android/src/iOS.Extension/Models/LoginViewModel.cs

using System;
using System.Collections.Generic;
using System.Text;
using Bit.App.Models;

namespace Bit.iOS.Extension.Models
{
    public class LoginViewModel
    {
        private string _uri;
        private DomainName _domain = null;
        private bool _domainParsed = false;

        public LoginViewModel(Login login)
        {
            Id = login.Id;
            Name = login.Name?.Decrypt();
            Username = login.Username?.Decrypt();
            Password = login.Password?.Decrypt();
            Uri = login.Uri?.Decrypt();
        }

        public string Id { get; set; }
        public string Name { get; set; }
        public string Username { get; set; }
        public string Password { get; set; }
        public string Uri
        {
            get { return _uri; }
            set
            {
                _domainParsed = false;
                _uri = value;
            }
        }
        public string HostName
        {
            get
            {
                if(string.IsNullOrWhiteSpace(Uri))
                {
                    return null;
                }

                try
                {
                    return new Uri(Uri)?.Host;
                }
                catch
                {
                    return null;
                };
            }
        }

        public DomainName Domain
        {
            get
            {
                if(string.IsNullOrWhiteSpace(Uri))
                {
                    return null;
                }

                if(_domainParsed)
                {
                    return _domain;
                }

                _domainParsed = true;

                DomainName domain;
                if(DomainName.TryParse(HostName, out domain))
                {
                    _domain = domain;
                }

                return _domain;
            }
        }
    }
}