udemy-go-web-2/static/js/stripe.js

133 lines
4.4 KiB
JavaScript

let card;
let stripe;
const cardMessages = document.getElementById("card-messages");
const payButton = document.getElementById("pay-button");
const processing = document.getElementById("processing-payment");
function hidePayButton() {
payButton.classList.add("d-none");
processing.classList.remove("d-none");
}
function showPayButton() {
payButton.classList.remove("d-none");
processing.classList.add("d-none");
}
function showCardError(msg) {
cardMessages.classList.add("alert-danger");
cardMessages.classList.remove("alert-success");
cardMessages.classList.remove("d-none");
cardMessages.innerText = msg;
}
function showCardSuccess() {
cardMessages.classList.add("alert-success");
cardMessages.classList.remove("alert-danger");
cardMessages.classList.remove("d-none");
cardMessages.innerText = "Trasaction successful";
}
function val(api) {
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();
let amountToCharge = document.getElementById("amount").value;
console.log(amountToCharge);
let payload = {
amount: amountToCharge,
currency: 'eur',
};
const requestOptions = {
method: 'post',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
body: JSON.stringify(payload),
};
fetch(api + "/api/payment-intent", requestOptions)
.then(response => response.text())
.then(response => {
let data;
try {
data = JSON.parse(response);
stripe.confirmCardPayment(data.client_secret, {
payment_method: {
card: card,
billing_details: {
name: document.getElementById("cardholder-name").value,
}
}
}).then(function(result) {
if (result.error) {
// card declined, or sth went wrong with the card
showCardError(result.error.message);
showPayButton();
} else if (result.paymentIntent) {
if (result.paymentIntent.status === "succeeded") {
// we have charged the card
document.getElementById("payment_intent").value = result.paymentIntent.id;
document.getElementById("payment_method").value = result.paymentIntent.payment_method;
document.getElementById("payment_amount").value = result.paymentIntent.amount;
document.getElementById("payment_currency").value = result.paymentIntent.currency;
processing.classList.add("d-none");
showCardSuccess();
document.getElementById("charge_form").submit();
}
}
})
console.log(data);
} catch (err) {
console.log(err);
showCardError("Invalid response from payment gateway!");
showPayButton();
}
});
}
function stripeInit(pubKey) {
stripe = Stripe(pubKey);
(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 = "";
}
});
})();
}