241 lines
8.4 KiB
C#
241 lines
8.4 KiB
C#
using System.Collections.ObjectModel;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using Microsoft.Extensions.Logging;
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using PMSWPF.Data.Repositories;
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using PMSWPF.Enums;
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using PMSWPF.Helper;
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using PMSWPF.Models;
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using PMSWPF.Services;
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namespace PMSWPF.ViewModels;
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public partial class DevicesViewModel : ViewModelBase
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{
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private readonly DeviceRepository _deviceRepository;
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private readonly ILogger<DevicesViewModel> _logger;
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private readonly IDialogService _dialogService;
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private readonly DataServices _dataServices;
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[ObservableProperty] private ObservableCollection<Device> _devices;
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[ObservableProperty] private Device _selectedDevice;
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private readonly MenuRepository _menuRepository;
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public DevicesViewModel(
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ILogger<DevicesViewModel> logger, IDialogService dialogService, DataServices dataServices
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)
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{
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_deviceRepository = new DeviceRepository();
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_menuRepository = new MenuRepository();
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_logger = logger;
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_dialogService = dialogService;
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_dataServices = dataServices;
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MessageHelper.SendLoadMessage(LoadTypes.Devices);
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_dataServices.OnDeviceListChanged += (devices) => { Devices = new ObservableCollection<Device>(devices); };
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}
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// /// <summary>
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// /// 添加设备
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// /// </summary>
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// [RelayCommand]
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// public async void AddDevice()
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// {
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// Device device = null;
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// try
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// {
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// device = await _dialogService.ShowAddDeviceDialog();
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// if (device != null)
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// {
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// device = await _deviceRepository.Add(device);
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// if (device != null)
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// {
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// var msg = $"添加设备成功：{device.Name}";
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// _logger.LogInformation(msg);
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//
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// bool addMenuRes = await _menuRepository.AddDeviceMenu(device);
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// if (addMenuRes)
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// {
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// // 通知更新菜单
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// MessageHelper.SendLoadMessage(LoadTypes.Menu);
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// MessageHelper.SendLoadMessage(LoadTypes.Devices);
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// NotificationHelper.ShowMessage(msg, NotificationType.Success);
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// }
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// else
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// {
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// var msgerr = $"给设备添加菜单失败：{device.Name}";
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// _logger.LogInformation(msgerr);
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// NotificationHelper.ShowMessage(msgerr, NotificationType.Error);
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// }
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// }
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// else
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// {
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// var msg = $"添加设备失败：{device.Name}";
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// _logger.LogInformation(msg);
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// NotificationHelper.ShowMessage(msg, NotificationType.Error);
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// }
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// }
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// }
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// catch (Exception e)
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// {
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// var msg = $"添加设备失败：{e.Message}";
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// _logger.LogError(msg);
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// NotificationHelper.ShowMessage(msg, NotificationType.Error);
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// }
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// }
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/// <summary>
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/// 辅助方法：处理成功通知和日志
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/// </summary>
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private void HandleOperationSuccess(string entityType, string operation, string entityName)
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{
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var message = $"{entityType}{operation}成功：{entityName}";
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_logger.LogInformation(message);
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NotificationHelper.ShowMessage(message, NotificationType.Success);
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}
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/// <summary>
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/// 辅助方法：处理失败通知和日志
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/// </summary>
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private void HandleOperationFailure(string entityType, string operation, string entityName, Exception ex = null)
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{
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var message = $"{entityType}{operation}失败：{entityName}";
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if (ex != null)
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{
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_logger.LogError(ex, message);
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}
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else
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{
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_logger.LogError(message);
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}
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NotificationHelper.ShowMessage(message, NotificationType.Error);
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}
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/// <summary>
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/// 添加设备
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/// </summary>
