feat(03-08): create SearchViewModel, SearchView XAML and code-behind
- SearchViewModel: full filter props, RunOperationAsync via ISearchService - Uses TenantProfile site URL override pattern (ctx.Url is read-only) - ExportCsvCommand + ExportHtmlCommand with CanExport guard - SearchView.xaml: filter panel + DataGrid with all 8 columns - SearchView.xaml.cs: DI constructor with DataContext wiring
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Dev
186
SharepointToolbox/ViewModels/Tabs/SearchViewModel.cs
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186
SharepointToolbox/ViewModels/Tabs/SearchViewModel.cs
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Windows;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using Microsoft.Extensions.Logging;
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using Microsoft.Win32;
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using SharepointToolbox.Core.Models;
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using SharepointToolbox.Services;
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using SharepointToolbox.Services.Export;
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namespace SharepointToolbox.ViewModels.Tabs;
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public partial class SearchViewModel : FeatureViewModelBase
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{
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private readonly ISearchService _searchService;
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private readonly ISessionManager _sessionManager;
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private readonly SearchCsvExportService _csvExportService;
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private readonly SearchHtmlExportService _htmlExportService;
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private readonly ILogger<FeatureViewModelBase> _logger;
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private TenantProfile? _currentProfile;
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// ── Filter observable properties ─────────────────────────────────────────
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[ObservableProperty] private string _siteUrl = string.Empty;
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[ObservableProperty] private string _extensions = string.Empty;
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[ObservableProperty] private string _regex = string.Empty;
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[ObservableProperty] private bool _useCreatedAfter;
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[ObservableProperty] private DateTime _createdAfter = DateTime.Today.AddMonths(-1);
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[ObservableProperty] private bool _useCreatedBefore;
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[ObservableProperty] private DateTime _createdBefore = DateTime.Today;
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[ObservableProperty] private bool _useModifiedAfter;
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[ObservableProperty] private DateTime _modifiedAfter = DateTime.Today.AddMonths(-1);
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[ObservableProperty] private bool _useModifiedBefore;
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[ObservableProperty] private DateTime _modifiedBefore = DateTime.Today;
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[ObservableProperty] private string _createdBy = string.Empty;
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[ObservableProperty] private string _modifiedBy = string.Empty;
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[ObservableProperty] private string _library = string.Empty;
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[ObservableProperty] private int _maxResults = 5000;
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private ObservableCollection<SearchResult> _results = new();
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public ObservableCollection<SearchResult> Results
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{
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get => _results;
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private set
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{
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_results = value;
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OnPropertyChanged();
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ExportCsvCommand.NotifyCanExecuteChanged();
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ExportHtmlCommand.NotifyCanExecuteChanged();
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}
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}
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public IAsyncRelayCommand ExportCsvCommand { get; }
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public IAsyncRelayCommand ExportHtmlCommand { get; }
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public TenantProfile? CurrentProfile => _currentProfile;
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public SearchViewModel(
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ISearchService searchService,
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ISessionManager sessionManager,
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SearchCsvExportService csvExportService,
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SearchHtmlExportService htmlExportService,
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ILogger<FeatureViewModelBase> logger)
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: base(logger)
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{
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_searchService = searchService;
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_sessionManager = sessionManager;
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_csvExportService = csvExportService;
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_htmlExportService = htmlExportService;
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_logger = logger;
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ExportCsvCommand = new AsyncRelayCommand(ExportCsvAsync, CanExport);
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ExportHtmlCommand = new AsyncRelayCommand(ExportHtmlAsync, CanExport);
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}
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protected override async Task RunOperationAsync(CancellationToken ct, IProgress<OperationProgress> progress)
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{
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if (_currentProfile == null)
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{
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StatusMessage = "No tenant selected. Please connect to a tenant first.";
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return;
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}
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if (string.IsNullOrWhiteSpace(SiteUrl))
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{
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StatusMessage = "Please enter a site URL.";
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return;
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}
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var siteProfile = new TenantProfile
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{
