Automatically load and invite all followers of any user in batches of 40
目前為
// ==UserScript==
// @name Invite Recent Users (Auto-load all followers in batches)
// @version 1.5.1
// @description Automatically load and invite all followers of any user in batches of 40
// @match https://scratch.mit.edu/studios/*
// @license MIT
// @grant none
// @namespace https://greasyfork.org/users/1491229
// ==/UserScript==
(function () {
'use strict';
const studioId = location.pathname.split('/')[2];
if (!studioId) return;
const STORAGE_KEY = `invite_recent_users_invited_${studioId}`;
function getInvitedUsers() {
const data = localStorage.getItem(STORAGE_KEY);
return data ? JSON.parse(data) : [];
}
function saveInvitedUser(username) {
const invited = getInvitedUsers();
if (!invited.includes(username)) {
invited.push(username);
localStorage.setItem(STORAGE_KEY, JSON.stringify(invited));
}
}
function getCookie(name) {
const value = `; ${document.cookie}`;
const parts = value.split(`; ${name}=`);
if (parts.length === 2) return parts.pop().split(';').shift();
return null;
}
function waitForElement(selector, timeout = 7000) {
return new Promise((resolve, reject) => {
const el = document.querySelector(selector);
if (el) return resolve(el);
const observer = new MutationObserver(() => {
const elNow = document.querySelector(selector);
if (elNow) {
observer.disconnect();
resolve(elNow);
}
});
observer.observe(document.body, { childList: true, subtree: true });
if (timeout) setTimeout(() => {
observer.disconnect();
reject(new Error('Timeout waiting for element ' + selector));
}, timeout);
});
}
waitForElement('#sa-studio-followers-button').then(refButton => {
const btn = document.createElement('button');
btn.id = 'scratch-invite-recent-btn';
btn.className = 'button';
btn.textContent = 'Invite Recent';
btn.style.marginLeft = '10px';
btn.onclick = () => {
if (document.querySelector('#scratch-invite-modal')) {
document.querySelector('#scratch-invite-modal').remove();
} else {
showPanel();
}
};
refButton.parentNode.insertBefore(btn, refButton.nextSibling);
}).catch(console.warn);
async function checkUserExists(username) {
try {
const res = await fetch(`https://api.scratch.mit.edu/users/${encodeURIComponent(username)}`);
if (!res.ok) return false;
const data = await res.json();
return !!data.username;
} catch {
return false;
}
}
async function fetchUsers(username, offset) {
const url = `https://api.scratch.mit.edu/users/${encodeURIComponent(username)}/followers?limit=40&offset=${offset}`;
const res = await fetch(url);
if (!res.ok) throw new Error('Fetch failed');
const data = await res.json();
return data.map(u => u.username);
}
async function inviteUser(username) {
try {
const csrfToken = getCookie('scratchcsrftoken');
if (!csrfToken) throw new Error('No CSRF token found');
const res = await fetch(
`https://scratch.mit.edu/site-api/users/curators-in/${studioId}/invite_curator/?usernames=${encodeURIComponent(username)}`,
{
method: 'PUT',
credentials: 'include',
headers: {
'X-CSRFToken': csrfToken,
'Content-Type': 'application/json',
'Accept': 'application/json, text/javascript, */*; q=0.01',
'X-Requested-With': 'XMLHttpRequest'
},
body: null
}
);
const json = await res.json();
if (!res.ok) {
throw new Error(json?.detail || 'Unknown error');
}
return true;
} catch (e) {
console.error('Invite error:', e);
return false;
}
}
async function showPanel() {
const modal = document.createElement('div');
modal.id = 'scratch-invite-modal';
modal.style = `
position: fixed; top: 20px; right: 20px; width: 420px; height: 540px;
background: white; border: 2px solid #333; padding: 15px;
z-index: 10000; overflow-y: auto; font-family: Arial,sans-serif;
display: flex; flex-direction: column; border-radius: 5px;
box-shadow: 0 0 15px rgba(0,0,0,0.3);
`;
