566 lines
24 KiB
C#
566 lines
24 KiB
C#
using System.Collections.Concurrent;
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using System.Collections.ObjectModel;
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using AutoMapper;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Messaging;
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using DMS.Application.DTOs;
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using DMS.Application.Interfaces;
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using DMS.Core.Helper;
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using DMS.Core.Enums;
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using DMS.Core.Models;
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using DMS.Helper;
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using DMS.Message;
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using DMS.WPF.Helper;
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using DMS.WPF.ViewModels.Items;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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namespace DMS.WPF.Services;
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/// <summary>
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/// 数据服务类，负责从数据库加载和管理各种数据，并提供数据变更通知。
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/// 继承自ObservableRecipient，可以接收消息；实现IRecipient<LoadMessage>，处理加载消息。
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/// </summary>
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public partial class DataServices : ObservableRecipient, IRecipient<LoadMessage>
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{
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private readonly IMapper _mapper;
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private readonly IDeviceAppService _deviceAppService;
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private readonly IVariableTableAppService _variableTableAppService;
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private readonly IVariableAppService _variableAppService;
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// 设备列表，使用ObservableProperty特性，当值改变时会自动触发属性变更通知。
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[ObservableProperty]
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private ObservableCollection<DeviceItemViewModel> _devices;
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// 变量表列表。
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[ObservableProperty]
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private ObservableCollection<VariableTableItemViewModel> _variableTables;
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// 变量数据列表。
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[ObservableProperty]
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private ObservableCollection<VariableItemViewModel> _variables;
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// 菜单树列表。
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[ObservableProperty]
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private ObservableCollection<MenuBeanItemViewModel> _menus;
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// 菜单树列表。
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[ObservableProperty]
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private ObservableCollection<MenuBeanItemViewModel> _menuTrees;
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// MQTT配置列表。
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// [ObservableProperty]
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// private List<Mqtt> _mqtts;
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public ConcurrentDictionary<int, Variable> AllVariables;
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private readonly IMenuService _menuService;
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private readonly INavigationService _navigationService;
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// 设备列表变更事件，当设备列表数据更新时触发。
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public event Action<List<Device>> OnDeviceListChanged;
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// 菜单树列表变更事件，当菜单树数据更新时触发。
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public event Action<List<MenuBean>> OnMenuTreeListChanged;
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// MQTT列表变更事件，当MQTT配置数据更新时触发。
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// public event Action<List<Mqtt>> OnMqttListChanged;
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// 设备IsActive状态变更事件，当单个设备的IsActive状态改变时触发。
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public event Action<Device, bool> OnDeviceIsActiveChanged;
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/// <summary>
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/// DataServices类的构造函数。
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/// 注入ILogger<DataServices>，并初始化各个数据仓库。
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/// </summary>
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/// <param name="mapper">AutoMapper 实例。</param>
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/// <param name="varDataRepository"></param>
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public DataServices(IMapper mapper, IDeviceAppService deviceAppService,
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IVariableTableAppService variableTableAppService, IVariableAppService variableAppService,
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IMenuService menuService, INavigationService navigationService)
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{
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_mapper = mapper;
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_deviceAppService = deviceAppService;
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_variableTableAppService = variableTableAppService;
