完成显示日志功能

DMS.WPF/ViewModels/Items/NlogItemViewModel.cs

@@ -1,50 +1,24 @@
-// 文件: DMS.WPF/ViewModels/Items/NlogItemViewModel.cs
-
 using CommunityToolkit.Mvvm.ComponentModel;
+using DMS.Core.Models;
 
 namespace DMS.WPF.ViewModels.Items;
 
-/// <summary>
-/// 代表日志列表中的单个日志项的ViewModel。
-/// 实现了INotifyPropertyChanged，其任何属性变化都会自动通知UI。
-/// </summary>
-public partial class NlogItemViewModel : ObservableObject
+public class NlogItemViewModel : ObservableObject
 {
-    public int Id { get; set; }
+    private Nlog _nlog;
 
-    [ObservableProperty]
-    private DateTime _logTime;
+    public NlogItemViewModel(Nlog nlog)
+    {
+        _nlog = nlog;
+    }
 
-    [ObservableProperty]
-    private string _level;
-
-    [ObservableProperty]
-    private int _threadId;
-
-    [ObservableProperty]
-    private string _threadName;
-
-    [ObservableProperty]
-    private string _callsite;
-
-    [ObservableProperty]
-    private int _callsiteLineNumber;
-
-    [ObservableProperty]
-    private string _message;
-
-    [ObservableProperty]
-    private string _logger;
-
-    [ObservableProperty]
-    private string _exception;
-
-    [ObservableProperty]
-    private string _callerFilePath;
-
-    [ObservableProperty]
-    private int _callerLineNumber;
-
-    [ObservableProperty]
-    private string _callerMember;
+    public int Id => _nlog.Id;
+    public string Level => _nlog.Level;
+    public string ThreadName => _nlog.ThreadName;
+    public string Callsite => _nlog.Callsite;
+    public string Message => _nlog.Message;
+    public string Logger => _nlog.Logger;
+    public string Exception => _nlog.Exception;
+    public string StackTrace => _nlog.Exception; // Using Exception as StackTrace since it's not in the Nlog model
+    public System.DateTime TimeStamp => _nlog.LogTime;
 }

DMS.WPF/ViewModels/LogHistoryViewModel.cs

@@ -0,0 +1,139 @@
+using AutoMapper;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using DMS.Application.DTOs;
+using DMS.Application.Interfaces;
+using DMS.Core.Models;
+using DMS.WPF.Interfaces;
+using DMS.WPF.ViewModels.Items;
+using ObservableCollections;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using DMS.WPF.ViewModels.Dialogs;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace DMS.WPF.ViewModels;
+
+partial class LogHistoryViewModel : ViewModelBase
+{
+    private readonly IMapper _mapper;
+    private readonly INlogAppService _nlogAppService;
+    private readonly IDialogService _dialogService;
+    private readonly INotificationService _notificationService;
+
+    [ObservableProperty]
+    private NlogItemViewModel _selectedLog;
+
+    [ObservableProperty]
+    private IList _selectedLogs = new ArrayList();
+
+    [ObservableProperty]
+    private string _searchText;
+
+    private readonly ObservableList<NlogItemViewModel> _logItemList;
+    private readonly ISynchronizedView<NlogItemViewModel, NlogItemViewModel> _synchronizedView;
+    public NotifyCollectionChangedSynchronizedViewList<NlogItemViewModel> LogItemListView { get; }
+
+    public LogHistoryViewModel(IMapper mapper, INlogAppService nlogAppService, IDialogService dialogService, INotificationService notificationService)
+    {
+        _mapper = mapper;
+        _nlogAppService = nlogAppService;
+        _dialogService = dialogService;
+        _notificationService = notificationService;
+
+        _logItemList = new ObservableList<NlogItemViewModel>();
+        _synchronizedView = _logItemList.CreateView(v => v);
+        LogItemListView = _synchronizedView.ToNotifyCollectionChanged();
+    }
+
+    private bool FilterLogs(NlogItemViewModel item)
+    {
+        var searchTextLower = SearchText.ToLower();
+        return item.Logger?.ToLower().Contains(searchTextLower) == true ||
+               item.Message?.ToLower().Contains(searchTextLower) == true ||
+               item.Exception?.ToLower().Contains(searchTextLower) == true ||
+               item.StackTrace?.ToLower().Contains(searchTextLower) == true;
+    }
+
+    partial void OnSearchTextChanged(string value)
+    {
+        if (string.IsNullOrWhiteSpace(SearchText))
+        {
+            _synchronizedView.ResetFilter();
+        }
+        else
+        {
+            _synchronizedView.AttachFilter(FilterLogs);
+        }
+    }
+
+    public override async void OnLoaded()
+    {
+        await LoadLogsAsync();
+    }
+
+    [RelayCommand]
+    private async Task RefreshLogsAsync()
+    {
+        await LoadLogsAsync();
+    }
+
+    [RelayCommand]
+    private async Task ClearLogsAsync()
+    {
+        var confirmDialogViewModel = new ConfirmDialogViewModel("确认", "确定要清空所有日志吗？", "确定");
+
+        var result = await _dialogService.ShowDialogAsync(confirmDialogViewModel);
+        if (result == true)
+        {
+            try
+            {
+                await _nlogAppService.ClearAllLogsAsync();
+                _logItemList.Clear();
+                _notificationService.ShowInfo("日志已清空");
+            }
+            catch (System.Exception ex)
+            {
+                _notificationService.ShowError($"清空日志时发生错误: {ex.Message}", ex);
+            }
+        }
+    }
+
+    private async Task LoadLogsAsync()
+    {
+        try
+        {
+            var logs = await _nlogAppService.GetAllLogsAsync();
+            var logItems = logs.Select(logDto => 
+            {
+                // Manually map NlogDto to Nlog
+                var nlog = new Nlog
+                {
+                    Id = logDto.Id,
+                    LogTime = logDto.LogTime,
+                    Level = logDto.Level,
+                    ThreadId = logDto.ThreadId,
+                    ThreadName = logDto.ThreadName,
+                    Callsite = logDto.Callsite,
+                    CallsiteLineNumber = logDto.CallsiteLineNumber,
+                    Message = logDto.Message,
+                    Logger = logDto.Logger,
+                    Exception = logDto.Exception,
+                    CallerFilePath = logDto.CallerFilePath,
+                    CallerLineNumber = logDto.CallerLineNumber,
+                    CallerMember = logDto.CallerMember
+                };
+                return new NlogItemViewModel(nlog);
+            }).ToList();
+            
+            _logItemList.Clear();
+            _logItemList.AddRange(logItems);
+        }
+        catch (System.Exception ex)
+        {
+            _notificationService.ShowError($"加载日志时发生错误: {ex.Message}", ex);
+        }
+    }
+}