modal.innerHTML = `
<button title="Close" style="position:absolute;top:5px;right:5px; font-size: 18px; background:none; border:none; cursor:pointer;">×</button>
<h3>Invite Recent Users (Auto-batch)</h3>
<label for="username-input" style="margin-top:10px;">Username to fetch followers:</label>
<input id="username-input" type="text" value="griffpatch" style="width:100%; padding:6px; margin-bottom:10px;"/>
<button id="load-user-btn" style="margin-bottom:10px;">Load Followers</button>
<ul id="user-list" style="flex-grow:1; overflow-y:auto; border:1px solid #ccc; padding-left:20px; background:#fafafa; border-radius:3px; min-height: 200px;"></ul>
<button id="invite-all-btn" style="margin-top:10px;">Invite All</button>
<div id="status" style="margin-top:10px; font-size:0.9rem; color:#333; min-height: 24px;"></div>
`;
document.body.appendChild(modal);
modal.querySelector('button[title="Close"]').onclick = () => modal.remove();
const userInput = modal.querySelector('#username-input');
const loadUserBtn = modal.querySelector('#load-user-btn');
const userListEl = modal.querySelector('#user-list');
const inviteAllBtn = modal.querySelector('#invite-all-btn');
const statusEl = modal.querySelector('#status');
let offset = 0;
let currentUsers = [];
let currentUsername = userInput.value.trim();
let invitedUsers = getInvitedUsers();
let stopLoading = false;
const liMap = new Map(); // username => <li>
function updateStatus(msg) {
statusEl.textContent = msg;
}
async function loadAllUsers(reset = false) {
if (reset) {
offset = 0;
currentUsers = [];
invitedUsers = getInvitedUsers();
userListEl.innerHTML = '';
stopLoading = false;
}
loadUserBtn.disabled = true;
updateStatus('Loading all followers in batches...');
while (!stopLoading) {
try {
const batch = await fetchUsers(currentUsername, offset);
if (batch.length === 0) break;
const filtered = batch.filter(u => !invitedUsers.includes(u));
currentUsers.push(...filtered);
for (const user of filtered) {
const li = document.createElement('li');
li.textContent = user;
li.style.color = '#666';
userListEl.appendChild(li);
liMap.set(user, li);
}
offset += 40;
updateStatus(`Loaded ${currentUsers.length} users...`);
await new Promise(r => setTimeout(r, 500));
} catch (e) {
updateStatus('Failed to fetch more users.');
break;
}
}
updateStatus(`Finished loading ${currentUsers.length} new followers`);
loadUserBtn.disabled = false;
}
async function inviteAll() {
if (currentUsers.length === 0) {
updateStatus('No users to invite.');
return;
}
updateStatus(`Loaded ${currentUsers.length} users...`);
inviteAllBtn.disabled = true;
loadUserBtn.disabled = true;
for (let i = 0; i < currentUsers.length; i++) {
const user = currentUsers[i];
const li = liMap.get(user);
updateStatus(`Inviting ${user} (${i + 1} / ${currentUsers.length})`);
const success = await inviteUser(user);
if (success) {
li.textContent = `✅ ${user}`;
li.style.color = 'green';
saveInvitedUser(user);
updateStatus(`✅ Invited ${user} (${i + 1} / ${currentUsers.length})`);
} else {
li.textContent = `❌ ${user}`;
li.style.color = 'red';
updateStatus(`❌ Failed to invite ${user} (${i + 1} / ${currentUsers.length})`);
}
await new Promise(r => setTimeout(r, 500));
}
updateStatus('All invitations complete!');
currentUsers = [];
inviteAllBtn.disabled = false;
loadUserBtn.disabled = false;
}
loadUserBtn.onclick = async () => {
const inputUser = userInput.value.trim();
if (!inputUser) {
updateStatus('Please enter a username.');
return;
}
updateStatus('Checking user...');
loadUserBtn.disabled = true;
const exists = await checkUserExists(inputUser);
if (!exists) {
updateStatus('User not found.');
loadUserBtn.disabled = false;
return;
}
currentUsername = inputUser;
await loadAllUsers(true);
};
inviteAllBtn.onclick = inviteAll;
await loadAllUsers(true);
}
})();