Files
uno-click/bff/routes/media.routes.js
T
2026-05-13 14:20:41 +00:00

233 lines
9.3 KiB
JavaScript

import { Router } from "express";
import { randomUUID } from "crypto";
import multer from "multer";
import {
S3Client, PutObjectCommand, GetObjectCommand,
CreateBucketCommand, HeadBucketCommand,
} from "@aws-sdk/client-s3";
import pg from "pg";
import { authRequired } from "../middleware/authRequired.js";
const { Pool } = pg;
const router = Router();
const s3 = new S3Client({
region: process.env.S3_REGION || "us-east-1",
endpoint: process.env.S3_ENDPOINT || "http://127.0.0.1:9000",
forcePathStyle: true,
credentials: {
accessKeyId: process.env.S3_ACCESS_KEY || "UN0-admin",
secretAccessKey: process.env.S3_SECRET_KEY || "RAygtZHqGN49qKn",
},
});
const BUCKET = process.env.S3_BUCKET || "uno-click";
const pool = new Pool({
host: process.env.PG_HOST || "127.0.0.1",
port: Number(process.env.PG_PORT || 5432),
database: process.env.PG_DATABASE || "n8n",
user: process.env.PG_USER || "n8n",
password: process.env.PG_PASSWORD,
});
async function ensureBucket() {
try { await s3.send(new HeadBucketCommand({ Bucket: BUCKET })); }
catch { await s3.send(new CreateBucketCommand({ Bucket: BUCKET })); }
}
ensureBucket().catch(console.error);
// Сохраняем таблицу video_jobs для обратной совместимости (старые задания)
pool.query(`CREATE TABLE IF NOT EXISTS video_jobs (
job_id TEXT PRIMARY KEY,
status TEXT NOT NULL DEFAULT 'queued',
input_s3_key TEXT,
output_s3_key TEXT,
error_msg TEXT,
created_at TIMESTAMPTZ DEFAULT NOW(),
updated_at TIMESTAMPTZ DEFAULT NOW()
)`).then(() => console.log("[media] video_jobs table ready")).catch(console.error);
const upload = multer({
storage: multer.memoryStorage(),
limits: { fileSize: 500 * 1024 * 1024 },
fileFilter: (req, file, cb) => {
if (file.mimetype.startsWith("video/")) cb(null, true);
else cb(new Error("Only video files allowed"));
},
});
// Рандомные параметры уникализации для ffmpeg-api
function buildFFmpegArgs() {
const r = (a, b) => Math.random() * (b - a) + a;
const hue = r(0, 5).toFixed(1);
const sat = r(0, 5).toFixed(1);
const br = r(-0.05, 0.05).toFixed(2);
const con = r(0.98, 1.05).toFixed(2);
const satv = r(0.95, 1.1).toFixed(2);
const noise = Math.round(r(10, 20));
const speed = r(0.97, 0.99).toFixed(3);
const tempo = (1 / parseFloat(speed)).toFixed(3);
const scale = r(0.94, 0.98).toFixed(2);
const pad = (1 / parseFloat(scale)).toFixed(4);
const vol = r(1.0, 1.1).toFixed(2);
const crf = Math.round(r(20, 24));
return [
"-c:v", "libx264", "-preset", "medium", "-crf", String(crf),
"-c:a", "aac", "-b:a", "128k",
"-vf", [
`hue=s=${sat}:h=${hue}`,
`eq=brightness=${br}:contrast=${con}:saturation=${satv}`,
`noise=alls=${noise}:allf=t+u`,
`setpts=${speed}*PTS`,
`scale=iw*${scale}:ih*${scale}`,
`pad=iw*${pad}:ih*${pad}:(ow-iw)/2:(oh-ih)/2`,
].join(","),
"-af", `volume=${vol},atempo=${tempo}`,
"-max_muxing_queue_size", "1024",
];
}
// ─── POST /api/media/upload-video ─────────────────────────────────────────────
// Принимает видеофайл, сохраняет в MinIO, привязывает к активному сценарию.
// Прямой вызов FFmpeg удалён — запуск уникализации происходит через
// POST /api/scenario/basic-unique/step/run-video → n8n → ffmpeg-api.
router.post("/upload-video", authRequired, upload.single("video"), async (req, res) => {
if (!req.file) return res.status(400).json({ error: "Field video required" });
const jobId = randomUUID();
const userId = req.user.id;
const inputKey = `videos/input/${userId}/${jobId}.mp4`;
const outputKey = `videos/output/${userId}/${jobId}.mp4`;
// generationUuid может прийти в теле формы (FormData) или из JSON
const generationUuid = req.body?.generationUuid || null;
try {
// 1. Сохраняем оригинальное видео в MinIO
await s3.send(new PutObjectCommand({
Bucket: BUCKET,
Key: inputKey,
Body: req.file.buffer,
ContentType: req.file.mimetype || "video/mp4",
}));
// 2. Если передан generationUuid — сохраняем шаг upload-video в БД,
// чтобы шаг run-video мог прочитать ключи S3 и аргументы ffmpeg.
