Daan MeijerandClaude Opus 5.5
e1392608d8
- API: min_size and max_size in MB, ext as a comma-separated list. An extension matches as a whole word in search_text (file and entry names, dots as spaces), so "iso" finds .iso files but not "ISOLATION", which a plain search word matched as a substring. The trigram index serves it. - Web UI: a size range and an extension field in the filter row, kept in the URL like the other filters. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
560 lines
22 KiB
JavaScript
560 lines
22 KiB
JavaScript
// Usenet Indexer web interface. No framework; all Usenet-derived text is
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// rendered with textContent, never as HTML.
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const $ = (selector) => document.querySelector(selector)
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const FILTERS = ['readable', 'complete', 'hide_encrypted', 'par2_only']
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/** Text inputs that narrow a search: size bounds in MB and file extensions. */
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const FIELDS = ['min_size', 'max_size', 'ext']
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const SOURCE_LABELS = {
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stem: 'Filename',
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subject: 'Subject',
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post: 'Post id',
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par2: 'par2 contents',
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rar: 'RAR headers',
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'weak-stem': 'Obfuscated filename',
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nzb: 'Posted NZB',
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spot: 'Spotnet',
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}
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const state = {
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q: '',
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sort: 'newest',
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source: '',
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poster: '',
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min_size: '',
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max_size: '',
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ext: '',
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readable: false,
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complete: false,
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hide_encrypted: false,
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par2_only: false,
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page: 1,
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release: null,
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}
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let requestId = 0
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let searchAbort = null
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// --- Formatting ------------------------------------------------------------
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function formatSize(bytes) {
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if (!bytes) return '–'
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const units = ['B', 'KB', 'MB', 'GB', 'TB']
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let value = bytes
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let unit = 0
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while (value >= 1000 && unit < units.length - 1) {
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value /= 1000
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unit++
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}
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return `${value >= 100 || unit === 0 ? Math.round(value) : value.toFixed(1)} ${units[unit]}`
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}
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const number = new Intl.NumberFormat()
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function formatAge(date) {
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if (!date) return ''
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const seconds = (Date.now() - new Date(date).getTime()) / 1000
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if (seconds < 90) return 'just now'
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const steps = [
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[60, 'minute'],
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[3600, 'hour'],
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[86400, 'day'],
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[2592000, 'month'],
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[31536000, 'year'],
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]
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let [size, name] = steps[0]
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for (const step of steps) if (seconds >= step[0]) [size, name] = step
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const n = Math.floor(seconds / size)
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return `${n} ${name}${n === 1 ? '' : 's'} ago`
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}
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function el(tag, props = {}, ...children) {
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const node = document.createElement(tag)
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for (const [key, value] of Object.entries(props)) {
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if (value === undefined || value === null || value === false) continue
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if (key === 'class') node.className = value
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else if (key === 'text') node.textContent = value
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else if (key.startsWith('on')) node.addEventListener(key.slice(2), value)
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else node.setAttribute(key, value === true ? '' : value)
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}
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for (const child of children.flat()) {
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if (child === null || child === undefined || child === false) continue
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node.append(child instanceof Node ? child : document.createTextNode(String(child)))
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}
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return node
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}
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function badge(text, tone = '', title) {
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return el('span', { class: `badge${tone ? ` badge-${tone}` : ''}`, text, title })
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}
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// --- URL state -------------------------------------------------------------
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function readUrl() {
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const params = new URLSearchParams(location.search)
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state.q = params.get('q') ?? ''
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state.sort = params.get('sort') ?? 'newest'
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state.source = params.get('source') ?? ''
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state.poster = params.get('poster') ?? ''
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for (const k of FIELDS) state[k] = params.get(k) ?? ''
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for (const f of FILTERS) state[f] = params.get(f) === '1'