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[RelayCommand]
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public async void AddDevice()
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{
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try
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{
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// 1. 显示添加设备对话框
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var device = await _dialogService.ShowAddDeviceDialog();
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// 如果用户取消或对话框未返回设备，则直接返回
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if (device == null)
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{
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_logger.LogInformation("用户取消了添加设备操作。");
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return;
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}
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// 2. 将设备添加到数据库
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var addedDevice = await _deviceRepository.Add(device);
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// 如果数据库添加失败
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if (addedDevice == null)
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{
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HandleOperationFailure("设备", "添加", device.Name);
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return; // 提前返回
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}
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// 3. 设备成功添加到数据库，进行菜单添加
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// 这里立即发出成功的通知和日志
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HandleOperationSuccess("设备", "添加", addedDevice.Name);
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// 4. 为新设备添加菜单
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bool menuAddedSuccessfully = await _menuRepository.AddDeviceMenu(addedDevice);
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if (menuAddedSuccessfully)
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{
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// 菜单也添加成功，通知 UI 更新
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MessageHelper.SendLoadMessage(LoadTypes.Menu);
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MessageHelper.SendLoadMessage(LoadTypes.Devices);
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}
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else
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{
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// 菜单添加失败，通知用户并记录日志
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HandleOperationFailure("设备", "添加菜单", addedDevice.Name);
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// 考虑：如果菜单添加失败，是否需要回滚设备添加？
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// 例如：await _deviceRepository.Delete(addedDevice.Id);
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}
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}
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catch (Exception e)
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{
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// 捕获并记录所有未预期的异常
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_logger.LogError(e, "在添加设备过程中发生未预期错误。");
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NotificationHelper.ShowMessage($"添加设备失败：{e.Message}", NotificationType.Error);
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}
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}
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/// <summary>
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/// 编辑设备
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/// </summary>
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[RelayCommand]
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public async void EditDevice()
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{
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try
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{
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if (SelectedDevice == null)
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{
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NotificationHelper.ShowMessage("你没有选择任何设备，请选择设备后再点击编辑设备", NotificationType.Error);
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return;
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}
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var editDievce = await _dialogService.ShowEditDeviceDialog(SelectedDevice);
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if (editDievce != null)
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{
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// 更新菜单
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var res = await _deviceRepository.Edit(editDievce);
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var menu = DataServicesHelper.FindMenusForDevice(editDievce, _dataServices.MenuTrees);
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if (menu != null)
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await _menuRepository.Edit(menu);
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MessageHelper.SendLoadMessage(LoadTypes.Menu);
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MessageHelper.SendLoadMessage(LoadTypes.Devices);
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}
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}
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catch (Exception e)
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{
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NotificationHelper.ShowMessage($"编辑设备的过程中发生错误：{e.Message}", NotificationType.Error);
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_logger.LogError($"编辑设备的过程中发生错误：{e}");
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}
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}
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[RelayCommand]
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public async void DeleteDevice()
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{
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try
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{
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if (SelectedDevice == null)
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{
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NotificationHelper.ShowMessage("你没有选择任何设备，请选择设备后再点击删除设备", NotificationType.Error);
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return;
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}
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string msg = $"确认要删除设备名为:{SelectedDevice.Name}";
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var isDel = await _dialogService.ShowConfrimeDialog("删除设备", msg, "删除设备");
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if (isDel)
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{
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// 删除设备
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await _deviceRepository.DeleteById(SelectedDevice.Id);
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// 删除菜单
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var menu = DataServicesHelper.FindMenusForDevice(SelectedDevice, _dataServices.MenuTrees);
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if (menu != null)
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await _menuRepository.DeleteMenu(menu);
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MessageHelper.SendLoadMessage(LoadTypes.Menu);
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MessageHelper.SendLoadMessage(LoadTypes.Devices);
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NotificationHelper.ShowMessage($"删除设备成功,设备名：{SelectedDevice.Name}", NotificationType.Success);
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}
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}
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catch (Exception e)
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{
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NotificationHelper.ShowMessage($"删除设备的过程中发生错误：{e.Message}", NotificationType.Error);
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_logger.LogError($"删除设备的过程中发生错误：{e}");
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}
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}
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} |