Adds discovery and export tools to Learning on Screen / Box of Broadcasts public pages. DOES NOT bypass login or fetch protected files. Use to export metadata, bulk-open listing pages, and search public archives for titles.
// ==UserScript==
// @name BoB-For-Free (Discovery Helper) — Legal Discovery Tools
// @namespace https://example.local
// @version 1.0
// @description Adds discovery and export tools to Learning on Screen / Box of Broadcasts public pages. DOES NOT bypass login or fetch protected files. Use to export metadata, bulk-open listing pages, and search public archives for titles.
// @author ChatGPT
// @match https://learningonscreen.ac.uk/ondemand/*
// @grant GM_setClipboard
// @grant none
// ==/UserScript==
(function () {
'use strict';
/* --- CONFIG --- */
const TOOLBAR_ID = 'bob-discovery-toolbar';
const BUTTON_STYLE = 'margin:4px;padding:6px 8px;border-radius:4px;border:1px solid #888;background:#fff;cursor:pointer;';
/* --------------- */
function createToolbar() {
if (document.getElementById(TOOLBAR_ID)) return;
const bar = document.createElement('div');
bar.id = TOOLBAR_ID;
bar.style = 'position:fixed;right:12px;top:80px;z-index:9999;padding:8px;border:1px solid rgba(0,0,0,0.12);background:rgba(255,255,255,0.97);box-shadow:0 2px 8px rgba(0,0,0,0.08);font-family:Arial,Helvetica,sans-serif;font-size:13px;max-width:320px;';
bar.innerHTML = `<strong style="display:block;margin-bottom:6px;">BoB Discovery Helper</strong>`;
document.body.appendChild(bar);
addButton(bar, 'Export visible metadata (CSV)', exportCSV);
addButton(bar, 'Copy metadata to clipboard (TSV)', copyTSV);
addButton(bar, 'Bulk-open result pages (tab per item)', bulkOpen);
addButton(bar, 'Search Archive.org for titles', searchArchiveOrg);
addButton(bar, 'Search Google Video for titles', searchGoogleVideo);
addButton(bar, 'Refresh detected items', () => {
scanItems(true);
alert('Refreshed.');
});
const hint = document.createElement('div');
hint.style = 'margin-top:8px;font-size:12px;color:#444';
hint.innerText = 'Works only with metadata visible on public listing pages. Does not access protected video files.';
bar.appendChild(hint);
}
function addButton(container, text, handler) {
const btn = document.createElement('button');
btn.type = 'button';
btn.style = BUTTON_STYLE;
btn.textContent = text;
btn.addEventListener('click', handler);
container.appendChild(btn);
}
// ---- Item scanning ----
let cachedItems = null;
function scanItems(force = false) {
if (cachedItems && !force) return cachedItems;
// Try to detect common structures on BoB listing/search pages.
// We only read text visible on the page (title, broadcaster, date, duration, page link).
const items = [];
// Many BoB listing pages use li.search-result or div.programme; try multiple selectors.
const selectors = [
'li.search-result', // older pattern
'.search-result', // generic
'.programme', // possible pattern
'.card', // fallback
'.result' // fallback
];
let nodes = [];
for (const s of selectors) {
const found = Array.from(document.querySelectorAll(s));
if (found.length) {
nodes = found;
break;
}
}
// Generic fallback: try list items with links and dates
if (!nodes.length) {
nodes = Array.from(document.querySelectorAll('a[href*="/ondemand/"], article, li')).slice(0, 200);
}
nodes.forEach((node) => {
try {
// Title
let title = '';
const titleEl = node.querySelector('h3, h2, .title, .programme-title, a');
if (titleEl) title = titleEl.textContent.trim();
// Link (page)
let link = '';
const a = node.querySelector('a[href*="/ondemand/"]');
if (a) link = a.href;
// Broadcaster / channel
let broadcaster = '';
const bEl = node.querySelector('.broadcaster, .channel, .station, .publisher');
if (bEl) broadcaster = bEl.textContent.trim();
// Date / Air date
let date = '';
const dateEl = Array.from(node.querySelectorAll('time, .date, .broadcast-date, .air-date')).find(Boolean);
if (dateEl) date = dateEl.textContent.trim();
// Duration
let duration = '';
const durEl = node.querySelector('.duration, .length, .running-time');
if (durEl) duration = durEl.textContent.trim();
// summary or description
let summary = '';
const sumEl = node.querySelector('.summary, .description, .synopsis, p');
if (sumEl) summary = sumEl.textContent.trim().replace(/\s+/g,' ').slice(0,400);
