feat: gateway store.

controllers/gateway.go

@@ -74,6 +74,47 @@ func (gc *GatewayAdminController) List(c *gin.Context) {
 	writeSuccess(c, http.StatusOK, "查询成功", items)
 }
 
+// GetByMACForUser 按 MAC 查询网关信息
+// GET /api/v1/gateways/by-mac?mac=
+func (gc *GatewayAdminController) GetByMACForUser(c *gin.Context) {
+	macInput := strings.ToUpper(strings.TrimSpace(c.Query("mac")))
+	if macInput == "" {
+		writeError(c, http.StatusBadRequest, "mac参数不能为空")
+		return
+	}
+	// 规范化：去掉冒号和横线，兼容不同存储格式
+	macClean := strings.ReplaceAll(strings.ReplaceAll(macInput, ":", ""), "-", "")
+
+	query := gc.DB.Where("REPLACE(REPLACE(UPPER(mac), ':', ''), '-', '') = ?", macClean)
+
+	roleValue, _ := c.Get("role")
+	role, _ := roleValue.(models.UserRole)
+	if role != models.UserRoleSuperAdmin {
+		regionIDs, err := getUserRegionIDsFromContext(c)
+		if err != nil {
+			writeError(c, http.StatusForbidden, err.Error())
+			return
+		}
+		if len(regionIDs) == 0 {
+			writeError(c, http.StatusForbidden, "当前用户未配置可访问区域")
+			return
+		}
+		query = query.Where("region_id IN ?", regionIDs)
+	}
+
+	var item models.Gateway
+	if err := query.First(&item).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			writeError(c, http.StatusNotFound, "未找到该网关")
+			return
+		}
+		writeError(c, http.StatusInternalServerError, "查询网关失败")
+		return
+	}
+
+	writeSuccess(c, http.StatusOK, "查询成功", item)
+}
+
 // Create 创建新网关
 // POST /api/gateways
 func (gc *GatewayAdminController) Create(c *gin.Context) {
@@ -341,3 +382,22 @@ func respondGatewayLookupError(c *gin.Context, err error) {
 	}
 	writeError(c, http.StatusInternalServerError, "查询网关时出错")
 }
+
+func getUserRegionIDsFromContext(c *gin.Context) ([]uint32, error) {
+	regionValue, exists := c.Get("regionIDs")
+	if !exists {
+		return nil, errors.New("missing user regions")
+	}
+	regionIDs, ok := regionValue.([]uint32)
+	if !ok {
+		return nil, errors.New("invalid user regions")
+	}
+	filtered := make([]uint32, 0, len(regionIDs))
+	for _, regionID := range regionIDs {
+		if regionID == 0 {
+			continue
+		}
+		filtered = append(filtered, regionID)
+	}
+	return filtered, nil
+}