feat: merge conflict resolution, site management, UI fixes

internal/service/notify_wechat.go

@@ -0,0 +1,77 @@
+// Package service — Server酱(WeChat) 通知 Provider。
+package service
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+// WechatProvider 通过 Server酱 API 推送消息到微信。
+// Server酱 API 文档: https://sct.ftqq.com/
+type WechatProvider struct{}
+
+// Send 发送 Server酱 推送消息。
+func (p *WechatProvider) Send(ctx context.Context, cfg map[string]string, event NotifyEvent) error {
+	sendkey := cfg["sendkey"]
+	if sendkey == "" {
+		return fmt.Errorf("wechat: sendkey is required")
+	}
+
+	payload := map[string]string{
+		"title": event.Title,
+		"desp":  event.Message,
+	}
+	if len(event.Data) > 0 {
+		payload["desp"] += "\n\n---\n\n"
+		for k, v := range event.Data {
+			payload["desp"] += fmt.Sprintf("- **%s**: %v\n", k, v)
+		}
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		return err
+	}
+
+	apiURL := fmt.Sprintf("https://sctapi.ftqq.com/%s.send", sendkey)
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, apiURL, bytes.NewReader(body))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	client := &http.Client{Timeout: 15 * time.Second}
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	respBody, _ := io.ReadAll(resp.Body)
+	if resp.StatusCode >= 400 {
+		return fmt.Errorf("wechat server酱 api error %d: %s", resp.StatusCode, string(respBody))
+	}
+
+	// 检查 Server酱 响应
+	var result map[string]interface{}
+	if err := json.Unmarshal(respBody, &result); err == nil {
+		if code, ok := result["code"].(float64); ok && code != 0 {
+			msg, _ := result["message"].(string)
+			return fmt.Errorf("wechat server酱 error: %s", msg)
+		}
+	}
+	return nil
+}
+
+// ValidateConfig 验证 Server酱 配置。
+func (p *WechatProvider) ValidateConfig(cfg map[string]string) error {
+	if cfg["sendkey"] == "" {
+		return fmt.Errorf("wechat: sendkey is required")
+	}
+	return nil
+}