PRM392/Foodify/app/src/main/java/com/waterbase/foodify/Home.java

package com.waterbase.foodify;

import android.content.Intent;
import android.os.Bundle;
import android.os.Debug;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBarDrawerToggle;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.core.view.GravityCompat;
import androidx.drawerlayout.widget.DrawerLayout;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.google.android.material.navigation.NavigationView;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.squareup.picasso.Picasso;
import com.waterbase.foodify.Common.Common;
import com.waterbase.foodify.Interface.ItemClickListener;
import com.waterbase.foodify.Model.Category;
import com.waterbase.foodify.Service.ListenOrder;
import com.waterbase.foodify.ViewHolder.MenuViewHolder;

import io.paperdb.Paper;


public class Home extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener{

    FirebaseDatabase database;
    DatabaseReference category;

    RecyclerView recyler_menu;
    RecyclerView.LayoutManager layoutManager;
    FirebaseRecyclerAdapter<Category, MenuViewHolder> adapter;

    private AppBarConfiguration mAppBarConfiguration;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_home);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setTitle("Menu");
        setSupportActionBar(toolbar);

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.app_name, R.string.app_name);
        drawer.setDrawerListener(toggle);
        toggle.syncState();
        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);


        //Init database
        database = FirebaseDatabase.getInstance();
        category = database.getReference("Category");

        //Init paper
        Paper.init(this);

        //Load menu
        recyler_menu = (RecyclerView) findViewById(R.id.recyler_menu);
        recyler_menu.setHasFixedSize(true);
        layoutManager = new LinearLayoutManager(this);
        recyler_menu.setLayoutManager(layoutManager);

        if(Common.isConnectedToInternet(getBaseContext()))
            loadMenu();
        else {
            Toast.makeText(this, "Vui lòng kiểm tra kết nối mạng!", Toast.LENGTH_SHORT).show();
            return;
        }


        //Set name for user
        View headerView = navigationView.getHeaderView(0);
        TextView navUserName = (TextView) headerView.findViewById(R.id.txtFullName);
        navUserName.setText(Common.currentUser.getName());

        //Register Service
        Intent service = new Intent(Home.this, ListenOrder.class);
        startService(service);
    }

    private void loadMenu() {
        adapter = new FirebaseRecyclerAdapter<Category, MenuViewHolder>(Category.class, R.layout.menu_item, MenuViewHolder.class, category) {
            @Override
            protected void populateViewHolder(MenuViewHolder viewHolder, Category model, int position) {
                viewHolder.txtMenuName.setText(model.getName());
                Picasso.with(getBaseContext()).load(model.getImage())
                        .into(viewHolder.imageView);
                viewHolder.setItemClickListener(new ItemClickListener() {
                    @Override
                    public void onClick(View view, int position, boolean isLongClick) {

                        try {
                            //Get Category Id and send to new Activity
                            Intent foodList = new Intent(getBaseContext(), FoodList.class);
                            foodList.putExtra("CategoryId", adapter.getRef(position).getKey());
                            foodList.putExtra("CategoryName", model.getName());
                            startActivity(foodList);
                        }catch (Exception e){
                            Log.d("ERROR", e.getStackTrace().toString());
                        }

                    }
                });
            }
        };
        recyler_menu.setAdapter(adapter);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.home, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
        if(item.getItemId() == R.id.refresh)
            loadMenu();

        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onNavigationItemSelected(@NonNull MenuItem item) {
        int id = item.getItemId();

        if(id == R.id.nav_cart) {
            Intent cartIntent = new Intent(Home.this, Cart.class);
            startActivity(cartIntent);
        } else if (id == R.id.nav_order) {
            Intent orderIntent = new Intent(Home.this, OrderStatus.class);
            startActivity(orderIntent);
        } else if (id == R.id.nav_log_out) {

            //Delete Remember user & password
            Paper.book().destroy();

            //Logout
            Intent signIn = new Intent(Home.this, SignIn.class);
            signIn.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
            startActivity(signIn);
            finish();
        }

        DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawerLayout.closeDrawer(GravityCompat.START);

        return true;
    }
}