using Company.Domain;
using Company.DTO;
using System;
using System.Collections.Generic;

namespace Company.DTO
{
    public class Task
    {
        public int Id { get; set; }
        public string Name { get; set; }
    }
}

namespace Company.DataAccess
{
    public class Tasks
    {
        public static List<Task> Get()
        {
            //ADO.Net code
            return new List<Task>(new Task() { Name = "Task 01" });
        }
    }
}
namespace Company.Domain
{
    public class TaskManager
    {
        ITaskDataContext _taskDataContext;

        public TaskManager() : this(new TaskDataContext()) { }

        public TaskManager(ITaskDataContext taskDataContext) { _taskDataContext = taskDataContext; }

        public IEnumerable<Task> Get()
        {
            IEnumerable<Task> tasks = _taskDataContext.Get();
            return tasks;
        }
    }
    public interface ITaskDataContext
    {
        IEnumerable<Task> Get();
    }
    public class TaskDataContext : ITaskDataContext
    {
        public IEnumerable<Task> Get()
        {
            IEnumerable<Task> tasks = Company.DataAccess.Get();

            return tasks;
        }
    }
}
namespace Comapny.UI
{
    public class Program
    {
        static void Main(string[] args)
        {
            TaskManager taskManager = new TaskManager();
            List<Task> tasks = taskManager.Get().ToList();

            //Display task names
            tasks.ForEach(t => Console.WriteLine("Task name: {0}", t.Name));
        }
    }
}