485 lines
20 KiB
TypeScript
485 lines
20 KiB
TypeScript
/**
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* Vite dev middleware exposing one or more local doocus output trees.
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*
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* Each output dir is a "collection" (its own index.json + sidecars + source
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* root). The client can turn collections on/off; file paths are composite —
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* "<collectionId>/<relpath>" — so a single path identifies both the collection
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* and the file within it. All reads are local; nothing leaves the machine.
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*
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* Routes (path params are composite, query is ?path=/?q=):
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* GET /api/collections available collections
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* GET /api/tree?collections=a,b merged tree of the active collections
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* GET /api/detail?path=<c/rel> node + extracted content + meta + text
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* GET /api/original?path=<c/rel> stream the original (Range-enabled)
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* GET /api/meeting?path=<c/rel> meetus review data for a meeting
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* GET /api/meeting/frame?path=&file= a meeting frame
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* GET /api/runs/:cid (cid=c/rel) meetus-shaped run (for the embed)
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* PUT /api/runs/:cid/review write the meeting's review.json
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* GET /api/search?q=&collections=a,b search cached text across active cols
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*/
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import type { Plugin } from 'vite'
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import type { IncomingMessage, ServerResponse } from 'node:http'
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import { spawn } from 'node:child_process'
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import fs from 'node:fs'
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import fsp from 'node:fs/promises'
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import path from 'node:path'
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interface Options {
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outputDirs: string[] // explicit output dirs (env)
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outputsRoot: string // managed root: UI-scanned sources land here
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repoRoot: string // where process_tree.py lives (run via uv)
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}
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interface Collection {
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id: string
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name: string
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dir: string
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indexPath: string
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}
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interface Node {
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path: string
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name: string
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ext: string
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family: string
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mode: 'extracted' | 'meeting' | 'link'
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bytes: number
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modified: string
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url: string | null
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out?: string
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title?: string
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warnings?: string[]
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}
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interface Index {
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root: string
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files: Node[]
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counts?: Record<string, number>
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}
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const TEXT_EXTS = new Set(['md', 'markdown', 'txt', 'json', 'yaml', 'yml', 'csv', 'html', 'htm'])
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const MIME: Record<string, string> = {
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'.pdf': 'application/pdf', '.png': 'image/png', '.jpg': 'image/jpeg', '.jpeg': 'image/jpeg',
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'.html': 'text/html', '.htm': 'text/html', '.md': 'text/markdown', '.txt': 'text/plain',
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'.csv': 'text/csv', '.json': 'application/json', '.yaml': 'text/yaml', '.yml': 'text/yaml',
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'.docx': 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'.pptx': 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
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'.xlsx': 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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'.mp4': 'video/mp4',
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}
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function buildCollections(dirs: string[]): Collection[] {
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const seen = new Map<string, number>()
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return dirs.map((d) => {
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const dir = path.resolve(d)
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let id = path.basename(dir) || 'output'
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const n = seen.get(id) ?? 0
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seen.set(id, n + 1)
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if (n > 0) id = `${id}-${n + 1}`
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return { id, name: id, dir, indexPath: path.join(dir, 'index.json') }
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})
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}
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export function doocusApi(opts: Options): Plugin {
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/** Collections discovered under the managed root (one subdir per source). */
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function discoverInRoot(): Collection[] {
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let subs: fs.Dirent[] = []
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try { subs = fs.readdirSync(opts.outputsRoot, { withFileTypes: true }) } catch { return [] }
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return subs
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.filter((d) => d.isDirectory() && fs.existsSync(path.join(opts.outputsRoot, d.name, 'index.json')))
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.map((d) => ({
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id: d.name, name: d.name,
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dir: path.join(opts.outputsRoot, d.name),
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indexPath: path.join(opts.outputsRoot, d.name, 'index.json'),
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}))
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}
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/** Current collections = explicit env dirs + managed-root subdirs (deduped,
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* recomputed each request so UI scans appear without a restart). */
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function currentCollections(): Collection[] {
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const out: Collection[] = []
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const seen = new Set<string>()
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for (const c of [...buildCollections(opts.outputDirs), ...discoverInRoot()]) {
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if (out.some((o) => o.dir === c.dir)) continue
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let id = c.id, n = 1
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while (seen.has(id)) { n++; id = `${c.id}-${n}` }
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seen.add(id)
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out.push({ ...c, id })
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}
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return out
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}
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function collectionById(id: string): Collection | undefined {
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return currentCollections().find((c) => c.id === id)
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}
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function readIndexFor(c: Collection): Index | null {
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try { return JSON.parse(fs.readFileSync(c.indexPath, 'utf-8')) } catch { return null }
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}
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/** Split a composite "<collectionId>/<rel>" into its collection + rel path. */
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function splitPath(p: string): { col: Collection; rel: string } | null {
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const i = p.indexOf('/')
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const id = i < 0 ? p : p.slice(0, i)
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const rel = i < 0 ? '' : p.slice(i + 1)
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const col = collectionById(id)
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return col ? { col, rel } : null
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}
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/** Resolve a file within its collection's source root, rejecting traversal. */
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function originalAbs(index: Index, rel: string): string | null {
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const root = path.resolve(index.root)
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const abs = path.resolve(root, rel)
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if (abs !== root && !abs.startsWith(root + path.sep)) return null
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return abs
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}
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function meetusDir(col: Collection, rel: string): { dir: string; stem: string } {
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return { dir: path.join(col.dir, rel + '.meetus'), stem: path.parse(rel).name }
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}
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// Per-collection search index over cached text — rebuilt on index.json change.
