feat(02-06): implement PermissionsViewModel with multi-site scan and SitePickerDialog
- PermissionsViewModel extends FeatureViewModelBase, implements RunOperationAsync - Multi-site mode: loops SelectedSites; single-site mode: uses SiteUrl - ExportCsvCommand and ExportHtmlCommand enabled only when Results.Count > 0 - OpenSitePickerCommand uses dialog factory pattern (Func<Window>?) - OnTenantSwitched clears Results, SiteUrl, SelectedSites - Flat ObservableProperty booleans (IncludeInherited, ScanFolders, etc.) build ScanOptions record - SitePickerDialog XAML: filterable list with CheckBox column, Title, URL columns - SitePickerDialog code-behind: loads sites on Window.Loaded, exposes SelectedUrls - ISessionManager interface extracted for testability (SessionManager implements it) - StartScanAsync_WithMultipleSiteUrls_CallsServiceOncePerUrl test passes (60/60 + 3 skip)
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Dev
@@ -1,47 +1,273 @@
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using System.Collections.ObjectModel;
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using System.Threading;
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using System.Threading.Tasks;
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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 CommunityToolkit.Mvvm.Messaging;
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using Microsoft.Extensions.Logging;
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using Microsoft.Win32;
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using SharepointToolbox.Core.Messages;
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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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/// <summary>
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/// STUB: PermissionsViewModel — RED phase. Not yet implemented.
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/// ViewModel for the Permissions tab.
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/// Orchestrates permission scanning across one or multiple SharePoint sites
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/// and exports results to CSV or HTML.
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/// </summary>
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public partial class PermissionsViewModel : FeatureViewModelBase
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{
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private readonly IPermissionsService _permissionsService;
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private readonly ISiteListService _siteListService;
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private readonly ISessionManager _sessionManager;
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private readonly CsvExportService? _csvExportService;
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private readonly HtmlExportService? _htmlExportService;
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private readonly ILogger<FeatureViewModelBase> _logger;
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// ── Observable properties ───────────────────────────────────────────────
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[ObservableProperty]
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private string _siteUrl = string.Empty;
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[ObservableProperty]
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private bool _includeInherited;
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[ObservableProperty]
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private bool _scanFolders = true;
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[ObservableProperty]
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private bool _includeSubsites;
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[ObservableProperty]
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private int _folderDepth = 1;
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[ObservableProperty]
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private ObservableCollection<PermissionEntry> _results = new();
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// ── Commands ────────────────────────────────────────────────────────────
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public IAsyncRelayCommand ExportCsvCommand { get; }
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public IAsyncRelayCommand ExportHtmlCommand { get; }
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public RelayCommand OpenSitePickerCommand { get; }
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// ── Multi-site ──────────────────────────────────────────────────────────
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public ObservableCollection<SiteInfo> SelectedSites { get; } = new();
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public ObservableCollection<PermissionEntry> Results { get; private set; } = new();
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// ── Dialog factory (set by View layer — keeps Window out of ViewModel) ──
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/// <summary>
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/// Factory function set by the View layer to open the SitePickerDialog.
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/// Returns the opened Window; ViewModel calls ShowDialog() on it.
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/// </summary>
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public Func<Window>? OpenSitePickerDialog { get; set; }
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// ── Current tenant profile (received via WeakReferenceMessenger) ────────
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internal TenantProfile? _currentProfile;
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// ── Constructors ────────────────────────────────────────────────────────
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/// <summary>
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/// Full constructor — used by DI and production code.
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/// </summary>
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public PermissionsViewModel(
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IPermissionsService permissionsService,
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ISiteListService siteListService,
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ISessionManager sessionManager,
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ILogger<PermissionsViewModel> logger)
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CsvExportService csvExportService,
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HtmlExportService htmlExportService,
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ILogger<FeatureViewModelBase> logger)
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: base(logger)
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{
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_permissionsService = permissionsService;
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_siteListService = siteListService;
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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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OpenSitePickerCommand = new RelayCommand(ExecuteOpenSitePicker);
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}
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public void SetCurrentProfile(TenantProfile profile) => _currentProfile = profile;
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/// <summary>
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/// Test constructor — omits export services (not needed for unit tests).
