Convert FavoritesFragment to kotlin
This commit is contained in:
Ammar Githam
parent
7f21eed5cf
commit
d284a1901e
@ -1,159 +1,134 @@
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package awais.instagrabber.fragments;
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package awais.instagrabber.fragments
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import android.content.Context;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.content.DialogInterface
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import android.os.Bundle
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import android.util.Log
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.fragment.app.Fragment
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import androidx.lifecycle.ViewModelProvider
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import androidx.navigation.fragment.NavHostFragment
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import awais.instagrabber.R
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import awais.instagrabber.adapters.FavoritesAdapter
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import awais.instagrabber.databinding.FragmentFavoritesBinding
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import awais.instagrabber.db.datasources.FavoriteDataSource
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import awais.instagrabber.db.entities.Favorite
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import awais.instagrabber.db.repositories.FavoriteRepository
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import awais.instagrabber.db.repositories.RepositoryCallback
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import awais.instagrabber.models.enums.FavoriteType
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import awais.instagrabber.utils.extensions.TAG
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import awais.instagrabber.viewmodels.FavoritesViewModel
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import com.google.android.material.dialog.MaterialAlertDialogBuilder
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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import androidx.lifecycle.ViewModelProvider;
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import androidx.navigation.NavController;
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import androidx.navigation.fragment.NavHostFragment;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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class FavoritesFragment : Fragment() {
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private var shouldRefresh = true
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import com.google.android.material.dialog.MaterialAlertDialogBuilder;
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private lateinit var binding: FragmentFavoritesBinding
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private lateinit var root: RecyclerView
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private lateinit var favoritesViewModel: FavoritesViewModel
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private lateinit var favoriteRepository: FavoriteRepository
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private lateinit var adapter: FavoritesAdapter
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import java.util.List;
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import awais.instagrabber.R;
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import awais.instagrabber.adapters.FavoritesAdapter;
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import awais.instagrabber.databinding.FragmentFavoritesBinding;
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import awais.instagrabber.db.datasources.FavoriteDataSource;
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import awais.instagrabber.db.entities.Favorite;
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import awais.instagrabber.db.repositories.FavoriteRepository;
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import awais.instagrabber.db.repositories.RepositoryCallback;
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import awais.instagrabber.viewmodels.FavoritesViewModel;
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public class FavoritesFragment extends Fragment {
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private static final String TAG = "FavoritesFragment";
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private boolean shouldRefresh = true;
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private FragmentFavoritesBinding binding;
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private RecyclerView root;
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private FavoritesViewModel favoritesViewModel;
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private FavoritesAdapter adapter;
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private FavoriteRepository favoriteRepository;
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@Override
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public void onCreate(@Nullable final Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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final Context context = getContext();
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if (context == null) return;
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favoriteRepository = FavoriteRepository.getInstance(FavoriteDataSource.getInstance(context));
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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val context = context ?: return
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favoriteRepository = FavoriteRepository.getInstance(FavoriteDataSource.getInstance(context))
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favoritesViewModel = ViewModelProvider(this).get(FavoritesViewModel::class.java)
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}
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@NonNull
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@Override
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public View onCreateView(@NonNull final LayoutInflater inflater, @Nullable final ViewGroup container, @Nullable final Bundle savedInstanceState) {
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if (root != null) {
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shouldRefresh = false;
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return root;
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
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if (this::root.isInitialized) {
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shouldRefresh = false
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return root
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}
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binding = FragmentFavoritesBinding.inflate(getLayoutInflater());
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root = binding.getRoot();
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binding.favoriteList.setLayoutManager(new LinearLayoutManager(getContext()));
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return root;
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binding = FragmentFavoritesBinding.inflate(layoutInflater)
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root = binding.root
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binding.favoriteList.layoutManager = LinearLayoutManager(context)
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return root
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}
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@Override
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public void onViewCreated(@NonNull final View view, @Nullable final Bundle savedInstanceState) {
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if (!shouldRefresh) return;
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init();
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shouldRefresh = false;
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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if (!shouldRefresh) return
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init()
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shouldRefresh = false
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}
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@Override
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public void onResume() {
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super.onResume();
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if (favoritesViewModel == null || adapter == null) return;
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override fun onResume() {
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super.onResume()
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if (!this::adapter.isInitialized) return
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// refresh list every time in onViewStateRestored since it is cheaper than implementing pull down to refresh
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favoritesViewModel.getList().observe(getViewLifecycleOwner(), adapter::submitList);
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favoriteRepository.getAllFavorites(new RepositoryCallback<List<Favorite>>() {
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@Override
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public void onSuccess(final List<Favorite> favorites) {
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favoritesViewModel.getList().postValue(favorites);
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favoritesViewModel.list.observe(viewLifecycleOwner, { list: List<Favorite?>? -> adapter.submitList(list) })
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favoriteRepository.getAllFavorites(object : RepositoryCallback<List<Favorite>> {
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override fun onSuccess(favorites: List<Favorite>) {
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favoritesViewModel.list.postValue(favorites)
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}
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@Override