if (!title && !link) return;
items.push({ title, broadcaster, date, duration, summary, link });
} catch (e) {
// ignore node if parsing fails
}
});
// Deduplicate by link or title
const unique = [];
const seen = new Set();
for (const it of items) {
const key = (it.link || it.title).toLowerCase();
if (!seen.has(key)) {
seen.add(key);
unique.push(it);
}
}
cachedItems = unique;
return unique;
}
// ---- Actions ----
function exportCSV() {
const items = scanItems();
if (!items.length) { alert('No items detected on this page. Try on a search/listing page.'); return; }
const rows = [['Title','Broadcaster','Date','Duration','Link','Summary']];
items.forEach(it => rows.push([escapeCSV(it.title), escapeCSV(it.broadcaster), escapeCSV(it.date), escapeCSV(it.duration), it.link, escapeCSV(it.summary)]));
const csv = rows.map(r => r.join(',')).join('\n');
downloadText(csv, `bob_metadata_${safeFilename(document.title)}.csv`, 'text/csv;charset=utf-8;');
}
function copyTSV() {
const items = scanItems();
if (!items.length) { alert('No items detected on this page.'); return; }
const lines = items.map(it => [it.title, it.broadcaster, it.date, it.duration, it.link, it.summary].join('\t'));
const tsv = lines.join('\n');
// Try to use GM_setClipboard if available, otherwise fallback to navigator.clipboard
if (typeof GM_setClipboard === 'function') {
GM_setClipboard(tsv);
alert('Metadata copied to clipboard (TSV).');
} else if (navigator.clipboard && navigator.clipboard.writeText) {
navigator.clipboard.writeText(tsv).then(()=> alert('Metadata copied to clipboard (TSV).')).catch(()=> alert('Clipboard failed — copy manually.'));
} else {
prompt('Copy the metadata below (TSV):', tsv);
}
}
function bulkOpen() {
const items = scanItems();
if (!items.length) { alert('No items detected to open.'); return; }
const filtered = items.filter(it => it.link);
if (!filtered.length) { alert('No item links found to open.'); return; }
const confirmCount = Math.min(filtered.length, 25);
if (!confirm(`Open ${confirmCount} pages in new tabs? (This will open up to 25 tabs)`)) return;
for (let i = 0; i < Math.min(filtered.length, 25); i++) {
window.open(filtered[i].link, '_blank');
}
}
function searchArchiveOrg() {
const items = scanItems();
if (!items.length) { alert('No items detected.'); return; }
// Build a search query for archive.org for each title; open first 6 in new tabs
const queries = items.map(it => encodeURIComponent(it.title + ' ' + (it.broadcaster||'')).replace(/%20%20/g,'%20')).filter(Boolean).slice(0,6);
if (!queries.length) return alert('No suitable titles to search.');
queries.forEach(q => window.open('https://archive.org/search.php?query=' + q, '_blank'));
}
function searchGoogleVideo() {
const items = scanItems();
if (!items.length) { alert('No items detected.'); return; }
const queries = items.map(it => encodeURIComponent(it.title + ' ' + (it.broadcaster||'')).replace(/%20%20/g,'%20')).filter(Boolean).slice(0,6);
queries.forEach(q => window.open('https://www.google.com/search?q=' + q + '&tbm=vid', '_blank'));
}
// ---- Helpers ----
function escapeCSV(s) {
if (s == null) return '';
s = String(s).replace(/"/g,'""');
if (s.includes(',') || s.includes('"') || s.includes('\n')) return `"${s}"`;
return s;
}
function downloadText(text, filename, mime='text/plain') {
const blob = new Blob([text], { type: mime });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
a.remove();
setTimeout(() => URL.revokeObjectURL(url), 1000);
}
function safeFilename(s) {
return (s || 'export').replace(/[^a-z0-9\-_\.]/ig,'_').slice(0,120);
}
// add toolbar after DOM loaded
function tryInit() {
createToolbar();
scanItems();
}
if (document.readyState === 'complete' || document.readyState === 'interactive') {
tryInit();
} else {
window.addEventListener('DOMContentLoaded', tryInit);
}
// optional: refresh cache on navigation or ajax updates
new MutationObserver(() => { cachedItems = null; }).observe(document.body, { childList: true, subtree: true });
// Provide keyboard shortcut (press "D" while not in an input to copy TSV)
window.addEventListener('keydown', (e) => {
if (e.key === 'D' && !/INPUT|TEXTAREA|SELECT/.test(document.activeElement.tagName)) {
e.preventDefault();
copyTSV();
}
});
})();