Android Appetite Subscription

android_subscription_creation.java

public class PaymentFragment extends Fragment {

    // General
    private Context paymentContext;
    private Bundle bundle;
    private Switch backgroundSwitch;
    private ProgressBar progressBar;
    private Button btnCreatePlan, btnBack;
    private View paymentView;
    private RelativeLayout monthFrame, yearFrame;
    private SharedPreferences sharedpreferences;
    private SharedPreferences.Editor mEditor;
    private boolean backgroundValue;
    
    // Firestore
    private FirebaseFirestore firebaseFirestore;
    private TextView errorMessage;
    
    // Stripe
    private Card cardToSave;
    private EditText etCardHolderName, etCardHolderAddress, etCardNumber, etCVC;
    private Spinner spinnerMonth, spinnerYear;
    private String selectedMonth, selectedYear;
    private int yearPosition, monthPosition;

    // Data
    private OnPaymentSubmit paymentSubmitListener;
    private final static String TAG = PaymentFragment.class.getSimpleName();

    public PaymentFragment() {
        // Required empty public constructor
    }

    @SuppressLint("ClickableViewAccessibility")
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        // Inflate the layout for this fragment

        ((MainActivity) Objects.requireNonNull(getActivity())).setActionBarTitle("You are almost set!");
        if (paymentView != null) {
            if (paymentView.getParent() != null)
                ((ViewGroup)paymentView.getParent()).removeView(paymentView);
            return paymentView;
        }
        paymentView = inflater.inflate(R.layout.fragment_payment, container, false);

        btnBack = paymentView.findViewById(R.id.button_back);
        etCardHolderName = paymentView.findViewById(R.id.et_holder_name);
        etCardHolderAddress = paymentView.findViewById(R.id.et_holder_addressLine);
        spinnerMonth = paymentView.findViewById(R.id.month_spinner);
        spinnerYear = paymentView.findViewById(R.id.year_spinner);
        etCardNumber = paymentView.findViewById(R.id.et_card_number);
        etCVC = paymentView.findViewById(R.id.et_ccv);
        backgroundSwitch = paymentView.findViewById(R.id.switch_background);

        monthFrame = paymentView.findViewById(R.id.month_spinner_frame);
        yearFrame = paymentView.findViewById(R.id.year_spinner_frame);

        ImageView ivCardType = paymentView.findViewById(R.id.card_type);
        errorMessage = paymentView.findViewById(R.id.tv_failed_message);
        btnCreatePlan = paymentView.findViewById(R.id.button_create);
        progressBar = paymentView.findViewById(R.id.progress_bar);
        progressBar.setVisibility(View.INVISIBLE);
        ScrollView scrollView = paymentView.findViewById(R.id.scroll_view);

        sharedpreferences = getContext().getSharedPreferences(getString(R.string.background), Context.MODE_PRIVATE);
        mEditor = sharedpreferences.edit();


        scrollView.setOnTouchListener((view, motionEvent) -> {
            InputMethodManager imm = (InputMethodManager) paymentContext.getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.hideSoftInputFromWindow(paymentView.getWindowToken(), 0);
            return false;
        });

        // Initialize Firebase
        firebaseFirestore = FirebaseFirestore.getInstance();

        bundle = getArguments();

        createSpinners();
        etCardNumber.addTextChangedListener(new CreditCardFormat(etCardNumber, ivCardType));


        handleSwitch();

        btnBack.setOnClickListener(view -> {
            disableFields();
            assert bundle != null;
            bundle.putBoolean("direction", false);
            bundle.putString("cardNumber", etCardNumber.getText().toString());
            bundle.putString("cvc", etCVC.getText().toString());
            bundle.putString("selectedMonth", selectedMonth);
            bundle.putString("selectedYear", selectedYear);
            paymentSubmitListener.onPaymentSubmit(bundle);
        });
        
        btnCreatePlan.setOnClickListener(view -> {
            errorMessage.setVisibility(View.INVISIBLE);

            if (!etCardNumber.getText().toString().isEmpty() && !etCardHolderAddress.getText().toString().isEmpty() && yearPosition != 0 &&
                    monthPosition != 0 && !etCVC.getText().toString().isEmpty()) buildCard();

            if (etCardHolderName.getText().toString().isEmpty()) {
                etCardNumber.setBackground(ContextCompat.getDrawable(paymentContext, R.drawable.edittext_bg_error));
            } else {
                etCardNumber.setBackground(ContextCompat.getDrawable(paymentContext, R.drawable.edittext_bg_grey));
            }

            if (etCardHolderAddress.getText().toString().isEmpty()) {
                etCardHolderAddress.setBackground(ContextCompat.getDrawable(paymentContext, R.drawable.edittext_bg_error));
            } else {
                etCardHolderAddress.setBackground(ContextCompat.getDrawable(paymentContext, R.drawable.edittext_bg_grey));
            }

            if (etCardNumber.getText().toString().isEmpty()) {
                etCardNumber.setBackground(ContextCompat.getDrawable(paymentContext, R.drawable.edittext_bg_error));
            } else {
                etCardNumber.setBackground(ContextCompat.getDrawable(paymentContext, R.drawable.edittext_bg_grey));
            }

            if (yearPosition == 0) {
                yearFrame.setBackgroundResource(R.drawable.spinner_custom_error);
            } else {
                yearFrame.setBackgroundResource(R.drawable.spinner_custom);
            }

            if (monthPosition == 0) {
                monthFrame.setBackgroundResource(R.drawable.spinner_custom_error);
            } else {
                monthFrame.setBackgroundResource(R.drawable.spinner_custom);
            }

            if (etCVC.getText().toString().isEmpty()) {
                etCVC.setBackground(ContextCompat.getDrawable(paymentContext, R.drawable.edittext_bg_error));
            } else {
                etCVC.setBackground(ContextCompat.getDrawable(paymentContext, R.drawable.edittext_bg_grey));
            }

