// Entity Framework Plus

// Doc: https://entityframework-plus.net/audit

​

// @nuget: Microsoft.EntityFrameworkCore.SqlServer

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

​

using System;

using System.Linq;

using Microsoft.EntityFrameworkCore;

using System.Collections.Generic;

using Microsoft.Data.SqlClient;

using Z.EntityFramework.Plus;

​

public class Program

{

    public static void Main()

    {

        using (var context = new EntityContext())

        {

            context.Database.EnsureCreated();

        }

        // Custom Class: Globally

        AuditManager.DefaultConfiguration

            .AuditEntryFactory = args => 

            new CustomAuditEntry() { Time_CustomAuditEntry = DateTime.Now  };

        AuditManager.DefaultConfiguration

            .AuditEntryPropertyFactory = args => 

            new CustomAuditEntryProperty() { Text_CustomAuditEntryProperty = "Text" };

        // Custom DbSet with AutoSave 

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

        // ADD "Where(x => x.AuditEntryID == 0)" to allow multiple SaveChanges with same Audit

        (context as EntityContext).CustomAuditEntries.AddRange(audit.Entries.Cast<CustomAuditEntry>());

​

        // Audit : Easily tracks changes, exclude/include entity or property and auto save audit entries in the database.

        using (var context = new EntityContext())

        {            

            context.Customers.Add(new Customer() { Name = "Customer_C", Description = "Description", IsActive = false}); // add

            var audit = new Audit();

            audit.CreatedBy = "ZZZ Projects"; // Optional

​

            context.SaveChanges(audit);

​

        }

        using (var context = new EntityContext())

        {

            FiddleHelper.WriteTable("All Entry",context.CustomAuditEntries.ToList());

            foreach(var entry in context.CustomAuditEntries.ToList())

            {

                FiddleHelper.WriteTable("Properties for Entry ID: " + entry.AuditEntryID,context.CustomAuditEntryProperties.Where(x => x.AuditEntryID == entry.AuditEntryID).ToList());

            }

        }

    }

​

    public class EntityContext : DbContext

    {

        public EntityContext() 

        {

        }

​

        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)

        {

            optionsBuilder.UseSqlServer(new SqlConnection(FiddleHelper.GetConnectionStringSqlServer()));

​

            base.OnConfiguring(optionsBuilder);

        }

        public DbSet<Customer> Customers { get; set; }

        public DbSet<CustomAuditEntry> CustomAuditEntries { get; set; }

        public DbSet<CustomAuditEntryProperty> CustomAuditEntryProperties { get; set; }

    } 

    public class Customer

    {

        public int CustomerID { get; set; }

        public string Name { get; set; }

        public string Description { get; set; }

        public Boolean IsActive { get; set; }

    }

    public class CustomAuditEntry : AuditEntry

    {

        public DateTime Time_CustomAuditEntry {get;set;}

    }

    public class CustomAuditEntryProperty : AuditEntryProperty

    {

        public String Text_CustomAuditEntryProperty {get;set;}

    }

}