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_variableAppService = variableAppService;
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_menuService = menuService;
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_navigationService = navigationService;
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IsActive = true; // 激活消息接收器
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Devices = new ObservableCollection<DeviceItemViewModel>();
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VariableTables = new ObservableCollection<VariableTableItemViewModel>();
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Variables = new ObservableCollection<VariableItemViewModel>();
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Menus = new ObservableCollection<MenuBeanItemViewModel>();
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MenuTrees = new ObservableCollection<MenuBeanItemViewModel>();
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// AllVariables = new ConcurrentDictionary<int, Variable>();
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}
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/// <summary>
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/// 异步加载设备数据，并以高效的方式更新UI集合。
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/// 此方法会比较新旧数据，只对有变化的设备进行更新、添加或删除，避免不必要的UI刷新。
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/// </summary>
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public async Task LoadDevices()
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{
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var deviceDtos = await _deviceAppService.GetAllDevicesAsync();
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var deviceDtoIds = new HashSet<int>(deviceDtos.Select(d => d.Id));
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// 1. 更新现有项 & 查找需要删除的项
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var itemsToRemove = new List<DeviceItemViewModel>();
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foreach (var existingItem in Devices)
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{
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if (deviceDtoIds.Contains(existingItem.Id))
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{
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// 设备仍然存在，检查是否有更新
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var dto = deviceDtos.First(d => d.Id == existingItem.Id);
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// 逐一比较属性，只有在发生变化时才更新
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if (existingItem.Name != dto.Name) existingItem.Name = dto.Name;
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if (existingItem.Protocol != dto.Protocol) existingItem.Protocol = dto.Protocol;
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if (existingItem.IpAddress != dto.IpAddress) existingItem.IpAddress = dto.IpAddress;
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if (existingItem.Port != dto.Port) existingItem.Port = dto.Port;
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if (existingItem.Rack != dto.Rack) existingItem.Rack = dto.Rack;
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if (existingItem.Slot != dto.Slot) existingItem.Slot = dto.Slot;
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if (existingItem.OpcUaServerUrl != dto.OpcUaServerUrl) existingItem.OpcUaServerUrl = dto.OpcUaServerUrl;
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if (existingItem.IsActive != dto.IsActive) existingItem.IsActive = dto.IsActive;
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if (existingItem.Status != dto.Status) existingItem.Status = dto.Status;
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}
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else
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{
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// 设备在新列表中不存在，标记为待删除
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itemsToRemove.Add(existingItem);
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}
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}
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// 2. 从UI集合中删除不再存在的项
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foreach (var item in itemsToRemove)
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{
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Devices.Remove(item);
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}
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// 3. 添加新项
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var existingIds = new HashSet<int>(Devices.Select(d => d.Id));
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foreach (var dto in deviceDtos)
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{
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if (!existingIds.Contains(dto.Id))
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{
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// 这是一个新设备，添加到集合中
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var newItem = _mapper.Map<DeviceItemViewModel>(dto);
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Devices.Add(newItem);
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}
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}
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}
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/// <summary>
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/// 异步加载菜单数据，并以高效的方式更新UI集合。
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/// 此方法会比较新旧数据，只对有变化的菜单项进行更新、添加或删除，避免不必要的UI刷新。
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/// </summary>
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public async Task LoadMenus()
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{
