Felix Förtsch
39a924e6de
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
295 lines
14 KiB
TypeScript
295 lines
14 KiB
TypeScript
import { Hono } from 'hono';
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import { stream } from 'hono/streaming';
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import { getDb, applyPathMappings, applyPathMappingsToCommand } from '../db/index';
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import { execStream } from '../services/ssh';
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import type { Job, Node, MediaItem, MediaStream } from '../types';
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import { predictExtractedFiles } from '../services/ffmpeg';
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import { accessSync, constants } from 'node:fs';
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import { log, error as logError } from '../lib/log';
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const app = new Hono();
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// ─── Sequential queue per target ─────────────────────────────────────────────
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const runningTargets = new Set<string>();
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function targetKey(nodeId: number | null): string {
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return nodeId ? `node-${nodeId}` : 'local';
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}
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/** Run a list of jobs sequentially on the same target. */
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async function runSequential(jobs: Job[]): Promise<void> {
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const key = targetKey(jobs[0]?.node_id ?? null);
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if (runningTargets.has(key)) return; // already processing this target
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runningTargets.add(key);
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try {
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for (const job of jobs) {
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// Re-check status — job may have been cancelled while queued
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const db = getDb();
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const fresh = db.prepare('SELECT status FROM jobs WHERE id = ?').get(job.id) as { status: string } | undefined;
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if (!fresh || fresh.status !== 'pending') continue;
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try { await runJob(job); } catch (err) { logError(`Job ${job.id} failed:`, err); }
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}
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} finally {
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runningTargets.delete(key);
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}
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}
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// ─── SSE state ────────────────────────────────────────────────────────────────
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const jobListeners = new Set<(data: string) => void>();
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function emitJobUpdate(jobId: number, status: string, output?: string): void {
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const line = `event: job_update\ndata: ${JSON.stringify({ id: jobId, status, output })}\n\n`;
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for (const l of jobListeners) l(line);
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}
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function loadJobRow(jobId: number) {
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const db = getDb();
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const row = db.prepare(`
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SELECT j.*, mi.id as mi_id, mi.name, mi.type, mi.series_name, mi.season_number,
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mi.episode_number, mi.file_path,
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n.id as n_id, n.name as node_name, n.host, n.port, n.username,
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n.private_key, n.ffmpeg_path, n.work_dir, n.status as node_status
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FROM jobs j
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LEFT JOIN media_items mi ON mi.id = j.item_id
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LEFT JOIN nodes n ON n.id = j.node_id
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WHERE j.id = ?
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`).get(jobId) as (Job & {
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mi_id: number | null; name: string | null; type: string | null;
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series_name: string | null; season_number: number | null; episode_number: number | null;
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file_path: string | null; n_id: number | null; node_name: string | null;
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host: string | null; port: number | null; username: string | null;
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private_key: string | null; ffmpeg_path: string | null; work_dir: string | null; node_status: string | null;
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}) | undefined;
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if (!row) return null;
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const nodes = db.prepare('SELECT * FROM nodes ORDER BY name').all() as Node[];
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const item = row.name ? { id: row.item_id, name: row.name, type: row.type, series_name: row.series_name, season_number: row.season_number, episode_number: row.episode_number, file_path: row.file_path } as unknown as MediaItem : null;
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const node = row.node_name ? { id: row.node_id!, name: row.node_name, host: row.host!, port: row.port!, username: row.username!, private_key: row.private_key!, ffmpeg_path: row.ffmpeg_path!, work_dir: row.work_dir!, status: row.node_status! } as unknown as Node : null;
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return { job: row as unknown as Job, item, node, nodes };
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}
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// ─── List ─────────────────────────────────────────────────────────────────────
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app.get('/', (c) => {
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const db = getDb();
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const jobRows = db.prepare(`
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SELECT j.*, mi.name, mi.type, mi.series_name, mi.season_number, mi.episode_number, mi.file_path,
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n.name as node_name, n.host, n.port, n.username, n.private_key, n.ffmpeg_path, n.work_dir, n.status as node_status
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FROM jobs j
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LEFT JOIN media_items mi ON mi.id = j.item_id
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LEFT JOIN nodes n ON n.id = j.node_id
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ORDER BY j.created_at DESC LIMIT 200
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`).all() as (Job & { name: string; type: string; series_name: string | null; season_number: number | null; episode_number: number | null; file_path: string; node_name: string | null; host: string | null; port: number | null; username: string | null; private_key: string | null; ffmpeg_path: string | null; work_dir: string | null; node_status: string | null; })[];
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const jobs = jobRows.map((r) => ({
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job: r as unknown as Job,
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item: r.name ? { id: r.item_id, name: r.name, type: r.type, series_name: r.series_name, season_number: r.season_number, episode_number: r.episode_number, file_path: r.file_path } as unknown as MediaItem : null,
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node: r.node_name ? { id: r.node_id!, name: r.node_name, host: r.host!, port: r.port!, username: r.username!, private_key: r.private_key!, ffmpeg_path: r.ffmpeg_path!, work_dir: r.work_dir!, status: r.node_status! } as unknown as Node : null,