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state.release = params.get('release') ? Number(params.get('release')) : null
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}
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function writeUrl(push = false) {
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const params = new URLSearchParams()
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if (state.q) params.set('q', state.q)
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if (state.sort !== 'newest') params.set('sort', state.sort)
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if (state.source) params.set('source', state.source)
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if (state.poster) params.set('poster', state.poster)
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for (const k of FIELDS) if (state[k]) params.set(k, state[k])
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for (const f of FILTERS) if (state[f]) params.set(f, '1')
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if (state.release) params.set('release', String(state.release))
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const url = `${location.pathname}${params.size ? `?${params}` : ''}`
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history[push ? 'pushState' : 'replaceState'](null, '', url)
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}
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function syncControls() {
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$('#q').value = state.q
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$('#sort').value = state.sort
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$('#source').value = state.source
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for (const k of FIELDS) $(`#${k}`).value = state[k]
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for (const f of FILTERS) {
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document.querySelector(`[data-filter="${f}"]`).setAttribute('aria-pressed', String(state[f]))
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}
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$('#poster-filter').hidden = !state.poster
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$('#poster-filter-label').textContent = `Poster: ${state.poster}`
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}
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// --- API -------------------------------------------------------------------
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async function api(path, { signal } = {}) {
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const response = await fetch(path, { headers: { accept: 'application/json' }, signal })
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if (!response.ok) throw new Error(`${response.status} ${response.statusText}`)
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return response.json()
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}
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function searchParams(page) {
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const params = new URLSearchParams({ sort: state.sort, page: String(page), per_page: '50' })
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if (state.q) params.set('q', state.q)
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if (state.source) params.set('source', state.source)
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if (state.poster) params.set('poster', state.poster)
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for (const k of FIELDS) if (state[k]) params.set(k, state[k])
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for (const f of FILTERS) if (state[f]) params.set(f, '1')
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return params
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}
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// --- Stats -----------------------------------------------------------------
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async function loadStats() {
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try {
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const stats = await api('/api/v1/stats')
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const readable = stats.releases ? Math.round((100 * stats.readableReleases) / stats.releases) : 0
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// Estimated from Postgres statistics and a sample (CONCEPT.md D33).
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const about = stats.approximate ? '≈ ' : ''
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const items = [
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['Releases', about + number.format(stats.releases)],
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['Readable', `${about}${readable}%`],
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['Files', about + number.format(stats.files)],
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['Size', about + formatSize(stats.size)],
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['Indexed', formatAge(stats.lastIndexedAt) || '–'],
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]
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$('#stats').replaceChildren(...items.map(([dt, dd]) => el('div', {}, el('dt', { text: dt }), el('dd', { text: dd }))))
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} catch {
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// Stats are decoration; the page works without them.
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}
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}
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// --- Results ---------------------------------------------------------------
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function releaseRow(release) {
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const row = $('#row-template').content.firstElementChild.cloneNode(true)
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row.dataset.id = release.id
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if (release.id === state.release) row.classList.add('selected')
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const name = row.querySelector('.release-name')
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name.textContent = release.name
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if (!release.readable) name.classList.add('obfuscated')
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const meta = [
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formatAge(release.postedAt),
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release.poster ? release.poster.replace(/\s*<.*>$/, '') : 'obfuscated poster',
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release.groups?.length ? release.groups[0] + (release.groups.length > 1 ? ` +${release.groups.length - 1}` : '') : '',
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].filter(Boolean)
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row.querySelector('.release-meta').textContent = meta.join(' · ')
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const badges = row.querySelector('.badges')
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if (release.par2Only) badges.append(badge('par2 only', 'warn', 'Only the par2 files arrived; the data they describe is missing'))
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if (release.container === 'nzbe') badges.append(badge('Encrypted NZB', 'bad', 'An encrypted NZB container: unusable without its key'))
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else if (release.container === 'rclone') badges.append(badge('Encrypted (rclone)', 'bad', 'rclone crypt: names and contents encrypted, unusable without the key'))
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else if (release.container === 'yencbin') badges.append(badge('Encrypted (.bin)', 'bad', 'An encrypted .bin container (yEncBin): unusable without its key'))
