invoiceninja/resources/js/clients/payments/braintree-credit-card.js

/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */


class BraintreeCreditCard {
    initBraintreeDataCollector() {
        window.braintree.client.create({
            authorization: document.querySelector('meta[name=client-token]').content
        }, function (err, clientInstance) {
            window.braintree.dataCollector.create({
                client: clientInstance,
                paypal: true
            }, function (err, dataCollectorInstance) {
                if (err) {
                    return;
                }

                document.querySelector('input[name=client-data]').value = dataCollectorInstance.deviceData;
            });
        });
    }

    mountBraintreePaymentWidget() {
        window.braintree.dropin.create({
            authorization: document.querySelector('meta[name=client-token]').content,
            container: '#dropin-container'
        }, this.handleCallback);
    }

    handleCallback(error, dropinInstance) {
        if (error) {
            console.error(error);

            return;
        }

        let payNow = document.getElementById('pay-now');

        payNow.addEventListener('click', () => {
            dropinInstance.requestPaymentMethod((error, payload) => {
                if (error) {
                    return console.error(error);
                }

                payNow.disabled = true;

                payNow.querySelector('svg').classList.remove('hidden');
                payNow.querySelector('span').classList.add('hidden');

                document.querySelector('input[name=gateway_response]').value = JSON.stringify(payload);

                let tokenBillingCheckbox = document.querySelector(
                    'input[name="token-billing-checkbox"]:checked'
                );

                if (tokenBillingCheckbox) {
                    document.querySelector('input[name="store_card"]').value =
                        tokenBillingCheckbox.value;
                }

                document.getElementById('server-response').submit();
            });
        });
    }

    handle() {
        this.initBraintreeDataCollector();
        this.mountBraintreePaymentWidget();

        Array
            .from(document.getElementsByClassName('toggle-payment-with-token'))
            .forEach((element) => element.addEventListener('click', (element) => {
                document.getElementById('dropin-container').classList.add('hidden');
                document.getElementById('save-card--container').style.display = 'none';
                document.querySelector('input[name=token]').value = element.target.dataset.token;

                document.getElementById('pay-now-with-token').classList.remove('hidden');
                document.getElementById('pay-now').classList.add('hidden');
            }));

        document
            .getElementById('toggle-payment-with-credit-card')
            .addEventListener('click', (element) => {
                document.getElementById('dropin-container').classList.remove('hidden');
                document.getElementById('save-card--container').style.display = 'grid';
                document.querySelector('input[name=token]').value = "";

                document.getElementById('pay-now-with-token').classList.add('hidden');
                document.getElementById('pay-now').classList.remove('hidden');
            });

        let payNowWithToken = document.getElementById('pay-now-with-token');

        payNowWithToken
            .addEventListener('click', (element) => {
                payNowWithToken.disabled = true;
                payNowWithToken.querySelector('svg').classList.remove('hidden');
                payNowWithToken.querySelector('span').classList.add('hidden');

                document.getElementById('server-response').submit();
            });
    }
}

new BraintreeCreditCard().handle();