BootstrapAdmin/Bootstrap.DataAccess.SQLite/Message.cs

58 lines
2.6 KiB
C#

using Longbow;
using Longbow.Cache;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Linq;
namespace Bootstrap.DataAccess.SQLite
{
/// <summary>
///
/// </summary>
public class Message : DataAccess.Message
{
/// <summary>
/// 所有有关userName所有消息列表
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
protected override IEnumerable<DataAccess.Message> RetrieveMessages(string userName)
{
var messageRet = CacheManager.GetOrAdd(RetrieveMessageDataKey, key =>
{
string sql = "select m.*, d.Name, ifnull(i.Code + u.Icon, '~/images/uploader/default.jpg'), u.DisplayName from [Messages] m left join Dicts d on m.Label = d.Code and d.Category = '消息标签' and d.Define = 0 left join Dicts i on i.Category = '头像地址' and i.Name = '头像路径' and i.Define = 0 inner join Users u on m.[From] = u.UserName where [To] = @UserName or [From] = @UserName order by m.SendTime desc";
List<Message> messages = new List<Message>();
DbCommand cmd = DbAccessManager.DBAccess.CreateCommand(CommandType.Text, sql);
cmd.Parameters.Add(DbAccessManager.DBAccess.CreateParameter("@UserName", userName));
using (DbDataReader reader = DbAccessManager.DBAccess.ExecuteReader(cmd))
{
while (reader.Read())
{
messages.Add(new Message()
{
Id = LgbConvert.ReadValue(reader[0], 0),
Title = (string)reader[1],
Content = (string)reader[2],
From = (string)reader[3],
To = (string)reader[4],
SendTime = LgbConvert.ReadValue(reader[5], DateTime.MinValue),
Status = (string)reader[6],
Mark = LgbConvert.ReadValue(reader[7], 0),
IsDelete = LgbConvert.ReadValue(reader[8], 0),
Label = (string)reader[9],
LabelName = LgbConvert.ReadValue(reader[10], string.Empty),
FromIcon = (string)reader[11],
FromDisplayName = (string)reader[12]
});
}
}
return messages;
});
return messageRet.OrderByDescending(n => n.SendTime);
}
}
}