Добавьте файлы проекта.

2026-02-14 16:45:01 +03:00
parent f736c00e9f
commit 74ab86a1a8
67 changed files with 4135 additions and 0 deletions
--- a/BookReader/ViewModels/ReaderViewModel.cs
+++ b/BookReader/ViewModels/ReaderViewModel.cs
@@ -0,0 +1,162 @@
+using Android.Graphics.Fonts;
+using BookReader.Models;
+using BookReader.Services;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace BookReader.ViewModels;
+
+[QueryProperty(nameof(Book), "Book")]
+public partial class ReaderViewModel : BaseViewModel
+{
+    private readonly IDatabaseService _databaseService;
+    private readonly ISettingsService _settingsService;
+
+    [ObservableProperty]
+    private Book? _book;
+
+    [ObservableProperty]
+    private bool _isMenuVisible;
+
+    [ObservableProperty]
+    private bool _isChapterListVisible;
+
+    [ObservableProperty]
+    private int _fontSize;
+
+    [ObservableProperty]
+    private string _fontFamily = "serif";
+
+    [ObservableProperty]
+    private List<string> _chapters = new();
+
+    [ObservableProperty]
+    private string? _selectedChapter;
+
+    public List<string> AvailableFonts { get; } = new()
+    {
+        "serif",
+        "sans-serif",
+        "monospace",
+        "Georgia",
+        "Palatino",
+        "Times New Roman",
+        "Arial",
+        "Verdana",
+        "Courier New"
+    };
+
+    public List<int> AvailableFontSizes { get; } = new()
+    {
+        12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 36, 40
+    };
+
+    // Events for the view to subscribe to
+    public event Action<string>? OnJavaScriptRequested;
+    public event Action? OnBookReady;
+
+    public ReaderViewModel(IDatabaseService databaseService, ISettingsService settingsService)
+    {
+        _databaseService = databaseService;
+        _settingsService = settingsService;
+        _fontSize = 18;
+    }
+
+    public async Task InitializeAsync()
+    {
+        var savedFontSize = await _settingsService.GetIntAsync(SettingsKeys.DefaultFontSize, 18);
+        var savedFontFamily = await _settingsService.GetAsync(SettingsKeys.DefaultFontFamily, "serif");
+
+        FontSize = savedFontSize;
+        FontFamily = savedFontFamily;
+    }
+
+    [RelayCommand]
+    public void ToggleMenu()
+    {
+        IsMenuVisible = !IsMenuVisible;
+        if (!IsMenuVisible)
+            IsChapterListVisible = false;
+    }
+
+    [RelayCommand]
+    public void HideMenu()
+    {
+        IsMenuVisible = false;
+        IsChapterListVisible = false;
+    }
+
+    [RelayCommand]
+    public void ToggleChapterList()
+    {
+        IsChapterListVisible = !IsChapterListVisible;
+    }
+
+    [RelayCommand]
+    public void ChangeFontSize(int size)
+    {
+        FontSize = size;
+        OnJavaScriptRequested?.Invoke($"setFontSize({size})");
+        _ = _settingsService.SetIntAsync(SettingsKeys.DefaultFontSize, size);
+    }
+
+    [RelayCommand]
+    public void ChangeFontFamily(string family)
+    {
+        FontFamily = family;
+        OnJavaScriptRequested?.Invoke($"setFontFamily('{family}')");
+        _ = _settingsService.SetAsync(SettingsKeys.DefaultFontFamily, family);
+    }
+
+    [RelayCommand]
+    public void GoToChapter(string chapter)
+    {
+        if (string.IsNullOrEmpty(chapter)) return;
+        OnJavaScriptRequested?.Invoke($"goToChapter('{EscapeJs(chapter)}')");
+        IsChapterListVisible = false;
+        IsMenuVisible = false;
+    }
+
+    public async Task SaveProgressAsync(double progress, string? cfi, string? chapter, int currentPage, int totalPages)
+    {
+        if (Book == null) return;
+
+        Book.ReadingProgress = progress;
+        Book.LastCfi = cfi;
+        Book.LastChapter = chapter;
+        Book.CurrentPage = currentPage;
+        Book.TotalPages = totalPages;
+        Book.LastRead = DateTime.UtcNow;
+
+        await _databaseService.UpdateBookAsync(Book);
+
+        await _databaseService.SaveProgressAsync(new ReadingProgress
+        {
+            BookId = Book.Id,
+            Cfi = cfi,
+            Progress = progress,
+            CurrentPage = currentPage,
+            ChapterTitle = chapter
+        });
+    }
+
+    public string GetBookFilePath()
+    {
+        return Book?.FilePath ?? string.Empty;
+    }
+
+    public string GetBookFormat()
+    {
+        return Book?.Format ?? "epub";
+    }
+
+    public string? GetLastCfi()
+    {
+        return Book?.LastCfi;
+    }
+
+    private static string EscapeJs(string value)
+    {
+        return value.Replace("\\", "\\\\").Replace("'", "\\'").Replace("\n", "\\n").Replace("\r", "\\r");
+    }
+}