadEvent;
+import de.danoeh.antennapod.model.feed.Feed;
 import de.danoeh.antennapod.playback.service.PlaybackStatus;
 import de.danoeh.antennapod.event.FeedItemEvent;
 import de.danoeh.antennapod.event.PlayerStatusEvent;
@@ -49,6 +50,7 @@
 import de.danoeh.antennapod.net.download.serviceinterface.DownloadServiceInterface;
 import de.danoeh.antennapod.storage.preferences.UserPreferences;
 import de.danoeh.antennapod.storage.database.DBReader;
+import de.danoeh.antennapod.ui.appstartintent.OnlineFeedviewActivityStarter;
 import de.danoeh.antennapod.ui.common.Converter;
 import de.danoeh.antennapod.ui.common.DateFormatter;
 import de.danoeh.antennapod.ui.common.CircularProgressBar;
@@ -364,8 +366,13 @@ private void openPodcast() {
         if (item == null) {
             return;
         }
-        Fragment fragment = FeedItemlistFragment.newInstance(item.getFeedId());
-        ((MainActivity) getActivity()).loadChildFragment(fragment);
+        if (item.getFeed().getState() == Feed.STATE_SUBSCRIBED) {
+            Fragment fragment = FeedItemlistFragment.newInstance(item.getFeedId());
+            ((MainActivity) getActivity()).loadChildFragment(fragment);
+        } else {
+            startActivity(new OnlineFeedviewActivityStarter(getContext(), item.getFeed().getDownloadUrl())
+                    .getIntent());
+        }
     }
 
     @Subscribe(threadMode = ThreadMode.MAIN)

app/src/main/java/de/danoeh/antennapod/ui/screen/feed/FeedItemlistFragment.java

@@ -462,7 +462,7 @@ private void refreshHeaderView() {
         } else {
             viewBinding.header.txtvFailure.setVisibility(View.GONE);
         }
-        if (!feed.getPreferences().getKeepUpdated()) {
+        if (!feed.getPreferences().getKeepUpdated() && feed.getState() == Feed.STATE_SUBSCRIBED) {
             viewBinding.header.txtvUpdatesDisabled.setText(R.string.updates_disabled_label);
             viewBinding.header.txtvUpdatesDisabled.setVisibility(View.VISIBLE);
         } else {
@@ -483,6 +483,11 @@ private void refreshHeaderView() {
         } else {
             viewBinding.header.txtvInformation.setVisibility(View.GONE);
         }
+        boolean isSubscribed = feed.getState() == Feed.STATE_SUBSCRIBED;
+        viewBinding.header.butShowInfo.setVisibility(isSubscribed ? View.VISIBLE : View.GONE);
+        viewBinding.header.butFilter.setVisibility(isSubscribed ? View.VISIBLE : View.GONE);
+        viewBinding.header.butShowSettings.setVisibility(isSubscribed ? View.VISIBLE : View.GONE);
+        viewBinding.header.butSubscribe.setVisibility(isSubscribed ? View.GONE : View.VISIBLE);
     }
 
     private void setupHeaderView() {
@@ -494,6 +499,13 @@ private void setupHeaderView() {
         viewBinding.imgvBackground.setColorFilter(new LightingColorFilter(0xff666666, 0x000000));
         viewBinding.header.butShowInfo.setOnClickListener(v -> showFeedInfo());
         viewBinding.header.imgvCover.setOnClickListener(v -> showFeedInfo());
+        viewBinding.header.butSubscribe.setOnClickListener(view -> {
+            feed.getPreferences().setKeepUpdated(true);
+            DBWriter.setFeedPreferences(feed.getPreferences());
+            feed.setState(Feed.STATE_SUBSCRIBED);
+            DBWriter.setFeedState(feed);
+            FeedUpdateManager.getInstance().runOnceOrAsk(requireContext(), feed);
+        });
         viewBinding.header.butShowSettings.setOnClickListener(v -> {
             if (feed != null) {
                 FeedSettingsFragment fragment = FeedSettingsFragment.newInstance(feed);