Files
DurpAPI/controller/openai.go
2024-04-02 22:00:33 -05:00

155 lines
4.0 KiB
Go

package controller
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"gitlab.com/DeveloperDurp/DurpAPI/model"
)
type ChatRequest struct {
Message string `json:"message"`
}
// Response struct to unmarshal the JSON response
type Response struct {
Response string `json:"response"`
}
// GeneralOpenAI godoc
//
// @Summary Gerneral ChatGPT
// @Description Ask ChatGPT a general question
// @Tags openai
// @Accept json
// @Produce application/json
// @Param message query string true "Ask ChatGPT a general question"
// @Success 200 {object} model.Message "response"
//
// @failure 400 {object} model.Message "error"
//
// @Security Authorization
//
// @Router /openai/general [get]
func (c *Controller) GeneralOpenAI(w http.ResponseWriter, r *http.Request) {
contentType := r.Header.Get("Content-Type")
var req ChatRequest
if contentType == "application/json" {
err := json.NewDecoder(r.Body).Decode(&req)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(http.StatusText(http.StatusInternalServerError)))
return
}
} else {
queryParams := r.URL.Query()
req.Message = queryParams.Get("message")
}
result, err := c.createChatCompletion(req.Message, "mistral:instruct")
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(http.StatusText(http.StatusInternalServerError)))
return
}
message := model.Message{
Message: result,
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(message)
}
// TravelAgentOpenAI godoc
//
// @Summary Travel Agent ChatGPT
// @Description Ask ChatGPT for suggestions as if it was a travel agent
// @Tags openai
// @Accept json
// @Produce application/json
// @Param message query string true "Ask ChatGPT for suggestions as a travel agent"
// @Success 200 {object} model.Message "response"
// @failure 400 {object} model.Message "error"
//
// @Security Authorization
//
// @Router /openai/travelagent [get]
func (c *Controller) TravelAgentOpenAI(w http.ResponseWriter, r *http.Request) {
contentType := r.Header.Get("Content-Type")
var req ChatRequest
if contentType == "application/json" {
err := json.NewDecoder(r.Body).Decode(&req)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(http.StatusText(http.StatusInternalServerError)))
return
}
} else {
queryParams := r.URL.Query()
req.Message = queryParams.Get("message")
}
req.Message = "I want you to act as a travel guide. I will give you my location and you will give me suggestions. " + req.Message
result, err := c.createChatCompletion(req.Message, "mistral:instruct")
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(http.StatusText(http.StatusInternalServerError)))
return
}
message := model.Message{
Message: result,
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(message)
}
func (c *Controller) createChatCompletion(message string, model string) (string, error) {
// Define the request body
requestBody := map[string]interface{}{
"model": model,
"prompt": message,
"stream": false,
}
// Convert the request body to JSON
requestBodyBytes, err := json.Marshal(requestBody)
if err != nil {
return "", fmt.Errorf("error encoding request body: %v", err)
}
// Send a POST request to the specified URL with the request body
response, err := http.Post(
"http://"+c.Cfg.LlamaURL+"/api/generate",
"application/json",
bytes.NewBuffer(requestBodyBytes),
)
if err != nil {
return "", fmt.Errorf("error sending POST request: %v", err)
}
defer response.Body.Close()
// Read the response body
responseBody, err := io.ReadAll(response.Body)
if err != nil {
return "", fmt.Errorf("error reading response body: %v", err)
}
// Unmarshal the JSON response
var resp Response
if err := json.Unmarshal(responseBody, &resp); err != nil {
return "", fmt.Errorf("error decoding response body: %v", err)
}
// Return the response
return resp.Response, nil
}