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TenantUrl = SiteUrl.TrimEnd('/'),
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ClientId = _currentProfile.ClientId,
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Name = _currentProfile.Name
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};
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var ctx = await _sessionManager.GetOrCreateContextAsync(siteProfile, ct);
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var opts = new SearchOptions(
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Extensions: ParseExtensions(Extensions),
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Regex: string.IsNullOrWhiteSpace(Regex) ? null : Regex,
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CreatedAfter: UseCreatedAfter ? CreatedAfter : null,
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CreatedBefore: UseCreatedBefore ? CreatedBefore : null,
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ModifiedAfter: UseModifiedAfter ? ModifiedAfter : null,
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ModifiedBefore: UseModifiedBefore ? ModifiedBefore : null,
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CreatedBy: string.IsNullOrWhiteSpace(CreatedBy) ? null : CreatedBy,
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ModifiedBy: string.IsNullOrWhiteSpace(ModifiedBy) ? null : ModifiedBy,
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Library: string.IsNullOrWhiteSpace(Library) ? null : Library,
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MaxResults: Math.Clamp(MaxResults, 1, 50_000),
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SiteUrl: SiteUrl.TrimEnd('/')
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);
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var items = await _searchService.SearchFilesAsync(ctx, opts, progress, ct);
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if (Application.Current?.Dispatcher is { } dispatcher)
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await dispatcher.InvokeAsync(() => Results = new ObservableCollection<SearchResult>(items));
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else
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Results = new ObservableCollection<SearchResult>(items);
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}
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protected override void OnTenantSwitched(Core.Models.TenantProfile profile)
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{
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_currentProfile = profile;
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Results = new ObservableCollection<SearchResult>();
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SiteUrl = string.Empty;
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OnPropertyChanged(nameof(CurrentProfile));
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ExportCsvCommand.NotifyCanExecuteChanged();
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ExportHtmlCommand.NotifyCanExecuteChanged();
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}
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internal void SetCurrentProfile(TenantProfile profile) => _currentProfile = profile;
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private bool CanExport() => Results.Count > 0;
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private async Task ExportCsvAsync()
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{
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if (Results.Count == 0) return;
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var dialog = new SaveFileDialog
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{
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Title = "Export search results to CSV",
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Filter = "CSV files (*.csv)|*.csv|All files (*.*)|*.*",
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DefaultExt = "csv",
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FileName = "search_results"
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};
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if (dialog.ShowDialog() != true) return;
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try
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{
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await _csvExportService.WriteAsync(Results, dialog.FileName, CancellationToken.None);
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OpenFile(dialog.FileName);
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}
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catch (Exception ex) { StatusMessage = $"Export failed: {ex.Message}"; _logger.LogError(ex, "CSV export failed."); }
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}
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private async Task ExportHtmlAsync()
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{
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if (Results.Count == 0) return;
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var dialog = new SaveFileDialog
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{
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Title = "Export search results to HTML",
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Filter = "HTML files (*.html)|*.html|All files (*.*)|*.*",
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DefaultExt = "html",
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FileName = "search_results"
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};
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if (dialog.ShowDialog() != true) return;
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try
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{
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await _htmlExportService.WriteAsync(Results, dialog.FileName, CancellationToken.None);
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OpenFile(dialog.FileName);
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}
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catch (Exception ex) { StatusMessage = $"Export failed: {ex.Message}"; _logger.LogError(ex, "HTML export failed."); }
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}
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private static string[] ParseExtensions(string input)
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{
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if (string.IsNullOrWhiteSpace(input)) return Array.Empty<string>();
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return input.Split(new[] { ' ', ',', ';' }, StringSplitOptions.RemoveEmptyEntries)
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.Select(e => e.TrimStart('.').ToLowerInvariant())
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.Where(e => e.Length > 0)
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.Distinct()
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.ToArray();
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}
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private static void OpenFile(string filePath)
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{
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try { Process.Start(new ProcessStartInfo(filePath) { UseShellExecute = true }); }
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catch { }
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}
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}
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