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var newMenus = await _menuService.GetAllMenusAsync(); // 获取最新的菜单树 (MenuItemViewModel 列表)
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var newMenuIds = new HashSet<int>(newMenus.Select(m => m.Id));
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// 1. 更新现有项 & 查找需要删除的项
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var itemsToRemove = new List<MenuBeanItemViewModel>();
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foreach (var existingItem in Menus)
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{
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if (newMenuIds.Contains(existingItem.Id))
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{
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// 菜单项仍然存在，检查是否有更新
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var newDto = newMenus.First(m => m.Id == existingItem.Id);
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// 逐一比较属性，只有在发生变化时才更新
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// 注意：MenuItemViewModel 的属性是 ObservableProperty，直接赋值会触发通知
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if (existingItem.Header != newDto.Header) existingItem.Header = newDto.Header;
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if (existingItem.Icon != newDto.Icon) existingItem.Icon = newDto.Icon;
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// 对于 TargetViewKey 和 NavigationParameter，它们在 MenuItemViewModel 中是私有字段，
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// 并且在构造时通过 INavigationService 绑定到 NavigateCommand。
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// 如果这些需要动态更新，MenuItemViewModel 内部需要提供公共属性或方法来处理。
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// 目前，我们假设如果这些变化，IMenuService 会返回一个新的 MenuItemViewModel 实例。
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// 如果需要更细粒度的更新，需要修改 MenuItemViewModel 的设计。
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// 这里我们只更新直接暴露的 ObservableProperty。
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}
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else
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{
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// 菜单项在新列表中不存在，标记为待删除
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itemsToRemove.Add(existingItem);
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}
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}
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// 2. 从UI集合中删除不再存在的项
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foreach (var item in itemsToRemove)
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{
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Menus.Remove(item);
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}
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// 3. 添加新项
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var existingIds = new HashSet<int>(Menus.Select(m => m.Id));
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foreach (var newDto in newMenus)
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{
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if (!existingIds.Contains(newDto.Id))
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{
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// 这是一个新菜单项，添加到集合中
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// 注意：这里直接添加 IMenuService 返回的 MenuItemViewModel 实例
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Menus.Add(new MenuBeanItemViewModel(newDto, _navigationService));
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}
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}
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BuildMenuTree();
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}
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/// <summary>
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/// 根据扁平菜单列表构建树形结构。
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/// </summary>
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/// <param name="flatMenus">扁平菜单列表。</param>
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/// <returns>树形结构的根菜单列表。</returns>
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private void BuildMenuTree()
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{
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// 1. 创建一个查找表，以便通过ID快速访问菜单项
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var menuLookup = Menus.ToDictionary(m => m.Id);
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// 存储根菜单项的列表
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// var rootMenus = new List<MenuBeanDto>();
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// 2. 遍历所有菜单项，构建树形结构
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foreach (var menu in Menus)
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{
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// 检查是否有父ID，并且父ID不为0（通常0或null表示根节点）
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if (menu.ParentId.HasValue && menu.ParentId.Value != 0)
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{
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// 尝试从查找表中找到父菜单
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if (menuLookup.TryGetValue(menu.ParentId.Value, out var parentMenu))
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{
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// 将当前菜单添加到父菜单的Children列表中
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parentMenu.Children.Add(menu);
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}
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// else: 如果找不到父菜单，这可能是一个数据完整性问题，可以根据需要处理
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}
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else
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{
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// 如果没有父ID，则这是一个根菜单