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else if (release.passwordState === 'missing') badges.append(badge('Password needed', 'bad', 'Password-protected archive; the password is not known'))
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else if (release.passwordState === 'known') {
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badges.append(badge('Password known', 'good', 'The password is in the NZB; SABnzbd and NZBGet use it to unpack'))
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}
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const files = `${release.fileCount} ${release.fileCount === 1 ? 'file' : 'files'}`
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if (release.listingOnly) badges.append(badge('Spot', 'accent', 'A Spotnet spot: its NZB is fetched from Usenet when you download it'))
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else if (release.complete) badges.append(badge(files, 'good', 'Complete'))
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else if (release.fileTotal) badges.append(badge(`${release.fileCount}/${release.fileTotal}`, 'warn', 'Files present / announced'))
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else if (release.listedFiles) {
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badges.append(badge(`${release.listedPresent}/${release.listedFiles} listed`, 'warn', 'Files the par2 set lists: present / total'))
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} else badges.append(badge(files))
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if (release.source && release.source !== 'stem' && release.source !== 'subject') {
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badges.append(badge(SOURCE_LABELS[release.source] ?? release.source, 'accent', 'How this release was recognised'))
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}
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row.querySelector('.release-size').textContent = formatSize(release.size)
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const nzb = row.querySelector('.nzb')
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nzb.href = `/api/v1/releases/${release.id}/nzb`
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row.querySelector('.release-main').addEventListener('click', () => openRelease(release.id, true))
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return row
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}
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async function loadResults({ append = false } = {}) {
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const id = ++requestId
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if (!append) state.page = 1
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// A newer search makes the running one pointless: cancel it.
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searchAbort?.abort()
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const abort = (searchAbort = new AbortController())
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$('#more').hidden = true
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if (!append) {
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$('#summary').textContent = 'Searching…'
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$('#empty').hidden = true
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// The old rows no longer match the search; grey them out until the new ones arrive.
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$('#list').classList.add('stale')
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$('.results').setAttribute('aria-busy', 'true')
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}
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try {
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const result = await api(`/api/v1/releases?${searchParams(state.page)}`, { signal: abort.signal })
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if (id !== requestId) return // a newer search superseded this one
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$('#list').classList.remove('stale')
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$('.results').removeAttribute('aria-busy')
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const rows = result.releases.map(releaseRow)
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if (append) $('#list').append(...rows)
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else $('#list').replaceChildren(...rows)
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const shown = $('#list').children.length
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$('#summary').textContent =
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result.total === 0 ? '' : `${number.format(result.total)}${result.totalCapped ? '+' : ''} ${result.total === 1 ? 'release' : 'releases'}` +
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(shown < result.total ? ` · showing ${number.format(shown)}` : '')
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$('#empty').hidden = result.total !== 0
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$('#more').hidden = shown >= result.total && !result.totalCapped
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} catch (error) {
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if (id !== requestId) return
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$('#list').classList.remove('stale')
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$('.results').removeAttribute('aria-busy')
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$('#summary').textContent = `Search failed: ${error.message}`
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}
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}
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let debounce
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function scheduleSearch() {
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clearTimeout(debounce)
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debounce = setTimeout(() => {
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writeUrl()
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loadResults()
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}, 220)
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}
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// --- Detail drawer ---------------------------------------------------------
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function fact(label, value) {
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if (value === null || value === undefined || value === '') return null
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return el('div', {}, el('dt', { text: label }), el('dd', {}, value))
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}
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function section(title, note, content) {
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return [el('h3', { class: 'section-title' }, title, note ? el('small', { text: note }) : null), content]
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}
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/**
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* Spotnet descriptions use UBB markup: [br], [b], [i], [u], [url=…]…[/url].
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* Built as DOM nodes (never HTML); links only when they are http(s).
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*/
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function ubb(text) {
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const root = el('div', { class: 'spot-description' })
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const stack = [root]
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const top = () => stack[stack.length - 1]
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// Old (key 1) spots use HTML instead: line breaks and simple tags become UBB, the rest is dropped.
