GitNex-Android-App/app/src/main/java/org/mian/gitnex/fragments/MembersByOrgFragment.java

package org.mian.gitnex.fragments;

import android.net.Uri;
import android.os.Bundle;
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 android.widget.GridView;
import android.widget.ProgressBar;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import org.gitnex.tea4j.models.UserInfo;
import org.mian.gitnex.R;
import org.mian.gitnex.adapters.MembersByOrgAdapter;
import org.mian.gitnex.databinding.FragmentMembersByOrgBinding;
import org.mian.gitnex.helpers.AppUtil;
import org.mian.gitnex.helpers.Authorization;
import org.mian.gitnex.helpers.TinyDB;
import org.mian.gitnex.viewmodels.MembersByOrgViewModel;
import java.util.List;
import java.util.Objects;

/**
 * Author M M Arif
 */

public class MembersByOrgFragment extends Fragment {

    private RepositoriesByOrgFragment.OnFragmentInteractionListener mListener;

    private TextView noDataMembers;
    private static String orgNameF = "param2";
    private String orgName;
    private MembersByOrgAdapter adapter;
    private GridView mGridView;
    private ProgressBar progressBar;

    public MembersByOrgFragment() {
    }

    public static MembersByOrgFragment newInstance(String param1) {
        MembersByOrgFragment fragment = new MembersByOrgFragment();
        Bundle args = new Bundle();
        args.putString(orgNameF, param1);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            orgName = getArguments().getString(orgNameF);
        }
    }

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

	    FragmentMembersByOrgBinding fragmentMembersByOrgBinding = FragmentMembersByOrgBinding.inflate(inflater, container, false);
        setHasOptionsMenu(true);

        TinyDB tinyDb = TinyDB.getInstance(getContext());
        final String loginUid = tinyDb.getString("loginUid");
        final String instanceToken = "token " + tinyDb.getString(loginUid + "-token");
        noDataMembers = fragmentMembersByOrgBinding.noDataMembers;

	    progressBar = fragmentMembersByOrgBinding.progressBar;
        mGridView = fragmentMembersByOrgBinding.gridView;

        fetchDataAsync(Authorization.get(getContext()), orgName);

        return fragmentMembersByOrgBinding.getRoot();
    }

    private void fetchDataAsync(String instanceToken, String owner) {

        MembersByOrgViewModel membersModel= new ViewModelProvider(this).get(MembersByOrgViewModel.class);

        membersModel.getMembersList(instanceToken, owner, getContext()).observe(getViewLifecycleOwner(), new Observer<List<UserInfo>>() {
            @Override
            public void onChanged(@Nullable List<UserInfo> membersListMain) {
                adapter = new MembersByOrgAdapter(getContext(), membersListMain);
                if(adapter.getCount() > 0) {
                    mGridView.setAdapter(adapter);
                    noDataMembers.setVisibility(View.GONE);
                }
                else {
                    adapter.notifyDataSetChanged();
                    mGridView.setAdapter(adapter);
                    noDataMembers.setVisibility(View.VISIBLE);
                }

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

    }

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

        boolean connToInternet = AppUtil.hasNetworkConnection(Objects.requireNonNull(getContext()));

        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.setQueryHint(getContext().getString(R.string.strFilter));

        if(!connToInternet) {
            return;
        }

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

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

    }

    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onFragmentInteraction(uri);
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    public interface OnFragmentInteractionListener {
        void onFragmentInteraction(Uri uri);
    }
}