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MenuTrees.Add(menu);
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}
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}
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}
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public void Receive(LoadMessage message)
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{
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}
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/// <summary>
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/// 异步加载变量数据，并以高效的方式更新UI集合。
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/// 此方法会比较新旧数据，只对有变化的变量进行更新、添加或删除，避免不必要的UI刷新。
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/// </summary>
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public async Task LoadVariables()
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{
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var variableDtos = await _variableAppService.GetAllVariablesAsync(); // 假设有此方法
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var variableDtoIds = new HashSet<int>(variableDtos.Select(v => v.Id));
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// 1. 更新现有项 & 查找需要删除的项
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var itemsToRemove = new List<VariableItemViewModel>();
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foreach (var existingItem in Variables)
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{
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if (variableDtoIds.Contains(existingItem.Id))
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{
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// 变量仍然存在，检查是否有更新
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var dto = variableDtos.First(v => v.Id == existingItem.Id);
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// 逐一比较属性，只有在发生变化时才更新
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if (existingItem.Name != dto.Name) existingItem.Name = dto.Name;
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if (existingItem.S7Address != dto.S7Address) existingItem.S7Address = dto.S7Address;
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if (existingItem.DataValue != dto.DataValue) existingItem.DataValue = dto.DataValue;
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if (existingItem.DisplayValue != dto.DisplayValue) existingItem.DisplayValue = dto.DisplayValue;
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// 注意：VariableTable 和 MqttAliases 是复杂对象，需要更深层次的比较或重新映射
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// 为了简化，这里只比较基本类型属性
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if (existingItem.SignalType != dto.SignalType) existingItem.SignalType = dto.SignalType;
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if (existingItem.PollLevel != dto.PollLevel) existingItem.PollLevel = dto.PollLevel;
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if (existingItem.IsActive != dto.IsActive) existingItem.IsActive = dto.IsActive;
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if (existingItem.VariableTableId != dto.VariableTableId)
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existingItem.VariableTableId = dto.VariableTableId;
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if (existingItem.OpcUaNodeId != dto.OpcUaNodeId) existingItem.OpcUaNodeId = dto.OpcUaNodeId;
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if (existingItem.IsHistoryEnabled != dto.IsHistoryEnabled)
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existingItem.IsHistoryEnabled = dto.IsHistoryEnabled;
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if (existingItem.HistoryDeadband != dto.HistoryDeadband)
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existingItem.HistoryDeadband = dto.HistoryDeadband;
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if (existingItem.IsAlarmEnabled != dto.IsAlarmEnabled) existingItem.IsAlarmEnabled = dto.IsAlarmEnabled;
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if (existingItem.AlarmMinValue != dto.AlarmMinValue) existingItem.AlarmMinValue = dto.AlarmMinValue;
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if (existingItem.AlarmMaxValue != dto.AlarmMaxValue) existingItem.AlarmMaxValue = dto.AlarmMaxValue;
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if (existingItem.AlarmDeadband != dto.AlarmDeadband) existingItem.AlarmDeadband = dto.AlarmDeadband;
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if (existingItem.Protocol != dto.Protocol) existingItem.Protocol = dto.Protocol;
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if (existingItem.CSharpDataType != dto.CSharpDataType) existingItem.CSharpDataType = dto.CSharpDataType;
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if (existingItem.ConversionFormula != dto.ConversionFormula)
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existingItem.ConversionFormula = dto.ConversionFormula;
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if (existingItem.CreatedAt != dto.CreatedAt) existingItem.CreatedAt = dto.CreatedAt;
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if (existingItem.UpdatedAt != dto.UpdatedAt) existingItem.UpdatedAt = dto.UpdatedAt;
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if (existingItem.UpdatedBy != dto.UpdatedBy) existingItem.UpdatedBy = dto.UpdatedBy;
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if (existingItem.IsModified != dto.IsModified) existingItem.IsModified = dto.IsModified;
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if (existingItem.Description != dto.Description) existingItem.Description = dto.Description;
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}
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else
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{
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// 变量在新列表中不存在，标记为待删除
