整体调整了功能
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255
FATrace.WPLApp/ViewModels/FileImportLogViewModel.cs
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255
FATrace.WPLApp/ViewModels/FileImportLogViewModel.cs
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using FATrace.Model;
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using FATrace.WPLApp.Core;
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using FATrace.WPLApp.Services;
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using FreeSql;
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using Prism.Commands;
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using System;
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using System.Collections.ObjectModel;
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using System.Threading.Tasks;
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using System.Windows;
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namespace FATrace.WPLApp.ViewModels
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{
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/// <summary>
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/// 文件导入日志 查询 VM（展示 FileImportLog）
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/// </summary>
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public class FileImportLogViewModel : NavigationViewModel
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{
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private readonly IFreeSql _fsql;
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private readonly ILogService _log;
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public FileImportLogViewModel(IFreeSql fsql, ILogService log)
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{
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_fsql = fsql;
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_log = log;
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Items = new ObservableCollection<FileImportLog>();
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SearchCommand = new DelegateCommand(async () => await SearchAsync(), () => !IsBusy)
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.ObservesProperty(() => IsBusy);
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ClearCommand = new DelegateCommand(ClearFilters, () => !IsBusy)
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.ObservesProperty(() => IsBusy);
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FirstPageCommand = new DelegateCommand(async () => { if (PageIndex == 1) return; PageIndex = 1; await SearchAsync(); }, () => !IsBusy && PageIndex > 1)
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.ObservesProperty(() => IsBusy)
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.ObservesProperty(() => PageIndex);
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PrevPageCommand = new DelegateCommand(async () => { if (PageIndex <= 1) return; PageIndex -= 1; await SearchAsync(); }, () => !IsBusy && PageIndex > 1)
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.ObservesProperty(() => IsBusy)
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.ObservesProperty(() => PageIndex);
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NextPageCommand = new DelegateCommand(async () => { if (PageIndex >= TotalPages) return; PageIndex += 1; await SearchAsync(); }, () => !IsBusy && PageIndex < TotalPages)
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.ObservesProperty(() => IsBusy)
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.ObservesProperty(() => PageIndex)
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.ObservesProperty(() => TotalPages);
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LastPageCommand = new DelegateCommand(async () => { if (TotalPages <= 0 || PageIndex == TotalPages) return; PageIndex = TotalPages; await SearchAsync(); }, () => !IsBusy && PageIndex < TotalPages)
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.ObservesProperty(() => IsBusy)
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.ObservesProperty(() => PageIndex)
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.ObservesProperty(() => TotalPages);
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}
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#region 查询条件
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private string? _fileName;
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/// <summary>
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/// 文件名（模糊匹配）
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/// </summary>
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public string? FileName
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{
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get => _fileName;
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set { _fileName = value; RaisePropertyChanged(); }
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}
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private string? _status;
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/// <summary>
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/// 状态（模糊匹配，例如 Success/Failed）
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/// </summary>
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public string? Status
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{
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get => _status;
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set { _status = value; RaisePropertyChanged(); }
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}
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private string? _keyword;
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/// <summary>
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/// 关键字（匹配 SourcePath/ArchivePath/Message/SheetRowStats）
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/// </summary>
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public string? Keyword
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{
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get => _keyword;
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set { _keyword = value; RaisePropertyChanged(); }
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}
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private DateTime? _startDate;
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/// <summary>
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/// 导入开始日期起（基于 StartTime）
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/// </summary>
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public DateTime? StartDate
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{
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get => _startDate;
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set { _startDate = value; RaisePropertyChanged(); }
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}
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private DateTime? _endDate;
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/// <summary>
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/// 导入开始日期止（基于 StartTime，包含当天）
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/// </summary>
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public DateTime? EndDate
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{
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get => _endDate;
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set { _endDate = value; RaisePropertyChanged(); }
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}
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#endregion
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#region 列表与分页
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public ObservableCollection<FileImportLog> Items { get; }
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private bool _isBusy;
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public bool IsBusy
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{
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get => _isBusy;
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set { _isBusy = value; RaisePropertyChanged(); }
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}
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private int _totalCount;
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public int TotalCount
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{
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get => _totalCount;
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set { _totalCount = value; RaisePropertyChanged(); }
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}
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private int _pageIndex = 1;
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public int PageIndex
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{
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get => _pageIndex;
