Scan Pixiv users lazily, highlight follow status, detect follow & unfollow actions
// ==UserScript==
// @name [NOT WORKING] Pixiv User Scanner (Queue + Highlight + Follow/Unfollow Detect)
// @namespace Violentmonkey Scripts
// @version 1.5
// @description Scan Pixiv users lazily, highlight follow status, detect follow & unfollow actions
// @author Oppai1442
// @match https://www.pixiv.net/en/artworks/*
// @grant none
// @license CC BY-NC-ND 4.0
// ==/UserScript==
(function () {
'use strict';
const scanned = new Set();
const processed = new Map(); // userId → isFollowed
const queue = [];
const delay = ms => new Promise(res => setTimeout(res, ms));
const getUserIdFromHref = href => {
const match = href.match(/\/users\/(\d+)/);
return match ? match[1] : null;
};
const highlightFollowed = (userId, isFollowed) => {
const matches = document.querySelectorAll(`[data-gtm-value="${userId}"]`);
matches.forEach(el => {
const wrapper = el.closest('.sc-5a760b36-1.dUCFCr');
if (!wrapper) return;
const applied = wrapper.dataset.followMarked === 'true';
if (isFollowed && !applied) {
wrapper.style.border = '2px solid limegreen';
wrapper.style.borderRadius = '6px';
wrapper.style.padding = '2px';
wrapper.dataset.followMarked = 'true';
} else if (!isFollowed && applied) {
wrapper.style.border = '';
wrapper.style.borderRadius = '';
wrapper.style.padding = '';
wrapper.dataset.followMarked = 'false';
}
});
};
const fetchUserInfo = async (userId) => {
if (processed.has(userId)) {
highlightFollowed(userId, processed.get(userId));
return;
}
const url = `https://www.pixiv.net/ajax/user/${userId}?full=1&lang=en`;
try {
const res = await fetch(url, { credentials: 'include' });
const json = await res.json();
if (!json.error) {
const name = json.body.name;
const isFollowed = json.body.isFollowed;
processed.set(userId, isFollowed);
highlightFollowed(userId, isFollowed);
// console.log(`[${name}] (${userId}) Followed: ${isFollowed}`);
}
} catch (err) {
console.error(`Error fetching user ${userId}:`, err);
}
};
const processQueue = async () => {
while (true) {
if (queue.length > 0) {
const userId = queue.shift();
await fetchUserInfo(userId);
}
await delay(300 + Math.random() * 200);
}
};
const scanPage = () => {
const seenThisScan = new Set();
document.querySelectorAll('a[href*="/users/"]').forEach(link => {
const userId = getUserIdFromHref(link.getAttribute('href'));
if (!userId || seenThisScan.has(userId)) return;
seenThisScan.add(userId);
// Nếu user chưa được quét, đưa vào queue
if (!scanned.has(userId)) {
scanned.add(userId);
queue.push(userId);
}
// Gọi highlight nếu đã có data
if (processed.has(userId)) {
highlightFollowed(userId, processed.get(userId));
}
});
};
const observeFollowButtons = () => {
document.body.addEventListener('click', (e) => {
const btn = e.target.closest('[data-gtm-user-id]');
if (btn) {
const userId = btn.getAttribute('data-gtm-user-id');
if (!userId) return;
// Toggle trạng thái hiện tại
const current = processed.get(userId) === true;
const newState = !current;
processed.set(userId, newState);
highlightFollowed(userId, newState);
// console.log(`[Follow toggled manually] ${userId} → ${newState}`);
// (Optional) sync lại sau vài giây với server
setTimeout(async () => {
try {
const res = await fetch(`https://www.pixiv.net/ajax/user/${userId}?full=1&lang=en`, { credentials: 'include' });
const json = await res.json();
if (!json.error) {
const actual = json.body.isFollowed;
processed.set(userId, actual);
highlightFollowed(userId, actual);
// console.log(`[Synced follow status] ${userId} → ${actual}`);
}
} catch (e) {
console.warn(`Sync failed for ${userId}`);
}
}, 3000); // đợi cho chắc
}
}, true);
};
let scanTimeout = null;
const observer = new MutationObserver(() => {
if (scanTimeout) return;
scanTimeout = setTimeout(() => {
scanPage();
scanTimeout = null;
}, 100); // debounce
});
observer.observe(document.body, { childList: true, subtree: true });
scanPage();
processQueue();
observeFollowButtons();
})();