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text = text
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.replace(/<br\s*\/?>/gi, '[br]')
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.replace(/<(\/?)(b|i|u)>/gi, '[$1$2]')
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.replace(/<\/?[a-z][^>]*>/gi, '')
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for (const token of text.split(/(\[\/?[a-z]+(?:=[^\]]*)?\])/i)) {
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const tag = /^\[(\/?)([a-z]+)(?:=([^\]]*))?\]$/i.exec(token)
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if (!tag) {
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if (token) top().append(token)
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continue
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}
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const [, closing, rawName, arg] = tag
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const name = rawName.toLowerCase()
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if (name === 'br') {
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top().append(el('br'))
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} else if (!closing && ['b', 'i', 'u', 'url'].includes(name)) {
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const url = name === 'url' ? (arg ?? '').trim() : ''
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const node = name === 'url'
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? /^https?:\/\//i.test(url) ? el('a', { href: url, target: '_blank', rel: 'noopener noreferrer nofollow' }) : el('span')
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: el({ b: 'strong', i: 'em', u: 'u' }[name])
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node.dataset.ubb = name
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top().append(node)
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stack.push(node)
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} else if (closing && stack.length > 1 && top().dataset.ubb === name) {
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stack.pop()
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}
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// Other tags ([img], [color=…], …) are dropped.
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}
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return root
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}
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function spotSection(release) {
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const spot = release.spot
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if (!spot) return []
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const image = spot.image?.url
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? el('img', {
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class: 'spot-image',
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src: spot.image.url,
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alt: '',
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loading: 'lazy',
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width: spot.image.width ?? undefined,
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height: spot.image.height ?? undefined,
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onerror: (event) => event.target.remove(),
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})
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: null
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const categories = spot.categories?.head
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? el('dl', { class: 'facts' },
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fact('Category', spot.categories.head),
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...spot.categories.subcats.map((sub) => fact(sub.type, sub.values.join(', '))))
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: null
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const links = el('div', { class: 'spot-links' },
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spot.website && /^https?:\/\//i.test(spot.website)
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? el('a', { href: spot.website, target: '_blank', rel: 'noopener noreferrer nofollow', text: spot.website })
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: null,
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spot.image?.external
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? el('a', { href: spot.image.external, target: '_blank', rel: 'noopener noreferrer nofollow', text: 'Image (external site)' })
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: null)
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const note = [spot.poster && `by ${spot.poster}`, spot.tag && spot.tag !== spot.poster && `tag ${spot.tag}`].filter(Boolean).join(' · ')
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return section('Spot', note, el('div', { class: 'spot' },
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image,
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el('div', { class: 'spot-body' },
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categories,
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spot.description ? ubb(spot.description) : el('p', { class: 'empty', text: 'No description.' }),
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links.childElementCount ? links : null)))
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}
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function renderDetail(release) {
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$('#detail-name').textContent = release.name
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$('#detail-source').textContent = `Recognised by ${SOURCE_LABELS[release.source] ?? release.source ?? 'filename'}`