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const searchCache = new Map<string, { mtime: number; entries: Array<{ path: string; hay: string; bytes: number }> }>()
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async function readCap(p: string | null, cap = 20_000_000): Promise<string> {
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if (!p) return ''
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try { return (await fsp.readFile(p, 'utf-8')).slice(0, cap) } catch { return '' }
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}
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async function buildSearchIndex(c: Collection): Promise<void> {
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const index = readIndexFor(c)
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let mtime = 0
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try { mtime = fs.statSync(c.indexPath).mtimeMs } catch { /* */ }
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const entries: Array<{ path: string; hay: string; bytes: number }> = []
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for (const f of index?.files ?? []) {
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let text = `${f.path} ${f.title ?? ''}`
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if (f.mode === 'extracted' && f.out) {
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text += ' ' + await readCap(path.join(c.dir, f.out, 'content.md'))
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} else if (f.mode === 'meeting') {
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const { dir, stem } = meetusDir(c, f.path)
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text += ' ' + await readCap(path.join(dir, `${stem}_enhanced.txt`))
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} else if (TEXT_EXTS.has(f.ext) && index) {
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text += ' ' + await readCap(originalAbs(index, f.path))
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}
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entries.push({ path: `${c.id}/${f.path}`, hay: text.toLowerCase(), bytes: f.bytes })
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}
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searchCache.set(c.id, { mtime, entries })
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}
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return {
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name: 'doocus-api',
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configureServer(server) {
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const cols = currentCollections()
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server.config.logger.info(
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`[doocus-api] ${cols.length} collection(s); managed root: ${opts.outputsRoot}`)
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server.middlewares.use('/api', (req, res, next) => {
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const url = new URL(req.url ?? '/', 'http://localhost')
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const parts = url.pathname.split('/').filter(Boolean)
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handle(req, res, parts, url.searchParams).catch((err) => {
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server.config.logger.error(`[doocus-api] ${String(err)}`)
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sendJson(res, 500, { error: String(err) })
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}).then((handled) => { if (!handled) next() })
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})
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},
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}
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async function handle(req: IncomingMessage, res: ServerResponse, parts: string[], q: URLSearchParams): Promise<boolean> {
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if (parts[0] === 'collections') { listCollections(res); return true }
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if (parts[0] === 'scan' && req.method === 'POST') { await runScan(req, res, false); return true }
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if (parts[0] === 'rescan' && req.method === 'POST') { await runScan(req, res, true); return true }
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if (parts[0] === 'tree') { getTree(res, q.get('collections')); return true }
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if (parts[0] === 'detail') { await getDetail(res, q.get('path') ?? ''); return true }
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if (parts[0] === 'original') { await serveOriginal(res, q.get('path') ?? '', req.headers.range); return true }
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if (parts[0] === 'meeting' && parts[1] === 'frame') { serveMeetingFrame(res, q.get('path') ?? '', q.get('file') ?? ''); return true }
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if (parts[0] === 'meeting') { await getMeeting(res, q.get('path') ?? ''); return true }
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if (parts[0] === 'search') { await search(res, q.get('q') ?? '', q.get('collections')); return true }
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if (parts[0] === 'runs' && parts.length >= 2) {
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const id = decodeURIComponent(parts[1])
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if (parts.length === 2 && req.method === 'GET') { await getRunShaped(res, id); return true }
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if (parts.length === 3 && parts[2] === 'review' && req.method === 'PUT') { await saveRunReview(req, res, id); return true }
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}
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return false
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}
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function listCollections(res: ServerResponse): void {
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const out = currentCollections().map((c) => {
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const idx = readIndexFor(c)
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return { id: c.id, name: c.name, available: !!idx, count: idx?.files.length ?? 0 }
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})
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sendJson(res, 200, { collections: out })
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}
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/** Run process_tree.py over a source folder (new scan) or an existing
