Method GetDoubanBookInfo

backend/handler/memo.go:727–838

GetDoubanBookInfo godoc @Tags Memo @Summary 获取豆瓣读书详情 @Accept json @Produce json @Param id query int true "豆瓣读书ID" @Param x-api-token header string true "登录TOKEN" @Success 200 {object} vo.DoubanBook @Router /api/memo/

(c echo.Context)

//	@Success    200         {object}    vo.DoubanBook
//	@Router     /api/memo/getDoubanBookInfo [post]
func (m MemoHandler) GetDoubanBookInfo(c echo.Context) error {

	var (
		book        vo.DoubanBook
		sysConfigVo vo.FullSysConfigVO
		sysConfig   db.SysConfig
		re          = regexp.MustCompile(`\d{4}-\d{1,2}(-\d{1,2})?`)
		userAgent   = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3"
	)
	if err := m.base.db.First(&sysConfig).Error; errors.Is(err, gorm.ErrRecordNotFound) {
		return FailRespWithMsg(c, Fail, "系统配置为空")
	}
	err := json.Unmarshal([]byte(sysConfig.Content), &sysConfigVo)
	if err != nil {
		return FailRespWithMsg(c, Fail, "读取系统配置异常")
	}

	id := c.QueryParam("id")
	m.base.log.Info().Msgf("开始分析豆瓣图书,id:%s", id)

	target := fmt.Sprintf("https://book.douban.com/subject/%s/", id)
	// Request the HTML page.
	client := &http.Client{}
	start := time.Now()
	req, _ := http.NewRequest("GET", target, nil)
	m.base.log.Info().Msgf("请求豆瓣读书地址:%s,耗时:%f秒", target, time.Since(start).Seconds())
	req.Header.Set("User-Agent", userAgent)
	res, err := client.Do(req)
	if err != nil {
		m.base.log.Error().Msgf("获取豆瓣读书异常:%s", err.Error())
		return FailRespWithMsg(c, Fail, err.Error())
	}
	defer res.Body.Close()
	if res.StatusCode != 200 {
		m.base.log.Error().Msgf("豆瓣读书API返回码不是200,而是:%d", res.StatusCode)
		return FailRespWithMsg(c, Fail, fmt.Sprintf("豆瓣读书API返回码不是200,而是:%d,URL:%s", res.StatusCode, target))
	}

	// Load the HTML document
	doc, err := goquery.NewDocumentFromReader(res.Body)
	if err != nil {
		m.base.log.Error().Msgf("初始化html错误,%s", err.Error())
		return FailRespWithMsg(c, Fail, fmt.Sprintf("初始化html错误,%s", err.Error()))
	}

	doc.Find("meta[property]").Each(func(i int, s *goquery.Selection) {
		if properties, exists := s.Attr("property"); exists {
			value := s.AttrOr("content", "")
			if properties == "og:title" {
				book.Title = value
			} else if properties == "og:description" {
				book.Desc = value
			} else if properties == "og:image" {
				book.Image = value
			} else if properties == "book:author" {
				book.Author = value
			} else if properties == "book:isbn" {
				book.Isbn = value