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<?php
namespace App\Services\Ai\OpenAI;
use App\Helpers\Classes\ApiHelper;
use App\Models\SettingTwo;
use App\Models\UserOpenaiChat;
use Exception;
use Illuminate\Support\Facades\Http;
use OpenAI\Laravel\Facades\OpenAI;
use OpenAI\Responses\VectorStores\VectorStoreResponse;
use RuntimeException;
class FileSearchService
{
protected string $apiKey;
protected SettingTwo $settings_two;
protected string $apiUrl = 'https://api.openai.com/v1/responses';
public function __construct()
{
$this->apiKey = ApiHelper::setOpenAiKey();
$this->settings_two = SettingTwo::getCache();
set_time_limit(500);
}
/**
* Upload a file to OpenAI's API.
*/
public function uploadFile(string $filePath, string $purpose = 'user_data'): ?string
{
try {
$response = OpenAI::files()->upload([
'file' => fopen($filePath, 'rb'),
'purpose' => $purpose,
]);
if ($response->status === 'processed') {
return $response->id;
}
throw new RuntimeException("File upload failed with status: {$response->status}");
} catch (Exception $e) {
return null;
}
}
/**
* Create a vector store using OpenAI's API.
*/
public function createVectorStore(string $name, string $fileIds): ?VectorStoreResponse
{
try {
return OpenAI::vectorStores()->create([
'name' => $name,
'file_ids' => [$fileIds],
]);
} catch (Exception $e) {
return null;
}
}
/**
* Check a vector store's status using OpenAI's API.
*/
public function checkVectorStoreStatus(string $vectorStoreId): ?VectorStoreResponse
{
try {
return OpenAI::vectorStores()->retrieve($vectorStoreId);
} catch (Exception $e) {
return null;
}
}
/**
* Perform a file search using OpenAI's API.
*/
public function searchInFile(array $options, ?UserOpenaiChat $chat): ?string
{
$history = $options['messages'];
$lastPrompt = end($history)['content'] ?? '';
$payload = [
'model' => $options['model'],
'tools' => [
[
'type' => 'file_search',
'vector_store_ids' => [$chat?->openai_vector_id],
],
],
'input' => $lastPrompt,
];
$response = Http::withHeaders([
'Content-Type' => 'application/json',
'Authorization' => 'Bearer ' . $this->apiKey,
])->post($this->apiUrl, $payload);
if ($response->successful()) {
$responseData = $response->json();
$outputText = null;
if (isset($responseData['output']) && is_array($responseData['output'])) {
foreach ($responseData['output'] as $item) {
if ($item['type'] === 'message' && isset($item['content']) && is_array($item['content'])) {
foreach ($item['content'] as $content) {
if ($content['type'] === 'output_text' && isset($content['text'])) {
$outputText = $content['text'];
break 2;
}
}
}
}
}
return $outputText;
}
return '';
}
}