GitNex/app/src/main/java/org/mian/gitnex/fragments/OrganizationTeamInfoReposFragment.java

package org.mian.gitnex.fragments;

import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import androidx.annotation.NonNull;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import org.gitnex.tea4j.v2.models.Team;
import org.mian.gitnex.R;
import org.mian.gitnex.activities.MainActivity;
import org.mian.gitnex.adapters.ReposListAdapter;
import org.mian.gitnex.databinding.FragmentRepositoriesBinding;
import org.mian.gitnex.helpers.Constants;
import org.mian.gitnex.helpers.DividerItemDecorator;
import org.mian.gitnex.viewmodels.RepositoriesViewModel;

/**
 * @author M M Arif
 */

public class OrganizationTeamInfoReposFragment extends Fragment {

	private RepositoriesViewModel repositoriesViewModel;
	public static boolean repoAdded = false;

	private FragmentRepositoriesBinding fragmentRepositoriesBinding;
	private ReposListAdapter adapter;
	private int page = 1;
	private int resultLimit;

	private Team team;

	public static OrganizationTeamInfoReposFragment newInstance(Team team) {
		OrganizationTeamInfoReposFragment fragment = new OrganizationTeamInfoReposFragment();

		Bundle bundle = new Bundle();
		bundle.putSerializable("team", team);
		fragment.setArguments(bundle);

		return fragment;
	}

	@Override
	public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

		fragmentRepositoriesBinding = FragmentRepositoriesBinding.inflate(inflater, container, false);

		resultLimit = Constants.getCurrentResultLimit(getContext());
		setHasOptionsMenu(true);
		team = (Team) requireArguments().getSerializable("team");

		repositoriesViewModel = new ViewModelProvider(this).get(RepositoriesViewModel.class);

		fragmentRepositoriesBinding.addNewRepo.setVisibility(View.GONE);

		fragmentRepositoriesBinding.recyclerView.setHasFixedSize(true);
		fragmentRepositoriesBinding.recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));

		RecyclerView.ItemDecoration dividerItemDecoration = new DividerItemDecorator(ContextCompat.getDrawable(requireContext(), R.drawable.shape_list_divider));
		fragmentRepositoriesBinding.recyclerView.addItemDecoration(dividerItemDecoration);

		fragmentRepositoriesBinding.pullToRefresh.setOnRefreshListener(() -> new Handler(Looper.getMainLooper()).postDelayed(() -> {

			page = 1;
			fragmentRepositoriesBinding.pullToRefresh.setRefreshing(false);
			fetchDataAsync();
			fragmentRepositoriesBinding.progressBar.setVisibility(View.VISIBLE);
		}, 50));

		fetchDataAsync();

		return fragmentRepositoriesBinding.getRoot();
	}

	private void fetchDataAsync() {

		repositoriesViewModel.getRepositories(page, resultLimit, String.valueOf(team.getId()), "team", null, getContext()).observe(getViewLifecycleOwner(), reposListMain -> {

			adapter = new ReposListAdapter(reposListMain, getContext());
			adapter.setLoadMoreListener(new ReposListAdapter.OnLoadMoreListener() {

				@Override
				public void onLoadMore() {

					page += 1;
					repositoriesViewModel.loadMoreRepos(page, resultLimit, String.valueOf(team.getId()), "team", null, getContext(), adapter);
					fragmentRepositoriesBinding.progressBar.setVisibility(View.VISIBLE);
				}

				@Override
				public void onLoadFinished() {

					fragmentRepositoriesBinding.progressBar.setVisibility(View.GONE);
				}
			});

			if(adapter.getItemCount() > 0) {
				fragmentRepositoriesBinding.recyclerView.setAdapter(adapter);
				fragmentRepositoriesBinding.noData.setVisibility(View.GONE);
			}
			else {
				adapter.notifyDataChanged();
				fragmentRepositoriesBinding.recyclerView.setAdapter(adapter);
				fragmentRepositoriesBinding.noData.setVisibility(View.VISIBLE);
			}

			fragmentRepositoriesBinding.progressBar.setVisibility(View.GONE);
		});
	}

	@Override
	public void onResume() {
		super.onResume();

		if(repoAdded) {
			page = 1;
			fetchDataAsync();
			MainActivity.repoCreated = false;
		}
	}

	@Override
	public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {

		inflater.inflate(R.menu.search_menu, menu);
		super.onCreateOptionsMenu(menu, inflater);

		MenuItem searchItem = menu.findItem(R.id.action_search);
		androidx.appcompat.widget.SearchView searchView = (androidx.appcompat.widget.SearchView) searchItem.getActionView();
		searchView.setImeOptions(EditorInfo.IME_ACTION_DONE);

		searchView.setOnQueryTextListener(new androidx.appcompat.widget.SearchView.OnQueryTextListener() {
			@Override
			public boolean onQueryTextSubmit(String query) {
				return false;
			}

			@Override
			public boolean onQueryTextChange(String newText) {
				if(fragmentRepositoriesBinding.recyclerView.getAdapter() != null) {
					adapter.getFilter().filter(newText);
				}
				return false;
			}
		});
	}
}