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set { _pageIndex = value < 1 ? 1 : value; RaisePropertyChanged(); }
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}
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private int _pageSize = 20;
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public int PageSize
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{
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get => _pageSize;
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set
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{
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var v = value <= 0 ? 20 : value;
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if (_pageSize != v)
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{
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_pageSize = v;
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RaisePropertyChanged();
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PageIndex = 1;
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if (!IsBusy) _ = SearchAsync();
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}
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}
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}
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private int _totalPages;
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public int TotalPages
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{
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get => _totalPages;
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set { _totalPages = value; RaisePropertyChanged(); }
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}
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#endregion
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#region 命令
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public DelegateCommand SearchCommand { get; }
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public DelegateCommand ClearCommand { get; }
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public DelegateCommand FirstPageCommand { get; }
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public DelegateCommand PrevPageCommand { get; }
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public DelegateCommand NextPageCommand { get; }
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public DelegateCommand LastPageCommand { get; }
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#endregion
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private void ClearFilters()
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{
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FileName = string.Empty;
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Status = string.Empty;
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Keyword = string.Empty;
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StartDate = null;
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EndDate = null;
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}
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private async Task SearchAsync()
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{
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if (IsBusy) return;
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try
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{
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IsBusy = true;
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_log.Info("FileImportLog 查询开始");
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var data = await Task.Run(() =>
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{
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var q = _fsql.Select<FileImportLog>();
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if (!string.IsNullOrWhiteSpace(FileName))
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q = q.Where(a => a.FileName != null && a.FileName.Contains(FileName));
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if (!string.IsNullOrWhiteSpace(Status))
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q = q.Where(a => a.Status != null && a.Status.Contains(Status));
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if (!string.IsNullOrWhiteSpace(Keyword))
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{
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var kw = Keyword;
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q = q.Where(a =>
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(a.SourcePath != null && a.SourcePath.Contains(kw))
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|| (a.ArchivePath != null && a.ArchivePath.Contains(kw))
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|| (a.Message != null && a.Message.Contains(kw))
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|| (a.SheetRowStats != null && a.SheetRowStats.Contains(kw))
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);
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}
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DateTime? start = StartDate;
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DateTime? end = EndDate;
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if (start.HasValue)
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{
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var s = start.Value.Date;
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q = q.Where(a => a.StartTime >= s);
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}
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if (end.HasValue)
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{
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var e = end.Value.Date.AddDays(1).AddTicks(-1);
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q = q.Where(a => a.StartTime <= e);
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}
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q = q.OrderByDescending(a => a.Id);
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var page = PageIndex < 1 ? 1 : PageIndex;
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var size = PageSize <= 0 ? 20 : PageSize;
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var list = q.Count(out var total)
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.Page(page, size)
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.ToList();
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var pages = total <= 0 || size <= 0 ? 0 : (int)Math.Ceiling(total * 1.0 / size);
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if (pages > 0 && page > pages)
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{
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page = pages;
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list = q.Page(page, size).ToList();
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}
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return (items: list, total: (int)total, normalizedPage: page, totalPages: pages);
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});
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Application.Current.Dispatcher.Invoke(() =>
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{
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Items.Clear();
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foreach (var it in data.items) Items.Add(it);
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TotalCount = data.total;
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TotalPages = data.totalPages;
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PageIndex = data.normalizedPage == 0 ? 1 : data.normalizedPage;
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});
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_log.Info($"FileImportLog 查询完成，记录数: {TotalCount}");
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}
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catch (Exception ex)
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{
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_log.Error($"FileImportLog 查询失败: {ex}");
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MessageBox.Show($"查询失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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finally
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{
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IsBusy = false;
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}
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}
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public override async void OnNavigatedTo(Prism.Regions.NavigationContext navigationContext)
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{
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await SearchAsync();
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}
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}
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}
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