296dd1f8f1
Audio Backups: - New audio_backups table in PostgreSQL (bytea, gzip compressed) - POST /api/audio-backups — upload with gzip compression (level 6) - GET /api/audio-backups — list user's backups - GET /api/audio-backups/:id/audio — download decompressed audio - DELETE /api/audio-backups/:id — delete backup - Auto-cleanup every hour (24h expiry) - Frontend saves to server first, falls back to IndexedDB - Settings shows source badge (server/local) per backup AI Corrections: - Corrections list is now expandable — click to view original vs corrected - Shows red "Original" and green "Corrected to" sections - Click arrow to expand/collapse each correction - Date shown on each correction
93 lines
4.1 KiB
JavaScript
93 lines
4.1 KiB
JavaScript
// ============================================================
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// AUDIO BACKUPS ROUTES — Server-side audio backup storage
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// Stores compressed audio in PostgreSQL, auto-deletes after 24h
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// ============================================================
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var express = require('express');
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var router = express.Router();
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var zlib = require('zlib');
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var multer = require('multer');
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var db = require('../db/database');
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var { authMiddleware } = require('../middleware/auth');
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// 25MB upload limit (same as transcribe)
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var upload = multer({ storage: multer.memoryStorage(), limits: { fileSize: 25 * 1024 * 1024 } });
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router.use(authMiddleware);
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// ── POST save audio backup (compressed) ──────────────────────────────────
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router.post('/audio-backups', upload.single('audio'), async function(req, res) {
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try {
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if (!req.file) return res.status(400).json({ error: 'No audio file' });
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var module = req.body.module || 'encounter';
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var originalSize = req.file.size;
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// Gzip compress the audio data
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var compressed = await new Promise(function(resolve, reject) {
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zlib.gzip(req.file.buffer, { level: 6 }, function(err, result) {
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if (err) reject(err); else resolve(result);
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});
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});
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var result = await db.run(
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'INSERT INTO audio_backups (user_id, module, mime_type, size_bytes, compressed_bytes, audio_data) VALUES ($1,$2,$3,$4,$5,$6)',
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[req.user.id, module, req.file.mimetype || 'audio/webm', originalSize, compressed.length, compressed]
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);
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var ratio = originalSize > 0 ? Math.round((1 - compressed.length / originalSize) * 100) : 0;
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console.log('[AudioBackup] Saved ' + (originalSize / 1024).toFixed(0) + 'KB → ' + (compressed.length / 1024).toFixed(0) + 'KB (' + ratio + '% compression)');
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res.json({ success: true, id: result.lastInsertRowid, originalSize: originalSize, compressedSize: compressed.length });
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} catch (e) {
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console.error('[AudioBackup] Save error:', e.message);
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res.status(500).json({ error: e.message });
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}
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});
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// ── GET list audio backups ───────────────────────────────────────────────
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router.get('/audio-backups', async function(req, res) {
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try {
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var rows = await db.all(
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"SELECT id, module, mime_type, size_bytes, compressed_bytes, created_at, expires_at FROM audio_backups WHERE user_id = $1 AND expires_at > NOW() ORDER BY created_at DESC",
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[req.user.id]
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);
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res.json({ success: true, backups: rows });
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} catch (e) { res.status(500).json({ error: e.message }); }
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});
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// ── GET download audio backup (decompressed) ─────────────────────────────
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router.get('/audio-backups/:id/audio', async function(req, res) {
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try {
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var row = await db.get(
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'SELECT audio_data, mime_type, size_bytes FROM audio_backups WHERE id = $1 AND user_id = $2 AND expires_at > NOW()',
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[req.params.id, req.user.id]
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);
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if (!row) return res.status(404).json({ error: 'Backup not found or expired' });
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// Decompress
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var decompressed = await new Promise(function(resolve, reject) {
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zlib.gunzip(row.audio_data, function(err, result) {
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if (err) reject(err); else resolve(result);
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});
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});
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res.setHeader('Content-Type', row.mime_type || 'audio/webm');
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res.setHeader('Content-Length', decompressed.length);
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res.send(decompressed);
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} catch (e) { res.status(500).json({ error: e.message }); }
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});
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// ── DELETE audio backup ──────────────────────────────────────────────────
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router.delete('/audio-backups/:id', async function(req, res) {
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try {
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var result = await db.run(
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'DELETE FROM audio_backups WHERE id = $1 AND user_id = $2',
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[req.params.id, req.user.id]
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);
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if (result.changes === 0) return res.status(404).json({ error: 'Not found' });
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res.json({ success: true });
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} catch (e) { res.status(500).json({ error: e.message }); }
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});
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module.exports = router;
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