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const actions = el(
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'div',
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{ class: 'actions' },
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el('a', { class: 'button button-primary', href: `/api/v1/releases/${release.id}/nzb` },
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el('span', { text: 'Download NZB' })),
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el('button', {
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class: 'button',
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type: 'button',
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text: 'Copy name',
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onclick: async (event) => {
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await navigator.clipboard?.writeText(release.name)
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event.target.textContent = 'Copied'
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setTimeout(() => (event.target.textContent = 'Copy name'), 1200)
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},
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})
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)
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const poster = release.poster
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? el('button', {
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class: 'link-button',
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type: 'button',
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text: release.poster.replace(/\s*<.*>$/, ''),
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title: 'Show releases by this poster',
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onclick: () => {
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state.poster = release.poster
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closeRelease()
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syncControls()
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writeUrl(true)
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loadResults()
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},
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})
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: 'Random per article (obfuscated)'
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const listedPresent = release.par2Files.filter((f) => f.present).length
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const facts = el(
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'dl',
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{ class: 'facts' },
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fact('Size', formatSize(release.size)),
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fact('Files', release.fileTotal ? `${release.fileCount} of ${release.fileTotal}` : `${release.fileCount} posted`),
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fact('par2 lists', release.par2Files.length ? `${listedPresent} of ${release.par2Files.length} present` : null),
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fact('Posted', release.postedAt ? `${new Date(release.postedAt).toLocaleString()} (${formatAge(release.postedAt)})` : null),
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fact('Poster', poster),
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fact('Groups', release.groups?.join(', '))
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)
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const notices = []
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if (release.container === 'nzbe') {
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notices.push(el('div', { class: 'notice notice-bad', text: 'Encrypted NZB container ("nzbe"): an encrypted download index for others, unreadable without its key.' }))
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} else if (release.container === 'yencbin') {
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notices.push(el('div', { class: 'notice notice-bad', text: 'Encrypted .bin container (from the yEncBin uploader): the data is encrypted with a key that is not part of the post.' }))
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} else if (release.container === 'rclone') {
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notices.push(el('div', { class: 'notice notice-bad', text: 'rclone crypt: file names and contents are encrypted with a password and salt that are not part of the post.' }))
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} else if (release.passwordState === 'missing') {
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notices.push(el('div', { class: 'notice notice-bad', text: 'Password needed: the archive is password-protected, and neither the post nor its spot says the password.' }))
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}
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if (release.password) {
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notices.push(el('div', { class: 'notice notice-good' },
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el('div', {}, 'Password ', el('code', { class: 'password', text: release.password }),
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release.passwordSource === 'spot' ? ' (from the spot\'s description)' : '',
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` is included in the NZB; SABnzbd and NZBGet use it to unpack.${release.encrypted == null ? ' Whether the archive needs it is not known yet.' : ''}`)))
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}
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if (release.listingOnly) {
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notices.push(el('div', { class: 'notice' },
