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geekai/api/handler/function_handler.go

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package handler
// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// * Copyright 2023 The Geek-AI Authors. All rights reserved.
// * Use of this source code is governed by a Apache-2.0 license
// * that can be found in the LICENSE file.
// * @Author yangjian102621@163.com
// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
import (
"errors"
"fmt"
"geekai/core"
"geekai/core/types"
"geekai/service"
"geekai/service/dalle"
"geekai/service/oss"
"geekai/store/model"
"geekai/store/vo"
"geekai/utils"
"geekai/utils/resp"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/golang-jwt/jwt/v5"
"github.com/imroc/req/v3"
"gorm.io/gorm"
)
type FunctionHandler struct {
BaseHandler
uploadManager *oss.UploaderManager
dallService *dalle.Service
userService *service.UserService
}
func NewFunctionHandler(
server *core.AppServer,
db *gorm.DB,
config *types.AppConfig,
manager *oss.UploaderManager,
dallService *dalle.Service,
userService *service.UserService) *FunctionHandler {
return &FunctionHandler{
BaseHandler: BaseHandler{
App: server,
DB: db,
},
uploadManager: manager,
dallService: dallService,
userService: userService,
}
}
// RegisterRoutes 注册路由
func (h *FunctionHandler) RegisterRoutes() {
group := h.App.Engine.Group("/api/function/")
group.GET("list", h.List)
// 需要用户授权的接口
group.POST("weibo", h.WeiBo)
group.POST("zaobao", h.ZaoBao)
group.POST("dalle3", h.Dall3)
}
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
}
url := fmt.Sprintf("%s/api/weibo/fetch", types.GeekAPIURL)
var res resVo
r, err := req.C().R().
SetHeader("Authorization", "Bearer geekai-plus").
SetSuccessResult(&res).Get(url)
if err != nil {
resp.ERROR(c, fmt.Sprintf("%v", err))
return
}
if r.IsErrorState() {
resp.ERROR(c, fmt.Sprintf("error http code status: %v", r.Status))
}
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
}
url := fmt.Sprintf("%s/api/zaobao/fetch", types.GeekAPIURL)
var res resVo
r, err := req.C().R().
SetHeader("Authorization", "Bearer geekai-plus").
SetSuccessResult(&res).Get(url)
if err != nil {
resp.ERROR(c, fmt.Sprintf("%v", err))
return
}
if r.IsErrorState() {
resp.ERROR(c, fmt.Sprintf("%v", 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, res.Data.Title)
resp.SUCCESS(c, strings.Join(builder, "\n\n"))
}
// 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
}
var chatModel model.ChatModel
res := h.DB.Where("type = ?", "img").Where("enabled", true).First(&chatModel)
if res.Error != nil {
resp.ERROR(c, "没有找到可用的AI绘图模型")
return
}
logger.Debugf("绘画参数:%+v", params)
var user model.User
res = h.DB.Where("id = ?", params["user_id"]).First(&user)
if res.Error != nil {
resp.ERROR(c, "当前用户不存在!")
return
}
if user.Power < chatModel.Power {
resp.ERROR(c, "创建绘图任务失败,算力不足")
return
}
// create dall task
prompt := utils.InterfaceToString(params["prompt"])
task := types.DallTask{
UserId: user.Id,
Prompt: prompt,
ModelId: chatModel.Id,
ModelName: chatModel.Value,
TranslateModelId: h.App.SysConfig.Base.AssistantModelId,
N: 1,
Quality: "standard",
Size: "1024x1024",
Style: "vivid",
Power: chatModel.Power,
}
job := model.DallJob{
UserId: user.Id,
Prompt: prompt,
Power: chatModel.Power,
TaskInfo: utils.JsonEncode(task),
}
err := h.DB.Create(&job).Error
if err != nil {
resp.ERROR(c, "创建绘图任务失败:"+err.Error())
return
}
task.Id = job.Id
content, err := h.dallService.Image(task, true)
if err != nil {
resp.ERROR(c, "任务执行失败:"+err.Error())
return
}
// 扣减算力
err = h.userService.DecreasePower(user.Id, job.Power, model.PowerLog{
Type: types.PowerConsume,
Model: task.ModelName,
Remark: fmt.Sprintf("绘画提示词:%s", utils.CutWords(job.Prompt, 10)),
})
if err != nil {
resp.ERROR(c, "扣减算力失败:"+err.Error())
return
}
resp.SUCCESS(c, content)
}
// List 获取所有的工具函数列表
func (h *FunctionHandler) List(c *gin.Context) {
var items []model.Function
err := h.DB.Where("enabled", true).Find(&items).Error
if err != nil {
resp.ERROR(c, err.Error())
return
}
tools := make([]vo.Function, 0)
for _, v := range items {
var f vo.Function
err = utils.CopyObject(v, &f)
if err != nil {
continue
}
f.Action = ""
f.Token = ""
tools = append(tools, f)
}
resp.SUCCESS(c, tools)
}