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}));
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const nodes = db.prepare('SELECT * FROM nodes ORDER BY name').all() as Node[];
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return c.json({ jobs, nodes });
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});
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// ─── Start all pending ────────────────────────────────────────────────────────
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app.post('/start', (c) => {
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const db = getDb();
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const pending = db.prepare("SELECT * FROM jobs WHERE status = 'pending' ORDER BY created_at").all() as Job[];
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// Group by target (local vs each node) — run sequentially within each group, parallel across groups
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const groups = new Map<string, Job[]>();
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for (const job of pending) {
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const key = targetKey(job.node_id);
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if (!groups.has(key)) groups.set(key, []);
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groups.get(key)!.push(job);
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}
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for (const jobs of groups.values()) {
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runSequential(jobs).catch((err) => logError('Queue failed:', err));
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}
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return c.json({ ok: true, started: pending.length });
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});
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// ─── Assign node ──────────────────────────────────────────────────────────────
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app.post('/job/:id/assign', async (c) => {
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const db = getDb();
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const jobId = Number(c.req.param('id'));
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const body = await c.req.json<{ node_id: number | null }>();
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db.prepare('UPDATE jobs SET node_id = ? WHERE id = ?').run(body.node_id, jobId);
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const result = loadJobRow(jobId);
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if (!result) return c.notFound();
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return c.json(result);
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});
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// ─── Run single ───────────────────────────────────────────────────────────────
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app.post('/job/:id/run', async (c) => {
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const db = getDb();
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const jobId = Number(c.req.param('id'));
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const job = db.prepare('SELECT * FROM jobs WHERE id = ?').get(jobId) as Job | undefined;
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if (!job || job.status !== 'pending') {
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const result = loadJobRow(jobId);
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if (!result) return c.notFound();
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return c.json(result);
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}
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runJob(job).catch((err) => logError(`Job ${job.id} failed:`, err));
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const result = loadJobRow(jobId);
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if (!result) return c.notFound();
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return c.json(result);
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});
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// ─── Cancel ───────────────────────────────────────────────────────────────────
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app.post('/job/:id/cancel', (c) => {
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const db = getDb();
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const jobId = Number(c.req.param('id'));
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db.prepare("DELETE FROM jobs WHERE id = ? AND status = 'pending'").run(jobId);
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return c.json({ ok: true });
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});
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// ─── Clear queue ──────────────────────────────────────────────────────────────
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app.post('/clear', (c) => {
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const db = getDb();
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// Revert review plans for pending jobs back to 'pending' so they can be re-approved
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db.prepare(`
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UPDATE review_plans SET status = 'pending', reviewed_at = NULL
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WHERE item_id IN (SELECT item_id FROM jobs WHERE status = 'pending')
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AND status = 'approved'
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`).run();
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const result = db.prepare("DELETE FROM jobs WHERE status = 'pending'").run();
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return c.json({ ok: true, cleared: result.changes });
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});
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app.post('/clear-completed', (c) => {
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const db = getDb();
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const result = db.prepare("DELETE FROM jobs WHERE status IN ('done', 'error')").run();
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return c.json({ ok: true, cleared: result.changes });
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});
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// ─── SSE ──────────────────────────────────────────────────────────────────────
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app.get('/events', (c) => {
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return stream(c, async (s) => {
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c.header('Content-Type', 'text/event-stream');
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c.header('Cache-Control', 'no-cache');
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const queue: string[] = [];
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let resolve: (() => void) | null = null;
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const listener = (data: string) => { queue.push(data); resolve?.(); };
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jobListeners.add(listener);
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s.onAbort(() => { jobListeners.delete(listener); });
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try {
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while (!s.closed) {
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if (queue.length > 0) {
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await s.write(queue.shift()!);
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} else {
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await new Promise<void>((res) => { resolve = res; setTimeout(res, 15_000); });
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resolve = null;
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if (queue.length === 0) await s.write(': keepalive\n\n');
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}
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}
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} finally {
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jobListeners.delete(listener);
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}
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});
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});
