// node returns a string representation of the selection.
func node(i int, s *goquery.Selection) string {
switch node := s.Get(0); {
case node.Data == "h1":
return fmt.Sprintf(" \033[%dm# %s\033[0m\n\n", blue, text(s))
case node.Data == "h2":
return fmt.Sprintf(" \033[%dm## %s\033[0m\n\n", blue, text(s))
case node.Data == "h3":
return fmt.Sprintf(" \033[%dm### %s\033[0m\n\n", blue, text(s))
case node.Data == "p":
return fmt.Sprintf("\033[%dm%s\033[0m\n\n", none, indent(text(s), 1))
case node.Data == "pre" || s.HasClass("highlight"):
return fmt.Sprintf("\033[1m%s\033[0m\n\n", indent(text(s), 2))
case node.Data == "a":
return fmt.Sprintf("%s (%s) ", s.Text(), s.AttrOr("href", "missing link"))
case node.Data == "li":
return fmt.Sprintf(" • %s\n", contents(s))
case node.Data == "ul":
return fmt.Sprintf("%s\n", nodes(s))
case node.Data == "code":
return fmt.Sprintf("\033[1m%s\033[0m ", s.Text())
case node.Type == html.TextNode:
return strings.TrimSpace(node.Data)
default:
return ""
}
}
// 处理 Reddit 中的一条资源
func dealRedditOneResource(contentSelection *goquery.Selection) error {
aSelection := contentSelection.Find(".title a.title")
title := aSelection.Text()
if title == "" {
return errors.New("title is empty")
}
resourceUrl, ok := aSelection.Attr("href")
if !ok || resourceUrl == "" {
return errors.New("resource url is empty")
}
isReddit := false
resource := model.NewResource()
// Reddit 自身的内容
if contentSelection.HasClass("self") {
isReddit = true
resourceUrl = Reddit + resourceUrl
}
err := resource.Where("url=?", resourceUrl).Find("id")
// 已经存在
if resource.Id != 0 {
// 如果是 reddit 本身的，可以更新评论信息
if !isReddit {
return errors.New("url" + resourceUrl + "has exists!")
}
}
if isReddit {
resource.Form = model.ContentForm
var doc *goquery.Document
if doc, err = goquery.NewDocument(resourceUrl); err != nil {
return errors.New("goquery reddit.com/r/golang self newdocument error:" + err.Error())
}
content, err := doc.Find("#siteTable .usertext .md").Html()
if err != nil {
return err
}
doc.Find(".commentarea .comment .usertext .md").Each(func(i int, contentSel *goquery.Selection) {
if i == 0 {
content += `<hr/>**评论：**<br/><br/>`
}
comment, err := contentSel.Html()
if err != nil {
return
}
comment = strings.TrimSpace(comment)
comment = resourceRe.ReplaceAllLiteralString(comment, "\n")
author := contentSel.ParentsFiltered(".usertext").Prev().Find(".author").Text()
content += author + ": <pre>" + comment + "</pre>"
})
if strings.TrimSpace(content) == "" {
return errors.New("goquery reddit.com/r/golang self newdocument(" + resourceUrl + ") error: content is empty")
}
resource.Content = content
// reddit 本身的，当做其他资源
resource.Catid = 4
} else {
resource.Form = model.LinkForm
// Github，是开源项目
if contentSelection.Find(".title .domain a").Text() == "github.com" {
resource.Catid = 2
} else {
resource.Catid = 1
}
}
resource.Title = title
resource.Url = resourceUrl
resource.Uid = PresetUids[rand.Intn(4)]
ctime := util.TimeNow()
datetime, ok := contentSelection.Find(".tagline time").Attr("datetime")
if ok {
dtime, err := time.ParseInLocation(time.RFC3339, datetime, time.UTC)
if err != nil {
logger.Errorln("parse ctime error:", err)
} else {
ctime = dtime.Local().Format("2006-01-02 15:04:05")
}
}
resource.Ctime = ctime
if resource.Id == 0 {
var id int64
id, err = resource.Insert()
if err != nil {
return errors.New("insert into Resource error:" + err.Error())
}
// 存扩展信息
resourceEx := model.NewResourceEx()
resourceEx.Id = int(id)
if _, err = resourceEx.Insert(); err != nil {
return errors.New("insert into ResourceEx error:" + err.Error())
}
} else {
if err = resource.Persist(resource); err != nil {
return errors.New("persist resource:" + strconv.Itoa(resource.Id) + " error:" + err.Error())
}
}
return nil
}