function initPayPalButton() {
var description = document.querySelector('#smart-button-container #description');
var amount = document.querySelector('#smart-button-container #amount');
var descriptionError = document.querySelector('#smart-button-container #descriptionError');
var priceError = document.querySelector('#smart-button-container #priceLabelError');
var invoiceid = document.querySelector('#smart-button-container #invoiceid');
var invoiceidError = document.querySelector('#smart-button-container #invoiceidError');
var invoiceidDiv = document.querySelector('#smart-button-container #invoiceidDiv');
var elArr = [description, amount];
if (invoiceidDiv.firstChild.innerHTML.length > 1) {
invoiceidDiv.style.display = "block";
}
var purchase_units = [];
purchase_units[0] = {};
purchase_units[0].amount = {};
function validate(event) {
return event.value.length > 0;
}
paypal.Buttons({
style: {
color: 'gold',
shape: 'rect',
label: 'paypal',
layout: 'vertical',
},
onInit: function (data, actions) {
actions.disable();
if(invoiceidDiv.style.display === "block") {
elArr.push(invoiceid);
}
elArr.forEach(function (item) {
item.addEventListener('keyup', function (event) {
var result = elArr.every(validate);
if (result) {
actions.enable();
} else {
actions.disable();
}
});
});
},
onClick: function () {
if (description.value.length < 1) { descriptionError.style.visibility = "visible"; } else { descriptionError.style.visibility = "hidden"; } if (amount.value.length < 1) { priceError.style.visibility = "visible"; } else { priceError.style.visibility = "hidden"; } if (invoiceid.value.length < 1 && invoiceidDiv.style.display === "block") { invoiceidError.style.visibility = "visible"; } else { invoiceidError.style.visibility = "hidden"; } purchase_units[0].description = description.value; purchase_units[0].amount.value = amount.value; if(invoiceid.value !== '') { purchase_units[0].invoice_id = invoiceid.value; } }, createOrder: function (data, actions) { return actions.order.create({ purchase_units: purchase_units, }); }, onApprove: function (data, actions) { return actions.order.capture().then(function (orderData) { // Full available details console.log('Capture result', orderData, JSON.stringify(orderData, null, 2)); // Show a success message within this page, e.g. const element = document.getElementById('paypal-button-container'); element.innerHTML = ''; element.innerHTML = '
Thank you for your payment!
';
// Or go to another URL: actions.redirect('thank_you.html');
});
},
onError: function (err) {
console.log(err);
}
}).render('#paypal-button-container');
}
initPayPalButton();