long-clicking a discover topic should now show cover post

app/src/main/java/awais/instagrabber/adapters/DiscoverTopicsAdapter.java

@@ -11,6 +11,7 @@ import androidx.recyclerview.widget.ListAdapter;
 import awais.instagrabber.adapters.viewholder.TopicClusterViewHolder;
 import awais.instagrabber.databinding.ItemDiscoverTopicBinding;
 import awais.instagrabber.repositories.responses.discover.TopicCluster;
+import awais.instagrabber.repositories.responses.Media;
 import awais.instagrabber.utils.ResponseBodyUtils;
 
 public class DiscoverTopicsAdapter extends ListAdapter<TopicCluster, TopicClusterViewHolder> {
@@ -50,6 +51,8 @@ public class DiscoverTopicsAdapter extends ListAdapter<TopicCluster, TopicCluste
     }
 
     public interface OnTopicClickListener {
-        void onTopicClick(TopicCluster topicCluster, View root, View cover, View title, int titleColor, int backgroundColor);
+        void onTopicClick(TopicCluster topicCluster, View cover, int titleColor, int backgroundColor);
+
+        void onTopicLongClick(Media coverMedia);
     }
 }

app/src/main/java/awais/instagrabber/adapters/viewholder/TopicClusterViewHolder.java

@@ -54,12 +54,14 @@ public class TopicClusterViewHolder extends RecyclerView.ViewHolder {
         if (onTopicClickListener != null) {
             itemView.setOnClickListener(v -> onTopicClickListener.onTopicClick(
                     topicCluster,
-                    binding.getRoot(),
                     binding.cover,
-                    binding.title,
                     titleColor.get(),
                     backgroundColor.get()
             ));
+            itemView.setOnLongClickListener(v -> {
+                onTopicClickListener.onTopicLongClick(topicCluster.getCoverMedia());
+                return true;
+            });
         }
         // binding.title.setTransitionName("title-" + topicCluster.getId());
         binding.cover.setTransitionName("cover-" + topicCluster.getId());

app/src/main/java/awais/instagrabber/fragments/main/DiscoverFragment.java

@@ -5,12 +5,15 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.NavController;
 import androidx.navigation.fragment.FragmentNavigator;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
@@ -18,15 +21,19 @@ import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import java.util.Collections;
 import java.util.List;
 
+import awais.instagrabber.R;
 import awais.instagrabber.activities.MainActivity;
 import awais.instagrabber.adapters.DiscoverTopicsAdapter;
 import awais.instagrabber.customviews.helpers.GridSpacingItemDecoration;
 import awais.instagrabber.databinding.FragmentDiscoverBinding;
+import awais.instagrabber.fragments.PostViewV2Fragment;
+import awais.instagrabber.repositories.responses.Media;
 import awais.instagrabber.repositories.responses.discover.TopicCluster;
 import awais.instagrabber.repositories.responses.discover.TopicalExploreFeedResponse;
 import awais.instagrabber.utils.Utils;
 import awais.instagrabber.viewmodels.TopicClusterViewModel;
 import awais.instagrabber.webservices.DiscoverService;
+import awais.instagrabber.webservices.MediaService;
 import awais.instagrabber.webservices.ServiceCallback;
 
 public class DiscoverFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener {
@@ -38,12 +45,14 @@ public class DiscoverFragment extends Fragment implements SwipeRefreshLayout.OnR
     private TopicClusterViewModel topicClusterViewModel;
     private boolean shouldRefresh = true;
     private DiscoverService discoverService;
+    private MediaService mediaService;
 
     @Override
     public void onCreate(@Nullable final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         fragmentActivity = (MainActivity) requireActivity();
         discoverService = DiscoverService.getInstance();
+        mediaService = MediaService.getInstance(null, null, 0);
     }
 
     @Override
@@ -80,13 +89,47 @@ public class DiscoverFragment extends Fragment implements SwipeRefreshLayout.OnR
     public void setupTopics() {
         topicClusterViewModel = new ViewModelProvider(fragmentActivity).get(TopicClusterViewModel.class);
         binding.topicsRecyclerView.addItemDecoration(new GridSpacingItemDecoration(Utils.convertDpToPx(2)));
-        final DiscoverTopicsAdapter adapter = new DiscoverTopicsAdapter((topicCluster, root, cover, title, titleColor, backgroundColor) -> {
-            final FragmentNavigator.Extras.Builder builder = new FragmentNavigator.Extras.Builder()
-                    .addSharedElement(cover, "cover-" + topicCluster.getId());
-            final DiscoverFragmentDirections.ActionDiscoverFragmentToTopicPostsFragment action = DiscoverFragmentDirections
-                    .actionDiscoverFragmentToTopicPostsFragment(topicCluster, titleColor, backgroundColor);
-            NavHostFragment.findNavController(this).navigate(action, builder.build());
-        });
+        final DiscoverTopicsAdapter.OnTopicClickListener otcl = new DiscoverTopicsAdapter.OnTopicClickListener() {
+            public void onTopicClick(final TopicCluster topicCluster, final View cover, final int titleColor, final int backgroundColor) {
+                final FragmentNavigator.Extras.Builder builder = new FragmentNavigator.Extras.Builder()
+                        .addSharedElement(cover, "cover-" + topicCluster.getId());
+                final DiscoverFragmentDirections.ActionDiscoverFragmentToTopicPostsFragment action = DiscoverFragmentDirections
+                        .actionDiscoverFragmentToTopicPostsFragment(topicCluster, titleColor, backgroundColor);
+                NavHostFragment.findNavController(DiscoverFragment.this).navigate(action, builder.build());
+            }
+
+            public void onTopicLongClick(final Media coverMedia) {
+                final AlertDialog alertDialog = new AlertDialog.Builder(requireContext())
+                        .setCancelable(false)
+                        .setView(R.layout.dialog_opening_post)
+                        .create();
+                alertDialog.show();
+                mediaService.fetch(Long.valueOf(coverMedia.getPk()), new ServiceCallback<Media>() {
+                    @Override
+                    public void onSuccess(final Media feedModel) {
+                        final NavController navController = NavHostFragment.findNavController(DiscoverFragment.this);
+                        final Bundle bundle = new Bundle();
+                        bundle.putSerializable(PostViewV2Fragment.ARG_MEDIA, feedModel);
+                        try {
+                            navController.navigate(R.id.action_global_post_view, bundle);
+                            alertDialog.dismiss();
+                        } catch (Exception e) {
+                            Log.e(TAG, "onSuccess: ", e);
+                        }
+                    }
+
+                    @Override
+                    public void onFailure(final Throwable t) {
+                        alertDialog.dismiss();
+                        try {
+                            Toast.makeText(requireContext(), R.string.downloader_unknown_error, Toast.LENGTH_SHORT).show();
+                        }
+                        catch (Throwable e) {}
+                    }
+                });
+            }
+        };
+        final DiscoverTopicsAdapter adapter = new DiscoverTopicsAdapter(otcl);
         binding.topicsRecyclerView.setAdapter(adapter);
         topicClusterViewModel.getList().observe(getViewLifecycleOwner(), adapter::submitList);
     }