messages.cs

一个即时通信工具

using System;
using System.Collections.Generic;
using System.Text;
using DAL;
using Model;

namespace BLL
{
    public class Messages
    {
        /// <summary>
        /// 设置消息状态
        /// </summary>
        /// <param name="messageId"></param>
        /// <param name="messageType"></param>
        public static void SetMessageState(int messageId, EnumMessageState messageState)
        {
            using (MessagesDAL dal = new MessagesDAL())
            {
                dal.Update(messageId,(int)messageState);
            }
        }

       

        ///// <summary>
        ///// 读取指定用户的消息
        ///// </summary>
        ///// <param name="id"></param>
        ///// <returns></returns>
        //public static MessagesInfo Select(int id)
        //{
        //    using (MessagesDAL dal = new MessagesDAL())
        //    {
        //        return dal.GetMyMessages(id);
        //    }
        //}

        /// <summary>
        /// 读取指定用户的所有消息(未读)
        /// </summary>
        /// <returns></returns>
        public static List<MessagesInfo> GetMyNotReadMessages(int hostId)
        {
            using (MessagesDAL dal = new MessagesDAL())
            {
                return dal.GetMyNotReadMessages(hostId);
            }
        }

 /// <summary>
        /// 读取指定用户的所有消息(未读)
        /// </summary>
        /// <returns></returns>
         public static List<MessagesInfo> GetMyNotReadMessages(int hostId,EnumMessageType messageType)
        {
            using (MessagesDAL dal = new MessagesDAL())
            {
                return dal.GetMyNotReadMessages(hostId, messageType);
            }
        }

        /// <summary>
        /// 发送消息记录
        /// </summary>
        /// <param name="entity"></param>
        public static void SendMessage(MessagesInfo entity)
        {
            using (MessagesDAL dal = new MessagesDAL())
            {
                dal.Insert(entity);
            }
        }

        /// <summary>
        /// 发送消息记录
        /// </summary>
        /// <param name="entity"></param>
        public static void SendMessage(MessagesInfo entity, EnumMessageType messageType)
        {
            entity.MessageType = new MessageTypeInfo((int)messageType);
            using (MessagesDAL dal = new MessagesDAL())
            {
                dal.Insert(entity);
            }
        }

    }
}