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Update: 2026-05-08 00:43:22

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Hamza-Ayed
2026-05-08 00:43:22 +03:00
parent 08e2a87c10
commit 522885d257
4 changed files with 79 additions and 34 deletions
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55
app/Core/AI.php
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@@ -10,7 +10,9 @@ use App\Services\InvoiceExtractionService;
*/
class AI
{
private static string $baseUrl = "https://generativelanguage.googleapis.com/v1beta/models/gemini-flash-lite-latest:generateContent";
private static string $baseUrl = "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent";
private static int $maxRetries = 3;
/**
* Extract Data from Invoice Image or PDF (Base64)
@@ -45,18 +47,49 @@ class AI
]
];
$ch = curl_init(self::$baseUrl . "?key=" . $apiKey);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
// Retry with exponential backoff for 503/429 errors
for ($attempt = 1; $attempt <= self::$maxRetries; $attempt++) {
$ch = curl_init(self::$baseUrl . "?key=" . $apiKey);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$curlError = curl_error($ch);
curl_close($ch);
if ($curlError) {
error_log("AI Error: cURL failed (attempt $attempt): $curlError");
if ($attempt < self::$maxRetries) {
$wait = pow(2, $attempt) + rand(1, 3);
echo " Retrying in {$wait}s (cURL error)...\n";
sleep($wait);
continue;
}
return null;
}
if ($httpCode === 200) {
break; // Success
}
// Retry on 503 (overloaded) or 429 (rate limit)
if (in_array($httpCode, [503, 429]) && $attempt < self::$maxRetries) {
$wait = pow(2, $attempt) + rand(1, 3);
echo " Gemini $httpCode — retrying in {$wait}s (attempt $attempt/" . self::$maxRetries . ")...\n";
sleep($wait);
continue;
}
error_log("AI Error: Gemini API returned code $httpCode. Response: " . $response);
return null;
}
if ($httpCode !== 200) {
error_log("AI Error: Gemini API returned code $httpCode. Response: " . $response);
error_log("AI Error: All retries exhausted. Last code: $httpCode");
return null;
}