2020-02-08 20:44:46 +08:00

74 lines
1.6 KiB
Go

package parser
import (
"fmt"
"strings"
"github.com/PuerkitoBio/goquery"
"github.com/iawia002/annie/downloader"
"github.com/iawia002/annie/request"
"github.com/iawia002/annie/utils"
)
// GetDoc return Document object of the HTML string
func GetDoc(html string) (*goquery.Document, error) {
doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))
if err != nil {
return nil, err
}
return doc, nil
}
// GetImages find the img with a given class name
func GetImages(
url, html, imgClass string, urlHandler func(string) string,
) (string, []downloader.URL, error) {
var err error
doc, err := GetDoc(html)
if err != nil {
return "", nil, err
}
title := Title(doc)
urls := make([]downloader.URL, 0)
urlData := downloader.URL{}
doc.Find(fmt.Sprintf("img[class=\"%s\"]", imgClass)).Each(
func(i int, s *goquery.Selection) {
urlData.URL, _ = s.Attr("src")
if urlHandler != nil {
// Handle URL as needed
urlData.URL = urlHandler(urlData.URL)
}
urlData.Size, err = request.Size(urlData.URL, url)
if err != nil {
return
}
_, urlData.Ext, err = utils.GetNameAndExt(urlData.URL)
if err != nil {
return
}
urls = append(urls, urlData)
},
)
if err != nil {
return "", nil, err
}
return title, urls, nil
}
// Title get title
func Title(doc *goquery.Document) string {
var title string
title = strings.Replace(
strings.TrimSpace(doc.Find("h1").First().Text()), "\n", "", -1,
)
if title == "" {
// Bilibili: Some movie page got no h1 tag
title, _ = doc.Find("meta[property=\"og:title\"]").Attr("content")
}
if title == "" {
title = doc.Find("title").Text()
}
return title
}