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itemsToRemove.Add(existingItem);
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}
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}
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// 2. 从UI集合中删除不再存在的项
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foreach (var item in itemsToRemove)
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{
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Variables.Remove(item);
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}
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// 3. 添加新项
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var existingIds = new HashSet<int>(Variables.Select(v => v.Id));
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foreach (var dto in variableDtos)
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{
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if (!existingIds.Contains(dto.Id))
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{
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// 这是一个新变量，添加到集合中
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var newItem = _mapper.Map<VariableItemViewModel>(dto);
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Variables.Add(newItem);
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}
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}
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}
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/// <summary>
|
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/// 异步加载变量表数据，并以高效的方式更新UI集合。
|
||
/// 此方法会比较新旧数据，只对有变化的变量表进行更新、添加或删除，避免不必要的UI刷新。
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/// </summary>
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public async Task LoadVariableTables()
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{
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var variableTableDtos = await _variableTableAppService.GetAllVariableTablesAsync(); // 假设有此方法
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var variableTableDtoIds = new HashSet<int>(variableTableDtos.Select(vt => vt.Id));
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// 1. 更新现有项 & 查找需要删除的项
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var itemsToRemove = new List<VariableTableItemViewModel>();
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foreach (var existingItem in VariableTables)
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{
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if (variableTableDtoIds.Contains(existingItem.Id))
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{
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// 变量表仍然存在，检查是否有更新
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var dto = variableTableDtos.First(vt => vt.Id == existingItem.Id);
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// 逐一比较属性，只有在发生变化时才更新
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if (existingItem.Name != dto.Name) existingItem.Name = dto.Name;
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if (existingItem.Description != dto.Description) existingItem.Description = dto.Description;
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if (existingItem.IsActive != dto.IsActive) existingItem.IsActive = dto.IsActive;
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if (existingItem.DeviceId != dto.DeviceId) existingItem.DeviceId = dto.DeviceId;
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if (existingItem.Protocol != dto.Protocol) existingItem.Protocol = dto.Protocol;
|
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}
|
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else
|
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{
|
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// 变量表在新列表中不存在，标记为待删除
|
||
itemsToRemove.Add(existingItem);
|
||
}
|
||
}
|
||
|
||
// 2. 从UI集合中删除不再存在的项
|
||
foreach (var item in itemsToRemove)
|
||
{
|
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VariableTables.Remove(item);
|
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}
|
||
|
||
// 3. 添加新项
|
||
var existingIds = new HashSet<int>(VariableTables.Select(vt => vt.Id));
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||
foreach (var dto in variableTableDtos)
|
||
{
|
||
if (!existingIds.Contains(dto.Id))
|
||
{
|
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// 这是一个新变量表，添加到集合中
|
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var newItem = _mapper.Map<VariableTableItemViewModel>(dto);
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VariableTables.Add(newItem);
|
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}
|
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}
|
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}
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/// <summary>
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||
/// 将变量表关联到对应的设备上。
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||
/// </summary>
|
||
public void AssociateVariableTablesToDevices()
|
||
{
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// 1. 创建一个字典，按 DeviceId 分组所有变量表，以便高效查找
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var variableTablesGroupedByDevice = _variableTables
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.GroupBy(vt => vt.DeviceId)
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.ToDictionary(g => g.Key, g => g.ToList());
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||
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||
foreach (var device in _devices)
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{
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// 获取当前设备应该关联的所有变量表
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||
List<VariableTableItemViewModel> associatedVariableTables = new List<VariableTableItemViewModel>();
