// @nuget: EntityFramework

// @nuget: Z.EntityFramework.Extensions

using System;

using System.Linq;

using System.Data.Entity;

using System.Collections.Generic;

using Z.BulkOperations;

​

public class Program

{

    public static void Main()

    {

        // ADD seed data here

        using (var context = new EntityContext())

        {

            context.Customers.Add(new Customer()

            {CustomerID = 1, Name = new FullName("First_A", "Middle_A", "Last_A"), IsActive = false});

            context.Customers.Add(new Customer()

            {CustomerID = 2, Name = new FullName("First_B", "Middle_B", "Last_B"), IsActive = false});

            context.Customers.Add(new Customer()

            {CustomerID = 3, Name = new FullName("First_C", "Middle_C", "Last_C"), IsActive = false});

            context.SaveChanges();

            FiddleHelper.WriteTable("1 - Before", context.Customers);

        }

​

        // ADD code to reproduce the issue here

        using (var context = new EntityContext())

        {

            var updatedCustomers = new List<Customer>();

            updatedCustomers.Add(new Customer()

            {CustomerID = 1, Name = new FullName("UPDATED_First_A", "UPDATED_Middle_A", "UPDATED_Last_A"), IsActive = false});

            updatedCustomers.Add(new Customer()

            {CustomerID = 2, Name = new FullName("UPDATED_First_B", "UPDATED_Middle_B", "UPDATED_Last_B"), IsActive = true});

            var auditEntries = new List<AuditEntry>();

            context.BulkUpdate(updatedCustomers, options =>

            {

                options.UseAudit = true;

                options.AuditMode = AuditModeType.ExcludeAll;

                options.AuditEntries = auditEntries;

                options.ColumnInputExpression = x => new

                {

                x.CustomerID, x.Name

                };

                options.PostConfiguration = postConfiguration =>

                {

                    var mappings = postConfiguration.ColumnMappings;

                    mappings.Single(x => x.SourceName == "CustomerID").AuditMode = ColumnMappingAuditModeType.Include;

                    mappings.Single(x => x.SourceName == "Name.FirstName").AuditMode = ColumnMappingAuditModeType.Include;

                };

            });

            FiddleHelper.WriteTable("AUDIT ENTRIES", auditEntries);

        }

​

        using (var context = new EntityContext())

        {

            FiddleHelper.WriteTable("2 - After", context.Customers);

        }

    }

​

    public class EntityContext : DbContext

    {

        public EntityContext(): base(FiddleHelper.GetConnectionStringSqlServer())

        {

        }

​

        public DbSet<Customer> Customers

        {

            get;

            set;

        }

    }

​

    public class Customer

    {

        public int CustomerID

        {

            get;

            set;

        }

​

        public FullName Name

        {

            get;

            set;

        }

​

        public Boolean IsActive

        {

            get;

            set;

        }

    }

​

    public class FullName

    {

        public string FirstName

        {

            get;

            set;

        }

​

        public string MiddleName

        {

            get;

            set;

        }

​

        public string LastName

        {

            get;

            set;

        }

​

        public FullName()

        {

        }

​

        public FullName(string first, string middle, string last)

        {

            FirstName = first;

            MiddleName = middle;

            LastName = last;

        }

    }

}