BootstrapAdmin/Bootstrap.DataAccess/Message.cs

159 lines
5.1 KiB
C#
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using System;
using System.Collections.Generic;
using System.Linq;
namespace Bootstrap.DataAccess
{
/// <summary>
///
/// </summary>
public class Message
{
/// <summary>
/// 消息主键 数据库自增
/// </summary>
public string Id { get; set; }
/// <summary>
/// 标题
/// </summary>
public string Title { get; set; }
/// <summary>
/// 内容
/// </summary>
public string Content { get; set; }
/// <summary>
/// 发消息人
/// </summary>
public string From { get; set; }
/// <summary>
/// 收消息人
/// </summary>
public string To { get; set; }
/// <summary>
/// 消息发送时间
/// </summary>
public DateTime SendTime { get; set; }
/// <summary>
/// 消息状态0-未读1-已读 和Dict表的通知消息关联
/// </summary>
public string Status { get; set; }
/// <summary>
/// 标旗状态0-未标旗1-已标旗
/// </summary>
public int Mark { get; set; }
/// <summary>
/// 删除状态0-未删除1-已删除
/// </summary>
public int IsDelete { get; set; }
/// <summary>
/// 消息标签0-一般1-紧要 和Dict表的消息标签关联
/// </summary>
public string Label { get; set; }
/// <summary>
/// 获得/设置 标签名称
/// </summary>
public string LabelName { get; set; }
/// <summary>
/// 获得/设置 时间描述 2分钟内为刚刚
/// </summary>
public string Period { get; set; }
/// <summary>
/// 获得/设置 发件人头像
/// </summary>
public string FromIcon { get; set; }
/// <summary>
/// 获得/设置 发件人昵称
/// </summary>
public string FromDisplayName { get; set; }
//TODO: SQL语句不兼容
/// <summary>
/// 所有有关userName所有消息列表
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
protected virtual IEnumerable<Message> Retrieves(string userName)
{
var db = DbManager.Create();
var t = db.Provider.EscapeSqlIdentifier("To");
var f = db.Provider.EscapeSqlIdentifier("From");
return db.Fetch<Message>($"select m.*, d.Name, u.DisplayName from [Messages] m left join Dicts d on m.Label = d.Code and d.Category = @Category and d.Define = 0 inner join Users u on m.{f} = u.UserName where {t} = @UserName or {f} = @UserName order by SendTime desc", new { UserName = userName, Category = "消息标签" });
}
/// <summary>
/// 收件箱
/// </summary>
/// <param name="userName"></param>
public virtual IEnumerable<Message> Inbox(string userName)
{
var messageRet = Retrieves(userName);
return messageRet.Where(n => n.To.Equals(userName, StringComparison.OrdinalIgnoreCase));
}
/// <summary>
/// 发件箱
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public virtual IEnumerable<Message> SendMail(string userName)
{
var messageRet = Retrieves(userName);
return messageRet.Where(n => n.From.Equals(userName, StringComparison.OrdinalIgnoreCase));
}
/// <summary>
/// 垃圾箱
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public virtual IEnumerable<Message> Trash(string userName)
{
var messageRet = Retrieves(userName);
return messageRet.Where(n => n.IsDelete == 1);
}
/// <summary>
/// 标旗
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public virtual IEnumerable<Message> Flag(string userName)
{
var messageRet = Retrieves(userName);
return messageRet.Where(n => n.Mark == 1);
}
/// <summary>
/// 获取Header处显示的消息列表
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public virtual IEnumerable<Message> RetrieveHeaders(string userName)
{
var messageRet = Inbox(userName);
messageRet.AsParallel().ForAll(n =>
{
var ts = DateTime.Now - n.SendTime;
if (ts.TotalMinutes < 5) n.Period = "刚刚";
else if (ts.Days > 0) n.Period = string.Format("{0}天", ts.Days);
else if (ts.Hours > 0) n.Period = string.Format("{0}小时", ts.Hours);
else if (ts.Minutes > 0) n.Period = string.Format("{0}分钟", ts.Minutes);
});
return messageRet;
}
}
}