udemy-go-web-2/cmd/web/templates/terminal.page.gohtml

{{ template "base" . }}
{{ define "title" }}
Virtual Terminal
{{ end }}
{{ define "content" }}
<h2 class="mt-3 text-center">Virtual Terminal</h2>
<hr>
<div class="alert alert-danger text-center d-none" id="card-messages"></div>
<form action="/payment-succecded"
      method="post"
      name="charge_form"
      id="charge_form"
      class="d-blick needs-validation charge-form"
      autocomplete="off"
      novalidate="">
    <div class="mb-3">
        <label for="amount" class="form-label">Amount</label>
        <input type="text"
               id="amount"
               name="amount"
               autocomplete="amount-new"
               required=""
               class="form-control">
    </div>
    <div class="mb-3">
        <label for="cardholder-name" class="form-label">Cardholder Name</label>
        <input type="text"
               id="cardholder-name"
               name="cardholder_name"
               autocomplete="cardholder-name-new"
               required=""
               class="form-control">
    </div>
    <div class="mb-3">
        <label for="cardholder-email" class="form-label">Cardholder Email</label>
        <input type="text"
               id="cardholder-email"
               name="cardholder_email"
               autocomplete="cardholder-email-new"
               required=""
               class="form-control">
    </div>
    <!-- card number will be built by stripe -->
    <div class="mb-3">
        <label for="card-element" class="form-label">Credit Card</label>
        <div class="form-control" id="card-element"></div>
        <div class="alert-danger text-center" id="card-errors" role="alert"></div>
        <div class="alert-success text-center" id="card-success" role="alert"></div>
    </div>
    <hr>
    <a href="javascript:void(0)"
       id="pay-button"
       class="btn btn-primary"
       onclick="val()">Charge Card</a>
    <div class="text-center d-none" id="processing-payment">
        <div class="spinner-border text-primary" role="status">
            <span class="visually-hidden">Loading...</span>
        </div>
    </div>
</form>
{{ end }}
{{ define "js" }}
<script src="https://js.stripe.com/v3/"></script>
<script>

let card;
let stripe;
const cardMessages = document.getElementById("card-messages");
const payButton = document.getElementById("pay-button");
const processing = document.getElementById("processing-payment");

stripe = Stripe(''); // TODO: Publish key to be added

function hidePayButton() {
    payButton.classList.add("d-none");
    processing.classList.remove("d-none");
}

function val() {
    let form = document.getElementById("charge_form");

    if (form.checkValidity() === false) {
        this.event.preventDefault();
        this.event.stopPropagation();
        form.classList.add("was-validated");
        return;
    }
    form.classList.add("was-validated");
    hidePayButton();
}

(function () {
    // create stripe & elements
    const elements = stripe.elements();
    const style = {
        base: {
            fontSize: '16px',
            lineHeight: '24px',
        }
    };

    // create card entry
    card = elements.create('card', {
        style:style,
        hidePostalCode: true,
    });
    card.mount("#card-element");

    // check for input errors
    card.addEventListener('change', function(event) {
        var displayError = document.getElementById("card-errors");
        if (event.error) {
            displayError.classList.remove('d-none');
            displayError.textContent = event.error.message;
        } else {
            displayError.classList.add('d-none');
            displayError.textContent = "";
        }
    });
})();
</script>
{{ end }}