Track and highlight visited and watched* fanfiction links/threads across the following sites: AlternateHistory*, DarkLordPotter*, QuestionableQuesting*, SpaceBattles*, SufficientVelocity*, FanFiction, HPFanfiction, PatronusCharm, a few old subreddits.
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// ==UserScript==
// @name Highlight visited fanfics AH/DLP/QQ/SB/SV/FFN/HPF/PC/OR
// @description Track and highlight visited and watched* fanfiction links/threads across the following sites: AlternateHistory*, DarkLordPotter*, QuestionableQuesting*, SpaceBattles*, SufficientVelocity*, FanFiction, HPFanfiction, PatronusCharm, a few old subreddits.
// @author C89sd
// @version 1.21
// @match https://questionablequesting.com/*
// @match https://forum.questionablequesting.com/*
// @match https://forums.spacebattles.com/*
// @match https://forums.sufficientvelocity.com/*
// @match https://forums.darklordpotter.net/*
// @match https://www.alternatehistory.com/*
// @match https://m.fanfiction.net/*
// @match https://www.fanfiction.net/*
// @match https://hpfanfiction.org/fr/*
// @match https://www.hpfanfiction.org/fr/*
// @match https://old.reddit.com/r/TheCitadel/*
// @match https://old.reddit.com/r/*fanfic*/*
// @match https://old.reddit.com/r/*Fanfic*/*
// @match https://old.reddit.com/r/*FanFic*/*
// @match https://www.patronuscharm.net/*
// @match https://patronuscharm.net/*
// @grant GM_setValue
// @grant GM_getValue
// @namespace https://greasyfork.org/users/1376767
// ==/UserScript==
/*
Note: currently, threadName+prefixedId are saved when clicking any link.
This is wrong, because threadName can only be guaranteed on the current page window.location.href.
For example "spacebattles.com/threads/[any random thread name].[id]/" will be a valid link for "[id]".
Also I already encountered a link like forums.spacebattles.com/threads/372848/ , this has been patched by requiring ".[digit]/" endings.
However forums.spacebattles.com/threads/.372848 would match and cause a problem, this has been patched by requiring at least 2 characters [^\/]{2,}.
TODO: External links should NEVER be trusted to write the threadName.
Upon loading a page, checks if it's a thread, and:
if(IS_XENFORO && visitedLinks[SITE_PREFIXED_THREAD_ID] && !visitedLinks[extractThreadName(window.location.href)])
Insert the threadName with the date of the prefixedId, remove the prefixedId and put it back for ordering.
This fixes the issue of trusting external links. The check to insert threadNames only happens upon loading a page.
This approach should ensure we get the real title and not a made up one (though thread titles can easily be edited).
TODO: Since thread titles can be edited, try to convert as many threadNames into prefixedIds as possible.
Any time a link is parsed / or opened at a minimum.
Currently, Storage_AddEntry is called to try to add both threadName and prefixedId "upon click".
There is no "upon load" logic yet (it's unclear how it would work alongside Watch/Unwatch, nav buttons, etc.)
