geekai/api/handler/prompt_handler.go
2023-12-11 17:01:02 +08:00

92 lines
2.4 KiB
Go

package handler
import (
"chatplus/core"
"chatplus/core/types"
"chatplus/store/model"
"chatplus/utils/resp"
"fmt"
"github.com/imroc/req/v3"
"github.com/gin-gonic/gin"
"gorm.io/gorm"
)
const translatePromptTemplate = "Please rewrite the following text into AI painting prompt words, and please try to add detailed description of the picture, painting style, scene, rendering effect, picture light and other elements. Please output directly in English without any explanation, within 150 words. The text to be rewritten is: [%s]"
type PromptHandler struct {
BaseHandler
db *gorm.DB
}
func NewPromptHandler(app *core.AppServer, db *gorm.DB) *PromptHandler {
h := &PromptHandler{db: db}
h.App = app
return h
}
type apiRes struct {
Model string `json:"model"`
Choices []struct {
Index int `json:"index"`
Message struct {
Role string `json:"role"`
Content string `json:"content"`
} `json:"message"`
FinishReason string `json:"finish_reason"`
} `json:"choices"`
}
type apiErrRes struct {
Error struct {
Code interface{} `json:"code"`
Message string `json:"message"`
Param interface{} `json:"param"`
Type string `json:"type"`
} `json:"error"`
}
func (h *PromptHandler) Translate(c *gin.Context) {
var data struct {
Prompt string `json:"prompt"`
}
if err := c.ShouldBindJSON(&data); err != nil {
resp.ERROR(c, types.InvalidArgs)
return
}
// 获取 OpenAI 的 API KEY
var apiKey model.ApiKey
res := h.db.Where("platform = ?", types.OpenAI).First(&apiKey)
if res.Error != nil {
resp.ERROR(c, "找不到可用 OpenAI API KEY")
return
}
messages := make([]interface{}, 1)
messages[0] = types.Message{
Role: "user",
Content: fmt.Sprintf(translatePromptTemplate, data.Prompt),
}
var response apiRes
var errRes apiErrRes
r, err := req.C().SetProxyURL(h.App.Config.ProxyURL).R().SetHeader("Content-Type", "application/json").
SetHeader("Authorization", "Bearer "+apiKey.Value).
SetBody(types.ApiRequest{
Model: "gpt-3.5-turbo",
Temperature: 0.9,
MaxTokens: 1024,
Stream: false,
Messages: messages,
}).
SetErrorResult(&errRes).
SetSuccessResult(&response).Post(h.App.ChatConfig.OpenAI.ApiURL)
if err != nil || r.IsErrorState() {
resp.ERROR(c, fmt.Sprintf("error with http request: %v%v%s", err, r.Err, errRes.Error.Message))
return
}
resp.SUCCESS(c, response.Choices[0].Message.Content)
}