Also reply to comments with xcancel.com link

.gitignore

@@ -1,3 +1,3 @@
-.env
+.env*
 *.sqlite3
-unpaywall
+nitterbot

Makefile

@@ -0,0 +1,2 @@
+nitterbot: *.go go.sum go.mod
+	go build -o nitterbot .

db.go

@@ -42,7 +42,9 @@ func ItemHasComment(parentId int) bool {
 	err := db.QueryRow(`SELECT COUNT(1) FROM comments WHERE parent_id = ?`, parentId).Scan(&count)
 	if err != nil {
 		err = fmt.Errorf("error during item check: %w", err)
-		log.Fatal(err)
+		log.Println(err)
+		// pretend that item has comment to avoid duplicate comments
+		return true
 	}
 	return count > 0
 }
@@ -51,6 +53,6 @@ func SaveComment(comment *sn.Comment) {
 	_, err := db.Exec(`INSERT INTO comments(id, text, parent_id) VALUES (?, ?, ?)`, comment.Id, comment.Text, comment.ParentId)
 	if err != nil {
 		err = fmt.Errorf("error during item insert: %w", err)
-		log.Fatal(err)
+		log.Println(err)
 	}
 }

go.mod

@@ -3,6 +3,6 @@ module git.ekzyis.com/ekzyis/unpaywall
 go 1.21.0
 
 require (
-	github.com/ekzyis/snappy v0.5.2
+	github.com/ekzyis/snappy v0.5.3
 	github.com/mattn/go-sqlite3 v1.14.17
 )

go.sum

@@ -1,4 +1,4 @@
-github.com/ekzyis/snappy v0.5.2 h1:3dZyj3Kz7fV3OStllq/koL6d5qNfBRK+4UB2L3RNmiQ=
-github.com/ekzyis/snappy v0.5.2/go.mod h1:BxJwdGlCwUw0Q5pQzBr59weAIS6pkVdivBBaZkkWTSo=
+github.com/ekzyis/snappy v0.5.3 h1:Pq8b2s4WPz5gnHgCoZR2LVqArEVqWeVCyHSVZCawat4=
+github.com/ekzyis/snappy v0.5.3/go.mod h1:BxJwdGlCwUw0Q5pQzBr59weAIS6pkVdivBBaZkkWTSo=
 github.com/mattn/go-sqlite3 v1.14.17 h1:mCRHCLDUBXgpKAqIKsaAaAsrAlbkeomtRFKXh2L6YIM=
 github.com/mattn/go-sqlite3 v1.14.17/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=

main.go

@@ -25,31 +25,6 @@ var (
 	NitterClearnetUrls = []string{
 		"xcancel.com",
 	}
-
-	// since v0.4.0, bot also replaces nostr links with nostr.com so users can pick their client
-	NostrUrlRegexp = regexp.MustCompile(
-		`^(?:https?:\/\/)?(?:www\.)?` +
-			`(?:` +
-			`primal\.net\/(?:e\/)?` +
-			`|snort\.social\/(?:e\/)?` +
-			`|iris\.to\/` +
-			`|highlighter\.com\/(?:a\/)?` +
-			`|nostter\.app\/` +
-			`|coracle\.social\/(?:notes\/)?` +
-			`|satellite\.earth\/` +
-			`|nostrudel\.ninja\/(?:#\/n\/)?` +
-			`)((note|nevent)[a-zA-Z0-9]+)$`)
-	NostrClients = []NostrClient{
-		// list from nostr.com
-		NostrClient{"https://primal.net/e/", "primal.net"},
-		NostrClient{"https://snort.social/e/", "snort.social"},
-		NostrClient{"https://nostrudel.ninja/#/n/", "nostrudel.ninja"},
-		NostrClient{"https://satellite.earth/thread/", "satellite.earth"},
-		NostrClient{"https://coracle.social/", "coracle.social"},
-		NostrClient{"https://nostter.app/", "nostter.app"},
-		NostrClient{"https://highlighter.com/a/", "highlighter.com"},
-		NostrClient{"https://iris.to/", "iris.to"},
-	}
 )
 
 func WaitUntilNext(d time.Duration) {
@@ -69,7 +44,7 @@ func main() {
 
 	for {
 		log.Println("fetching items ...")
-		r, err := c.Items(&sn.ItemsQuery{Sort: "recent", Limit: 21})
+		r, err := c.Items(&sn.ItemsQuery{Sort: "recent", Type: "all", Limit: 100})
 		if err != nil {
 			log.Println(err)
 			SendToNostr(fmt.Sprint(err))
@@ -78,54 +53,35 @@ func main() {
 		}
 
 		for _, item := range r.Items {
-			if m := TwitterUrlRegexp.FindStringSubmatch(item.Url); m != nil {
+			var m []string
+			var comment string
+
+			if m = TwitterUrlRegexp.FindStringSubmatch(item.Url); m != nil {
+				comment = strings.Replace(item.Url, m[1], "xcancel.com", 1)
+			} else if m = TwitterUrlRegexp.FindStringSubmatch(item.Text); m != nil {
+				comment = strings.Replace(item.Text, m[1], "xcancel.com", 1)
+			}
+
+			if comment != "" {
 				log.Printf("item %d is twitter link\n", item.Id)
+
 				if ItemHasComment(item.Id) {
 					log.Printf("item %d already has nitter links comment\n", item.Id)
 					continue
 				}
-				comment := "**Twitter2Nitter**\n\nClearnet: "
-				for _, nUrl := range NitterClearnetUrls {
-					nitterLink := strings.Replace(item.Url, m[1], nUrl, 1)
-					comment += fmt.Sprintf("[%s](%s) | ", nUrl, nitterLink)
-				}
-				comment = strings.TrimRight(comment, "| ")
-				comment += "\n\n_Nitter is a free and open source alternative Twitter front-end focused on privacy and performance. "
-				comment += "Click [here](https://github.com/zedeus/nitter) for more information._"
+
 				cId, err := c.CreateComment(item.Id, comment)
 				if err != nil {
-					log.Println(err)
+					log.Println("create comment failed:", err)
 					SendToNostr(fmt.Sprint(err))
 					continue
 				}
+
 				log.Printf("created comment %d\n", cId)
 				SaveComment(&sn.Comment{Id: cId, Text: comment, ParentId: item.Id})
 			} else {
 				log.Printf("item %d is not twitter link\n", item.Id)
 			}
-			if m := NostrUrlRegexp.FindStringSubmatch(item.Url); m != nil {
-				log.Printf("item %d is nostr link\n", item.Id)
-				if ItemHasComment(item.Id) {
-					log.Printf("item %d already has nostr links comment\n", item.Id)
-					continue
-				}
-				noteId := m[1]
-				comment := "**Nostr Client Picker**\n\n"
-				for _, client := range NostrClients {
-					comment += fmt.Sprintf("[%s](%s) | ", client.Name, client.Url+noteId)
-				}
-				comment = strings.TrimRight(comment, "| ")
-				cId, err := c.CreateComment(item.Id, comment)
-				if err != nil {
-					log.Println(err)
-					SendToNostr(fmt.Sprint(err))
-					continue
-				}
-				log.Printf("created comment %d\n", cId)
-				SaveComment(&sn.Comment{Id: cId, Text: comment, ParentId: item.Id})
-			} else {
-				log.Printf("item %d is not nostr link\n", item.Id)
-			}
 		}
 
 		WaitUntilNext(time.Minute)