Creation of EF Core Migrations - these execute using EF Tools, but are not integrated to run programmatically

Oqtane.Server/Migrations/EntityBuilders/AuditableBaseEntityBuilder.cs

@@ -0,0 +1,34 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Migrations.Operations;
+using Microsoft.EntityFrameworkCore.Migrations.Operations.Builders;
+using Oqtane.Migrations.Extensions;
+
+// ReSharper disable UnusedAutoPropertyAccessor.Global
+// ReSharper disable MemberCanBePrivate.Global
+
+namespace Oqtane.Migrations.EntityBuilders
+{
+    public abstract class AuditableBaseEntityBuilder<TEntityBuilder> : BaseEntityBuilder<TEntityBuilder> where TEntityBuilder : BaseEntityBuilder<TEntityBuilder>
+    {
+        protected AuditableBaseEntityBuilder(MigrationBuilder migrationBuilder) : base (migrationBuilder)
+        {
+        }
+
+        protected void AddAuditableColumns(ColumnsBuilder table)
+        {
+            CreatedBy = table.AddStringColumn("CreatedBy", 256);
+            CreatedOn = table.AddDateTimeColumn("CreatedOn");
+            ModifiedBy = table.AddStringColumn("ModifiedBy", 256);
+            ModifiedOn = table.AddDateTimeColumn("ModifiedOn");
+        }
+
+
+        public OperationBuilder<AddColumnOperation> CreatedBy { get; private set; }
+
+        public OperationBuilder<AddColumnOperation> CreatedOn { get; private set; }
+
+        public OperationBuilder<AddColumnOperation> ModifiedBy { get; private set; }
+
+        public OperationBuilder<AddColumnOperation> ModifiedOn { get; private set; }
+    }
+}