89 lines
2.0 KiB
Go
89 lines
2.0 KiB
Go
package llm
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
func (s *llmService) SendOpenAIRequest(systemPrompt string, userPrompt string, model string) (string, error) {
|
|
apiKey := getEnvConfig("OPENAI_API_KEY")
|
|
if apiKey == "" {
|
|
return "", errors.New("OPENAI_API_KEY not found in .env or environment")
|
|
}
|
|
|
|
apiBase := "https://api.openai.com/v1"
|
|
|
|
url := fmt.Sprintf("%s/chat/completions", strings.TrimRight(apiBase, "/"))
|
|
|
|
reqBody := map[string]interface{}{
|
|
"model": model,
|
|
"messages": []map[string]string{
|
|
{"role": "system", "content": systemPrompt},
|
|
{"role": "user", "content": userPrompt},
|
|
},
|
|
}
|
|
|
|
jsonBody, err := json.Marshal(reqBody)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
var lastErr error
|
|
// Retry up to 5 times (total 5 attempts)
|
|
for i := 0; i < 5; i++ {
|
|
req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonBody))
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
req.Header.Set("Content-Type", "application/json")
|
|
req.Header.Set("Authorization", "Bearer "+apiKey)
|
|
|
|
client := &http.Client{Timeout: 120 * time.Second}
|
|
resp, err := client.Do(req)
|
|
|
|
if err != nil {
|
|
lastErr = err
|
|
time.Sleep(time.Second * time.Duration(1<<i))
|
|
continue
|
|
}
|
|
|
|
bodyBytes, err := io.ReadAll(resp.Body)
|
|
resp.Body.Close()
|
|
if err != nil {
|
|
lastErr = err
|
|
time.Sleep(time.Second * time.Duration(1<<i))
|
|
continue
|
|
}
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
lastErr = fmt.Errorf("OpenAI API error status %d: %s", resp.StatusCode, string(bodyBytes))
|
|
time.Sleep(time.Second * time.Duration(1<<i))
|
|
continue
|
|
}
|
|
|
|
var result struct {
|
|
Choices []struct {
|
|
Message struct {
|
|
Content string `json:"content"`
|
|
} `json:"message"`
|
|
} `json:"choices"`
|
|
}
|
|
if err := json.Unmarshal(bodyBytes, &result); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
if len(result.Choices) > 0 {
|
|
return result.Choices[0].Message.Content, nil
|
|
}
|
|
return "", errors.New("empty response from OpenAI API")
|
|
}
|
|
|
|
return "", fmt.Errorf("failed to get OpenAI response after 5 attempts. Last error: %v", lastErr)
|
|
}
|