            Log.d(TAG, "onCreateView: background value = " + backgroundValue);
            if (!backgroundValue) mEditor.putString(getString(R.string.background), "false");
            else mEditor.putString(getString(R.string.background), "true");
            mEditor.apply();
        });
        return paymentView;
    }
    
    private void buildCard() {

        new HideSoftKeyboard(paymentContext, paymentView);
        disableFields();

        Card.Builder builder = new Card.Builder(etCardNumber.getText().toString(), Integer.valueOf(selectedMonth)
                , Integer.valueOf(selectedYear), etCVC.getText().toString());
        cardToSave = builder.build();
        setBrand(builder);

        validateCard();
    }

    private void validateCard() {
        boolean validated = cardToSave.validateCard();
        if (validated) {
            ((MainActivity) Objects.requireNonNull(getActivity())).setActionBarTitle("Validating credit card...");
            getToken();
        } else if (!cardToSave.validateNumber()) {
            ((MainActivity) Objects.requireNonNull(getActivity())).setActionBarTitle("Please try again");
            errorMessage.setText(R.string.error_card_number);
            enableFields();
        } else if (!cardToSave.validateExpiryDate()) {
            ((MainActivity) Objects.requireNonNull(getActivity())).setActionBarTitle("Please try again");
            errorMessage.setText(R.string.error_card_expiry);
            enableFields();
        } else if (!cardToSave.validateCVC()) {
            ((MainActivity) Objects.requireNonNull(getActivity())).setActionBarTitle("Please try again");
            errorMessage.setText(R.string.error_card_cvc);
            enableFields();
        }
    }

    private void setBrand(Card.Builder builder) {
        if (Objects.requireNonNull(cardToSave.getNumber()).startsWith("4")) builder.brand(Card.VISA);
        else if (cardToSave.getNumber().startsWith("5")) builder.brand(Card.MASTERCARD);
        else if (cardToSave.getNumber().startsWith("6")) builder.brand(Card.DISCOVER);
        else if (cardToSave.getNumber().startsWith("37")) builder.brand(Card.AMERICAN_EXPRESS);
        else builder.brand(Card.UNKNOWN);
    }
    
    private void getToken() {
        ((MainActivity) Objects.requireNonNull(getActivity())).setActionBarTitle("Creating your mealplan...");
        Stripe stripe = new Stripe(paymentContext, getString(R.string.stripe_publishable_api));
        Log.d(TAG, "validated. stripe: "+ stripe);
        stripe.createToken(cardToSave, getString(R.string.stripe_publishable_api), new TokenCallback() {
            @Override
            public void onSuccess(@NonNull Token result) {
                createMealplan(result);
            }

            @Override
            public void onError(@NonNull Exception e) {
                errorMessage.setText(e.toString());
                ((MainActivity) Objects.requireNonNull(getActivity())).setActionBarTitle("Please try again");
                enableFields();
            }
        });
    }
    
    @RequiresApi(api = Build.VERSION_CODES.O)
    private void createMealplan(Token result) {

        /*
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.GERMANY);
        sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
        String timeStamp = sdf.format(new Date());
         */

        ZoneId tz = ZoneId.systemDefault();
        LocalDateTime localDateTime = LocalDateTime.now();

        long seconds = localDateTime.atZone(tz).toEpochSecond();
        int nanos = localDateTime.getNano();
        Timestamp timestamp = new Timestamp(seconds, nanos);

        ArrayList<Schedule> adjustedScheduleArrayList = new ArrayList<>();

        ArrayList<Schedule> scheduleArrayList = bundle.getParcelableArrayList("schedule");
        if (scheduleArrayList != null) adjustedScheduleArrayList = adjustTime(scheduleArrayList);

        Map<String, Object> mealPlan = new HashMap<>();
        mealPlan.put("userId", bundle.getString("userId"));
        mealPlan.put("addressOne", bundle.getString("addressOne"));
        mealPlan.put("addressTwo", bundle.getString("addressTwo"));
        mealPlan.put("city", bundle.getString("city"));
        mealPlan.put("postalCode", bundle.getString("postalCode"));
        mealPlan.put("phone", bundle.getString("phone"));
        mealPlan.put("instructions", bundle.getString("instructions"));
        mealPlan.put("frequency", bundle.getString("frequency"));
        mealPlan.put("schedule", adjustedScheduleArrayList);
        mealPlan.put("restaurantId", bundle.getString("restaurantId"));
        mealPlan.put("restaurantName", bundle.getString("restaurantName"));
        mealPlan.put("restaurantAddress", bundle.getString("restaurantAddress"));
        mealPlan.put("status", 1);
        mealPlan.put("paymentToken", result.getId());
        mealPlan.put("timeOfCreation", timestamp);
        mealPlan.put("mpName", bundle.getString("mpName"));
        mealPlan.put("planType", bundle.getInt("planType"));
        mealPlan.put("planMenu", bundle.getParcelableArrayList("cartContent"));

        firebaseFirestore.collection("Meal_Plans").add(mealPlan).addOnSuccessListener(documentReference -> {
            Toast.makeText(paymentContext, "Mealplan created successfully", Toast.LENGTH_SHORT).show();
            bundle.clear();
            bundle.putBoolean("direction", true);
            bundle.putString("planId", documentReference.getId());
            onButtonPressed(bundle);

        }).addOnFailureListener(e -> {
            errorMessage.setText(e.getMessage());
            enableFields();
        });
    }