*/
function assert(condition, message) {
if (!condition) {
alert(`[userscript:Highlight visited fanfics] ERROR\n${message}`);
}
}
// Toasts via LocalStorage reload
const toast = document.createElement('div');
toast.id = 'toast';
toast.style.position = 'fixed';
toast.style.bottom = '20px';
toast.style.right = '20px';
toast.style.backgroundColor = '#333';
toast.style.color = '#fff';
toast.style.padding = '10px';
toast.style.borderRadius = '5px';
toast.style.opacity = '0';
toast.style.display = 'none';
toast.style.transition = 'opacity 0.5s ease';
toast.style.zIndex = '1000';
document.body.appendChild(toast);
function _showToast(message, message2, duration = 20000) { // 20 sec toasts
toast.innerHTML = ''; // Clear previous content
function processMessage(msg) {
if (!msg) return false; // Skip if message is null or empty
for (const site of sites) {
const { prefix, toastUrlPrefix, toastUrlSuffix } = site;
if (prefix && msg.startsWith(prefix)) {
assert(toastUrlPrefix, `_showToast(): Missing toastUrlPrefix for site: ${site.domain}`);
const id = msg.substring(prefix.length);
const toastUrl = toastUrlPrefix + id + (toastUrlSuffix || '');
const link = document.createElement('a');
link.id = 'toast';
link.href = toastUrl;
link.textContent = toastUrl; // Show the full URL as text
link.style.color = '#1e90ff';
link.style.textDecoration = 'none';
link.target = '_blank'; // Open in new tab
toast.appendChild(link);
return true;
}
}
// If no match, add plain text
const textNode = document.createTextNode(`removed "${msg}"`);
toast.appendChild(textNode);
return false;
}
let matched1 = processMessage(message);
toast.appendChild(document.createElement('br'));
let matched2 = processMessage(message2);
// Display logic
toast.style.display = 'block';
setTimeout(() => { toast.style.opacity = '1'; }, 10);
setTimeout(() => { toast.style.opacity = '0'; }, duration - 500);
setTimeout(() => { toast.style.display = 'none'; }, duration);
}
function showToast(message, message2) {
localStorage.setItem('toastMessage', JSON.stringify([message, message2]));
}
function showToastOnPageLoad() {
const storedToast = localStorage.getItem('toastMessage');
if (storedToast) {
const [message, message2] = JSON.parse(storedToast);
_showToast(message, message2);
localStorage.removeItem('toastMessage');
}
}
window.addEventListener('load', showToastOnPageLoad);
// ---
const sites = [
{
domain: 'fanfiction.net',
prefix: 'ffn_',
toastUrlPrefix: 'https://m.fanfiction.net/s/',
extract: (url) => (url.match(/https?:\/\/[^\/]*fanfiction\.net\/s\/(\d+)/)?.[1] || null),
},
{
domain: 'hpfanfiction.org',
prefix: 'hpf_',
toastUrlPrefix: 'https://www.hpfanfiction.org/fr/viewstory.php?sid=',
extract: (url) => (url.match(/https?:\/\/[^\/]*hpfanfiction\.org\/fr\/viewstory\.php\?.*?sid=(\d+)/)?.[1] || null),
},
{
domain: 'patronuscharm.net',
prefix: 'pat_',
toastUrlPrefix: 'https://www.patronuscharm.net/s/',
toastUrlSuffix: '/1/',
extract: (url) => (url.match(/https?:\/\/[^\/]*patronuscharm\.net\/s\/(\d+)/)?.[1] || null),
},
{
domain: 'spacebattles.com',
prefix: 'xsb_',
toastUrlPrefix: 'https://forums.spacebattles.com/threads/',
extract: (url) => (url.match(/https?:\/\/[^\/]*spacebattles\.com.*?\/threads\/[^\/]{2,}\.(\d+)/)?.[1] || null),
xenforo: true
},
{
domain: 'sufficientvelocity.com',
prefix: 'xsv_',
toastUrlPrefix: 'https://forums.sufficientvelocity.com/threads/',
extract: (url) => (url.match(/https?:\/\/[^\/]*sufficientvelocity\.com.*?\/threads\/[^\/]{2,}\.(\d+)/)?.[1] || null),
xenforo: true
},
{
domain: 'questionablequesting.com',
prefix: 'xqq_',
toastUrlPrefix: 'https://forum.questionablequesting.com/threads/',
extract: (url) => (url.match(/https?:\/\/[^\/]*questionablequesting\.com.*?\/threads\/[^\/]{2,}\.(\d+)/)?.[1] || null),
xenforo: true
},
{
domain: 'alternatehistory.com',
prefix: 'xah_',
toastUrlPrefix: 'https://www.alternatehistory.com/forum/threads/',
extract: (url) => (url.match(/https?:\/\/[^\/]*alternatehistory\.com.*?\/threads\/[^\/]{2,}\.(\d+)/)?.[1] || null),
xenforo: true
},
{
domain: 'darklordpotter.net',
prefix: 'xdl_',
toastUrlPrefix: 'https://forums.darklordpotter.net/threads/',
extract: (url) => (url.match(/https?:\/\/[^\/]*darklordpotter\.net.*?\/threads\/[^\/]{2,}\.(\d+)/)?.[1] || null),
xenforo: true
}
];
sites.forEach(site => {
site.test_domain = (url) => new RegExp(`^https?:\/\/[^\/]*${site.domain}\/`).test(url);
});
const DOMAIN = window.location.hostname;
const [IS_FFN, IS_HPF, IS_PAT, IS_SB, IS_SV, IS_QQ, IS_AH, IS_DLP] = sites.map(site => DOMAIN.includes(site.domain));
const IS_REDDIT = DOMAIN.includes('reddit.com');
const SITE = sites.find(site => DOMAIN.includes(site.domain)) || null; // `sites` entry of the current page.
