LaDOSE/LaDOSE.Src/LaDOSE.Service/Service/TodoService.cs

using System;
using System.Collections.Generic;
using System.Linq;
using LaDOSE.Business.Interface;
using LaDOSE.Entity;
using LaDOSE.Entity.Context;
using Microsoft.EntityFrameworkCore;

namespace LaDOSE.Business.Service
{
    public class TodoService : BaseService<Todo>, ITodoService
    {
        public TodoService(LaDOSEDbContext context) : base(context)
        {
        }

        public override bool Delete(int id)
        {
            try
            {
                var find = _context.Find<Todo>(id);
                if (find != null)
                {
                    if (find.Deleted.HasValue)
                        return false;
                    find.Deleted = DateTime.Now;
                }
                    
                this._context.SaveChanges();
                return true;
            }
            catch (DbUpdateException)
            {
                return false;
            }
        }

        public override IEnumerable<Todo> GetAll()
        {
            return _context.Set<Todo>().Where(e=>e.Deleted == null).ToList();
        }
    }
}