修改使用TriggerDataService模式

DMS.WPF/Services/TriggerDataService.cs

@@ -0,0 +1,119 @@
+using System.Windows.Threading;
+using AutoMapper;
+using DMS.Application.DTOs;
+using DMS.Application.Interfaces;
+using DMS.Core.Events;
+using DMS.WPF.Interfaces;
+using DMS.WPF.ViewModels.Items;
+using Opc.Ua;
+
+namespace DMS.WPF.Services;
+
+/// <summary>
+/// 触发器数据服务类，负责管理触发器相关的数据和操作。
+/// </summary>
+public class TriggerDataService : ITriggerDataService
+{
+    private readonly IMapper _mapper;
+    private readonly IAppDataCenterService _appDataCenterService;
+    private readonly IAppDataStorageService _appDataStorageService;
+    private readonly IDataStorageService _dataStorageService;
+    private readonly IEventService _eventService;
+    private readonly INotificationService _notificationService;
+    private readonly Dispatcher _uiDispatcher;
+
+    /// <summary>
+    /// TriggerDataService类的构造函数。
+    /// </summary>
+    /// <param name="mapper">AutoMapper 实例。</param>
+    /// <param name="appDataCenterService">数据服务中心实例。</param>
+    /// <param name="appDataStorageService">应用数据存储服务实例。</param>
+    /// <param name="dataStorageService">数据存储服务实例。</param>
+    /// <param name="eventService">事件服务实例。</param>
+    /// <param name="notificationService">通知服务实例。</param>
+    public TriggerDataService(IMapper mapper, IAppDataCenterService appDataCenterService,
+                              IAppDataStorageService appDataStorageService, IDataStorageService dataStorageService,
+                              IEventService eventService, INotificationService notificationService)
+    {
+        _mapper = mapper;
+        _appDataCenterService = appDataCenterService;
+        _appDataStorageService = appDataStorageService;
+        _dataStorageService = dataStorageService;
+        _eventService = eventService;
+        _notificationService = notificationService;
+        _uiDispatcher = Dispatcher.CurrentDispatcher;
+    }
+
+    /// <summary>
+    /// 加载所有触发器数据。
+    /// </summary>
+    public void LoadAllTriggers()
+    {
+        foreach (var triggerDto in _appDataStorageService.Triggers.Values)
+        {
+            _dataStorageService.Triggers.Add(triggerDto.Id, _mapper.Map<TriggerItemViewModel>(triggerDto));
+        }
+    }
+
+    /// <summary>
+    /// 添加触发器。
+    /// </summary>
+    public async Task<TriggerItemViewModel> AddTrigger(TriggerItemViewModel dto)
+    {
+        // 添加null检查
+        if (dto == null)
+            return null;
+
+        var addDto
+            = await _appDataCenterService.TriggerManagementService.CreateTriggerAsync(
+                _mapper.Map<TriggerDefinitionDto>(dto));
+
+        // 添加null检查
+        if (addDto == null)
+        {
+            return null;
+        }
+
+        // 给界面添加触发器
+        var addItem = _mapper.Map<TriggerItemViewModel>(addDto);
+        _dataStorageService.Triggers.Add(addDto.Id, addItem);
+
+        return addItem;
+    }
+
+    /// <summary>
+    /// 删除触发器。
+    /// </summary>
+    public async Task<bool> DeleteTrigger(TriggerItemViewModel trigger)
+    {
+        // 从数据库删除触发器数据
+        if (!await _appDataCenterService.TriggerManagementService.DeleteTriggerAsync(trigger.Id))
+        {
+            return false;
+        }
+
+        // 从界面删除触发器
+        _dataStorageService.Triggers.Remove(trigger.Id);
+
+        return true;
+    }
+
+    /// <summary>
+    /// 更新触发器。
+    /// </summary>
+    public async Task<bool> UpdateTrigger(TriggerItemViewModel trigger)
+    {
+        if (!_appDataStorageService.Triggers.TryGetValue(trigger.Id, out var triggerDto))
+        {
+            return false;
+        }
+
+        _mapper.Map(trigger, triggerDto);
+        if (await _appDataCenterService.TriggerManagementService.UpdateTriggerAsync(trigger.Id, triggerDto) != null)
+        {
+            return true;
+        }
+
+        return false;
+    }
+}