initial commit

Services.cs

@@ -0,0 +1,33 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace ApplianceRepair
+{
+    public class HomePageReader(DatabaseContext db)
+    {
+        public async Task<HomePageRecord?> ReadLatestRecord()
+        {
+            return await db.HomePage.OrderByDescending(page => page.Id).FirstAsync();
+        }
+    }
+
+    public class ContentCardReader(DatabaseContext db)
+    {
+        public async Task<List<ContentCardRecord>?> ReadAllByPageAndGroup(string belongsToPage, string group)
+        {
+            return await db.ContentCards.Where(card => card.BelongsToPage == belongsToPage && card.Group == group).ToListAsync();
+        }
+
+        public async Task<List<ContentCardRecord>?> ReadAllByPage(string belongsToPage)
+        {
+            return await db.ContentCards.Where(card => card.BelongsToPage == belongsToPage).ToListAsync();
+        }
+    }
+
+    public class BusinessConfigReader(DatabaseContext db)
+    {
+        public async Task<BusinessConfigRecord?> ReadLatestRecord()
+        {
+            return await db.BusinessConfig.OrderByDescending(page => page.Id).FirstOrDefaultAsync();
+        }
+    }
+}