97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
package main
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import (
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"fmt"
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"log"
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"regexp"
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"strings"
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"time"
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"github.com/ekzyis/sn-goapi"
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)
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var (
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TwitterUrlRegexp = regexp.MustCompile(`^(?:https?:\/\/)?((www\.)?(twitter|x)\.com)\/`)
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NitterUrls = []string{"nitter.net", "nitter.it", "nitter.cz"}
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)
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func WaitUntilNext(d time.Duration) {
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now := time.Now()
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dur := now.Truncate(d).Add(d).Sub(now)
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log.Println("sleeping for", dur.Round(time.Second))
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time.Sleep(dur)
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}
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func CheckNotifications() {
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var prevHasNewNotes bool
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for {
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log.Println("Checking notifications ...")
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hasNewNotes, err := sn.CheckNotifications()
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if err != nil {
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SendToNostr(fmt.Sprint(err))
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} else {
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if !prevHasNewNotes && hasNewNotes {
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// only send on "rising edge"
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SendToNostr("new notifications")
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log.Println("Forwarded notifications to monitoring")
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} else if hasNewNotes {
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log.Println("Notifications already forwarded")
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}
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}
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prevHasNewNotes = hasNewNotes
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WaitUntilNext(time.Hour)
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}
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}
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func SessionKeepAlive() {
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for {
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log.Println("Refresh session using GET /api/auth/session ...")
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sn.RefreshSession()
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WaitUntilNext(time.Hour)
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}
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}
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func main() {
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go CheckNotifications()
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go SessionKeepAlive()
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for {
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log.Println("fetching items ...")
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r, err := sn.Items(&sn.ItemsQuery{Sort: "recent", Limit: 21})
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if err != nil {
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log.Println(err)
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SendToNostr(fmt.Sprint(err))
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WaitUntilNext(time.Minute)
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continue
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}
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for _, item := range r.Items {
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if m := TwitterUrlRegexp.FindStringSubmatch(item.Url); m != nil {
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log.Printf("item %d is twitter link\n", item.Id)
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if ItemHasComment(item.Id) {
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log.Printf("item %d already has nitter links comment\n", item.Id)
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continue
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}
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comment := "Nitter links:\n\n"
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for _, nUrl := range NitterUrls {
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nitterLink := strings.Replace(item.Url, m[1], nUrl, 1)
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comment += nitterLink + "\n"
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}
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comment += "\n_Nitter is a free and open source alternative Twitter front-end focused on privacy and performance. "
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comment += "Click [here](https://github.com/zedeus/nitter) for more information._"
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cId, err := sn.CreateComment(item.Id, comment)
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if err != nil {
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log.Println(err)
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SendToNostr(fmt.Sprint(err))
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continue
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}
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log.Printf("created comment %d\n", cId)
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SaveComment(&sn.Comment{Id: cId, Text: comment, ParentId: item.Id})
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} else {
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log.Printf("item %d is not twitter link\n", item.Id)
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}
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}
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WaitUntilNext(time.Minute)
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}
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}
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