实现了Mqtt服务器详情页的简单功能

2025-07-05 22:57:54 +08:00
parent 1f57a94c03
commit de21b0073c
12 changed files with 319 additions and 11 deletions
--- a/ViewModels/MainViewModel.cs
+++ b/ViewModels/MainViewModel.cs
@@ -175,6 +175,12 @@ public partial class MainViewModel : ViewModelBase
                    await AddVariableTable(menu);
                    return;
                    break;
+                // 导航到Mqtt服务器
+                case MenuType.MqttMenu:
+                    var mqttVM = App.Current.Services.GetRequiredService<MqttServerDetailViewModel>();
+                    mqttVM.CurrentMqtt=_dataServices.Mqtts.FirstOrDefault(d=>d.Id == menu.DataId);
+                    menu.ViewModel = mqttVM;
+                    break;
                
            }

--- a/ViewModels/MqttServerDetailViewModel.cs
+++ b/ViewModels/MqttServerDetailViewModel.cs
@@ -0,0 +1,152 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Microsoft.Extensions.Logging;
+using PMSWPF.Models;
+using PMSWPF.Services;
+using PMSWPF.Helper;
+using PMSWPF.Enums;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Collections.Generic;
+
+namespace PMSWPF.ViewModels
+{
+    /// <summary>
+    /// MQTT服务器详情视图模型。
+    /// 负责管理单个MQTT服务器的配置及其关联的变量数据。
+    /// </summary>
+    public partial class MqttServerDetailViewModel : ViewModelBase
+    {
+        private readonly ILogger<MqttServerDetailViewModel> _logger;
+        private readonly DataServices _dataServices;
+        private readonly IDialogService _dialogService;
+
+        /// <summary>
+        /// 当前正在编辑的MQTT服务器对象。
+        /// </summary>
+        [ObservableProperty]
+        private Mqtt _currentMqtt;
+
+        /// <summary>
+        /// 与当前MQTT服务器关联的变量数据集合。
+        /// </summary>
+        [ObservableProperty]
+        private ObservableCollection<VariableData> _associatedVariables;
+
+        /// <summary>
+        /// 构造函数。
+        /// </summary>
+        /// <param name="logger">日志服务。</param>
+        /// <param name="dataServices">数据服务。</param>
+        /// <param name="dialogService">对话框服务。</param>
+        public MqttServerDetailViewModel(ILogger<MqttServerDetailViewModel> logger, DataServices dataServices,
+                                         IDialogService dialogService)
+        {
+            _logger = logger;
+            _dataServices = dataServices;
+            _dialogService = dialogService;
+            AssociatedVariables = new ObservableCollection<VariableData>();
+        }
+
+        public override void OnLoaded()
+        {
+            if (CurrentMqtt.VariableDatas != null)
+            {
+                AssociatedVariables = new ObservableCollection<VariableData>(CurrentMqtt.VariableDatas);
+            }
+        }
+
+
+        /// <summary>
+        /// 保存MQTT服务器及其关联变量的更改。
+        /// </summary>
+        [RelayCommand]
+        private async Task SaveChanges()
+        {
+            if (CurrentMqtt == null) return;
+
+            // TODO: 实现保存逻辑。这可能涉及到更新Mqtt对象和更新VariableData对象。
+            // 由于Mqtt和VariableData之间的关联可能在数据库中通过中间表维护，
+            // 这里需要根据实际的数据库操作来调整。
+            // 例如，如果Mqtt对象本身包含关联的VariableData列表，则直接保存Mqtt对象即可。
+            // 如果是多对多关系，可能需要更新中间表。
+
+            // 示例：假设Mqtt对象需要更新
+            // await _dataServices.UpdateMqttAsync(CurrentMqtt); 
+
+            // 示例：假设变量数据也需要保存
+            // foreach (var variable in AssociatedVariables.Where(v => v.IsModified))
+            // {
+            //     await _dataServices.UpdateVariableDataAsync(variable);
+            // }
+
+            NotificationHelper.ShowMessage("MQTT服务器详情保存功能待实现。", NotificationType.Info);
+            _logger.LogInformation("Save changes for MQTT server detail initiated.");
+        }
+
+        /// <summary>
+        /// 从当前MQTT服务器中移除选定的变量。
+        /// </summary>
+        /// <param name="variablesToRemove">要移除的变量列表。</param>
+        [RelayCommand]
+        private async Task RemoveVariables(System.Collections.IList variablesToRemove)
+        {
+            if (CurrentMqtt == null || variablesToRemove == null || variablesToRemove.Count == 0)
+            {
+                NotificationHelper.ShowMessage("请选择要移除的变量。", NotificationType.Warning);
+                return;
+            }
+
+            var variablesList = variablesToRemove.Cast<VariableData>()
+                                                 .ToList();
+
+            var result = await _dialogService.ShowConfrimeDialog(
+                "确认移除", $"确定要从MQTT服务器 '{CurrentMqtt.Name}' 中移除选定的 {variablesList.Count} 个变量吗？");
+            if (result != true) return;
+
+            foreach (var variable in variablesList) // 使用ToList()避免在迭代时修改集合
+            {
+                // 移除变量与当前MQTT服务器的关联
+                variable.Mqtts?.Remove(CurrentMqtt);
+                // 标记变量为已修改，以便保存时更新数据库
+                variable.IsModified = true;
+                AssociatedVariables.Remove(variable);
+                _logger.LogInformation($"Removed variable {variable.Name} from MQTT server {CurrentMqtt.Name}.");
+            }
+
+            // TODO: 这里需要调用DataServices来更新数据库中VariableData的Mqtt关联
+            // 例如：await _dataServices.UpdateVariableDataAssociationsAsync(variablesToRemove);
+            NotificationHelper.ShowMessage("变量移除成功，请记得保存更改。", NotificationType.Success);
+        }
+
+        /// <summary>
+        /// 添加变量到当前MQTT服务器。
+        /// </summary>
+        [RelayCommand]
+        private async Task AddVariables()
+        {
+            if (CurrentMqtt == null) return;
+
+            // TODO: 实现选择变量的对话框，让用户选择要添加的变量
+            // 例如：var selectedVariables = await _dialogService.ShowVariableSelectionDialogAsync();
+            // 这里只是一个占位符，实际需要一个UI来选择变量
+            NotificationHelper.ShowMessage("添加变量功能待实现，需要一个变量选择对话框。", NotificationType.Info);
+            _logger.LogInformation("Add variables to MQTT server initiated.");
+
+            // 假设我们已经通过对话框获取到了一些要添加的变量
+            // List<VariableData> newVariables = ...; 
+            // foreach (var variable in newVariables)
+            // {
+            //     if (variable.Mqtts == null) variable.Mqtts = new List<Mqtt>();
+            //     if (!variable.Mqtts.Any(m => m.Id == CurrentMqtt.Id))
+            //     {
+            //         variable.Mqtts.Add(CurrentMqtt);
+            //         variable.IsModified = true; // 标记为已修改
+            //         AssociatedVariables.Add(variable);
+            //     }
+            // }
+            // NotificationHelper.ShowMessage("变量添加成功，请记得保存更改。", NotificationType.Success);
+        }
+    }
+}
--- a/ViewModels/MqttsViewModel.cs
+++ b/ViewModels/MqttsViewModel.cs
@@ -8,6 +8,7 @@ using PMSWPF.Enums;
 using PMSWPF.Helper;
 using PMSWPF.Models;
 using PMSWPF.Services;
+using PMSWPF.Views;

