baseline: OpenMU upstream b5a0961 (fresh source)

src/Persistence/EntityFramework/Extensions/ModelBuilder/LetterExtensions.cs

@@ -0,0 +1,32 @@
+// <copyright file="LetterExtensions.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.Persistence.EntityFramework.Extensions.ModelBuilder;
+
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+using MUnique.OpenMU.Persistence.EntityFramework.Model;
+
+/// <summary>
+/// Extensions for the <see cref="EntityTypeBuilder{LetterBody}"/> and <see cref="EntityTypeBuilder{LetterHeader}"/>.
+/// </summary>
+internal static class LetterExtensions
+{
+    /// <summary>
+    /// Applies the settings for the <see cref="LetterBody"/> entity.
+    /// </summary>
+    /// <param name="builder">The builder.</param>
+    public static void Apply(this EntityTypeBuilder<LetterBody> builder)
+    {
+        builder.HasOne(body => body.RawHeader);
+    }
+
+    /// <summary>
+    /// Applies the settings for the <see cref="LetterHeader"/> entity.
+    /// </summary>
+    /// <param name="builder">The builder.</param>
+    public static void Apply(this EntityTypeBuilder<LetterHeader> builder)
+    {
+        builder.Ignore(header => header.ReceiverName);
+    }
+}