secure-sharing/MVCTemplate/Models/LinkModel.cs

using System;

namespace MVCTemplate.Models
{
    public class LinkModel
    {
        public string Link { get; set; }
        public MessageModel message { get; set; }
        public bool? Share { get; set; }
        public TimeSpan? TimeLeft { get; set; }

        public bool IsValid { get; set; }
    }
}