| 1 | using System.Collections.ObjectModel; |
| 2 | using System.IO; |
| 3 | using System.Threading; |
| 4 | using System.Threading.Tasks; |
| 5 | using CascadeIDE.Models; |
| 6 | using CascadeIDE.ViewModels; |
| 7 | using CommunityToolkit.Mvvm.ComponentModel; |
| 8 | |
| 9 | namespace CascadeIDE.Features.Workspace; |
| 10 | |
| 11 | /// <summary> |
| 12 | /// Состояние сессии решения: путь, дерево, выбор; фоновая загрузка дерева. |
| 13 | /// <see cref="MainWindowViewModel"/> — композитор: документы, редактор, сервисы после загрузки. |
| 14 | /// </summary> |
| 15 | public sealed partial class SolutionWorkspaceViewModel : ViewModelBase |
| 16 | { |
| 17 | private long _loadVersion; |
| 18 | |
| 19 | [ObservableProperty] |
| 20 | private string _solutionPath = ""; |
| 21 | |
| 22 | [ObservableProperty] |
| 23 | private string _solutionLoadError = ""; |
| 24 | |
| 25 | [ObservableProperty] |
| 26 | private ObservableCollection<SolutionItem> _solutionRoots = []; |
| 27 | |
| 28 | [ObservableProperty] |
| 29 | private SolutionItem? _selectedSolutionItem; |
| 30 | |
| 31 | public long CurrentLoadVersion => Interlocked.Read(ref _loadVersion); |
| 32 | |
| 33 | public void Clear() |
| 34 | { |
| 35 | SelectedSolutionItem = null; |
| 36 | SolutionPath = ""; |
| 37 | SolutionLoadError = ""; |
| 38 | SolutionRoots.Clear(); |
| 39 | } |
| 40 | |
| 41 | /// <summary> |
| 42 | /// Загрузка дерева в пуле потоков; применение к VM — на UI (<see cref="MainWindowViewModel.LoadSolutionAsync"/>). |
| 43 | /// </summary> |
| 44 | public async Task<(SolutionItem? Root, string? NormalizedSolutionPath, string? Error, long LoadVersion)> LoadSolutionTreeAsync( |
| 45 | string path, |
| 46 | CancellationToken cancellationToken = default) |
| 47 | { |
| 48 | var loadVersion = Interlocked.Increment(ref _loadVersion); |
| 49 | |
| 50 | try |
| 51 | { |
| 52 | var (root, error) = await Task.Run(() => |
| 53 | { |
| 54 | var trimmed = path.Trim(); |
| 55 | string normalizedProbe; |
| 56 | try |
| 57 | { |
| 58 | normalizedProbe = CanonicalFilePath.Normalize(trimmed); |
| 59 | } |
| 60 | catch |
| 61 | { |
| 62 | normalizedProbe = trimmed; |
| 63 | } |
| 64 | |
| 65 | if (Directory.Exists(normalizedProbe)) |
| 66 | { |
| 67 | var r = FolderWorkspaceTreeBuilder.TryBuild(normalizedProbe, out var err); |
| 68 | return (r, err); |
| 69 | } |
| 70 | |
| 71 | var sln = SolutionParser.Load(trimmed, out var err2); |
| 72 | return (sln, err2); |
| 73 | }, cancellationToken).ConfigureAwait(false); |
| 74 | |
| 75 | if (root is null) |
| 76 | return (null, null, error ?? "Не удалось загрузить решение.", loadVersion); |
| 77 | |
| 78 | var normalizedSolutionPath = root.FullPath; |
| 79 | if (string.IsNullOrEmpty(normalizedSolutionPath)) |
| 80 | { |
| 81 | try { normalizedSolutionPath = CanonicalFilePath.Normalize(path); } |
| 82 | catch { normalizedSolutionPath = path; } |
| 83 | } |
| 84 | |
| 85 | return (root, normalizedSolutionPath, null, loadVersion); |
| 86 | } |
| 87 | catch (OperationCanceledException) |
| 88 | { |
| 89 | return (null, null, "Загрузка решения отменена.", loadVersion); |
| 90 | } |
| 91 | catch (Exception ex) |
| 92 | { |
| 93 | return (null, null, "Ошибка загрузки решения: " + ex.Message, loadVersion); |
| 94 | } |
| 95 | } |
| 96 | } |
| 97 | |