Files
quibot/backend/src/controllers/audio.controller.ts
2026-06-18 13:45:32 +02:00

120 lines
3.6 KiB
TypeScript

import { Router } from 'express';
import multer from 'multer';
import { execFile } from 'child_process';
import { tmpdir } from 'os';
import { join } from 'path';
import { promisify } from 'util';
import { writeFile, unlink } from 'fs';
import { raspiService } from '../services/raspi.service.js';
const execFileAsync = promisify(execFile);
const writeFileAsync = promisify(writeFile);
const unlinkAsync = promisify(unlink);
const router = Router();
const upload = multer({ storage: multer.memoryStorage() });
router.get('/incoming', async (_req, res) => {
try {
const result = await raspiService.listIncomingAudio();
res.json(result);
} catch (err: unknown) {
const message = err instanceof Error ? err.message : 'Unknown error';
res.status(500).json({ error: `List incoming failed: ${message}` });
}
});
router.post('/lock/:filename', async (req, res) => {
try {
const { filename } = req.params;
const result = await raspiService.lockAudio({ filename });
res.json(result);
} catch (err: unknown) {
const message = err instanceof Error ? err.message : 'Unknown error';
res.status(500).json({ error: `Lock audio failed: ${message}` });
}
});
router.post('/unlock/:filename', async (req, res) => {
try {
const { filename } = req.params;
const result = await raspiService.unlockAudio({ filename });
res.json(result);
} catch (err: unknown) {
const message = err instanceof Error ? err.message : 'Unknown error';
res.status(500).json({ error: `Unlock audio failed: ${message}` });
}
});
router.post('/cancel/:filename', async (req, res) => {
try {
const { filename } = req.params;
const result = await raspiService.cancelAudio({ filename });
res.json(result);
} catch (err: unknown) {
const message = err instanceof Error ? err.message : 'Unknown error';
res.status(500).json({ error: `Cancel audio failed: ${message}` });
}
});
router.post('/process/:filename', async (req, res) => {
try {
const { filename } = req.params;
const result = await raspiService.processAudio({ filename });
res.json(result);
} catch (err: unknown) {
const message = err instanceof Error ? err.message : 'Unknown error';
res.status(500).json({ error: `Process audio failed: ${message}` });
}
});
const whisperModel = process.env.WHISPER_MODEL ?? 'base';
const whisperLanguage = process.env.WHISPER_LANGUAGE ?? 'ca';
router.post('/upload', upload.single('file'), async (req, res) => {
let tmpFile: string | undefined;
try {
if (!req.file) {
return res.status(400).json({ error: 'No audio file provided' });
}
const ext = req.file.originalname.split('.').pop()?.toLowerCase() || 'wav';
tmpFile = join(tmpdir(), `quibot-audio-${Date.now()}.${ext}`);
await writeFileAsync(tmpFile, req.file.buffer);
console.log(`[whisper] Model: ${whisperModel}, Language: ${whisperLanguage}, File: ${tmpFile}`);
const { stdout, stderr } = await execFileAsync('whisper', [
tmpFile,
'--model', whisperModel,
'--language', whisperLanguage,
'--output_format', 'txt',
], { maxBuffer: 50 * 1024 * 1024 });
if (stderr) {
console.log(`[whisper] stderr: ${stderr}`);
}
const transcription = stdout.trim();
res.json({
transcription,
originalFilename: req.file.originalname,
});
} catch (err: unknown) {
const message = err instanceof Error ? err.message : 'Unknown error';
res.status(500).json({ error: `Audio transcription failed: ${message}` });
} finally {
if (tmpFile) {
try {
await unlinkAsync(tmpFile);
} catch {
// ignore cleanup errors
}
}
}
});
export default router;