1. 增加新类型中继设备

2. 优化代码

internal/storage/repository/device.go

@@ -3,6 +3,8 @@
 package repository
 
 import (
+	"strconv"
+
 	"git.huangwc.com/pig/pig-farm-controller/internal/model"
 	"gorm.io/gorm"
 )
@@ -15,6 +17,9 @@ type DeviceRepo interface {
 	// FindByID 根据ID查找设备
 	FindByID(id uint) (*model.Device, error)
 
+	// FindByIDString 根据ID字符串查找设备
+	FindByIDString(id string) (*model.Device, error)
+
 	// FindByParentID 根据上级设备ID查找设备
 	FindByParentID(parentID uint) ([]*model.Device, error)
 
@@ -83,6 +88,21 @@ func (r *deviceRepo) FindByID(id uint) (*model.Device, error) {
 	return &device, nil
 }
 
+// FindByIDString 根据ID字符串查找设备
+func (r *deviceRepo) FindByIDString(id string) (*model.Device, error) {
+	deviceID, err := strconv.ParseUint(id, 10, 64)
+	if err != nil {
+		return nil, err
+	}
+
+	var device model.Device
+	result := r.db.First(&device, deviceID)
+	if result.Error != nil {
+		return nil, result.Error
+	}
+	return &device, nil
+}
+
 // FindByParentID 根据上级设备ID查找设备
 func (r *deviceRepo) FindByParentID(parentID uint) ([]*model.Device, error) {
 	var devices []*model.Device