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* collection's recorded source (rescan), writing to the managed root. */
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async function runScan(req: IncomingMessage, res: ServerResponse, rerun: boolean): Promise<void> {
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let body: { source?: string; id?: string }
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try { body = JSON.parse((await readBody(req)) || '{}') } catch { sendJson(res, 400, { error: 'invalid JSON' }); return }
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let source: string
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let dir: string
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if (rerun) {
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const col = body.id ? collectionById(body.id) : undefined
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const idx = col ? readIndexFor(col) : null
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if (!col || !idx?.root) { sendJson(res, 404, { error: 'collection not found' }); return }
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source = idx.root
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dir = col.dir
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} else {
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source = (body.source ?? '').trim()
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if (!source || !isDir(source)) { sendJson(res, 400, { error: `not a directory: ${source}` }); return }
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const slug = path.basename(path.resolve(source)).replace(/[^\w.-]+/g, '_') || 'source'
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dir = path.join(opts.outputsRoot, slug)
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fs.mkdirSync(opts.outputsRoot, { recursive: true })
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}
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try {
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await runProcessTree(source, dir)
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sendJson(res, 200, { ok: true, id: path.basename(dir) })
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} catch (e) {
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sendJson(res, 500, { error: String(e) })
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}
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}
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/** Spawn `uv run python process_tree.py <source> --output <dir>` at repoRoot. */
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function runProcessTree(source: string, dir: string): Promise<void> {
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return new Promise((resolve, reject) => {
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const child = spawn('uv', ['run', 'python', 'process_tree.py', source, '--output', dir],
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{ cwd: opts.repoRoot })
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let err = ''
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child.stderr.on('data', (d) => { err += d })
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child.on('error', reject)
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child.on('close', (code) => code === 0 ? resolve() : reject(new Error(err || `exit ${code}`)))
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})
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}
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function getTree(res: ServerResponse, activeCsv: string | null): void {
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const active = activeCsv ? new Set(activeCsv.split(',').filter(Boolean)) : null
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const cols = currentCollections().filter((c) => !active || active.has(c.id))
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const files: Array<Node & { collection: string }> = []
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const counts: Record<string, number> = { extracted: 0, meeting: 0, link: 0, total: 0 }
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for (const c of cols) {
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const idx = readIndexFor(c)
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if (!idx) continue
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for (const f of idx.files) {
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files.push({ ...f, collection: c.id, path: `${c.id}/${f.path}` })
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counts[f.mode] = (counts[f.mode] ?? 0) + 1
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counts.total += 1
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}
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}
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sendJson(res, 200, {
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collections: currentCollections().map((c) => ({ id: c.id, name: c.name })),
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files,
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counts,
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})
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}
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async function getDetail(res: ServerResponse, composite: string): Promise<void> {
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const sp = splitPath(composite)
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if (!sp) { sendJson(res, 404, { error: 'collection not found' }); return }
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const idx = readIndexFor(sp.col)
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const node = idx?.files.find((f) => f.path === sp.rel)
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if (!idx || !node) { sendJson(res, 404, { error: 'node not found' }); return }
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let content: string | null = null
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let meta: unknown = null
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let text: string | null = null
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if (node.mode === 'extracted' && node.out) {
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try { content = await fsp.readFile(path.join(sp.col.dir, node.out, 'content.md'), 'utf-8') } catch { /* */ }
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try { meta = JSON.parse(await fsp.readFile(path.join(sp.col.dir, node.out, 'meta.json'), 'utf-8')) } catch { /* */ }
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} else if (node.mode === 'link' && TEXT_EXTS.has(node.ext)) {