 namespace PMSWPF.ViewModels;

@@ -17,6 +18,7 @@ public partial class MqttsViewModel : ViewModelBase
    private readonly IDialogService _dialogService;
    private readonly MqttRepository _mqttRepository;
    private readonly ILogger<MqttsViewModel> _logger;
+    private readonly NavgatorServices _navgatorServices;

    [ObservableProperty]
    private ObservableCollection<Mqtt> _mqtts;
@@ -25,13 +27,14 @@ public partial class MqttsViewModel : ViewModelBase
    private Mqtt _selectedMqtt;

    public MqttsViewModel(
-        ILogger<MqttsViewModel> logger, IDialogService dialogService, DataServices dataServices
+        ILogger<MqttsViewModel> logger, IDialogService dialogService, DataServices dataServices, NavgatorServices navgatorServices
    )
    {
        _mqttRepository = new MqttRepository();
        _logger = logger;
        _dialogService = dialogService;
        _dataServices = dataServices;
+        _navgatorServices = navgatorServices;

        if (dataServices.Mqtts == null || dataServices.Mqtts.Count == 0)
        {
@@ -124,4 +127,18 @@ public partial class MqttsViewModel : ViewModelBase
            _logger.LogError($"编辑MQTT的过程中发生错误：{e}");
        }
    }
+
+    /// <summary>
+    /// 导航到MQTT服务器详情页面。
+    /// </summary>
+    [RelayCommand]
+    private void NavigateToMqttDetail()
+    {
+        // if (SelectedMqtt == null)
+        // {
+        //     NotificationHelper.ShowMessage("请选择一个MQTT服务器以查看详情。", NotificationType.Warning);
+        //     return;
+        // }
+        // _navgatorServices.NavigateTo<MqttServerDetailView>(SelectedMqtt);
+    }
 }
--- a/ViewModels/VariableTableViewModel.cs
+++ b/ViewModels/VariableTableViewModel.cs
@@ -309,7 +309,7 @@ partial class VariableTableViewModel : ViewModelBase
                if (!variable.Mqtts.Any(m => m.Id == selectedMqtt.Id))
                {
                    variable.Mqtts.Add(selectedMqtt);
-                    variable.IsModified = true; // 标记为已修改
+                    // variable.IsModified = true; // 标记为已修改
                }
            }