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if (variableTablesGroupedByDevice.TryGetValue(device.Id, out var foundTables))
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||
{
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associatedVariableTables = foundTables;
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}
|
||
|
||
// 创建一个HashSet，用于快速查找当前设备应有的变量表ID
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||
var shouldHaveVariableTableIds = new HashSet<int>(associatedVariableTables.Select(vt => vt.Id));
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||
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// 2. 移除不再关联的变量表
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||
// 从后往前遍历，避免在循环中修改集合导致索引问题
|
||
for (int i = device.VariableTables.Count - 1; i >= 0; i--)
|
||
{
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||
var existingVariableTable = device.VariableTables[i];
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||
if (!shouldHaveVariableTableIds.Contains(existingVariableTable.Id))
|
||
{
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||
device.VariableTables.RemoveAt(i);
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}
|
||
}
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||
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||
// 3. 添加新关联的变量表
|
||
var currentlyHasVariableTableIds = new HashSet<int>(device.VariableTables.Select(vt => vt.Id));
|
||
foreach (var newVariableTable in associatedVariableTables)
|
||
{
|
||
if (!currentlyHasVariableTableIds.Contains(newVariableTable.Id))
|
||
{
|
||
device.VariableTables.Add(newVariableTable);
|
||
}
|
||
// 如果已经存在，则不需要额外操作，因为 LoadVariableTables 已经更新了 _variableTables 中的实例
|
||
}
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 将变量关联到对应的变量表上。
|
||
/// </summary>
|
||
public void AssociateVariablesToVariableTables()
|
||
{
|
||
// 1. 创建一个字典，按 VariableTableId 分组所有变量，以便高效查找
|
||
var variablesGroupedByVariableTable = _variables
|
||
.GroupBy(v => v.VariableTableId)
|
||
.ToDictionary(g => g.Key, g => g.ToList());
|
||
|
||
foreach (var variableTable in _variableTables)
|
||
{
|
||
// 获取当前变量表应该关联的所有变量
|
||
List<VariableItemViewModel> associatedVariables = new List<VariableItemViewModel>();
|
||
if (variablesGroupedByVariableTable.TryGetValue(variableTable.Id, out var foundVariables))
|
||
{
|
||
associatedVariables = foundVariables;
|
||
}
|
||
|
||
// 创建一个HashSet，用于快速查找当前变量表应有的变量ID
|
||
var shouldHaveVariableIds = new HashSet<int>(associatedVariables.Select(v => v.Id));
|
||
|
||
// 2. 移除不再关联的变量
|
||
// 从后往前遍历，避免在循环中修改集合导致索引问题
|
||
for (int i = variableTable.Variables.Count - 1; i >= 0; i--)
|
||
{
|
||
var existingVariable = variableTable.Variables[i];
|
||
if (!shouldHaveVariableIds.Contains(existingVariable.Id))
|
||
{
|
||
variableTable.Variables.RemoveAt(i);
|
||
}
|
||
}
|
||
|
||
// 3. 添加新关联的变量
|
||
var currentlyHasVariableIds = new HashSet<int>(variableTable.Variables.Select(v => v.Id));
|
||
foreach (var newVariable in associatedVariables)
|
||
{
|
||
if (!currentlyHasVariableIds.Contains(newVariable.Id))
|
||
{
|
||
variableTable.Variables.Add(newVariable);
|
||
}
|
||
// 如果已经存在，则不需要额外操作，因为 LoadVariables 已经更新了 _variables 中的实例
|
||
}
|
||
}
|
||
}
|
||
|
||
public void AddMenuItem(MenuBeanItemViewModel menuBeanItemViewModel)
|
||
{
|
||
if (menuBeanItemViewModel == null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
var deviceMenu = Menus.FirstOrDefault(m => m.Id == menuBeanItemViewModel.ParentId);
|
||
if (deviceMenu != null)
|
||
{
|
||
deviceMenu.Children.Add(menuBeanItemViewModel);
|
||
Menus.Add(menuBeanItemViewModel);
|
||
}
|
||
}
|
||
|
||
public void AddVariableTable(VariableTableItemViewModel variableTableItemViewModel)
|
||
{
|
||
if (variableTableItemViewModel == null)
|
||
return;
|
||
|
||
VariableTables.Add(variableTableItemViewModel);
|
||
var device = Devices.FirstOrDefault(d => d.Id == variableTableItemViewModel.DeviceId);
|
||
if (device != null)
|
||
{
|
||
device.VariableTables.Add(variableTableItemViewModel);
|
||
}
|
||
}
|
||
|
||
public void DeleteMenuItem(MenuBeanItemViewModel menuBeanItemViewModel)
|
||
{
|
||
if (menuBeanItemViewModel == null)
|
||
{
|
||
return;
|
||
}
|
||
|
||
// 从扁平菜单列表中移除
|
||
Menus.Remove(menuBeanItemViewModel);
|
||
|
||
// 从树形结构中移除
|
||
if (menuBeanItemViewModel.ParentId.HasValue && menuBeanItemViewModel.ParentId.Value != 0)
|
||
{
|
||
// 如果有父菜单，从父菜单的Children中移除
|
||
var parentMenu = Menus.FirstOrDefault(m => m.Id == menuBeanItemViewModel.ParentId.Value);
|
||
parentMenu?.Children.Remove(menuBeanItemViewModel);
|
||
}
|
||
else
|
||
{
|
||
// 如果是根菜单，从MenuTrees中移除
|
||
MenuTrees.Remove(menuBeanItemViewModel);
|
||
}
|
||
}
|
||
|
||
public async Task DeleteDeviceById(int selectedDeviceId)
|
||
{
|
||
var device = Devices.FirstOrDefault(d => d.Id == selectedDeviceId);
|
||
if (device != null)
|
||
{
|
||
// 1. 删除与设备关联的所有变量表及其变量
|
||
var variableTablesToDelete = VariableTables.Where(vt => vt.DeviceId == device.Id).ToList();
|
||
foreach (var vt in variableTablesToDelete)
|
||
{
|
||
// 删除与当前变量表关联的所有变量
|
||
var variablesToDelete = Variables.Where(v => v.VariableTableId == vt.Id).ToList();
|
||
foreach (var variable in variablesToDelete)
|
||
{
|
||
Variables.Remove(variable);
|
||
}
|
||
|
||
// 删除变量表
|
||
VariableTables.Remove(vt);
|
||
|
||
// 删除与变量表关联的菜单项
|
||
var variableTableMenu = Menus.FirstOrDefault(m => m.TargetViewKey == "VariableTableView" && m.Header == vt.Name);
|
||
if (variableTableMenu != null)
|
||
{
|
||
DeleteMenuItem(variableTableMenu);
|
||
}
|
||
}
|
||
|
||
// 2. 删除设备
|
||
Devices.Remove(device);
|
||
|
||
// 3. 删除与设备关联的菜单项
|
||
var deviceMenu = Menus.FirstOrDefault(m => m.TargetViewKey == "DevicesView" && m.Header == device.Name);
|
||
if (deviceMenu != null)
|
||
{
|
||
DeleteMenuItem(deviceMenu);
|
||
}
|
||
|
||
// 4. 重新构建菜单树以反映变更
|
||
// BuildMenuTree();
|
||
}
|
||
}
|
||
} |