upload

2026-06-07 18:19:53 +03:00
commit fb13e5a20a
33 changed files with 2382 additions and 0 deletions
--- a/Views/ArticleEditorWindow.xaml.cs
+++ b/Views/ArticleEditorWindow.xaml.cs
@@ -0,0 +1,147 @@
+using System.Windows;
+using System.Windows.Threading;
+using Microsoft.EntityFrameworkCore;
+using SimpleWiki.Data;
+using SimpleWiki.Models;
+using SimpleWiki.Services;
+
+namespace SimpleWiki.Views;
+
+public partial class ArticleEditorWindow : Window
+{
+    private readonly User _currentUser;
+    private readonly int? _articleId;
+    private bool _isPreviewBrowserReady;
+    private string _pendingPreviewHtml = string.Empty;
+
+    public ArticleEditorWindow(User currentUser, int? articleId = null)
+    {
+        InitializeComponent();
+        _currentUser = currentUser;
+        _articleId = articleId;
+        _pendingPreviewHtml = MarkdownService.ToHtmlDocument("Предпросмотр", "# Предпросмотр\n\nПодготовка предпросмотра...");
+        Loaded += ArticleEditorWindow_Loaded;
+        ContentRendered += ArticleEditorWindow_ContentRendered;
+    }
+
+
+    private void ArticleEditorWindow_ContentRendered(object? sender, EventArgs e)
+    {
+        _isPreviewBrowserReady = true;
+        Dispatcher.BeginInvoke(RenderPreviewIfReady, DispatcherPriority.ApplicationIdle);
+    }
+
+    private void ArticleEditorWindow_Loaded(object sender, RoutedEventArgs e)
+    {
+        if (_articleId.HasValue)
+        {
+            using var db = new AppDbContext();
+            var article = db.Articles.AsNoTracking().FirstOrDefault(x => x.Id == _articleId.Value);
+            if (article is not null)
+            {
+                TitleTextBox.Text = article.Title;
+                SummaryTextBox.Text = article.Summary;
+                MarkdownTextBox.Text = article.MarkdownContent;
+            }
+        }
+
+        UpdatePreview();
+    }
+
+    private void AnyInput_TextChanged(object sender, System.Windows.Controls.TextChangedEventArgs e)
+    {
+        UpdatePreview();
+    }
+
+    private void UpdatePreview()
+    {
+        var title = string.IsNullOrWhiteSpace(TitleTextBox.Text) ? "Новая статья" : TitleTextBox.Text.Trim();
+        var content = string.IsNullOrWhiteSpace(MarkdownTextBox.Text)
+            ? "# Предпросмотр\n\nЗдесь появится отрендеренный markdown."
+            : MarkdownTextBox.Text;
+
+        _pendingPreviewHtml = MarkdownService.ToHtmlDocument(title, content);
+        RenderPreviewIfReady();
+    }
+
+    private void RenderPreviewIfReady()
+    {
+        if (!_isPreviewBrowserReady)
+        {
+            return;
+        }
+
+        PreviewBrowser.NavigateToString(_pendingPreviewHtml);
+    }
+
+    private void SaveButton_Click(object sender, RoutedEventArgs e)
+    {
+        var titleError = InputValidator.ValidateArticleTitle(TitleTextBox.Text);
+        var summaryError = InputValidator.ValidateArticleSummary(SummaryTextBox.Text);
+        var markdownError = InputValidator.ValidateArticleMarkdown(MarkdownTextBox.Text);
+        var errors = InputValidator.JoinErrors(titleError, summaryError, markdownError);
+
+        if (!string.IsNullOrWhiteSpace(errors))
+        {
+            MessageBox.Show(errors, "Ошибка валидации", MessageBoxButton.OK, MessageBoxImage.Warning);
+            return;
+        }
+
+        using var db = new AppDbContext();
+        var slug = SlugHelper.Generate(TitleTextBox.Text);
+
+        if (_articleId.HasValue)
+        {
+            var article = db.Articles.FirstOrDefault(x => x.Id == _articleId.Value);
+            if (article is null)
+            {
+                MessageBox.Show("Статья не найдена.", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
+                return;
+            }
+
+            var duplicate = db.Articles.AsNoTracking().Any(x => x.Slug == slug && x.Id != article.Id);
+            if (duplicate)
+            {
+                MessageBox.Show("Статья с таким заголовком уже существует.", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
+                return;
+            }
+
+            article.Title = TitleTextBox.Text.Trim();
+            article.Summary = SummaryTextBox.Text.Trim();
+            article.MarkdownContent = MarkdownTextBox.Text.Trim();
+            article.Slug = slug;
+            article.UpdatedAt = DateTime.UtcNow;
+        }
+        else
+        {
+            var duplicate = db.Articles.AsNoTracking().Any(x => x.Slug == slug);
+            if (duplicate)
+            {
+                MessageBox.Show("Статья с таким заголовком уже существует.", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
+                return;
+            }
+
+            var article = new Article
+            {
+                Title = TitleTextBox.Text.Trim(),
+                Summary = SummaryTextBox.Text.Trim(),
+                MarkdownContent = MarkdownTextBox.Text.Trim(),
+                Slug = slug,
+                AuthorId = _currentUser.Id,
+                CreatedAt = DateTime.UtcNow
+            };
+
+            db.Articles.Add(article);
+        }
+
+        db.SaveChanges();
+        DialogResult = true;
+        Close();
+    }
+
+    private void CancelButton_Click(object sender, RoutedEventArgs e)
+    {
+        DialogResult = false;
+        Close();
+    }
+}