API oldaláról sokminden

src/WorkFlowCheck.DL/Extensions/DbContextExtensions.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+using WorkFlowCheck.DL.Interfaces;
+
+namespace WorkFlowCheck.DL.Extensions
+{
+    public static class DbContextExtensions
+    {
+        public static void RegisterSoftDeleteQueryFilters(this ModelBuilder modelBuilder)
+        {
+            foreach (var entityType in modelBuilder.Model.GetEntityTypes().Where(e => typeof(ISoftDeletableEntity).IsAssignableFrom(e.ClrType)))
+            {
+                var parameter = Expression.Parameter(entityType.ClrType);
+
+                var softDeletableProperty = Expression.Property(parameter, nameof(ISoftDeletableEntity.IsDeleted));
+                var compareExpression = Expression.MakeBinary(ExpressionType.Equal, softDeletableProperty, Expression.Constant(false));
+                var lambda = Expression.Lambda(compareExpression, parameter);
+
+                modelBuilder.Entity(entityType.ClrType).HasQueryFilter(lambda);
+            }
+        }
+    }
+}