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

package com.waterbase.foodify;

import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.Query;
import com.google.firebase.database.ValueEventListener;
import com.rengwuxian.materialedittext.MaterialEditText;
import com.waterbase.foodify.Common.Common;
import com.waterbase.foodify.Database.Database;
import com.waterbase.foodify.Model.MyResponse;
import com.waterbase.foodify.Model.Notification;
import com.waterbase.foodify.Model.Order;
import com.waterbase.foodify.Model.Request;
import com.waterbase.foodify.Model.Sender;
import com.waterbase.foodify.Model.Token;
import com.waterbase.foodify.Remote.APIService;
import com.waterbase.foodify.ViewHolder.CartAdapter;

import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import info.hoang8f.widget.FButton;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

public class Cart extends AppCompatActivity {

    RecyclerView recyclerView;
    RecyclerView.LayoutManager layoutManager;

    FirebaseDatabase database;
    DatabaseReference requests;

    TextView txtTotalPrice;
    FButton btnPlace;

    List<Order> cart = new ArrayList<>();
    CartAdapter adapter;

    APIService mService;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_cart);

        //Init
        mService = Common.getFCMService();

        //Firebase
        database = FirebaseDatabase.getInstance();
        requests = database.getReference("Requests");

        //Init
        recyclerView = (RecyclerView) findViewById(R.id.listCart);
        recyclerView.setHasFixedSize(true);
        layoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(layoutManager);

        txtTotalPrice = (TextView) findViewById(R.id.total);
        btnPlace = (FButton) findViewById(R.id.btnPlaceOrder);

        btnPlace.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (cart.size() > 0)
                    showAlertDialog();
                else
                    Toast.makeText(Cart.this, "Giỏ hàng của bạn đang trống!!!", Toast.LENGTH_SHORT).show();
            }
        });

        loadListFood();

        setTitle("Giỏ hàng");
        // calling the action bar
        ActionBar actionBar = getSupportActionBar();

        // showing the back button in action bar
        actionBar.setDisplayHomeAsUpEnabled(true);
    }

    private void showAlertDialog() {
        AlertDialog.Builder alertDialog = new AlertDialog.Builder(Cart.this);
        alertDialog.setTitle("Còn 1 bước nữa!");
        alertDialog.setMessage("Xin vui lòng điền thông tin dưới đây: ");

        LayoutInflater inflater = this.getLayoutInflater();
        View order_address_comment = inflater.inflate(R.layout.order_address_comment, null);

        MaterialEditText edtAddress = (MaterialEditText) order_address_comment.findViewById(R.id.edtAddress);
        MaterialEditText edtComment = (MaterialEditText) order_address_comment.findViewById(R.id.edtComment);


        alertDialog.setView(order_address_comment);
        alertDialog.setIcon(R.drawable.ic_baseline_shopping_cart_24);

        alertDialog.setPositiveButton("Đặt", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                //Create new Request
                Request request = new Request(
                        Common.currentUser.getPhone(),
                        Common.currentUser.getName(),
                        edtAddress.getText().toString(),
                        txtTotalPrice.getText().toString(),
                        "0",
                        edtComment.getText().toString(),
                        cart
                );

                //Summit to Firebase
                //We will using System.CurrentMilli to key
                String order_number = String.valueOf(System.currentTimeMillis());
                requests.child(order_number).setValue(request);

                sendNotificationOrder(order_number);

                //Delete Cart
//                new Database(getBaseContext()).cleanCart();
//                Toast.makeText(Cart.this, "Đặt hàng thành công!", Toast.LENGTH_SHORT).show();
//                finish();
            }
        });

        alertDialog.setNegativeButton("Thoát", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
            }
        });

        alertDialog.show();
    }

    private void sendNotificationOrder(String order_number) {
        DatabaseReference tokens = FirebaseDatabase.getInstance().getReference("Tokens");
        Query data = tokens.orderByChild("serverToken").equalTo(true); //Get all node with isServerToken is true;
        data.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                for (DataSnapshot postSnapShot : dataSnapshot.getChildren()) {

                    Token serverToken = postSnapShot.getValue(Token.class);

                    //Create raw payload to send
                    Notification notification = new Notification("Foodify", "Bạn có 1 đơn hàng mới " + order_number);
                    Sender content = new Sender(serverToken.getToken(), notification);

                    mService.sendNotification(content)
                            .enqueue(new Callback<MyResponse>() {
                                @Override
                                public void onResponse(Call<MyResponse> call, Response<MyResponse> response) {

                                    //Only run when get result
                                    if (response.code() == 200) {
                                        if (response.body().success == 1) {
                                            new Database(getBaseContext()).cleanCart();
                                            Toast.makeText(Cart.this, "Đặt hàng thành công!", Toast.LENGTH_SHORT).show();
                                            finish();
                                        } else {
                                            Toast.makeText(Cart.this, "Hệ thống bị lỗi. Vui lòng thử lại sau!", Toast.LENGTH_SHORT).show();
                                        }
                                    }
                                }

                                @Override
                                public void onFailure(Call<MyResponse> call, Throwable t) {
                                    Log.e("ERROR", t.getMessage());
                                }
                            });
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        });
    }

    private void loadListFood() {
        cart = new Database(this).getCarts();
        adapter = new CartAdapter(cart, this);
        adapter.notifyDataSetChanged();
        recyclerView.setAdapter(adapter);

        //Calculate total price
        float total = 0;
        for (Order order : cart)
            total += (Float.parseFloat(order.getPrice())) * (Float.parseFloat(order.getQuantity()));
        Locale locale = new Locale("vi", "VN");
        NumberFormat fmt = NumberFormat.getCurrencyInstance(locale);

        txtTotalPrice.setText(fmt.format(total));
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                this.finish();
                return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onContextItemSelected(@NonNull MenuItem item) {
        if (item.getTitle().equals(Common.DELETE))
            deleteCart(item.getOrder());
        return true;
    }

    private void deleteCart(int position) {
        //Remove item at List<Order> by position
        cart.remove(position);
        //Delete all old data from SQLite
        new Database(this).cleanCart();
        //Update new data from List<Order> to SQLite
        for (Order item : cart)
            new Database(this).addToCart(item);
        //Refresh
        loadListFood();
    }
}