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const abs = originalAbs(idx, sp.rel)
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if (abs) { try { text = await fsp.readFile(abs, 'utf-8') } catch { /* */ } }
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}
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sendJson(res, 200, {
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node: { ...node, collection: sp.col.id, path: composite },
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content, meta, text,
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mime: MIME[path.extname(node.name).toLowerCase()] ?? 'application/octet-stream',
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originalUrl: `/api/original?path=${encodeURIComponent(composite)}`,
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})
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}
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async function serveOriginal(res: ServerResponse, composite: string, range?: string): Promise<void> {
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const sp = splitPath(composite)
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const idx = sp ? readIndexFor(sp.col) : null
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const abs = sp && idx ? originalAbs(idx, sp.rel) : null
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if (!abs || !isFile(abs)) { sendJson(res, 404, { error: 'original not reachable' }); return }
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const mime = MIME[path.extname(abs).toLowerCase()] ?? 'application/octet-stream'
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const size = fs.statSync(abs).size
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res.setHeader('Content-Type', mime)
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res.setHeader('Accept-Ranges', 'bytes')
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const m = range?.match(/bytes=(\d*)-(\d*)/)
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if (m) {
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const start = m[1] ? parseInt(m[1], 10) : 0
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const end = m[2] ? parseInt(m[2], 10) : size - 1
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if (start >= size || end >= size || start > end) {
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res.statusCode = 416; res.setHeader('Content-Range', `bytes */${size}`); res.end(); return
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}
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res.statusCode = 206
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res.setHeader('Content-Range', `bytes ${start}-${end}/${size}`)
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res.setHeader('Content-Length', String(end - start + 1))
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fs.createReadStream(abs, { start, end }).pipe(res)
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return
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}
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res.setHeader('Content-Length', String(size))
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fs.createReadStream(abs).pipe(res)
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}
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interface MeetingData {
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segments: Array<{ start: number; end: number; text: string; speaker: string | null }>
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frames: Array<{ file: string; url: string; time: number | null; size: number }>
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enhancedAvailable: boolean
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}
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async function meetingData(composite: string): Promise<MeetingData | null> {
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const sp = splitPath(composite)
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if (!sp) return null
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const { dir, stem } = meetusDir(sp.col, sp.rel)
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const segments: MeetingData['segments'] = []
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const whisper = path.join(dir, `${stem}.json`)
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if (fs.existsSync(whisper)) {
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try {
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const data = JSON.parse(await fsp.readFile(whisper, 'utf-8'))
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for (const s of (Array.isArray(data) ? data : data.segments ?? [])) {
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segments.push({
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start: Number(s.start ?? 0), end: Number(s.end ?? s.start ?? 0),
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text: String(s.text ?? '').trim(), speaker: s.speaker ?? null,
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})
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}
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} catch { /* none */ }
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}
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const enhanced = path.join(dir, `${stem}_enhanced.txt`)
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const times = new Map<string, number>()
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let enhancedAvailable = false
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if (fs.existsSync(enhanced)) {
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try {
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enhancedAvailable = true
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let last: number | null = null
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for (const line of (await fsp.readFile(enhanced, 'utf-8')).split('\n')) {
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const ts = line.match(/^\[(\d+):(\d+)\]/)
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if (ts) last = Number(ts[1]) * 60 + Number(ts[2])
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const fm = line.match(/Frame:\s*\S*?([^/\\\s]+\.jpg)/i)
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if (fm && last != null) times.set(fm[1], last)
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}
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} catch { /* none */ }
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}
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const frames: MeetingData['frames'] = []
