using HuanMeng.DotNetCore.Base;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HuanMeng.MiaoYu.Code.Chat
{
    /// <summary>
    /// 聊天类
    /// </summary>
    public class ChatBLL : MiaoYuBase
    {
        public ChatBLL(IServiceProvider serviceProvider) : base(serviceProvider)
        {

        }
        /// <summary>
        /// 删除聊天记录
        /// </summary>
        /// <param name="id">聊天id</param>
        /// <param name="characterId"></param>
        /// <returns></returns>
        public async Task<bool> DelChatByIds(List<int> id,int characterId)
        {
            var chatsToDelete = Dao.daoDbMiaoYu.context.T_Chat.Where(t => id.Contains(t.Id)).ToList();
            if (chatsToDelete.Count <= 0)
            {
                throw new Exception("");
            }
            var chatList = chatsToDelete.Where(t => t.UserId == _UserId && t.CharacterId == characterId && t.IsDel == false).ToList();
            Dao.daoDbMiaoYu.context.T_Chat.RemoveRange(chatList);
            Dao.daoDbMiaoYu.context.SaveChanges();
            return true;
        }
    }
}