feat: channel adapters — dingtalk, wecom, bark

internal/adapter/wecom.go

@@ -0,0 +1,51 @@
+package adapter
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type wecomConfig struct {
+	WebhookURL string `json:"webhook_url"`
+}
+
+type wecomMessage struct {
+	MsgType  string   `json:"msgtype"`
+	Markdown *wecomMD `json:"markdown"`
+}
+
+type wecomMD struct {
+	Content string `json:"content"`
+}
+
+type WeComSender struct{}
+
+func (s *WeComSender) Type() string { return "wecom" }
+
+func (s *WeComSender) Send(title, content string, config json.RawMessage) error {
+	var cfg wecomConfig
+	if err := json.Unmarshal(config, &cfg); err != nil {
+		return fmt.Errorf("parse wecom config: %w", err)
+	}
+
+	msg := wecomMessage{
+		MsgType: "markdown",
+		Markdown: &wecomMD{
+			Content: fmt.Sprintf("## %s\n%s", title, content),
+		},
+	}
+
+	body, _ := json.Marshal(msg)
+	resp, err := http.Post(cfg.WebhookURL, "application/json", bytes.NewReader(body))
+	if err != nil {
+		return fmt.Errorf("wecom send: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 400 {
+		return fmt.Errorf("wecom returned status %d", resp.StatusCode)
+	}
+	return nil
+}