geekai/api/handler/function_handler.go

296 lines
7.9 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

package handler
import (
"chatplus/core"
"chatplus/core/types"
"chatplus/service/oss"
"chatplus/store/model"
"chatplus/utils"
"chatplus/utils/resp"
"errors"
"fmt"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
"github.com/imroc/req/v3"
"gorm.io/gorm"
"strings"
"time"
)
type FunctionHandler struct {
BaseHandler
db *gorm.DB
config types.ChatPlusApiConfig
uploadManager *oss.UploaderManager
proxyURL string
}
func NewFunctionHandler(server *core.AppServer, db *gorm.DB, config *types.AppConfig, manager *oss.UploaderManager) *FunctionHandler {
return &FunctionHandler{
BaseHandler: BaseHandler{
App: server,
},
db: db,
config: config.ApiConfig,
uploadManager: manager,
proxyURL: config.ProxyURL,
}
}
type resVo struct {
Code types.BizCode `json:"code"`
Message string `json:"message"`
Data struct {
Title string `json:"title"`
UpdatedAt string `json:"updated_at"`
Items []dataItem `json:"items"`
} `json:"data"`
}
type dataItem struct {
Title string `json:"title"`
Url string `json:"url"`
Remark string `json:"remark"`
}
// check authorization
func (h *FunctionHandler) checkAuth(c *gin.Context) error {
tokenString := c.GetHeader(types.UserAuthHeader)
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
}
return []byte(h.App.Config.Session.SecretKey), nil
})
if err != nil {
return fmt.Errorf("error with parse auth token: %v", err)
}
claims, ok := token.Claims.(jwt.MapClaims)
if !ok || !token.Valid {
return errors.New("token is invalid")
}
expr := utils.IntValue(utils.InterfaceToString(claims["expired"]), 0)
if expr > 0 && int64(expr) < time.Now().Unix() {
return errors.New("token is expired")
}
return nil
}
// WeiBo 微博热搜
func (h *FunctionHandler) WeiBo(c *gin.Context) {
if err := h.checkAuth(c); err != nil {
resp.ERROR(c, err.Error())
return
}
if h.config.Token == "" {
resp.ERROR(c, "无效的 API Token")
return
}
url := fmt.Sprintf("%s/api/weibo/fetch", h.config.ApiURL)
var res resVo
r, err := req.C().R().
SetHeader("AppId", h.config.AppId).
SetHeader("Authorization", fmt.Sprintf("Bearer %s", h.config.Token)).
SetSuccessResult(&res).Get(url)
if err != nil || r.IsErrorState() {
resp.ERROR(c, fmt.Sprintf("%v%v", err, r.Err))
return
}
if res.Code != types.Success {
resp.ERROR(c, res.Message)
return
}
builder := make([]string, 0)
builder = append(builder, fmt.Sprintf("**%s**,最新更新:%s", res.Data.Title, res.Data.UpdatedAt))
for i, v := range res.Data.Items {
builder = append(builder, fmt.Sprintf("%d、 [%s](%s) [热度:%s]", i+1, v.Title, v.Url, v.Remark))
}
resp.SUCCESS(c, strings.Join(builder, "\n\n"))
}
// ZaoBao 今日早报
func (h *FunctionHandler) ZaoBao(c *gin.Context) {
if err := h.checkAuth(c); err != nil {
resp.ERROR(c, err.Error())
return
}
if h.config.Token == "" {
resp.ERROR(c, "无效的 API Token")
return
}
url := fmt.Sprintf("%s/api/zaobao/fetch", h.config.ApiURL)
var res resVo
r, err := req.C().R().
SetHeader("AppId", h.config.AppId).
SetHeader("Authorization", fmt.Sprintf("Bearer %s", h.config.Token)).
