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feat: self-hosted Whisper server support

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- MediaTranscriber: if whisper_url set, POSTs to own server with
  Basic auth (audio_file field); falls back to OpenAI cloud Whisper
- Admin AI tab: new section for whisper_url / whisper_user / whisper_pass
- save-ai endpoint: saves the three whisper fields to config_json

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Lizandro Guarnizo
2026-07-05 20:07:49 -05:00
co-authored by Claude Sonnet 4.6
parent 9509c3b4fc
commit fc54ec992b
3 changed files with 72 additions and 3 deletions
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services/MediaTranscriber.php
+38 -3
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@@ -69,13 +69,48 @@ class MediaTranscriber
private static function whisper(string $bytes, string $mime, array $cfg): ?string
{
$apiKey = $cfg['openai_api_key'] ?? env('OPENAI_API_KEY', '');
if ($apiKey === '') return null;
$ext = str_contains($mime, 'ogg') ? 'ogg' : (str_contains($mime, 'mp4') ? 'mp4' : 'ogg');
$tmpFile = tempnam(sys_get_temp_dir(), 'wa_audio_') . '.' . $ext;
file_put_contents($tmpFile, $bytes);
$whisperUrl = trim($cfg['whisper_url'] ?? '');
$whisperUser = trim($cfg['whisper_user'] ?? '');
$whisperPass = trim($cfg['whisper_pass'] ?? '');
$useOwn = $whisperUrl !== '';
if ($useOwn) {
$t0 = (int)(microtime(true) * 1000);
$ch = curl_init($whisperUrl);
$opts = [
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => ['audio_file' => new CURLFile($tmpFile, $mime, 'audio.' . $ext)],
CURLOPT_RETURNTRANSFER => true,
CURLOPT_TIMEOUT => 120,
];
if ($whisperUser !== '') {
$opts[CURLOPT_USERPWD] = "{$whisperUser}:{$whisperPass}";
}
curl_setopt_array($ch, $opts);
$resp = curl_exec($ch);
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
$ms = (int)(microtime(true) * 1000) - $t0;
@unlink($tmpFile);
if ($code !== 200 || !$resp) return null;
// Respuesta puede ser JSON {"text":"..."} o texto plano
$data = json_decode($resp, true);
$text = is_array($data) ? trim($data['text'] ?? '') : trim($resp);
if ($text === '') return null;
AiLogger::log($cfg['__company_id'] ?? null, 'whisper-own', 'whisper', 'transcribe', '[audio]', $text, $ms);
return $text;
}
// Fallback: OpenAI cloud Whisper
$apiKey = $cfg['openai_api_key'] ?? env('OPENAI_API_KEY', '');
if ($apiKey === '') { @unlink($tmpFile); return null; }
$t0 = (int)(microtime(true) * 1000);
$ch = curl_init('https://api.openai.com/v1/audio/transcriptions');
curl_setopt_array($ch, [