mirror of
https://gitee.com/blackfox/geekai.git
synced 2024-12-04 21:27:39 +08:00
282 lines
7.3 KiB
Go
282 lines
7.3 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/service/oss"
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"chatplus/store/model"
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"chatplus/utils"
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"chatplus/utils/resp"
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"errors"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v5"
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"github.com/imroc/req/v3"
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"gorm.io/gorm"
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"strings"
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"time"
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)
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type FunctionHandler struct {
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BaseHandler
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db *gorm.DB
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config types.ChatPlusApiConfig
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uploadManager *oss.UploaderManager
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proxyURL string
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}
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func NewFunctionHandler(server *core.AppServer, db *gorm.DB, config *types.AppConfig, manager *oss.UploaderManager) *FunctionHandler {
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return &FunctionHandler{
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BaseHandler: BaseHandler{
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App: server,
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},
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db: db,
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config: config.ApiConfig,
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uploadManager: manager,
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proxyURL: config.ProxyURL,
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}
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}
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type resVo struct {
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Code types.BizCode `json:"code"`
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Message string `json:"message"`
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Data struct {
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Title string `json:"title"`
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UpdatedAt string `json:"updated_at"`
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Items []dataItem `json:"items"`
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} `json:"data"`
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}
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type dataItem struct {
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Title string `json:"title"`
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Url string `json:"url"`
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Remark string `json:"remark"`
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}
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// check authorization
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func (h *FunctionHandler) checkAuth(c *gin.Context) error {
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tokenString := c.GetHeader(types.UserAuthHeader)
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token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
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}
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return []byte(h.App.Config.Session.SecretKey), nil
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})
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if err != nil {
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return fmt.Errorf("error with parse auth token: %v", err)
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}
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claims, ok := token.Claims.(jwt.MapClaims)
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if !ok || !token.Valid {
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return errors.New("token is invalid")
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}
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expr := utils.IntValue(utils.InterfaceToString(claims["expired"]), 0)
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if expr > 0 && int64(expr) < time.Now().Unix() {
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return errors.New("token is expired")
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}
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return nil
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}
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// WeiBo 微博热搜
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func (h *FunctionHandler) WeiBo(c *gin.Context) {
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if err := h.checkAuth(c); err != nil {
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resp.ERROR(c, err.Error())
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return
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}
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if h.config.Token == "" {
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resp.ERROR(c, "无效的 API Token")
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return
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}
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url := fmt.Sprintf("%s/api/weibo/fetch", h.config.ApiURL)
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var res resVo
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r, err := req.C().R().
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SetHeader("AppId", h.config.AppId).
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SetHeader("Authorization", fmt.Sprintf("Bearer %s", h.config.Token)).
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SetSuccessResult(&res).Get(url)
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if err != nil || r.IsErrorState() {
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resp.ERROR(c, fmt.Sprintf("%v%v", err, r.Err))
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return
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}
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if res.Code != types.Success {
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resp.ERROR(c, res.Message)
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return
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}
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builder := make([]string, 0)
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builder = append(builder, fmt.Sprintf("**%s**，最新更新：%s", res.Data.Title, res.Data.UpdatedAt))
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for i, v := range res.Data.Items {
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builder = append(builder, fmt.Sprintf("%d、 [%s](%s) [热度：%s]", i+1, v.Title, v.Url, v.Remark))
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}
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resp.SUCCESS(c, strings.Join(builder, "\n\n"))
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}
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// ZaoBao 今日早报
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func (h *FunctionHandler) ZaoBao(c *gin.Context) {
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if err := h.checkAuth(c); err != nil {
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resp.ERROR(c, err.Error())
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return
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}
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if h.config.Token == "" {
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resp.ERROR(c, "无效的 API Token")
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return
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}
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url := fmt.Sprintf("%s/api/zaobao/fetch", h.config.ApiURL)
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var res resVo
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r, err := req.C().R().
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SetHeader("AppId", h.config.AppId).
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SetHeader("Authorization", fmt.Sprintf("Bearer %s", h.config.Token)).
