mirror of
https://gitee.com/blackfox/geekai.git
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121 lines
3.2 KiB
Go
121 lines
3.2 KiB
Go
package handler
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import (
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"chatplus/core"
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"chatplus/core/types"
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"chatplus/store/model"
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"chatplus/utils/resp"
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"fmt"
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"github.com/imroc/req/v3"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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)
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const rewritePromptTemplate = "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]"
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const translatePromptTemplate = "Translate the following painting prompt words into English keyword phrases. Without any explanation, directly output the keyword phrases separated by commas. The content to be translated is: [%s]"
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type PromptHandler struct {
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BaseHandler
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db *gorm.DB
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}
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func NewPromptHandler(app *core.AppServer, db *gorm.DB) *PromptHandler {
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h := &PromptHandler{db: db}
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h.App = app
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return h
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}
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type apiRes struct {
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Model string `json:"model"`
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Choices []struct {
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Index int `json:"index"`
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Message struct {
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Role string `json:"role"`
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Content string `json:"content"`
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} `json:"message"`
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FinishReason string `json:"finish_reason"`
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} `json:"choices"`
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}
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type apiErrRes struct {
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Error struct {
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Code interface{} `json:"code"`
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Message string `json:"message"`
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Param interface{} `json:"param"`
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Type string `json:"type"`
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} `json:"error"`
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}
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// Rewrite translate and rewrite prompt with ChatGPT
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func (h *PromptHandler) Rewrite(c *gin.Context) {
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var data struct {
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Prompt string `json:"prompt"`
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}
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if err := c.ShouldBindJSON(&data); err != nil {
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resp.ERROR(c, types.InvalidArgs)
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return
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}
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content, err := h.request(data.Prompt, rewritePromptTemplate)
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if err != nil {
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resp.ERROR(c, err.Error())
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return
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}
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resp.SUCCESS(c, content)
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}
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func (h *PromptHandler) Translate(c *gin.Context) {
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var data struct {
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Prompt string `json:"prompt"`
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}
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if err := c.ShouldBindJSON(&data); err != nil {
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resp.ERROR(c, types.InvalidArgs)
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return
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}
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content, err := h.request(data.Prompt, translatePromptTemplate)
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if err != nil {
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resp.ERROR(c, err.Error())
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return
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}
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resp.SUCCESS(c, content)
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}
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func (h *PromptHandler) request(prompt string, promptTemplate string) (string, error) {
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// 获取 OpenAI 的 API KEY
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var apiKey model.ApiKey
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res := h.db.Where("platform = ?", types.OpenAI).First(&apiKey)
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if res.Error != nil {
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return "", fmt.Errorf("error with fetch OpenAI API KEY：%v", res.Error)
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}
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messages := make([]interface{}, 1)
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messages[0] = types.Message{
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Role: "user",
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Content: fmt.Sprintf(promptTemplate, prompt),
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}
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var response apiRes
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var errRes apiErrRes
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r, err := req.C().SetProxyURL(h.App.Config.ProxyURL).R().SetHeader("Content-Type", "application/json").
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SetHeader("Authorization", "Bearer "+apiKey.Value).
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SetBody(types.ApiRequest{
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Model: "gpt-3.5-turbo",
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Temperature: 0.9,
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MaxTokens: 1024,
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Stream: false,
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Messages: messages,
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}).
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SetErrorResult(&errRes).
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SetSuccessResult(&response).Post(h.App.ChatConfig.OpenAI.ApiURL)
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if err != nil || r.IsErrorState() {
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return "", fmt.Errorf("error with http request: %v%v%s", err, r.Err, errRes.Error.Message)
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}
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return response.Choices[0].Message.Content, nil
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}
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