if (generationUuid) {
const stepPayload = {
input_s3_key: inputKey,
output_s3_key: outputKey,
ffmpeg_args: buildFFmpegArgs(),
};
await pool.query(`
INSERT INTO uno_bff.generation_steps
(generation_uuid, scenario_id, step_id, step_order, status, request_payload, started_at, finished_at)
VALUES ($1, 'basic-unique', 'upload-video', 1, 'completed', $2, NOW(), NOW())
ON CONFLICT (generation_uuid, step_id) DO UPDATE
SET status = 'completed',
request_payload = $2,
finished_at = NOW(),
updated_at = NOW()
`, [generationUuid, JSON.stringify(stepPayload)]);
console.log(`[upload-video] Linked to generation ${generationUuid}, inputKey=${inputKey}`);
}
// 3. Отвечаем немедленно — FFmpeg НЕ вызываем здесь
return res.json({
ok: true,
job_id: jobId,
input_s3_key: inputKey,
output_s3_key: outputKey,
generationUuid: generationUuid || null,
});
} catch (err) {
console.error("[upload-video]", err);
if (!res.headersSent) res.status(500).json({ error: err.message });
}
});
// ─── GET /api/media/status/:job_id ────────────────────────────────────────────
// Оставлен для обратной совместимости (старые задания через video_jobs).
router.get("/status/:job_id", async (req, res) => {
const { job_id } = req.params;
try {
const { rows } = await pool.query(
"SELECT status, output_s3_key, error_msg FROM video_jobs WHERE job_id=$1",
[job_id],
);
if (!rows.length) return res.status(404).json({ error: "Job not found" });
const job = rows[0];
const PUBLIC_BFF = process.env.PUBLIC_BFF_URL || "https://uno-click.pip-test.ru";
const url = job.status === "done"
? `${PUBLIC_BFF}/api/media/download/${job_id}`
: null;
res.json({ status: job.status, url, error: job.error_msg || null });
} catch (err) {
res.status(500).json({ error: err.message });
}
});
// ─── GET /api/media/download/:job_id ──────────────────────────────────────────
// Оставлен для обратной совместимости (старые задания через video_jobs).
router.get("/download/:job_id", async (req, res) => {
const { job_id } = req.params;
try {
const { rows } = await pool.query(
"SELECT status, output_s3_key FROM video_jobs WHERE job_id=$1",
[job_id],
);
if (!rows.length) return res.status(404).json({ error: "Job not found" });
if (rows[0].status !== "done") return res.status(409).json({ error: "Not ready yet" });
const s3Resp = await s3.send(
new GetObjectCommand({ Bucket: BUCKET, Key: rows[0].output_s3_key }),
);
res.setHeader("Content-Type", "video/mp4");
res.setHeader("Content-Disposition", `attachment; filename="uniqueized_${job_id}.mp4"`);
if (s3Resp.ContentLength) res.setHeader("Content-Length", s3Resp.ContentLength);
s3Resp.Body.pipe(res);
} catch (err) {
console.error("[download]", err);
res.status(500).json({ error: err.message });
}
});
// ─── GET /api/media/video/:generationUuid ─────────────────────────────────────
// Стримит уникализованное видео из MinIO по generationUuid.
// URL используется n8n result-воркфлоу в ответе на поллинг.
router.get('/video/:generationUuid', async (req, res) => {
const { generationUuid } = req.params;
try {
const { rows } = await pool.query(
`SELECT response_payload FROM uno_bff.generation_steps
WHERE generation_uuid = $1 AND step_id = 'run-video' AND status = 'completed'
ORDER BY created_at DESC LIMIT 1`,
[generationUuid]
);
if (!rows.length) return res.status(404).json({ error: 'Video not ready or not found' });
const payload = rows[0].response_payload;
const outputKey = typeof payload === 'string' ? JSON.parse(payload).output_s3_key : payload.output_s3_key;
if (!outputKey) return res.status(404).json({ error: 'output_s3_key missing' });
const s3Resp = await s3.send(
new GetObjectCommand({ Bucket: BUCKET, Key: outputKey })
);
res.setHeader('Content-Type', 'video/mp4');
res.setHeader('Content-Disposition', `attachment; filename=video_${generationUuid}.mp4`);
if (s3Resp.ContentLength) res.setHeader('Content-Length', s3Resp.ContentLength);
s3Resp.Body.pipe(res);
} catch (err) {
console.error('[video-by-generation]', err);
if (!res.headersSent) res.status(500).json({ error: err.message });
}
});
export default router;