function maybeGetSite(url) {
// Optimisation: most links are pointing to the current page, try it before scanning all the site.
if (SITE?.test_domain(url)) {
return SITE.extract(url) ? SITE : null;
} else {
return sites.find(site => site.test_domain(url) && site.extract(url)) || null;
}
}
function maybeGetPrefixedThreadId(site, url) {
const extractedId = site.extract(url);
if (!extractedId) {
return null;
}
return site.prefix + extractedId;
}
const SITE_IS_THREAD = SITE ? Boolean(maybeGetPrefixedThreadId(SITE, window.location.href)) : null; // Thread(story) vs Forum/Search page.
const SITE_PREFIXED_THREAD_ID = SITE ? (maybeGetPrefixedThreadId(SITE, window.location.href) || "~/~") : "~/~"; // Can be used to lookup the DB, "~/~" will never match.
const IS_XENFORO = IS_SB || IS_SV || IS_QQ || IS_AH || IS_DLP;
// Old function to extract thread name instead of ID (for SB, SV, QQ, DLP).
function extractThreadName(url) {
let name = url;
name = name.replace(/.*?\/threads\//, ''); // Remove everything before /threads/
name = name.replace(/\/.*/, ''); // Remove everything after /
name = name.replace(/\.\d+$/, ''); // Remove trailing `.digits`
return name;
}
const getDefaultAnchorColor = () => {
const link = document.createElement("a");
const color = getComputedStyle(link).color;
document.body.appendChild(link);
document.body.removeChild(link);
return color || "white";
};
const purpleHighlightColor =
IS_SB ? 'rgb(171, 132, 199)' :
IS_DLP ? 'rgb(166, 113, 198)' :
IS_SV ? 'rgb(175, 129, 206)' :
(IS_FFN || IS_HPF) ? 'rgb(135, 15, 135)' :
IS_REDDIT ? 'rgb(194, 121, 227)' :
IS_QQ ? 'rgb(119, 69, 150)' :
'rgb(119, 69, 150)'; // IS_AH
const pinkHighlightColor =
IS_SB ? 'rgb(213, 119, 142)' :
IS_QQ ? 'rgb(159, 70, 92)' :
IS_SV ? 'rgb(209, 112, 136)' :
'rgb(200, 105, 129)';
const yellowHighlightColor =
IS_SB ? 'rgb(223, 185, 0)' :
IS_DLP ? 'rgb(180, 147, 0)' :
IS_SV ? 'rgb(209, 176, 44)' :
'rgb(145, 117, 0)'; // IS_AH || IS_QQ
// Plugin Storage
function Storage_ReadMap() {
const rawData = GM_getValue("C89XF_visited", '{}');
try {
return JSON.parse(rawData);
} catch (e) {
assert(false, `Failed to parse stored data: ${e}`);
}
}
function Storage_AddEntry(key, val) {
if (!key) { return; } // do not store null
if (/^\d+$/.test(key)) { return; } // do not save number links e.g. https://forums.spacebattles.com/threads/372848/ ; edge case seeen in https://forum.questionablequesting.com/threads/fanfic-search-thread.953/post-624056
var upToDateMap = Storage_ReadMap() // in case another tab wrote to it
if (upToDateMap[key]) {
// preserve oldest time
} else {
upToDateMap[key] = val;
GM_setValue("C89XF_visited", JSON.stringify(upToDateMap));
}
}
function removeMostRecentEntry() {
const map = Storage_ReadMap();
let mostRecentKey = null;
let mostRecentDate = '';
let previousmostRecentKey = null;
let previousMostRecentDate = '';
for (const [key, date] of Object.entries(map)) {
if (date >= mostRecentDate) { // find last entry with the greatest date
previousMostRecentDate = mostRecentDate;
previousmostRecentKey = mostRecentKey;
mostRecentDate = date;
mostRecentKey = key;
}
}
if (mostRecentKey) {
delete map[mostRecentKey];
const twoKeys = previousmostRecentKey && previousMostRecentDate == mostRecentDate;
if (twoKeys) {
delete map[previousmostRecentKey];
}
GM_setValue("C89XF_visited", JSON.stringify(map));
showToast(`${mostRecentKey}`, twoKeys ? `${previousmostRecentKey}` : null); // ${mostRecentDate}`);
window.location.reload(); // restore old color that was overwritten
}
}
(() => {
"use strict";
const footer = document.createElement('div');
footer.style.width = '100%';
footer.style.paddingTop = '5px';
footer.style.paddingBottom = '5px';
footer.style.display = 'flex';
footer.style.justifyContent = 'center';
footer.style.gap = '10px';
footer.class = 'footer';
const navigationBar = IS_DLP ? document.querySelector('.pageNavLinkGroup') : document.querySelector('.block-outer');
