101 lines
2.2 KiB
Go
101 lines
2.2 KiB
Go
package main
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import (
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"encoding/xml"
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"errors"
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"flag"
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"fmt"
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"net/http"
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"strings"
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"time"
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"github.com/hamcha/clessy/tg"
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)
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func assert(err error) {
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if err != nil {
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panic(err)
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}
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}
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var chatID *int
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var lastPage string
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var broker *tg.Broker
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var apichat *tg.APIChat
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const mspaRSS = "http://mspaintadventures.com/rss/rss.xml"
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const timelayout = "Mon, 2 Jan 2006 15:04:05 -0700"
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type Item struct {
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Title string `xml:"title"`
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Link string `xml:"link"`
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Date string `xml:"pubDate"`
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}
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type RSS struct {
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Items []Item `xml:"channel>item"`
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}
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func process(b *tg.Broker, update tg.APIMessage) {
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if update.Chat.ChatID == *chatID && *(update.Text) == "!start" {
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broker = b
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apichat = update.Chat
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broker.SendTextMessage(apichat, "Ok! Aspetto updates..", &update.MessageID)
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}
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}
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func advert(page Item) {
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date, _ := time.Parse(timelayout, page.Date)
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dateStr := date.Format("15:04:05")
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parts := strings.Split(page.Link, "p=")
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pagen := strings.Trim(parts[1], "0")
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text := "<b>Nuova pagina uscita!</b>\n\n#" + pagen + " - " + dateStr + "\n" + page.Title + "\n\n<a href=\"" + page.Link + "\">Clicca qui per leggerla</a>"
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broker.SendTextMessage(apichat, text, nil)
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}
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func startPolling(delay int64) {
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panicFn := func(err error) {
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broker.SendTextMessage(apichat, "Errore cercando di leggere l'RSS! @HAMCHA LEGGI LA CONSOLE!", nil)
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panic(err)
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}
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for broker == nil {
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// Wait for broker
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time.Sleep(time.Second)
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}
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for {
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resp, err := http.Get(mspaRSS)
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if err != nil {
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panicFn(err)
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}
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var out RSS
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err = xml.NewDecoder(resp.Body).Decode(&out)
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if err != nil {
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panicFn(err)
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}
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if len(out.Items) < 1 {
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panicFn(errors.New("0 items in the RSS Feed?"))
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}
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if out.Items[0].Link != lastPage {
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fmt.Println("Got new page: " + out.Items[0].Link)
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if lastPage != "" {
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advert(out.Items[0])
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}
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lastPage = out.Items[0].Link
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}
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time.Sleep(time.Second * time.Duration(delay))
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}
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}
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func main() {
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brokerAddr := flag.String("broker", "localhost:7314", "Broker address:port")
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delay := flag.Int64("delau", 5*60, "How many seconds between each poll")
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chatID = flag.Int("chatid", -68373985, "Telegram Chat ID to count stats for")
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flag.Parse()
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lastPage = ""
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go startPolling(*delay)
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err := tg.CreateBrokerClient(*brokerAddr, process)
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assert(err)
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}
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