// @nuget: EntityFramework

// @nuget: Z.EntityFramework.Plus.EF6

​

using System;

using System.Linq;

using System.Data.Entity;

using Z.EntityFramework.Plus;

public class Program

{

    public static void Main()

    {

        using (var context = new EFPlusContext())

        {

            // Simulating a deleted item existing in the database.

            var person = new Person { Name = "P1", IsSoftDeleted = true };

            context.People.Add(person);

            context.SaveChanges();

​

            // Undeleting the item.

            person.IsSoftDeleted = false;

​

            var audit = new Audit();

            audit.Configuration.SoftAdded<Person>(x => {

                // Checking if "IsSoftDeleted" here is better for performance reason (no need to get entry from object state for nothing)

                if(!x.IsSoftDeleted)

                {

                    var entry = context.GetObjectContext().ObjectStateManager.GetObjectStateEntry(x);

                    var IsSoftDeletedOrdinal = entry.CurrentValues.GetOrdinal("IsSoftDeleted");

                    return entry.CurrentValues.GetValue(IsSoftDeletedOrdinal) != entry.OriginalValues.GetValue(IsSoftDeletedOrdinal);

                }

                return false;

            });

            audit.Configuration.SoftDeleted<Person>(x => {

                // Checking if "IsSoftDeleted" here is better for performance reason (no need to get entry from object state for nothing)

                if(x.IsSoftDeleted)

                {

                    var entry = context.GetObjectContext().ObjectStateManager.GetObjectStateEntry(x);

                    var IsSoftDeletedOrdinal = entry.CurrentValues.GetOrdinal("IsSoftDeleted");

                    return entry.CurrentValues.GetValue(IsSoftDeletedOrdinal) != entry.OriginalValues.GetValue(IsSoftDeletedOrdinal);

                }

                return false;

            });

            audit.CreatedBy = "Someone";

            context.SaveChanges(audit);

​

            // Checking the state of the AuditEntry.

            var auditEntry = context.AuditEntries.Single();

            Console.WriteLine(auditEntry.StateName);    // Expected: EntitySoftAdded. Actual: EntityModified.

        }

    }

    class EFPlusContext : DbContext

    {

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

        {

            //Database.SetInitializer(new DropCreateDatabaseAlways<EFPlusContext>());

        }

​

        static EFPlusContext()

        {

            AuditManager.DefaultConfiguration.AutoSavePreAction = (context, audit) =>

                (context as EFPlusContext).AuditEntries.AddRange(audit.Entries);

        }

​

        public DbSet<Person> People { get; set; }

​

        public DbSet<AuditEntry> AuditEntries { get; set; }

        public DbSet<AuditEntryProperty> AuditEntryProperties { get; set; }

    }

​

    public class Person

    {

        public int Id { get; set; }

        public string Name { get; set; }

        public bool IsSoftDeleted { get; set; }

    }

}