MB Auto-retry on upload to CAA error

Just autoretry

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         MB Auto-retry on upload to CAA error
// @namespace    https://greasyfork.org/users/321857-anakunda
// @version      1.04
// @match        https://musicbrainz.org/release/*/add-cover-art
// @match        https://musicbrainz.org/release/*/add-cover-art?*
// @iconURL      https://coverartarchive.org/img/big_logo.svg
// @run-at       document-end
// @author       Anakunda
// @copyright    2023, Anakunda (https://greasyfork.org/users/321857-anakunda)
// @license      GPL-3.0-or-later
// @grant        GM_notification
// @grant        GM_getValue
// @description  Just autoretry
// ==/UserScript==

{

'use strict';

function clearTimers() {
	if (timer != undefined) { clearTimeout(timer); timer = undefined; }
	if (countdownTimer != undefined) { clearInterval(countdownTimer); countdownTimer = undefined; }
	if (controls != null) countdown.textContent = '--';
}

const btnSubmit = document.body.querySelector('button#add-cover-art-submit');
if (btnSubmit == null) throw 'Submit button not found';
let haveErrors = false, active = true, timer, controls = null;
let counter, countdownTimer, countdownTime, countdown, countdownWrapper;
let retryCounter = 0, retryDelay = GM_getValue('retry_delay', 5);
const caption = (state = 0) => ['Suspend', 'Resume'][state] + ' autoretry';
new MutationObserver(function(ml, mo) {
	for (let mutation of ml) if (!mutation.target.disabled)
		if (Array.prototype.some.call(document.querySelectorAll('form#add-cover-art > table > tbody > tr > td > span.msg.error'),
				span => span.style.display != 'none' && /^⚠ (?:Server busy|Error)\b/.test(span.textContent.trim()))) {
			haveErrors = true;
			if (controls == null) {
				controls = Object.assign(document.createElement('span'), {
					style: `
position: fixed; right: 10px; bottom: 10px; padding: 10px; background-color: white;
border: solid black thin; box-shadow: 1pt 1pt 2pt gray;
display: inline-flex; flex-flow: row; column-gap: 1em; z-index: 999;`,
					className: 'autoretry-control',
				});
				const infoWrapper = Object.assign(document.createElement('div'), {
					style: 'padding: 5pt 0;',
				});
				countdownWrapper = document.createElement('span');
				countdownWrapper.append(' in ', countdown = Object.assign(document.createElement('span'), {
					style: 'font-weight: bold; display: inline-block; min-width: 2em; text-align: right;',
					id: 'autoretry-countdown',
				}), ' s');
				infoWrapper.append('Retry #', counter = Object.assign(document.createElement('span'), {
					style: 'font-weight: bold; color: red;',
					id: 'retry-counter',
				}), countdownWrapper);
				controls.append(Object.assign(document.createElement('button'), {
					textContent: caption(),
					style: 'padding: 5px 10px; cursor: pointer; border: 1px solid #CCC; border-top: 1px solid #EEE; border-left: 1px solid #EEE;',
					id: 'autoretry',
					onclick: function(evt) {
						if (active) clearTimers();
						if ((active = !active) && !btnSubmit.disabled) btnSubmit.click();
						evt.currentTarget.textContent = caption(active ? 0 : 1);
						countdownWrapper.style.opacity = active ? 1 : 0.3;
						return false;
					},
				}), infoWrapper);
				document.body.append(controls);
			}
			const log10 = Math.log10(retryCounter);
			counter.textContent = ++retryCounter;
			if (log10 > 0 && log10 % 1 == 0 && retryDelay > 0) retryDelay *= log10 + 1;
			if (active) timer = setTimeout(function(elem) {
				clearTimers();
				if (active && elem instanceof HTMLElement && !elem.disabled) elem.click();
			}, retryDelay * 1000 || 0, btnSubmit); else continue;
			if ((countdownTime = retryDelay) > 0) {
				countdown.textContent = countdownTime;
				countdownTimer = setInterval(elem => { elem.textContent = --countdownTime }, 1000, countdown);
			}
		} else if (haveErrors) {
			mo.disconnect();
			if (controls != null) controls.remove();
			GM_notification({ text: 'Cover art upload successfully completed', title: 'MusicBrainz', highlight: false });
			document.location.assign(document.location.origin + document.location.pathname
				.replace(/\/(?:add-cover-art)\/?$/i, '/cover-art'));
		}
	else clearTimers();
}).observe(btnSubmit, { attributes: true, attributeFilter: ['disabled'] });

}