Files
nlnieuws/RO/cmd/ro/ro.go
Peter Kleiweg 9b65fa8efa update
2026-03-17 12:32:46 +01:00

105 lines
2.0 KiB
Go

package main
import (
e "codeberg.org/pebbe/errors"
"encoding/xml"
"fmt"
"io"
"net/http"
"net/url"
"os"
"strings"
"time"
)
type Rss struct {
XMLName xml.Name `xml:"rss"`
Items []ItemT `xml:"channel>item"`
}
type ItemT struct {
PubDate string `xml:"pubDate"`
UnixTime int64 `xml:"unixTime"`
Guid string `xml:"guid"`
Data []byte `xml:",innerxml"`
}
var (
p = e.PanicErr
agent = "AhrefsBot/7.0"
)
func exists(filename string) bool {
_, err := os.Stat(filename)
return err == nil
}
func main() {
defer func() {
if e.Panicked {
_ = recover()
os.Exit(1)
}
}()
req, err := http.NewRequest("GET", "https://reportersonline.nl/feed/", nil)
p(err)
req.Header.Set("User-Agent", agent)
client := &http.Client{}
resp, err := client.Do(req)
p(err)
body, err := io.ReadAll(resp.Body)
p(err)
p(resp.Body.Close())
var rss Rss
p(xml.Unmarshal(body, &rss))
if len(rss.Items) == 0 {
p(fmt.Errorf("len(rss.Items) == 0"))
}
for _, item := range rss.Items {
t, err := time.Parse(time.RFC1123Z, item.PubDate)
if err != nil {
t, err = time.Parse(time.RFC1123, item.PubDate)
}
p(err)
year, week := t.ISOWeek()
dirname := fmt.Sprintf("/net/corpora/nlnieuws/RO/%d/%02d", year, week)
if exists(dirname + "/lock") {
continue
}
basename := strings.TrimPrefix(item.Guid, "https://reportersonline.nl/?p=")
if i := strings.LastIndex(basename, "/"); i > 0 {
basename = basename[:i]
}
filename := dirname + "/" + url.PathEscape(basename)
p(os.MkdirAll(dirname, 0777))
func() {
var ok bool
defer func() {
if e.Panicked {
fmt.Fprintln(os.Stderr, "----", filename, "----")
}
if !ok {
_ = os.Remove(filename + ".xml")
}
}()
fp, err := os.Create(filename + ".xml")
p(err)
p(fp.WriteString("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<item>\n"))
p(fmt.Fprintf(fp, "<unixTime>%d</unixTime>", t.Unix()))
p(fp.Write(item.Data))
p(fp.WriteString("</item>\n"))
p(fp.Close())
p(os.Chtimes(filename+".xml", t, t))
ok = true
}()
}
}