btcpayserver/BTCPayServer/Extensions/UserExtensions.cs

using System;
using System.Linq;
using BTCPayServer.Data;
using BTCPayServer.Services.Invoices;
using Newtonsoft.Json.Linq;

namespace BTCPayServer
{
    public static class UserExtensions
    {
        public static MimeKit.MailboxAddress GetMailboxAddress(this ApplicationUser user)
        {
            if (user is null)
                throw new ArgumentNullException(nameof(user));
            var name = user.UserName ?? String.Empty;
            if (user.Email == user.UserName)
                name = String.Empty;
            return new MimeKit.MailboxAddress(name, user.Email);
        }
    }
}