108 lines
3.7 KiB
PHP
108 lines
3.7 KiB
PHP
<?php
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header('Content-Type: application/json');
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require_once __DIR__ . '/../config.php';
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if (!defined('OPENAI_API_KEY')) {
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http_response_code(500);
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echo json_encode(['error' => 'API key not configured.']);
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exit;
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}
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if ($_SERVER['REQUEST_METHOD'] !== 'POST' || !isset($_FILES['vehicleImage'])) {
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http_response_code(400);
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echo json_encode(['error' => 'Invalid request.']);
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exit;
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}
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$file = $_FILES['vehicleImage'];
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if ($file['error'] !== UPLOAD_ERR_OK) {
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http_response_code(500);
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echo json_encode(['error' => 'Error uploading file.']);
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exit;
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}
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// Check file type
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$mime_type = mime_content_type($file['tmp_name']);
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if (strpos($mime_type, 'image') !== 0) {
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http_response_code(400);
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echo json_encode(['error' => 'Invalid file type. Please upload an image.']);
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exit;
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}
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$imageData = file_get_contents($file['tmp_name']);
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$base64Image = base64_encode($imageData);
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$payload = [
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'model' => 'gpt-4o',
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'messages' => [
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[
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'role' => 'system',
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'content' => 'You are an expert in vehicle damage assessment. Analyze the provided image to identify the vehicle\'s make, model, and color, and find all damages. Respond with a single JSON object with two top-level keys: "carInfo" and "defects". The "carInfo" key should contain an object with "make", "model", and "color". The "defects" key should contain an array of objects, where each object has two keys: "defect" (a string describing the damage) and "cost" (a number representing the estimated repair cost in EUR).'
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],
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[
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'role' => 'user',
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'content' => [
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[
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'type' => 'text',
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'text' => 'Please analyze the attached image for vehicle defects and list them.'
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],
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[
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'type' => 'image_url',
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'image_url' => [
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'url' => "data:{$mime_type};base64,{$base64Image}"
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]
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]
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]
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]
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],
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'response_format' => ['type' => 'json_object'],
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'max_tokens' => 1000
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];
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$ch = curl_init('https://api.openai.com/v1/chat/completions');
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
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curl_setopt($ch, CURLOPT_HTTPHEADER, [
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'Content-Type: application/json',
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'Authorization: Bearer ' . OPENAI_API_KEY
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]);
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$response = curl_exec($ch);
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$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($httpcode >= 400) {
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http_response_code($httpcode);
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// Forward the error from OpenAI if possible
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$error_response = json_decode($response, true);
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if (isset($error_response['error']['message'])) {
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echo json_encode(['error' => 'OpenAI API Error: ' . $error_response['error']['message']]);
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} else {
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echo json_encode(['error' => 'An error occurred with the OpenAI API.']);
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}
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exit;
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}
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$result = json_decode($response, true);
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if (isset($result['choices'][0]['message']['content'])) {
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// The response from OpenAI is a JSON string, so we need to decode it again
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$defects_json = $result['choices'][0]['message']['content'];
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$defects_data = json_decode($defects_json, true);
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if (json_last_error() === JSON_ERROR_NONE && (isset($defects_data['defects']) || isset($defects_data['carInfo']))) {
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echo json_encode($defects_data);
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} else {
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// Handle cases where the response is not the expected JSON
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http_response_code(500);
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echo json_encode(['error' => 'Failed to parse defects from API response.', 'raw_response' => $defects_json]);
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}
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} else {
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http_response_code(500);
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echo json_encode(['error' => 'No content received from API.', 'raw_response' => $response]);
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}
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?>
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