feat: 初始功能

2026-05-23 18:16:50 +08:00
parent a5bfd8792e
commit 9a51259e9e
63 changed files with 5377 additions and 1 deletions
--- a/ViewModels/LibraryViewModel.cs
+++ b/ViewModels/LibraryViewModel.cs
@@ -0,0 +1,154 @@
+using System.Collections.ObjectModel;
+using CloudPrint.Client.Infrastructure;
+using CloudPrint.Client.Models;
+using CloudPrint.Client.Services;
+using CloudPrint.Client.Services.Abstractions;
+using Microsoft.Win32;
+
+namespace CloudPrint.Client.ViewModels;
+
+public sealed class LibraryViewModel : ObservableObject
+{
+    private readonly IFileService _fileService;
+    private readonly IPrintBackendClient _backendClient;
+    private readonly ClientSettings _settings;
+    private LibraryCategory? _selectedCategory;
+    private CloudPrintDocument? _selectedDocument;
+    private string _statusMessage = "文库就绪";
+
+    public LibraryViewModel()
+        : this(new FileService(), new GrpcService(), new ClientSettings())
+    {
+    }
+
+    public LibraryViewModel(IFileService fileService, IPrintBackendClient backendClient, ClientSettings settings)
+    {
+        _fileService = fileService;
+        _backendClient = backendClient;
+        _settings = settings;
+
+        Categories.Add(new LibraryCategory { Id = 1, Name = "教材资料", Icon = "📘", SortOrder = 1 });
+        Categories.Add(new LibraryCategory { Id = 2, Name = "考试真题", Icon = "📝", SortOrder = 2 });
+        Categories.Add(new LibraryCategory { Id = 3, Name = "证件照片", Icon = "🖼️", SortOrder = 3 });
+        Categories.Add(new LibraryCategory { Id = 4, Name = "其他文件", Icon = "📁", SortOrder = 99 });
+
+        SelectedCategory = Categories.FirstOrDefault();
+        AddDocumentCommand = new RelayCommand(AddDocument);
+        RemoveDocumentCommand = new RelayCommand(RemoveSelectedDocument, () => SelectedDocument is not null);
+        SyncSelectedCommand = new AsyncRelayCommand(SyncSelectedAsync, () => SelectedDocument is not null && _backendClient.IsConnected);
+        SyncAllCommand = new AsyncRelayCommand(SyncAllAsync, () => Documents.Any(document => !document.IsUploaded) && _backendClient.IsConnected);
+    }
+
+    public ObservableCollection<LibraryCategory> Categories { get; } = new();
+    public ObservableCollection<CloudPrintDocument> Documents { get; } = new();
+
+    public LibraryCategory? SelectedCategory
+    {
+        get => _selectedCategory;
+        set => SetProperty(ref _selectedCategory, value);
+    }
+
+    public CloudPrintDocument? SelectedDocument
+    {
+        get => _selectedDocument;
+        set
+        {
+            if (SetProperty(ref _selectedDocument, value))
+            {
+                RemoveDocumentCommand.RaiseCanExecuteChanged();
+                SyncSelectedCommand.RaiseCanExecuteChanged();
+            }
+        }
+    }
+
+    public string StatusMessage
+    {
+        get => _statusMessage;
+        private set => SetProperty(ref _statusMessage, value);
+    }
+
+    public RelayCommand AddDocumentCommand { get; }
+    public RelayCommand RemoveDocumentCommand { get; }
+    public AsyncRelayCommand SyncSelectedCommand { get; }
+    public AsyncRelayCommand SyncAllCommand { get; }
+
+    public void RefreshCommandState()
+    {
+        SyncSelectedCommand.RaiseCanExecuteChanged();
+        SyncAllCommand.RaiseCanExecuteChanged();
+    }
+
+    private void AddDocument()
+    {
+        var dialog = new Microsoft.Win32.OpenFileDialog
+        {
+            Title = "选择要加入文库的文件",
+            Multiselect = true,
+            Filter = "支持的文件|*.pdf;*.doc;*.docx;*.txt;*.xls;*.xlsx;*.ppt;*.pptx;*.jpg;*.jpeg;*.png;*.bmp;*.gif;*.zip;*.rar|所有文件|*.*"
+        };
+
+        if (dialog.ShowDialog() != true)
+        {
+            return;
+        }
+
+        var addedCount = 0;
+        var categoryName = SelectedCategory?.Name ?? "未分类";
+        var limit = Math.Max(1, _settings.MaxUploadSizeMb) * 1024L * 1024L;
+
+        foreach (var fileName in dialog.FileNames)
+        {
+            var validation = _fileService.ValidateFile(fileName, limit);
+            if (!validation.IsValid)
+            {
+                StatusMessage = $"跳过 {System.IO.Path.GetFileName(fileName)}：{validation.Message}";
+                continue;
+            }
+
+            var document = _fileService.CopyToLibrary(fileName, _settings.LibraryRoot, categoryName, SelectedCategory?.Id ?? 0);
+            Documents.Insert(0, document);
+            addedCount++;
+        }
+
+        StatusMessage = addedCount > 0 ? $"已加入 {addedCount} 个文件到文库" : "没有文件被加入文库";
+        RefreshCommandState();
+    }
+
+    private void RemoveSelectedDocument()
+    {
+        if (SelectedDocument is null)
+        {
+            return;
+        }
+
+        var document = SelectedDocument;
+        Documents.Remove(document);
+        SelectedDocument = null;
+        StatusMessage = $"已从列表移除：{document.Title}";
+        RefreshCommandState();
+    }
+
+    private async Task SyncSelectedAsync()
+    {
+        if (SelectedDocument is null)
+        {
+            return;
+        }
+
+        await _backendClient.UploadLibraryDocumentAsync(SelectedDocument).ConfigureAwait(true);
+        StatusMessage = $"已同步：{SelectedDocument.Title}";
+        RefreshCommandState();
+    }
+
+    private async Task SyncAllAsync()
+    {
+        var pendingDocuments = Documents.Where(document => !document.IsUploaded).ToList();
+        foreach (var document in pendingDocuments)
+        {
+            await _backendClient.UploadLibraryDocumentAsync(document).ConfigureAwait(true);
+        }
+
+        StatusMessage = $"已同步 {pendingDocuments.Count} 个文库文件";
+        RefreshCommandState();
+    }
+}