first commit

.env.example

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+# GoToSocial Konfiguration
+GOTOSOCIAL_URL=https://your.gotosocial.instance
+GOTOSOCIAL_TOKEN=your_gotosocial_token
+
+# ntfy Konfiguration
+NTFY_SERVER=https://your.ntfy.server
+NTFY_TOKEN=your_ntfy_token  # Optional für authentifizierte Server
+NTFY_TOPIC=your_topic_name  # Benutzerdefiniertes Topic
+
+# Abfrageintervall (z.B. 30s, 5m)
+POLL_INTERVAL=30s

.gitignore

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+.env

Dockerfile

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+FROM golang:1.24-alpine AS builder
+RUN apk add --no-cache git
+WORKDIR /app
+COPY go.mod ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -o gots-notify .
+
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates
+WORKDIR /app
+COPY --from=builder /app/gots-notify .
+CMD ["./gots-notify"]

docker-compose.yml

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+version: '3.8'
+
+services:
+  gots-notify:
+    build: .
+    container_name: gots-notify
+    restart: unless-stopped
+    env_file:
+      - .env

go.mod

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+module gots-notify
+
+go 1.24.1

main.go

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+package main
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"time"
+)
+
+// Konfiguration aus Umgebungsvariablen
+var (
+	gotosocialURL    = os.Getenv("GOTOSOCIAL_URL")
+	accessToken      = os.Getenv("GOTOSOCIAL_TOKEN")
+	ntfyServer       = os.Getenv("NTFY_SERVER")
+	ntfyToken        = os.Getenv("NTFY_TOKEN")
+	ntfyTopic        = os.Getenv("NTFY_TOPIC")
+	pollInterval, _  = time.ParseDuration(os.Getenv("POLL_INTERVAL"))
+)
+
+type Notification struct {
+	ID        string `json:"id"`
+	Type      string `json:"type"`
+	CreatedAt string `json:"created_at"`
+	Account   struct {
+		DisplayName string `json:"display_name"`
+	} `json:"account"`
+	Status struct {
+		Content string `json:"content"`
+	} `json:"status"`
+}
+
+type NtfyMessage struct {
+	Topic    string `json:"topic"`
+	Title    string `json:"title"`
+	Message  string `json:"message"`
+	Tags     []string `json:"tags"`
+	Priority int    `json:"priority"`
+}
+
+func main() {
+	if pollInterval == 0 {
+		pollInterval = 30 * time.Second
+	}
+
+	ticker := time.NewTicker(pollInterval)
+	defer ticker.Stop()
+
+	lastID := ""
+
+	for {
+		select {
+		case <-ticker.C:
+			notifications, err := fetchNotifications(lastID)
+			if err != nil {
+				log.Printf("Fehler beim Abrufen: %v", err)
+				continue
+			}
+
+			if len(notifications) > 0 {
+				lastID = notifications[0].ID
+			}
+
+			for _, n := range notifications {
+				if err := sendToNtfy(n); err != nil {
+					log.Printf("Fehler beim Senden an ntfy: %v", err)
+				}
+			}
+		}
+	}
+}
+
+func fetchNotifications(sinceID string) ([]Notification, error) {
+	req, err := http.NewRequestWithContext(
+		context.Background(),
+		"GET",
+		gotosocialURL+"/api/v1/notifications",
+		nil,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Authorization", "Bearer "+accessToken)
+	q := req.URL.Query()
+	q.Add("limit", "10")
+	if sinceID != "" {
+		q.Add("since_id", sinceID)
+	}
+	req.URL.RawQuery = q.Encode()
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("Statuscode: %d", resp.StatusCode)
+	}
+
+	var notifications []Notification
+	if err := json.NewDecoder(resp.Body).Decode(&notifications); err != nil {
+		return nil, err
+	}
+
+	return notifications, nil
+}
+
+func sendToNtfy(n Notification) error {
+	msg := NtfyMessage{
+		Topic:   ntfyTopic,
+		Title:   fmt.Sprintf("Neue Benachrichtigung von %s", n.Account.DisplayName),
+		Message: fmt.Sprintf("Typ: %s\n\n%s", n.Type, n.Status.Content),
+		Tags:    []string{"bell", "incoming_envelope"},
+		Priority: 4,
+	}
+
+	jsonData, err := json.Marshal(msg)
+	if err != nil {
+		return err
+	}
+
+	req, err := http.NewRequest(
+		"POST",
+		ntfyServer,
+		bytes.NewBuffer(jsonData),
+	)
+	if err != nil {
+		return err
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+	if ntfyToken != "" {
+		req.Header.Set("Authorization", "Bearer "+ntfyToken)
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("ntfy antwortete mit: %d", resp.StatusCode)
+	}
+
+	return nil
+}