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try {
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const framesDir = path.join(dir, 'frames')
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for (const file of (await fsp.readdir(framesDir)).filter((f) => f.toLowerCase().endsWith('.jpg')).sort()) {
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const fny = file.match(/_(\d+(?:\.\d+)?)s\.jpg$/i)
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let size = 0
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try { size = (await fsp.stat(path.join(framesDir, file))).size } catch { /* */ }
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frames.push({
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file,
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url: `/api/meeting/frame?path=${encodeURIComponent(composite)}&file=${encodeURIComponent(file)}`,
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time: fny ? Number(fny[1]) : times.get(file) ?? null,
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size,
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})
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}
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} catch { /* no frames */ }
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return { segments, frames, enhancedAvailable }
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}
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async function getMeeting(res: ServerResponse, composite: string): Promise<void> {
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const sp = splitPath(composite)
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const data = await meetingData(composite)
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if (!sp || !data) { sendJson(res, 404, { error: 'meeting not found' }); return }
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sendJson(res, 200, {
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path: composite,
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hasOutput: fs.existsSync(meetusDir(sp.col, sp.rel).dir),
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...data,
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videoUrl: `/api/original?path=${encodeURIComponent(composite)}`,
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})
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}
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async function getRunShaped(res: ServerResponse, id: string): Promise<void> {
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const sp = splitPath(id)
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const data = await meetingData(id)
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if (!sp || !data) { sendJson(res, 404, { error: 'run not found' }); return }
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const { dir } = meetusDir(sp.col, sp.rel)
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let review: unknown = null
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try { review = JSON.parse(await fsp.readFile(path.join(dir, 'review.json'), 'utf-8')) } catch { /* */ }
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sendJson(res, 200, {
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id,
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manifest: { video: { name: path.basename(sp.rel) } },
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segments: data.segments,
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frames: data.frames,
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enhancedAvailable: data.enhancedAvailable,
|
|
hasVideo: true,
|
|
videoUrl: `/api/original?path=${encodeURIComponent(id)}`,
|
|
review,
|
|
})
|
|
}
|
|
|
|
async function saveRunReview(req: IncomingMessage, res: ServerResponse, id: string): Promise<void> {
|
|
const sp = splitPath(id)
|
|
if (!sp) { sendJson(res, 404, { error: 'run not found' }); return }
|
|
const { dir } = meetusDir(sp.col, sp.rel)
|
|
if (!fs.existsSync(dir)) { sendJson(res, 404, { error: 'no meetus output for this meeting' }); return }
|
|
let parsed: unknown
|
|
try { parsed = JSON.parse((await readBody(req)) || '{}') } catch { sendJson(res, 400, { error: 'invalid JSON' }); return }
|
|
const tmp = path.join(dir, `.review.${process.pid}.tmp`)
|
|
await fsp.writeFile(tmp, JSON.stringify(parsed, null, 2), 'utf-8')
|
|
await fsp.rename(tmp, path.join(dir, 'review.json'))
|
|
sendJson(res, 200, { ok: true })
|
|
}
|
|
|
|
function serveMeetingFrame(res: ServerResponse, composite: string, file: string): void {
|
|
const sp = splitPath(composite)
|
|
if (!sp) { sendJson(res, 404, { error: 'not found' }); return }
|
|
const { dir } = meetusDir(sp.col, sp.rel)
|
|
const safe = path.basename(file)
|
|
const full = path.join(dir, 'frames', safe)
|
|
if (safe !== file || !fs.existsSync(full)) { sendJson(res, 404, { error: 'frame not found' }); return }
|
|
res.setHeader('Content-Type', 'image/jpeg')
|
|
res.setHeader('Cache-Control', 'no-cache')
|
|
fs.createReadStream(full).pipe(res)
|
|
}
|
|
|
|
async function search(res: ServerResponse, query: string, activeCsv: string | null): Promise<void> {
|
|
const qq = query.trim().toLowerCase()
|
|
const active = activeCsv ? new Set(activeCsv.split(',').filter(Boolean)) : null
|
|
const cols = currentCollections().filter((c) => !active || active.has(c.id))
|
|
let matches: string[] = []
|
|
let bytes = 0
|
|
if (qq) {
|
|
for (const c of cols) {
|
|
let cur = 0
|
|
try { cur = fs.statSync(c.indexPath).mtimeMs } catch { /* */ }
|
|
const cached = searchCache.get(c.id)
|
|
if (!cached || cached.mtime !== cur) await buildSearchIndex(c)
|
|
for (const e of searchCache.get(c.id)?.entries ?? []) {
|
|
if (e.hay.includes(qq)) { matches.push(e.path); bytes += e.bytes }
|
|
}
|
|
}
|
|
}
|
|
sendJson(res, 200, { query: qq, matches, count: matches.length, bytes })
|
|
}
|
|
}
|
|
|
|
function sendJson(res: ServerResponse, status: number, obj: unknown): void {
|
|
const body = JSON.stringify(obj)
|
|
res.statusCode = status
|
|
res.setHeader('Content-Type', 'application/json')
|
|
res.setHeader('Content-Length', Buffer.byteLength(body))
|
|
res.end(body)
|
|
}
|
|
|
|
function isFile(p: string): boolean {
|
|
try { return fs.statSync(p).isFile() } catch { return false }
|
|
}
|
|
|
|
function isDir(p: string): boolean {
|
|
try { return fs.statSync(p).isDirectory() } catch { return false }
|
|
}
|
|
|
|
function readBody(req: IncomingMessage): Promise<string> {
|
|
return new Promise((resolve, reject) => {
|
|
let data = ''
|
|
req.on('data', (c) => { data += c; if (data.length > 5_000_000) reject(new Error('body too large')) })
|
|
req.on('end', () => resolve(data))
|
|
req.on('error', reject)
|
|
})
|
|
}
|