func loopFeed(feed *rss.Feed, url string, chatid int) {
go func() {
interval := 7
stopRssLoop[strconv.Itoa(chatid)+":"+url] = make(chan bool)
firstLoop := true
t := time.Tick(time.Minute*time.Duration(interval-1) +
time.Second*time.Duration(rand.Intn(120)))
Loop:
for {
select {
case <-stopRssLoop[strconv.Itoa(chatid)+":"+url]:
break Loop
case <-t:
if firstLoop {
time.Sleep(time.Duration(rand.Intn(interval)) * time.Minute)
firstLoop = false
}
if err := feed.Fetch(url, charsetReader); err != nil {
loge.Warningf("failed to fetch rss, "+
"retry in 3 seconds... [ %s ]", url)
time.Sleep(time.Second * 3)
continue
}
}
}
}()
}
func chanHandler(feed *rss.Feed, newchannels []*rss.Channel) {
fmt.Printf("%d new channel(s) in %s\n", len(newchannels), feed.Url)
fmt.Printf("%d seconds between updates\n", feed.SecondsTillUpdate())
}