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SetSuccessResult(&res).Get(url)
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if err != nil || r.IsErrorState() {
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resp.ERROR(c, fmt.Sprintf("%v%v", err, r.Err))
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return
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}
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if res.Code != types.Success {
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resp.ERROR(c, res.Message)
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return
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}
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builder := make([]string, 0)
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builder = append(builder, fmt.Sprintf("**%s 早报：**", res.Data.UpdatedAt))
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for _, v := range res.Data.Items {
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builder = append(builder, v.Title)
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}
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builder = append(builder, fmt.Sprintf("%s", res.Data.Title))
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resp.SUCCESS(c, strings.Join(builder, "\n\n"))
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}
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type imgReq struct {
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Model string `json:"model"`
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Prompt string `json:"prompt"`
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N int `json:"n"`
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Size string `json:"size"`
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}
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type imgRes struct {
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Created int64 `json:"created"`
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Data []struct {
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RevisedPrompt string `json:"revised_prompt"`
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Url string `json:"url"`
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} `json:"data"`
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}
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type ErrRes 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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// Dall3 DallE3 AI 绘图
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func (h *FunctionHandler) Dall3(c *gin.Context) {
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if err := h.checkAuth(c); err != nil {
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resp.ERROR(c, err.Error())
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return
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}
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var params map[string]interface{}
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if err := c.ShouldBindJSON(¶ms); err != nil {
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resp.ERROR(c, types.InvalidArgs)
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return
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}
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logger.Debugf("绘画参数：%+v", params)
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// check img calls
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var user model.User
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tx := h.db.Where("id = ?", params["user_id"]).First(&user)
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if tx.Error != nil {
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resp.ERROR(c, "当前用户不存在！")
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return
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}
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if user.ImgCalls <= 0 {
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resp.ERROR(c, "当前用户的绘图次数额度不足！")
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return
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}
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prompt := utils.InterfaceToString(params["prompt"])
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// get image generation API KEY
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var apiKey model.ApiKey
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tx = h.db.Where("platform = ? AND type = ?", types.OpenAI, "img").Order("last_used_at ASC").First(&apiKey)
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if tx.Error != nil {
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resp.ERROR(c, "获取绘图 API KEY 失败: "+tx.Error.Error())
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return
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}
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// get image generation api URL
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var conf model.Config
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var chatConfig types.ChatConfig
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tx = h.db.Where("marker", "chat").First(&conf)
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if tx.Error != nil {
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resp.ERROR(c, "error with get chat configs:"+tx.Error.Error())
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return
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}
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err := utils.JsonDecode(conf.Config, &chatConfig)
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if err != nil {
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resp.ERROR(c, "error with decode chat config: "+err.Error())
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return
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}
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// translate prompt
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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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pt, err := utils.OpenAIRequest(fmt.Sprintf(translatePromptTemplate, params["prompt"]), apiKey.Value, h.App.Config.ProxyURL, chatConfig.OpenAI.ApiURL)
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if err == nil {
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prompt = pt
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}
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apiURL := chatConfig.DallApiURL
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if utils.IsEmptyValue(apiURL) {
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apiURL = "https://api.openai.com/v1/images/generations"
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}
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imgNum := chatConfig.DallImgNum
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if imgNum <= 0 {
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imgNum = 1
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}
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var res imgRes
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var errRes ErrRes
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var request *req.Request
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if strings.Contains(apiURL, "api.openai.com") {
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request = req.C().SetProxyURL(h.proxyURL).R()
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} else {
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request = req.C().R()
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}
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r, err := request.SetHeader("Content-Type", "application/json").
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SetHeader("Authorization", "Bearer "+apiKey.Value).
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SetBody(imgReq{
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Model: "dall-e-3",
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Prompt: prompt,
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N: imgNum,
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Size: "1024x1024",
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}).
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SetErrorResult(&errRes).
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SetSuccessResult(&res).Post(apiURL)
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if r.IsErrorState() {
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resp.ERROR(c, "请求 OpenAI API 失败: "+errRes.Error.Message)
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return
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}
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// 存储图片
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imgURL, err := h.uploadManager.GetUploadHandler().PutImg(res.Data[0].Url, false)
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if err != nil {
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resp.ERROR(c, "下载图片失败: "+err.Error())
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return
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}
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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\n", prompt, imgURL)
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// update user's img_calls
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h.db.Model(&model.User{}).Where("id = ?", user.Id).UpdateColumn("img_calls", gorm.Expr("img_calls - ?", 1))
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resp.SUCCESS(c, content)
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}
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