cuipod/Chatter/Service/MessageService.cs

using Chatter.Models;
using Chatter.Repository;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Chatter.Service
{
    public interface IMessageService
    {
        IEnumerable<MessageModel> GetMessages();

        void AddMessage(PostModel msg);
    }


    internal class MessageService : IMessageService
    {
        public readonly IMessageRepository _repository;

        public MessageService(IMessageRepository repository)
        {
            _repository = repository;
        }

        public IEnumerable<MessageModel> GetMessages()
        {
            var messages = _repository.GetMessages();
            return messages.Select(x => new MessageModel()
            {
                CreateDate = x.CreateDate,
                Text = x.Text,
                User = x.User
            });
        }

        public void AddMessage(PostModel msg)
        {
            _repository.AddMessage(new Dto.MessageDto()
            {
                Text = msg.Text,
                User = null,
                CreateDate = DateTime.Now
            });
        }
    }
}