Hamza/nabeh
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add Gemini audio model failover logic to handle HTTP 429 rate limits

Browse Source
This commit is contained in:
Hamza-Ayed
2026-05-22 15:42:30 +03:00
parent df8d905da7
commit 51a3e92980
1 changed files with 50 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
backend/app/Services/GeminiService.php
View File

@@ -218,59 +218,66 @@ class GeminiService
*/
public static function generateAudioResponse(string $apiKey, string $systemPrompt, string $userMessage, string $voiceName = 'Puck'): ?array
{
$url = 'https://generativelanguage.googleapis.com/v1beta/models/gemini-3.1-flash-tts-preview:generateContent?key=' . $apiKey;
$models = [
'gemini-3.1-flash-tts-preview',
'gemini-2.5-flash-preview-tts'
];
$parts = [];
if (!empty($systemPrompt)) {
$parts[] = ['text' => "System instruction: " . $systemPrompt];
}
$parts[] = ['text' => $userMessage];
foreach ($models as $model) {
$url = 'https://generativelanguage.googleapis.com/v1beta/models/' . $model . ':generateContent?key=' . $apiKey;
$payload = json_encode([
'contents' => [
[
'role' => 'user',
'parts' => $parts
]
],
'generationConfig' => [
'responseModalities' => ['AUDIO'],
'speechConfig' => [
'voiceConfig' => [
'prebuiltVoiceConfig' => [
'voiceName' => $voiceName
$parts = [];
if (!empty($systemPrompt)) {
$parts[] = ['text' => "System instruction: " . $systemPrompt];
}
$parts[] = ['text' => $userMessage];
$payload = json_encode([
'contents' => [
[
'role' => 'user',
'parts' => $parts
]
],
'generationConfig' => [
'responseModalities' => ['AUDIO'],
'speechConfig' => [
'voiceConfig' => [
'prebuiltVoiceConfig' => [
'voiceName' => $voiceName
]
]
]
]
]
]);
]);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Content-Type: application/json'
]);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Content-Type: application/json'
]);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($httpCode !== 200) {
error_log("[Gemini Audio API Error] HTTP " . $httpCode . " | Response: " . $response);
return null;
if ($httpCode === 200) {
$data = json_decode($response, true);
$part = $data['candidates'][0]['content']['parts'][0] ?? null;
if ($part && isset($part['inlineData'])) {
return [
'audio' => $part['inlineData']['data'],
'mimeType' => $part['inlineData']['mimeType'] ?? 'audio/mp4'
];
}
} else {
error_log("[Gemini Audio API Error] Model " . $model . " failed with HTTP " . $httpCode . " | Response: " . $response);
}
}
$data = json_decode($response, true);
$part = $data['candidates'][0]['content']['parts'][0] ?? null;
if ($part && isset($part['inlineData'])) {
return [
'audio' => $part['inlineData']['data'],
'mimeType' => $part['inlineData']['mimeType'] ?? 'audio/mp4'
];
}
return null;
}