Add PageContentService and PageContentSerializer (load/save the page content)

2026-09-11 13:38:27 +02:00
parent b2e04fcb1d
commit 2d365eae95
2 changed files with 121 additions and 0 deletions
@@ -0,0 +1,44 @@
+using Microsoft.EntityFrameworkCore;
+using BewerbungsSeite.Data;
+using BewerbungsSeite.Models;
+using BewerbungsSeite.Models.SiteContent;
+
+namespace BewerbungsSeite.Services;
+
+public interface IPageContentService
+{
+    /// <summary>Laedt den Seiteninhalt. Existiert noch keine Zeile, kommt ein leerer Inhalt zurueck.</summary>
+    Task<PageContent> GetAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>Schreibt den kompletten Seiteninhalt in die eine Zeile zurueck.</summary>
+    Task SaveAsync(PageContent content, CancellationToken cancellationToken = default);
+}
+
+public class PageContentService(RazorPagesMovieContext context) : IPageContentService
+{
+    public async Task<PageContent> GetAsync(CancellationToken cancellationToken = default)
+    {
+        var row = await context.PageContent
+            .AsNoTracking()
+            .SingleOrDefaultAsync(p => p.Id == PageContentEntity.SingletonId, cancellationToken);
+
+        return PageContentSerializer.Deserialize(row?.Content);
+    }
+
+    public async Task SaveAsync(PageContent content, CancellationToken cancellationToken = default)
+    {
+        var row = await context.PageContent
+            .SingleOrDefaultAsync(p => p.Id == PageContentEntity.SingletonId, cancellationToken);
+
+        if (row is null)
+        {
+            row = new PageContentEntity { Id = PageContentEntity.SingletonId };
+            context.PageContent.Add(row);
+        }
+
+        row.Content = PageContentSerializer.Serialize(content);
+        row.UpdatedAt = DateTime.UtcNow;
+
+        await context.SaveChangesAsync(cancellationToken);
+    }
+}