using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel.DataAnnotations.Schema;
using System.Data.Entity;
using System.Data.Entity.ModelConfiguration;

namespace ChatRoomServer.Db.Entities
{
	/// <summary>
	///用户连接日志
	///</summary>
	public class UserConnectLog
	{
		/// <summary>
		/// 记录ID
		/// </summary>
		public long Id { get; set; }

		/// <summary>
		/// 用户ID
		/// </summary>
		public string UserName { get; set; }

		/// <summary>
		/// 房间ID
		/// </summary>
		public string RoomID { get; set; }

		/// <summary>
		/// 连接时间
		/// </summary>
		public DateTime ConnectTime { get; set; }

		/// <summary>
		/// 断开时间
		/// </summary>
		public DateTime? DisconnectTime { get; set; }

		/// <summary>
		/// 连接的时间（秒）
		/// </summary>
		public int? ElapsedTime { get; set; }

	}

	/// <summary>
	/// 实体类 <see cref="UserConnectLog" /> 的配置对象
	/// </summary>
	internal class UserConnectLogConfiguration : EntityTypeConfiguration<UserConnectLog>
	{
		public UserConnectLogConfiguration()
		{
			ToTable("Chat_UserConnectLog");
			HasKey(m => m.Id);
			Property(s => s.Id).HasDatabaseGeneratedOption(DatabaseGeneratedOption.Identity);
			Property(s => s.UserName).HasMaxLength(100).IsRequired();
			Property(s => s.RoomID).HasMaxLength(100).IsRequired();
		}
	}
}