const threadHasWatchedButton = navigationBar ? Array.from(navigationBar.children).some(child => /Watched|Unwatch/.test(child.textContent)) : false;
// Turn title into a link
const firstH1 = IS_FFN ? document.querySelector('div[align="center"] > b, div#profile_top > b') :
IS_HPF ? document.querySelector('div#pagetitle > a, div#content > b > a') :
IS_PAT ? document.querySelector('span[title]') :
document.querySelector('h1');
const titleLink = document.createElement('a');
titleLink.href = window.location.href;
if (firstH1) {
const title = firstH1.lastChild ? firstH1.lastChild : firstH1;
if (title) {
const titleClone = title.cloneNode(true);
titleLink.appendChild(titleClone);
title.parentNode.replaceChild(titleLink, title);
}
}
const BTN_1 = IS_SV ? ['button', 'button--link'] : ['button']
const BTN_2 = IS_SV ? ['button'] : (IS_DLP ? ['button', 'primary'] : ['button', 'button--link'])
const exportButton = document.createElement('button');
exportButton.textContent = 'Backup';
exportButton.classList.add(...BTN_1);
if (IS_SV) { exportButton.style.filter = 'brightness(82%)'; }
exportButton.addEventListener('click', exportVisitedLinks);
footer.appendChild(exportButton);
const importButton = document.createElement('button');
importButton.textContent = 'Restore';
importButton.classList.add(...BTN_1);
if (IS_SV) { importButton.style.filter = 'brightness(82%)'; }
importButton.addEventListener('click', importVisitedLinks);
footer.appendChild(importButton);
const updateButton = document.createElement('button');
updateButton.textContent = 'Remove latest highlight';
updateButton.classList.add(...BTN_2);
updateButton.addEventListener('click', removeMostRecentEntry);
footer.appendChild(updateButton);
const xFooter = document.querySelector('footer.p-footer');
if (xFooter) { xFooter.insertAdjacentElement('afterbegin', footer); }
else { document.body.appendChild(footer); }
function exportVisitedLinks() {
const pad = (num) => String(num).padStart(2, '0');
const now = new Date();
const year = now.getFullYear();
const month = pad(now.getMonth() + 1);
const day = pad(now.getDate());
const hours = pad(now.getHours());
const minutes = pad(now.getMinutes());
const seconds = pad(now.getSeconds()); // Add seconds
const map = Storage_ReadMap();
const size = map ? Object.keys(map).length : 0;
const data = GM_getValue("C89XF_visited", '{}');
const blob = new Blob([data], {type: 'text/plain'});
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = `visited_fanfics_backup_${year}_${month}_${day}_${hours}${minutes}${seconds} +${size}.txt`;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
}
function importVisitedLinks() {
const input = document.createElement('input');
input.type = 'file';
input.accept = '.txt, .json';
input.onchange = function(event) {
const file = event.target.files[0];
const reader = new FileReader();
reader.onload = function(e) {
try {
const data_before = Storage_ReadMap();
const data = JSON.parse(e.target.result);
GM_setValue("C89XF_visited", JSON.stringify(data));
const length_before = Object.keys(data_before).length;
const length_after = Object.keys(data).length;
const diff = length_after - length_before;
var notes =`\n- Entries: ${length_before} → ${length_after} (total: ${diff >= 0 ? "+" : ""}${diff})`;
notes += "\n\n—— DATA ——\n"
notes += JSON.stringify(data).slice(0, 350) + '...';
alert('Visited fanfics restored successfully. Page will refresh.' + notes);
window.location.reload();
} catch (error) {
alert('Error importing file. Please make sure it\'s a valid JSON file.');
}
};
reader.readAsText(file);
};
input.click();
}
// Set link colors
const applyLinkStyles = () => {
const visitedLinks = Storage_ReadMap();
const links = document.getElementsByTagName("a");
// const start = Date.now();
for (let link of links) {
const url = link.href;
const site = maybeGetSite(url);
if (site) {
const prefixedId = maybeGetPrefixedThreadId(site, url);
if (prefixedId) {
// Skip self referential story links, unless they are the one and only Title Link.