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// ─── Job execution ────────────────────────────────────────────────────────────
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async function runJob(job: Job): Promise<void> {
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log(`Job ${job.id} starting (item=${job.item_id}${job.node_id ? `, node=${job.node_id}` : ', local'})`);
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log(`Job ${job.id} command: ${job.command}`);
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const db = getDb();
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if (!job.node_id) {
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const itemRow = db.prepare('SELECT file_path FROM media_items WHERE id = ?').get(job.item_id) as { file_path: string } | undefined;
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if (itemRow?.file_path) {
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const mappedPath = applyPathMappings(itemRow.file_path);
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try { accessSync(mappedPath, constants.R_OK | constants.W_OK); } catch (fsErr) {
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const msg = `File not accessible: ${mappedPath}\n${(fsErr as Error).message}`;
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db.prepare("UPDATE jobs SET status = 'error', output = ?, exit_code = 1, completed_at = datetime('now') WHERE id = ?").run(msg, job.id);
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emitJobUpdate(job.id, 'error', msg);
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db.prepare("UPDATE review_plans SET status = 'error' WHERE item_id = ?").run(job.item_id);
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return;
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}
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}
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}
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db.prepare("UPDATE jobs SET status = 'running', started_at = datetime('now'), output = '' WHERE id = ?").run(job.id);
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emitJobUpdate(job.id, 'running');
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let outputLines: string[] = [];
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const flush = (final = false) => {
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const text = outputLines.join('\n');
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if (final || outputLines.length % 10 === 0) db.prepare('UPDATE jobs SET output = ? WHERE id = ?').run(text, job.id);
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emitJobUpdate(job.id, 'running', text);
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};
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try {
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if (job.node_id) {
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const node = db.prepare('SELECT * FROM nodes WHERE id = ?').get(job.node_id) as Node | undefined;
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if (!node) throw new Error(`Node ${job.node_id} not found`);
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// Translate container paths to node-specific mount paths
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let cmd = job.command;
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if (node.movies_path) cmd = cmd.replaceAll('/movies/', node.movies_path.replace(/\/$/, '') + '/');
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if (node.series_path) cmd = cmd.replaceAll('/series/', node.series_path.replace(/\/$/, '') + '/');
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for await (const line of execStream(node, cmd)) { outputLines.push(line); flush(); }
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} else {
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const mappedCmd = applyPathMappingsToCommand(job.command);
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const proc = Bun.spawn(['sh', '-c', mappedCmd], { stdout: 'pipe', stderr: 'pipe' });
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const readStream = async (readable: ReadableStream<Uint8Array>, prefix = '') => {
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const reader = readable.getReader();
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const decoder = new TextDecoder();
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try {
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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const text = decoder.decode(value);
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const lines = text.split('\n').filter((l) => l.trim());
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for (const line of lines) outputLines.push(prefix + line);
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flush();
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}
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} catch { /* ignore */ }
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};
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await Promise.all([readStream(proc.stdout), readStream(proc.stderr, '[stderr] '), proc.exited]);
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const exitCode = await proc.exited;
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if (exitCode !== 0) throw new Error(`FFmpeg exited with code ${exitCode}`);
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}
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const fullOutput = outputLines.join('\n');
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db.prepare("UPDATE jobs SET status = 'done', exit_code = 0, output = ?, completed_at = datetime('now') WHERE id = ?").run(fullOutput, job.id);
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log(`Job ${job.id} completed successfully`);
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emitJobUpdate(job.id, 'done', fullOutput);
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db.prepare("UPDATE review_plans SET status = 'done' WHERE item_id = ?").run(job.item_id);
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// Populate subtitle_files table with extracted sidecar files
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try {
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const item = db.prepare('SELECT * FROM media_items WHERE id = ?').get(job.item_id) as MediaItem | undefined;
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const streams = db.prepare('SELECT * FROM media_streams WHERE item_id = ?').all(job.item_id) as MediaStream[];
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if (item && streams.length > 0) {
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const files = predictExtractedFiles(item, streams);
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const insertFile = db.prepare('INSERT OR IGNORE INTO subtitle_files (item_id, file_path, language, codec, is_forced, is_hearing_impaired) VALUES (?, ?, ?, ?, ?, ?)');
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for (const f of files) {
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insertFile.run(job.item_id, f.file_path, f.language, f.codec, f.is_forced ? 1 : 0, f.is_hearing_impaired ? 1 : 0);
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}
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db.prepare('UPDATE review_plans SET subs_extracted = 1 WHERE item_id = ?').run(job.item_id);
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}
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} catch (subErr) { logError('Failed to record extracted subtitle files:', subErr); }
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} catch (err) {
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logError(`Job ${job.id} failed:`, err);
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const fullOutput = outputLines.join('\n') + '\n' + String(err);
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db.prepare("UPDATE jobs SET status = 'error', exit_code = 1, output = ?, completed_at = datetime('now') WHERE id = ?").run(fullOutput, job.id);
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emitJobUpdate(job.id, 'error', fullOutput);
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db.prepare("UPDATE review_plans SET status = 'error' WHERE item_id = ?").run(job.item_id);
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}
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}
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export default app;
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