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public void onDataNotAvailable() {}
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});
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override fun onDataNotAvailable() {}
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})
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}
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private void init() {
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favoritesViewModel = new ViewModelProvider(this).get(FavoritesViewModel.class);
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adapter = new FavoritesAdapter(model -> {
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// navigate
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switch (model.getType()) {
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case USER: {
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final String username = model.getQuery();
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private fun init() {
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adapter = FavoritesAdapter({ model: Favorite ->
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when (model.type) {
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FavoriteType.USER -> {
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val username = model.query
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// Log.d(TAG, "username: " + username);
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final NavController navController = NavHostFragment.findNavController(this);
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final Bundle bundle = new Bundle();
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bundle.putString("username", "@" + username);
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navController.navigate(R.id.action_global_profileFragment, bundle);
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break;
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val navController = NavHostFragment.findNavController(this)
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val bundle = Bundle()
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bundle.putString("username", "@$username")
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navController.navigate(R.id.action_global_profileFragment, bundle)
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}
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case LOCATION: {
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final String locationId = model.getQuery();
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FavoriteType.LOCATION -> {
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val locationId = model.query
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// Log.d(TAG, "locationId: " + locationId);
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final NavController navController = NavHostFragment.findNavController(this);
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final Bundle bundle = new Bundle();
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val navController = NavHostFragment.findNavController(this)
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val bundle = Bundle()
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try {
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bundle.putLong("locationId", Long.parseLong(locationId));
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navController.navigate(R.id.action_global_locationFragment, bundle);
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} catch (Exception e) {
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Log.e(TAG, "init: ", e);
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return;
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bundle.putLong("locationId", locationId.toLong())
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navController.navigate(R.id.action_global_locationFragment, bundle)
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} catch (e: Exception) {
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Log.e(TAG, "init: ", e)
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}
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break;
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}
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case HASHTAG: {
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final String hashtag = model.getQuery();
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FavoriteType.HASHTAG -> {
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val hashtag = model.query
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// Log.d(TAG, "hashtag: " + hashtag);
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final NavController navController = NavHostFragment.findNavController(this);
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final Bundle bundle = new Bundle();
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bundle.putString("hashtag", "#" + hashtag);
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navController.navigate(R.id.action_global_hashTagFragment, bundle);
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break;
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val navController = NavHostFragment.findNavController(this)
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val bundle = Bundle()
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bundle.putString("hashtag", "#$hashtag")
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navController.navigate(R.id.action_global_hashTagFragment, bundle)
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}
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else -> {
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}
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default:
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// do nothing
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}
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}, model -> {
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}, { model: Favorite ->
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// delete
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final Context context = getContext();
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if (context == null) return false;
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new MaterialAlertDialogBuilder(context)
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.setMessage(getString(R.string.quick_access_confirm_delete, model.getQuery()))
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.setPositiveButton(R.string.yes, (d, which) -> favoriteRepository
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.deleteFavorite(model.getQuery(), model.getType(), new RepositoryCallback<Void>() {
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@Override
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public void onSuccess(final Void result) {
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d.dismiss();
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favoriteRepository.getAllFavorites(new RepositoryCallback<List<Favorite>>() {
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@Override
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public void onSuccess(final List<Favorite> result) {
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favoritesViewModel.getList().postValue(result);
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}
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@Override
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public void onDataNotAvailable() {}
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});
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val context = context ?: return@FavoritesAdapter false
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MaterialAlertDialogBuilder(context)
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.setMessage(getString(R.string.quick_access_confirm_delete, model.query))
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.setPositiveButton(R.string.yes) { d: DialogInterface, _: Int ->
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favoriteRepository.deleteFavorite(model.query, model.type, object : RepositoryCallback<Void> {
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override fun onSuccess(result: Void) {
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d.dismiss()
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favoriteRepository.getAllFavorites(object : RepositoryCallback<List<Favorite>> {
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override fun onSuccess(result: List<Favorite>) {
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favoritesViewModel.list.postValue(result)
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}
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@Override
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public void onDataNotAvailable() {}
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}))
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.setNegativeButton(R.string.no, null)
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.show();
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return true;
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});
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binding.favoriteList.setAdapter(adapter);
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override fun onDataNotAvailable() {}
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})
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}
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override fun onDataNotAvailable() {}
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})
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}
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.setNegativeButton(R.string.no, null)
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.show()
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true
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})
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binding.favoriteList.adapter = adapter
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}
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}
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}
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