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- package openai
- import (
- "bytes"
- "encoding/json"
- "errors"
- "io"
- "net/http"
- "net/url"
- )
- type ChatCompletionMessage struct {
- Role string `json:"role"`
- Content string `json:"content"`
- }
- type ChatCompletionChoice struct {
- Message *ChatCompletionMessage `json:"message"`
- }
- type ChatCompletionResponse struct {
- Error interface{} `json:"error"`
- Model string `json:"model"`
- Choices []ChatCompletionChoice `json:"choices"`
- }
- func PostChatCompletion(prompt string, apiKey string, apiHost string) (string, error) {
- if apiHost == "" {
- apiHost = "https://api.openai.com"
- }
- url, err := url.JoinPath(apiHost, "/v1/chat/completions")
- if err != nil {
- return "", err
- }
- values := map[string]interface{}{
- "model": "gpt-3.5-turbo",
- "messages": []map[string]string{{"role": "user", "content": prompt}},
- }
- jsonValue, err := json.Marshal(values)
- if err != nil {
- return "", err
- }
- req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonValue))
- if err != nil {
- return "", err
- }
- // Set the API key in the request header
- req.Header.Set("Content-Type", "application/json")
- req.Header.Set("Authorization", "Bearer "+apiKey)
- // Send the request to OpenAI's API
- client := http.Client{}
- resp, err := client.Do(req)
- if err != nil {
- return "", err
- }
- defer resp.Body.Close()
- // Read the response body
- responseBody, err := io.ReadAll(resp.Body)
- if err != nil {
- return "", err
- }
- chatCompletionResponse := ChatCompletionResponse{}
- err = json.Unmarshal(responseBody, &chatCompletionResponse)
- if err != nil {
- return "", err
- }
- if chatCompletionResponse.Error != nil {
- errorBytes, err := json.Marshal(chatCompletionResponse.Error)
- if err != nil {
- return "", err
- }
- return "", errors.New(string(errorBytes))
- }
- if len(chatCompletionResponse.Choices) == 0 {
- return "", nil
- }
- return chatCompletionResponse.Choices[0].Message.Content, nil
- }
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