Yannick Warnier
8 months ago
commit
1b935a872e
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<?php |
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/* For license terms, see /license.txt */ |
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require_once 'Url.php'; |
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class DeepSeek |
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{ |
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private $apiKey; |
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private $headers; |
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public function __construct(string $apiKey) |
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{ |
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$this->apiKey = $apiKey; |
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$this->headers = [ |
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'Content-Type: application/json', |
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"Authorization: Bearer {$this->apiKey}", |
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]; |
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} |
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/** |
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* Generate questions using the DeepSeek API. |
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* |
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* @param array $payload Data to send to the API |
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* @return string Decoded response from the API |
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* @throws Exception If an error occurs during the request |
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*/ |
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public function generateQuestions(array $payload): string |
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{ |
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$url = Url::completionsUrl(); |
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$response = $this->sendRequest($url, 'POST', $payload); |
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if (empty($response)) { |
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throw new Exception('The DeepSeek API returned no response.'); |
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} |
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$result = json_decode($response, true); |
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// Validate errors returned by the API |
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if (isset($result['error'])) { |
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throw new Exception("DeepSeek API Error: {$result['error']['message']}"); |
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} |
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// Ensure the response contains the expected "choices" field |
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if (!isset($result['choices'][0]['message']['content'])) { |
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throw new Exception('Unexpected response format from the DeepSeek API.'); |
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} |
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return $result['choices'][0]['message']['content']; |
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} |
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/** |
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* Send a request to the DeepSeek API. |
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* |
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* @param string $url Endpoint to send the request to |
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* @param string $method HTTP method (e.g., GET, POST) |
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* @param array $data Data to send as JSON |
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* @return string Raw response from the API |
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* @throws Exception If a cURL error occurs |
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*/ |
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private function sendRequest(string $url, string $method, array $data = []): string |
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{ |
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$ch = curl_init($url); |
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method); |
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curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data)); |
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curl_setopt($ch, CURLOPT_HTTPHEADER, $this->headers); |
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$response = curl_exec($ch); |
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
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if (curl_errno($ch)) { |
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$errorMessage = curl_error($ch); |
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curl_close($ch); |
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throw new Exception("cURL Error: {$errorMessage}"); |
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} |
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curl_close($ch); |
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// Validate HTTP status codes |
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if ($httpCode < 200 || $httpCode >= 300) { |
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throw new Exception("Request to DeepSeek failed with HTTP status code: {$httpCode}"); |
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} |
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return $response; |
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} |
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} |
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@ -0,0 +1,17 @@ |
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<?php |
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/* For license terms, see /license.txt */ |
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class Url |
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{ |
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private const BASE_URL = 'https://api.deepseek.com/chat'; |
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/** |
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* Get the endpoint URL for chat completions. |
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* |
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* @return string URL for the chat completions endpoint |
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*/ |
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public static function completionsUrl(): string |
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{ |
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return self::BASE_URL . '/completions'; |
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} |
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} |
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