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Infrastructure as a service (IaaS) is an instant computing infrastructure, provisioned and managed over the internet. It’s one of the four types of cloud services, along with software as a service (SaaS), platform as a service (PaaS), and serverless

    public class TestViewModel
    {
        private readonly ITestService _testService;
        public TestViewModel(ITestService testService) //تزریق وابستگی در سازنده کلاس
        {
            _testService = testService;
        }

namespace DI07.Services
{
    public interface ITestService
    {
        string Test();
    }
}

namespace DI07.Services
{
    public class TestService: ITestService
    {
        public string Test()
        {
            return "برای آزمایش";
        }
    }
}

namespace DI07.Core
{
    public interface IViewModel // از این اینترفیس خالی برای یافتن و علامتگذاری ویوو مدل‌ها استفاده می‌کنیم
    {
    }
}

using DI07.Services;
using DI07.Core;

namespace DI07.ViewModels
{
    public class TestViewModel : IViewModel // علامتگذاری ویوو مدل
    {
        private readonly ITestService _testService;
        public TestViewModel(ITestService testService) //تزریق وابستگی در سازنده کلاس
        {
            _testService = testService;
        }

        public string Data
        {
            get { return _testService.Test(); }
        }
    }
}

using System.Windows;
using DI07.Core;
using DI07.Services;
using StructureMap;

namespace DI07
{
    public partial class App
    {
        protected override void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);

            ObjectFactory.Configure(cfg =>
            {
                cfg.For<ITestService>().Use<TestService>();

                cfg.Scan(scan =>
                {
                    scan.TheCallingAssembly();
                    // Add all types that implement IView into the container, 
                    // and name each specific type by the short type name.
                    scan.AddAllTypesOf<IViewModel>().NameBy(type => type.Name);
                    scan.WithDefaultConventions();
                });
            });
        }
    }
}

using System.Windows.Controls;
using StructureMap;

namespace DI07.Core
{
    /// <summary>
    /// Stitches together a view and its view-model
    /// </summary>
    public static class ViewModelFactory
    {
        public static void WireUp(this ContentControl control)
        {
            var viewName = control.GetType().Name;
            var viewModelName = string.Concat(viewName, "Model"); //قرار داد نامگذاری ما است
            control.Loaded += (s, e) =>
            {
                control.DataContext = ObjectFactory.GetNamedInstance<IViewModel>(viewModelName);
            };
        }
    }
}

<UserControl x:Class="DI07.Views.TestView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             mc:Ignorable="d" 
             d:DesignHeight="300" d:DesignWidth="300">
    <Grid>
        <TextBlock Text="{Binding Data}" />
    </Grid>
</UserControl>


<Window x:Class="DI07.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:Views="clr-namespace:DI07.Views"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <Views:TestView />
    </Grid>
</Window>

using DI07.Core;

namespace DI07.Views
{
    public partial class TestView
    {
        public TestView()
        {
            InitializeComponent();
            this.WireUp(); //تزریق خودکار وابستگی‌ها و یافتن ویوو مدل متناظر
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Data;
using ContosoUniversity.Models;

namespace ContosoUniversity.DAL
{
    public class StudentRepository : IStudentRepository, IDisposable
    {
        private SchoolContext context;

        public StudentRepository(SchoolContext context)
        {
            this.context = context;
        }

        public IEnumerable<Student> GetStudents()
        {
            return context.Students.ToList();
        }

        public Student GetStudentByID(int id)
        {
            return context.Students.Find(id);
        }

        //<snip>
        public void Save()
        {
            context.SaveChanges();
        }
    }
}

public class CustomerRepository : Repository < Customer > {
  public CustomerRepository(DbContext context){
    //a property on the base class
    this.DB = context;
  }

  //base class has Add/Save/Remove/Get/Fetch
}

public class TransactOrderCommand {
  public Customer NewCustomer {get;set;}
  public Customer ExistingCustomer {get;set;}
  public List<Product> Cart {get;set;}
  //all the parameters we need, as properties...
  //...

  //our UnitOfWork
  StoreContext _context;
  public TransactOrderCommand(StoreContext context){
    //allow it to be injected - though that's only for testing
    _context = context;
  }

  public Order Execute(){
    //allow for mocking and passing in... otherwise new it up
    _context = _context ?? new StoreContext();

    //add products to a new order, assign the customer, etc
    //then...
    _context.SubmitChanges();

    return newOrder;
  }
}

using System;
using System.Web.Mvc;

namespace Web.Controllers
{
  public class DataController : Controller
  {
    protected StoreContext _context;

    protected override void OnActionExecuting(ActionExecutingContext filterContext)
    {
      //make sure your DB context is globally accessible
      MyApp.StoreDB = new StoreDB();
    }

    protected override void OnActionExecuted(ActionExecutedContext filterContext)
    {
      MyApp.StoreDB.SubmitChanges();
    }
  }
}