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`A Spotnet spot${release.spot?.poster ? ` by ${release.spot.poster}` : ''}. Its files are read from the spot's NZB on Usenet when you download it; that takes a few seconds the first time.`))
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}
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if (release.pending.binaries > 0) {
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const pct = release.pending.partsTotal ? Math.round((100 * release.pending.partsHave) / release.pending.partsTotal) : 0
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notices.push(
|
||
el('div', { class: 'notice notice-warn' },
|
||
el('div', { style: 'flex:1' },
|
||
`${release.pending.binaries} more ${release.pending.binaries === 1 ? 'file is' : 'files are'} still arriving (${pct}% of their parts seen).`,
|
||
el('div', { class: 'progress' }, el('span', { style: `width:${pct}%` }))))
|
||
)
|
||
}
|
||
|
||
const files = el('table', { class: 'file-table' },
|
||
el('tbody', {}, release.files.map((f) =>
|
||
el('tr', {},
|
||
el('td', { class: 'name' }, f.name,
|
||
f.realName && f.realName !== f.postedName ? el('span', { class: 'posted', text: `posted as ${f.postedName}` }) : null),
|
||
el('td', { class: 'num', text: formatSize(f.size) }),
|
||
el('td', { class: 'num', text: `${f.parts} ${f.parts === 1 ? 'part' : 'parts'}` })))))
|
||
|
||
const par2 = release.par2Files.length
|
||
? el('table', { class: 'file-table' },
|
||
el('tbody', {}, release.par2Files.map((f) =>
|
||
el('tr', {},
|
||
el('td', { class: `state ${f.present ? 'ok' : 'missing'}`, text: f.present ? '✓' : '·', title: f.present ? 'Present' : 'Not seen yet' }),
|
||
el('td', { class: 'name', text: f.name }),
|
||
el('td', { class: 'num', text: formatSize(f.size) })))))
|
||
: null
|
||
|
||
const contents = release.contents.length
|
||
? el('table', { class: 'file-table' },
|
||
el('tbody', {}, release.contents.map((entry) =>
|
||
el('tr', {},
|
||
el('td', { class: 'name', text: entry.name + (entry.directory ? '/' : '') }),
|
||
el('td', { class: 'num', text: entry.size === null ? '' : formatSize(entry.size) }),
|
||
el('td', { class: 'state', text: entry.encrypted ? '🔒' : '', title: entry.encrypted ? 'Encrypted' : undefined })))))
|
||
: null
|
||
|
||
$('#detail').replaceChildren(
|
||
actions,
|
||
...notices,
|
||
facts,
|
||
...spotSection(release),
|
||
...section('Files', `${release.files.length} posted`, files),
|
||
...(par2 ? section('par2 file list', `${listedPresent} of ${release.par2Files.length} present`, par2) : []),
|
||
...(contents ? section('Archive contents', `${release.contents.length} entries`, contents) : [])
|
||
)
|
||
}
|
||
|
||
async function openRelease(id, push = false) {
|
||
state.release = id
|
||
writeUrl(push)
|
||
document.querySelectorAll('.release.selected').forEach((r) => r.classList.remove('selected'))
|
||
document.querySelector(`.release[data-id="${id}"]`)?.classList.add('selected')
|
||
|
||
$('#drawer').hidden = false
|
||
$('#scrim').hidden = false
|
||
$('#detail-name').textContent = ''
|
||
$('#detail-source').textContent = ''
|
||
$('#detail').replaceChildren(...Array.from({ length: 6 }, () => el('div', { class: 'skeleton' })))
|
||
$('#close').focus()
|
||
try {
|
||
renderDetail(await api(`/api/v1/releases/${id}`))
|
||
} catch (error) {
|
||
$('#detail').replaceChildren(el('p', { class: 'empty', text: `Could not load this release (${error.message}).` }))
|
||
}
|
||
}
|
||
|
||
function closeRelease(push = false) {
|
||
if (!state.release) return
|
||
const id = state.release
|
||
state.release = null
|
||
$('#drawer').hidden = true
|
||
$('#scrim').hidden = true
|
||
writeUrl(push)
|
||
document.querySelector(`.release[data-id="${id}"] .release-main`)?.focus()
|
||
}
|
||
|
||
// --- Wiring ----------------------------------------------------------------
|
||
|
||
$('#q').addEventListener('input', (event) => {
|
||
state.q = event.target.value.trim()
|
||
scheduleSearch()
|
||
})
|
||
for (const k of FIELDS) {
|
||
$(`#${k}`).addEventListener('input', (event) => {
|
||
state[k] = event.target.value.trim()
|
||
scheduleSearch()
|
||
})
|
||
}
|
||
$('#sort').addEventListener('change', (event) => {
|
||
state.sort = event.target.value
|
||
writeUrl()
|
||
loadResults()
|
||
})
|
||
$('#source').addEventListener('change', (event) => {
|
||
state.source = event.target.value
|
||
writeUrl()
|
||
loadResults()
|
||
})
|
||
for (const button of document.querySelectorAll('[data-filter]')) {
|
||
button.addEventListener('click', () => {
|
||
const f = button.dataset.filter
|
||
state[f] = !state[f]
|
||
button.setAttribute('aria-pressed', String(state[f]))
|
||
writeUrl()
|
||
loadResults()
|
||
})
|
||
}
|
||
$('#poster-clear').addEventListener('click', () => {
|
||
state.poster = ''
|
||
syncControls()
|
||
writeUrl()
|
||
loadResults()
|
||
})
|
||
$('#more').addEventListener('click', () => {
|
||
state.page++
|
||
loadResults({ append: true })
|
||
})
|
||
$('#close').addEventListener('click', () => closeRelease(true))
|
||
$('#scrim').addEventListener('click', () => closeRelease(true))
|
||
|
||
document.addEventListener('keydown', (event) => {
|
||
if (event.key === 'Escape') closeRelease(true)
|
||
if (event.key === '/' && document.activeElement !== $('#q')) {
|
||
event.preventDefault()
|
||
$('#q').focus()
|
||
$('#q').select()
|
||
}
|
||
})
|
||
|
||
window.addEventListener('popstate', () => {
|
||
const previous = { ...state }
|
||
readUrl()
|
||
syncControls()
|
||
const searchChanged = ['q', 'sort', 'source', 'poster', ...FIELDS, ...FILTERS].some((k) => previous[k] !== state[k])
|
||
if (searchChanged) loadResults()
|
||
if (state.release && state.release !== previous.release) openRelease(state.release)
|
||
if (!state.release && previous.release) {
|
||
$('#drawer').hidden = true
|
||
$('#scrim').hidden = true
|
||
}
|
||
})
|
||
|
||
readUrl()
|
||
syncControls()
|
||
loadStats()
|
||
loadResults()
|
||
if (state.release) openRelease(state.release)
|