SetSuccessResult(&res).Get(url)
if err != nil || r.IsErrorState() {
resp.ERROR(c, fmt.Sprintf("%v%v", err, r.Err))
return
}
if res.Code != types.Success {
resp.ERROR(c, res.Message)
return
}
builder := make([]string, 0)
builder = append(builder, fmt.Sprintf("**%s 早报:**", res.Data.UpdatedAt))
for _, v := range res.Data.Items {
builder = append(builder, v.Title)
}
builder = append(builder, fmt.Sprintf("%s", res.Data.Title))
resp.SUCCESS(c, strings.Join(builder, "\n\n"))
}
type imgReq struct {
Model string `json:"model"`
Prompt string `json:"prompt"`
N int `json:"n"`
Size string `json:"size"`
}
type imgRes struct {
Created int64 `json:"created"`
Data []struct {
RevisedPrompt string `json:"revised_prompt"`
Url string `json:"url"`
} `json:"data"`
}
type ErrRes struct {
Error struct {
Code interface{} `json:"code"`
Message string `json:"message"`
Param interface{} `json:"param"`
Type string `json:"type"`
} `json:"error"`
}
// Dall3 DallE3 AI 绘图
func (h *FunctionHandler) Dall3(c *gin.Context) {
if err := h.checkAuth(c); err != nil {
resp.ERROR(c, err.Error())
return
}
var params map[string]interface{}
if err := c.ShouldBindJSON(&params); err != nil {
resp.ERROR(c, types.InvalidArgs)
return
}
logger.Debugf("绘画参数:%+v", params)
// check img calls
var user model.User
tx := h.db.Where("id = ?", params["user_id"]).First(&user)
if tx.Error != nil {
resp.ERROR(c, "当前用户不存在!")
return
}
if user.Power < h.App.SysConfig.DallPower {
resp.ERROR(c, "当前用户剩余算力不足以完成本次绘画!")
return
}
prompt := utils.InterfaceToString(params["prompt"])
// get image generation API KEY
var apiKey model.ApiKey
tx = h.db.Where("platform = ?", types.OpenAI).Where("type = ?", "img").Where("enabled = ?", true).Order("last_used_at ASC").First(&apiKey)
if tx.Error != nil {
resp.ERROR(c, "获取绘图 API KEY 失败: "+tx.Error.Error())
return
}
// get image generation api URL
var conf model.Config
var chatConfig types.ChatConfig
tx = h.db.Where("marker", "chat").First(&conf)
if tx.Error != nil {
resp.ERROR(c, "error with get chat configs:"+tx.Error.Error())
return
}
err := utils.JsonDecode(conf.Config, &chatConfig)
if err != nil {
resp.ERROR(c, "error with decode chat config: "+err.Error())
return
}
// translate prompt
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]"
pt, err := utils.OpenAIRequest(h.db, fmt.Sprintf(translatePromptTemplate, params["prompt"]), h.App.Config.ProxyURL)
if err == nil {
logger.Debugf("翻译绘画提示词,原文:%s译文%s", prompt, pt)
prompt = pt
}
imgNum := chatConfig.DallImgNum
if imgNum <= 0 {
imgNum = 1
}
var res imgRes
var errRes ErrRes
var request *req.Request
if apiKey.UseProxy && h.proxyURL != "" {
request = req.C().SetProxyURL(h.proxyURL).R()
} else {
request = req.C().R()
}
logger.Debugf("Sending %s request, ApiURL:%s, API KEY:%s, PROXY: %s", apiKey.Platform, apiKey.ApiURL, apiKey.Value, h.proxyURL)
r, err := request.SetHeader("Content-Type", "application/json").
SetHeader("Authorization", "Bearer "+apiKey.Value).
SetBody(imgReq{
Model: "dall-e-3",
Prompt: prompt,
N: imgNum,
Size: "1024x1024",
}).
SetErrorResult(&errRes).
SetSuccessResult(&res).Post(apiKey.ApiURL)
if r.IsErrorState() {
resp.ERROR(c, "请求 OpenAI API 失败: "+errRes.Error.Message)
return
}
// 更新 API KEY 的最后使用时间
h.db.Model(&apiKey).UpdateColumn("last_used_at", time.Now().Unix())
logger.Debugf("%+v", res)
// 存储图片
imgURL, err := h.uploadManager.GetUploadHandler().PutImg(res.Data[0].Url, false)
if err != nil {
resp.ERROR(c, "下载图片失败: "+err.Error())
return
}
content := fmt.Sprintf("下面是根据您的描述创作的图片,它描绘了 【%s】 的场景。 \n\n![](%s)\n", prompt, imgURL)
// update user's img_calls
tx = h.db.Model(&model.User{}).Where("id = ?", user.Id).UpdateColumn("power", gorm.Expr("power - ?", h.App.SysConfig.DallPower))
// 记录算力变化日志
if tx.Error == nil && tx.RowsAffected > 0 {
h.db.Create(&model.PowerLog{
UserId: user.Id,
Username: user.Username,
Type: types.PowerConsume,
Amount: h.App.SysConfig.DallPower,
Balance: user.Power - h.App.SysConfig.DallPower,
Mark: types.PowerSub,
Model: "dall-e-3",
Remark: "",
CreatedAt: time.Now(),
})
}
resp.SUCCESS(c, content)
}