Update models Messages

Govor.Data/Configurations/MediaAttachmentsConfiguration.cs

@@ -0,0 +1,26 @@
+using Govor.Core.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace Govor.Data.Configurations;
+
+public class MediaAttachmentsConfiguration : IEntityTypeConfiguration<MediaAttachments>
+{
+    public void Configure(EntityTypeBuilder<MediaAttachments> builder)
+    {
+        builder.HasKey(ma => ma.Id);
+
+        builder.Property(ma => ma.FilePath)
+            .IsRequired();
+
+        builder.Property(ma => ma.MimeType)
+            .IsRequired();
+
+        builder.Property(ma => ma.EncryptedKey)
+            .HasMaxLength(512); // зависит от шифра
+
+        builder.Property(ma => ma.Type)
+            .HasConversion<string>() // enum as string (e.g., "Image")
+            .IsRequired();
+    }
+}