Remove 'item is not twitter link' log message

Apparently, nitter is back via https://xcancel.com/

.env.template

@@ -1 +1 @@
-SN_AUTH_COOKIE=
+SN_API_KEY=

.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 .

README.md

@@ -1,6 +1,6 @@
-# unpaywall
+# nitterbot
 
-This is a [Stacker News bot](https://stacker.news/unpaywall) that fetches every minute all recent posts.
+This is a [Stacker News bot](https://stacker.news/nitter) that fetches every minute all recent posts.
 
 If a post is a twitter link, it adds a comment with nitter links and stores the comment + item id in a sqlite3 database.
 

db.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/ekzyis/sn-goapi"
+	sn "github.com/ekzyis/snappy"
 	_ "github.com/mattn/go-sqlite3"
 )
 
@@ -15,7 +15,7 @@ var (
 
 func init() {
 	var err error
-	db, err = sql.Open("sqlite3", "unpaywall.sqlite3")
+	db, err = sql.Open("sqlite3", "nitterbot.sqlite3")
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -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

@@ -3,11 +3,6 @@ module git.ekzyis.com/ekzyis/unpaywall
 go 1.21.0
 
 require (
-	github.com/ekzyis/sn-goapi v0.3.1
+	github.com/ekzyis/snappy v0.5.3
 	github.com/mattn/go-sqlite3 v1.14.17
 )
-
-require (
-	github.com/joho/godotenv v1.5.1 // indirect
-	github.com/namsral/flag v1.7.4-pre // indirect
-)

go.sum

@@ -1,8 +1,4 @@
-github.com/ekzyis/sn-goapi v0.3.1 h1:IAlbqksX6Vjj25aDFZxml0pAmHgqWDsK3gTYEiIKCcs=
+github.com/ekzyis/snappy v0.5.3 h1:Pq8b2s4WPz5gnHgCoZR2LVqArEVqWeVCyHSVZCawat4=
-github.com/ekzyis/sn-goapi v0.3.1/go.mod h1:FObbYr/NXgnXNWU+EwiWKoWQy+wAaRS6AoW3NgsJ/Oo=
+github.com/ekzyis/snappy v0.5.3/go.mod h1:BxJwdGlCwUw0Q5pQzBr59weAIS6pkVdivBBaZkkWTSo=
-github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
-github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/mattn/go-sqlite3 v1.14.17 h1:mCRHCLDUBXgpKAqIKsaAaAsrAlbkeomtRFKXh2L6YIM=
 github.com/mattn/go-sqlite3 v1.14.17/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
-github.com/namsral/flag v1.7.4-pre h1:b2ScHhoCUkbsq0d2C15Mv+VU8bl8hAXV8arnWiOHNZs=
-github.com/namsral/flag v1.7.4-pre/go.mod h1:OXldTctbM6SWH1K899kPZcf65KxJiD7MsceFUpB5yDo=

main.go

@@ -1,18 +1,30 @@
 package main
 
 import (
+	"bufio"
 	"fmt"
 	"log"
+	"os"
 	"regexp"
 	"strings"
 	"time"
 
-	"github.com/ekzyis/sn-goapi"
+	sn "github.com/ekzyis/snappy"
 )
 
+type NostrClient struct {
+	Url  string
+	Name string
+}
+
 var (
-	TwitterUrlRegexp = regexp.MustCompile(`^(?:https?:\/\/)?((www\.)?(twitter|x)\.com)\/`)
+	TwitterUrlRegexp = regexp.MustCompile(`(?:https?:\/\/)?(?:www\.)?((?:twitter|x)\.com)\/\w+\/status(?:es)?\/\d+`)
-	NitterUrls       = []string{"nitter.net", "nitter.it", "nitter.cz"}
+	// references:
+	// - https://github.com/zedeus/nitter/wiki/Instances
+	// - https://status.d420.de/
+	NitterClearnetUrls = []string{
+		"xcancel.com",
+	}
 )
 
 func WaitUntilNext(d time.Duration) {
@@ -22,41 +34,17 @@ func WaitUntilNext(d time.Duration) {
 	time.Sleep(dur)
 }
 
-func CheckNotifications() {
-	var prevHasNewNotes bool
-	for {
-		log.Println("Checking notifications ...")
-		hasNewNotes, err := sn.CheckNotifications()
-		if err != nil {
-			SendToNostr(fmt.Sprint(err))
-		} else {
-			if !prevHasNewNotes && hasNewNotes {
-				// only send on "rising edge"
-				SendToNostr("new notifications")
-				log.Println("Forwarded notifications to monitoring")
-			} else if hasNewNotes {
-				log.Println("Notifications already forwarded")
-			}
-		}
-		prevHasNewNotes = hasNewNotes
-		WaitUntilNext(time.Hour)
-	}
-}
-
-func SessionKeepAlive() {
-	for {
-		log.Println("Refresh session using GET /api/auth/session ...")
-		sn.RefreshSession()
-		WaitUntilNext(time.Hour)
-	}
-}
-
 func main() {
-	go CheckNotifications()
+	loadEnv()
-	go SessionKeepAlive()
+
+	c := sn.NewClient(
+		sn.WithBaseUrl(os.Getenv("SN_BASE_URL")),
+		sn.WithApiKey(os.Getenv("SN_API_KEY")),
+	)
+
 	for {
 		log.Println("fetching items ...")
-		r, err := sn.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))
@@ -65,32 +53,68 @@ 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(m[0], m[1], "xcancel.com", 1)
+			} else if m = TwitterUrlRegexp.FindStringSubmatch(item.Text); m != nil {
+				comment = strings.Replace(m[0], 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 := "Nitter links:\n\n"
+
-				for _, nUrl := range NitterUrls {
+				cId, err := c.CreateComment(item.Id, comment)
-					nitterLink := strings.Replace(item.Url, m[1], nUrl, 1)
-					comment += nitterLink + "\n"
-				}
-				comment += "\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 := sn.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)
 			}
 		}
 
 		WaitUntilNext(time.Minute)
 	}
 }
+
+func loadEnv() {
+	var (
+		f   *os.File
+		s   *bufio.Scanner
+		err error
+	)
+
+	if f, err = os.Open(".env"); err != nil {
+		log.Fatalf("error opening .env: %v", err)
+	}
+	defer f.Close()
+
+	s = bufio.NewScanner(f)
+	s.Split(bufio.ScanLines)
+	for s.Scan() {
+		line := s.Text()
+		parts := strings.SplitN(line, "=", 2)
+
+		// Check if we have exactly 2 parts (key and value)
+		if len(parts) == 2 {
+			os.Setenv(parts[0], parts[1])
+		} else {
+			log.Fatalf(".env: invalid line: %s\n", line)
+		}
+	}
+
+	// Check for errors during scanning
+	if err = s.Err(); err != nil {
+		fmt.Println("error scanning .env:", err)
+	}
+
+}