// 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();

        }

        GenerateData();

        // Ignore Events: Globally

        AuditManager.DefaultConfiguration.IgnoreRelationshipAdded = true;

        AuditManager.DefaultConfiguration.IgnoreRelationshipDeleted = true;

​

        using (var context = new EntityContext())

        {

            context.Invoices.RemoveRange(context.Invoices.Include(x => x.InvoiceItems).ToList());

            context.Invoices.Add(new Invoice() { Description = "Invoice_C", InvoiceItems = new List<InvoiceItem>() { new InvoiceItem() { Description = "Invoice_B_InvoiceItem_A" } }});

            var audit = new Audit();

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

            // Ignore Events: By Instance

            // audit.Configuration.IgnoreRelationshipAdded = true;

            // audit.Configuration.IgnoreRelationshipDeleted = true;

            context.SaveChanges(audit);

​

            // Access to all auditing information

            var entries = audit.Entries;

            FiddleHelper.WriteTable("All Entry",entries);

            foreach(var entry in entries)

            { 

                FiddleHelper.WriteTable("Properties for One Entry",entry.Properties);

            } 

        }

    }

​

    public static void GenerateData()

    {

        List<Invoice> list =  new List<Invoice>() {

            new Invoice() { Description = "Invoice_A", InvoiceItems = new List<InvoiceItem>() { new InvoiceItem() { Description = "Invoice_A_InvoiceItem_A" }}}} ;

        // BulkInsert: INCLUDE child entities

        using (var context = new EntityContext())

        {

            context.Invoices.AddRange(list);

            context.SaveChanges();

        }

    }

    public class EntityContext : DbContext

    {

        public EntityContext() 

        {

        }

​

        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)

        {

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

​

            base.OnConfiguring(optionsBuilder);

        }

        public DbSet<Invoice> Invoices { get; set; }

        public DbSet<InvoiceItem> InvoiceItems { get; set; }

    }

    public class Invoice

    {

        public int InvoiceID { get; set; }

        public string Description { get; set; }

        public List<InvoiceItem> InvoiceItems { get; set; }

    }

    public class InvoiceItem

    {

        public int InvoiceItemID { get; set; }

        public string Description { get; set; }

    }

}