JSON转换放在内置函数里

internal/app/service/audit/service.go

@@ -2,14 +2,12 @@
 package audit
 
 import (
-	"encoding/json"
 	"time"
 
 	"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
 	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
 	"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
 	"github.com/gin-gonic/gin"
-	"gorm.io/datatypes"
 )
 
 const (
@@ -49,29 +47,23 @@ func (s *service) LogAction(c *gin.Context, actionType, description string, targ
 		return
 	}
 
-	// 将 targetResource 转换为 JSONB，如果失败则记录错误但继续
+	log := &models.UserActionLog{
-	var targetResourceJSON datatypes.JSON
+		Time:          time.Now(),
-	if targetResource != nil {
+		UserID:        user.ID,
-		bytes, err := json.Marshal(targetResource)
+		Username:      user.Username, // 用户名快照
-		if err != nil {
+		SourceIP:      c.ClientIP(),
-			s.logger.Errorw("无法记录审计日志：序列化 targetResource 失败", "error", err)
+		ActionType:    actionType,
-		} else {
+		Description:   description,
-			targetResourceJSON = bytes
+		Status:        status,
-		}
+		HTTPPath:      c.Request.URL.Path,
+		HTTPMethod:    c.Request.Method,
+		ResultDetails: resultDetails,
 	}
 
-	log := &models.UserActionLog{
+	// 使用模型提供的方法来设置 TargetResource
-		Time:           time.Now(),
+	if err := log.SetTargetResource(targetResource); err != nil {
-		UserID:         user.ID,
+		s.logger.Errorw("无法记录审计日志：序列化 targetResource 失败", "error", err)
-		Username:       user.Username, // 用户名快照
+		// 即使序列化失败，我们可能仍然希望记录操作本身，所以不在此处 return
-		SourceIP:       c.ClientIP(),
-		ActionType:     actionType,
-		TargetResource: targetResourceJSON,
-		Description:    description,
-		Status:         status,
-		HTTPPath:       c.Request.URL.Path,
-		HTTPMethod:     c.Request.Method,
-		ResultDetails:  resultDetails,
 	}
 
 	// 异步写入数据库，不阻塞当前请求

internal/infra/models/execution.go

@@ -1,6 +1,8 @@
 package models
 
 import (
+	"encoding/json"
+	"errors"
 	"time"
 
 	"gorm.io/datatypes"
@@ -170,3 +172,26 @@ type UserActionLog struct {
 func (UserActionLog) TableName() string {
 	return "user_action_logs"
 }
+
+// ParseTargetResource 解析 JSON 属性到一个具体的结构体中。
+// 调用方需要传入一个指向目标结构体实例的指针。
+func (l *UserActionLog) ParseTargetResource(v interface{}) error {
+	if l.TargetResource == nil {
+		return errors.New("目标资源为空，无法解析")
+	}
+	return json.Unmarshal(l.TargetResource, v)
+}
+
+// SetTargetResource 将任意结构体序列化为 JSON 并设置到 TargetResource 字段
+func (l *UserActionLog) SetTargetResource(data interface{}) error {
+	if data == nil {
+		l.TargetResource = nil
+		return nil
+	}
+	bytes, err := json.Marshal(data)
+	if err != nil {
+		return err
+	}
+	l.TargetResource = bytes
+	return nil
+}