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/// </summary>
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internal PermissionsViewModel(
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IPermissionsService permissionsService,
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ISiteListService siteListService,
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ISessionManager sessionManager,
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ILogger<FeatureViewModelBase> logger)
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: base(logger)
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{
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_permissionsService = permissionsService;
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_siteListService = siteListService;
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_sessionManager = sessionManager;
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_csvExportService = null;
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_htmlExportService = null;
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_logger = logger;
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internal Task TestRunOperationAsync(CancellationToken ct, IProgress<OperationProgress> progress)
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=> RunOperationAsync(ct, progress);
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ExportCsvCommand = new AsyncRelayCommand(ExportCsvAsync, CanExport);
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ExportHtmlCommand = new AsyncRelayCommand(ExportHtmlAsync, CanExport);
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OpenSitePickerCommand = new RelayCommand(ExecuteOpenSitePicker);
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}
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// ── FeatureViewModelBase implementation ─────────────────────────────────
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protected override async Task RunOperationAsync(CancellationToken ct, IProgress<OperationProgress> progress)
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{
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// RED STUB: always throws to make tests fail at RED phase
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throw new NotImplementedException("PermissionsViewModel.RunOperationAsync not yet implemented.");
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var urls = SelectedSites.Count > 0
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? SelectedSites.Select(s => s.Url).ToList()
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: new List<string> { SiteUrl };
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var nonEmpty = urls.Where(u => !string.IsNullOrWhiteSpace(u)).ToList();
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if (nonEmpty.Count == 0)
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{
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StatusMessage = "Enter a site URL or select sites.";
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return;
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}
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var allEntries = new List<PermissionEntry>();
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var scanOptions = new ScanOptions(
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IncludeInherited: IncludeInherited,
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ScanFolders: ScanFolders,
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FolderDepth: FolderDepth,
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IncludeSubsites: IncludeSubsites);
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int i = 0;
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foreach (var url in nonEmpty)
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{
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ct.ThrowIfCancellationRequested();
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progress.Report(new OperationProgress(i, nonEmpty.Count, $"Scanning {url}..."));
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var profile = new TenantProfile
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{
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TenantUrl = url,
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ClientId = _currentProfile?.ClientId ?? string.Empty,
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Name = _currentProfile?.Name ?? string.Empty
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};
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var ctx = await _sessionManager.GetOrCreateContextAsync(profile, ct);
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var siteEntries = await _permissionsService.ScanSiteAsync(ctx, scanOptions, progress, ct);
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allEntries.AddRange(siteEntries);
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i++;
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}
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// Update Results on the UI thread (no-op if no Dispatcher in tests)
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var dispatcher = Application.Current?.Dispatcher;
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if (dispatcher != null)
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{
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await dispatcher.InvokeAsync(() =>
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{
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Results = new ObservableCollection<PermissionEntry>(allEntries);
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});
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}
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else
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{
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Results = new ObservableCollection<PermissionEntry>(allEntries);
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}
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ExportCsvCommand.NotifyCanExecuteChanged();
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ExportHtmlCommand.NotifyCanExecuteChanged();
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}
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// ── Tenant switching ─────────────────────────────────────────────────────
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protected override void OnTenantSwitched(TenantProfile profile)
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{
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_currentProfile = profile;
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Results = new ObservableCollection<PermissionEntry>();
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SiteUrl = string.Empty;
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SelectedSites.Clear();
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ExportCsvCommand.NotifyCanExecuteChanged();
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ExportHtmlCommand.NotifyCanExecuteChanged();
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}
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// ── Internal helpers ─────────────────────────────────────────────────────
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/// <summary>Sets the current tenant profile (for test injection).</summary>
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internal void SetCurrentProfile(TenantProfile profile) => _currentProfile = profile;
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/// <summary>Exposes RunOperationAsync for unit tests (internal + InternalsVisibleTo).</summary>
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internal Task TestRunOperationAsync(CancellationToken ct, IProgress<OperationProgress> progress)
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=> RunOperationAsync(ct, progress);
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// ── Command implementations ───────────────────────────────────────────────
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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 (_csvExportService == null || Results.Count == 0) return;
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var dialog = new SaveFileDialog
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{
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Title = "Export permissions to CSV",
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Filter = "CSV files (*.csv)|*.csv|All files (*.*)|*.*",
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DefaultExt = "csv",
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FileName = "permissions"
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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)
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{
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StatusMessage = $"Export failed: {ex.Message}";
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_logger.LogError(ex, "CSV export failed.");
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}
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}
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private async Task ExportHtmlAsync()
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{
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if (_htmlExportService == null || Results.Count == 0) return;
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var dialog = new SaveFileDialog
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{
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Title = "Export permissions to HTML",
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Filter = "HTML files (*.html)|*.html|All files (*.*)|*.*",
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DefaultExt = "html",
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FileName = "permissions"
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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)
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{
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StatusMessage = $"Export failed: {ex.Message}";
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_logger.LogError(ex, "HTML export failed.");
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}
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}
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private void ExecuteOpenSitePicker()
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{
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if (OpenSitePickerDialog == null) return;
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var dialog = OpenSitePickerDialog.Invoke();
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if (dialog?.ShowDialog() == true && dialog is Views.Dialogs.SitePickerDialog picker)
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{
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SelectedSites.Clear();
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foreach (var site in picker.SelectedUrls)
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SelectedSites.Add(site);
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}
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}
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private static void OpenFile(string filePath)
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{
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try
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{
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Process.Start(new ProcessStartInfo(filePath) { UseShellExecute = true });
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}
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catch
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{
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// Non-critical: file was written successfully, just can't auto-open
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}
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}
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}
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