79 lines
2.8 KiB
JavaScript
79 lines
2.8 KiB
JavaScript
function regenerateQR() {
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let username_field = document.getElementById('tabtopup-username');
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let amount_field = document.getElementById('tabtopup-amount');
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let qr_container = document.getElementById("tabtopup-qrcode");
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let amountUnparsed = amount_field.value;
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let username = username_field.value;
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username_field.classList.remove('is-danger');
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amount_field.classList.remove('is-danger');
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qr_container.textContent = '';
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let message_container = document.getElementById('tabtopup-message');
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if (username == '') {
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message_container.textContent = 'Please fill in username.';
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username_field.classList.add('is-danger');
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return;
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}
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else if (!(/^[a-z0-9A-Z\-_.]+$/.test(username))) {
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message_container.textContent = 'Are you sure that ' + username + ' is your username? Most usernames only contain letters and numbers. If you\'re not sure what your username is, feel free to contact the board.';
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username_field.classList.add('is-danger');
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return;
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} else if (amountUnparsed == '') {
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message_container.textContent = 'Please fill in amount.';
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amount_field.classList.add('is-danger');
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return;
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} else {
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message_container.textContent = '';
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}
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let amount = parseFloat(document.getElementById('tabtopup-amount').value.replace(',', '.'));
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message_container.textContent = username + ' will top up for ' + amount.toFixed(2) + ' euro. It might take a couple of days before this arrives on your Tab.';
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let message = 'TAB ' + username;
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if (message.length >= 80) {
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message_container.textContent = 'Username too long.';
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username_field.classList.add('is-danger');
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return;
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}
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if (amount <= 0) {
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message_container.textContent = 'Amount should be at least 0.01 euro (but preferably more of course).';
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amount_field.classList.add('is-danger');
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return;
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}
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let qr_data = generateQrCode({
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name: 'Zeus WPI',
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iban: document.getElementById('banknumber').textContent,
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amount: amount,
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unstructuredReference: message,
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information: 'Zeus WPI Tab',
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});
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new QRCode(qr_container, {
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text: qr_data,
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width: 256,
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height: 256,
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correctLevel: QRCode.CorrectLevel.M
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});
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return;
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}
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window.onload = function() {
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document.getElementById('tab-qr-button').addEventListener('click', function(event) {
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event.preventDefault();
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let modal = document.querySelector('.modal');
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let html = document.querySelector('html');
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modal.classList.add('is-active');
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html.classList.add('is-clipped');
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modal.querySelector('.modal-background').addEventListener('click', function(e) {
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e.preventDefault();
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modal.classList.remove('is-active');
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html.classList.remove('is-clipped');
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});
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});
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document.getElementById('tabtopup-username').addEventListener('input', regenerateQR);
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document.getElementById('tabtopup-amount').addEventListener('input', regenerateQR);
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regenerateQR();
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}
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