const linkPointsToCurrentPage = (prefixedId == SITE_PREFIXED_THREAD_ID);
if (linkPointsToCurrentPage && !firstH1.contains(link)) {
continue;
}
// Hihlight seen links.
if (visitedLinks[prefixedId]) {
link.style.color = purpleHighlightColor;
}
else {
if (IS_XENFORO) {
if (visitedLinks[extractThreadName(url)]) {
// Compatiblity: we used to store threadName instead of prefixedId.
// TODO: we just found an old entry, maybe insert in the DB instead of just coloring, this would prevent DB loss from future title changes.
link.style.color = pinkHighlightColor;
}
}
}
// Hihlight watched links.
if (IS_XENFORO) {
let isWatched = false;
if (SITE_IS_THREAD) {
// In Story threads, the only link to highlight is the Title Link.
if (linkPointsToCurrentPage) { isWatched = threadHasWatchedButton; }
}
else {
// In Forum view, check the bell/eye icon next to the link.
const parent = IS_DLP ? link.closest('div.titleText')
: link.closest('div.structItem');
const hasIcon = IS_DLP ? parent && parent.getElementsByClassName('fa-eye').length > 0
: parent && parent.getElementsByClassName('structItem-status--watched').length > 0;
isWatched = hasIcon;
}
if (isWatched) {
link.style.color = yellowHighlightColor;
}
}
}
}
}
// const end = Date.now();
// console.log(`Execution time: ${end - start} ms`);
// Global click listener
if (!document.dataClickListenerAdded) {
document.addEventListener("click", function(event) {
// handle links
const link = event.target.closest('a');
if (link && link.tagName === 'A') {
if (link.id == 'toast') { return; } // Toast message link
if (link.textContent === 'Table des matières') { return; } // HPF
if (link.textContent === 'Suivant') { return; } // HPF
if (link.textContent === 'Précédent') { return; } // HPF
if (link.textContent === 'Reader mode') { return; }
// TODO: Performance: skip nav links so they don't trigger db reads.
const site = maybeGetSite(link.href);
if (site) {
// TODO: If threadName exists in the DB, remove and reinsert it so that the 2 dates match, to regroup IDs and names, though old date would be lost.
const date = new Date().toISOString().slice(0, 19).replace(/[-:T\.]/g, '');
const prefixedId = maybeGetPrefixedThreadId(site, link.href);
Storage_AddEntry(prefixedId, date);
if (site.xenforo) {
const threadName = extractThreadName(link.href);
Storage_AddEntry(threadName, date);
}
}
}
// handle Watch/Unwatch buttons: update title color
if (IS_XENFORO) {
// DLP: <input type="submit" value="Watch Thread" class="button primary"> .tagName === 'INPUT'
// SB/SV/AH/QQ: <button type="submit" class="button--primary button"><span class="button-text">Watch</span></button>
// Note: Even though <button> was clicked, if mouse hovered <span> then `even.target = span`.
let button = event.target.matches('input[type="submit"], button[type="submit"], button[type="submit"] span') ? event.target : null;
if (button) {
let buttonText = button.value || button.textContent;
if (buttonText) {
if (/Watch/.test(buttonText)) {
titleLink.style.color = yellowHighlightColor;
}
else if (/Unwatch/.test(buttonText)) {
if (visitedLinks[SITE_PREFIXED_THREAD_ID]){
titleLink.style.color = purpleHighlightColor;
} else if (visitedLinks[extractThreadName(window.location.href)]) {
titleLink.style.color = pinkHighlightColor;
} else {
titleLink.style.color = getDefaultAnchorColor();
}
}
}
}
}
});
document.dataClickListenerAdded = true;
}
};
// Apply styles on load
applyLinkStyles();
// Apply styles when navigating back
window.addEventListener('pageshow', (event) => {
if (event.persisted) {
applyLinkStyles();
}
});
})();