feat: channel adapters — dingtalk, wecom, bark

internal/adapter/bark.go

@@ -0,0 +1,41 @@
+package adapter
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type barkConfig struct {
+	URL string `json:"url"`
+}
+
+type barkPayload struct {
+	Title string `json:"title"`
+	Body  string `json:"body"`
+}
+
+type BarkSender struct{}
+
+func (s *BarkSender) Type() string { return "bark" }
+
+func (s *BarkSender) Send(title, content string, config json.RawMessage) error {
+	var cfg barkConfig
+	if err := json.Unmarshal(config, &cfg); err != nil {
+		return fmt.Errorf("parse bark config: %w", err)
+	}
+
+	payload := barkPayload{Title: title, Body: content}
+	body, _ := json.Marshal(payload)
+	resp, err := http.Post(cfg.URL, "application/json", bytes.NewReader(body))
+	if err != nil {
+		return fmt.Errorf("bark send: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 400 {
+		return fmt.Errorf("bark returned status %d", resp.StatusCode)
+	}
+	return nil
+}