using ce.autofac.extension;
using learun.util;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace learun.iapplication
{
	/// <summary>
	/// 版 本 EasyCode EC管理后台
	/// Copyright (c) 2019-present EC管理有限公司
	/// 创建人：tobin
	/// 日 期：2019.11.05
	/// 描 述：即时通讯消息内容
	/// </summary>
	public interface IMMsgIBLL : IBLL
	{
		#region 获取数据

		/// <summary>
		/// 获取列表数据(最近的10条聊天记录)
		/// </summary>
		/// <returns></returns>
		Task<IEnumerable<IMMsgEntity>> GetList(string sendUserId, string recvUserId);

		/// <summary>
		/// 获取列表数据(小于某个时间点的5条记录)
		/// </summary>
		/// <param name="myUserId">我的ID</param>
		/// <param name="otherUserId">对方的ID</param>
		/// <param name="time">时间</param>
		/// <returns></returns>
		Task<IEnumerable<IMMsgEntity>> GetListByTime(string myUserId, string otherUserId, DateTime time);

		/// <summary>
		/// 获取列表数据(大于某个时间的所有数据)
		/// </summary>
		/// <param name="myUserId">我的ID</param>
		/// <param name="otherUserId">对方的ID</param>
		/// <param name="time">时间</param>
		/// <returns></returns>
		Task<IEnumerable<IMMsgEntity>> GetListByTime2(string myUserId, string otherUserId, DateTime time);

		/// <summary>
		/// 获取列表分页数据
		/// </summary>
		/// <param name="pagination">分页参数</param>
		/// <param name="sendUserId"></param>
		/// <param name="recvUserId"></param>
		/// <param name="keyword"></param>
		/// <returns></returns>
		Task<IEnumerable<IMMsgEntity>> GetPageList(Pagination pagination, string sendUserId, string recvUserId, string keyword);

		#endregion 获取数据

		#region 提交数据

		/// <summary>
		/// 删除实体数据
		/// </summary>
		/// <param name="keyValue">主键</param>
		/// <returns></returns>
		Task DeleteEntity(string keyValue);

		/// <summary>
		/// 保存实体数据（新增）
		/// </summary>
		/// <param name="entity">实体</param>
		/// <returns></returns>
		Task SaveEntity(IMMsgEntity entity);

		#endregion 提交数据
	}
}