shoc-backend/Data.SeaHavenIndustries/Models/TeamMemberInvite.cs

using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace Data.SeaHavenIndustries
{
    /// <summary>
    /// A single-use registration invite for one pending team member. Only hashes of
    /// the invite token and of the email confirmation code are stored.
    /// </summary>
    public class TeamMemberInvite
    {
        public int Id { get; set; }

        [Required]
        [MaxLength(450)]
        public string UserId { get; set; } = string.Empty;

        [ForeignKey(nameof(UserId))]
        public virtual ApplicationUser? User { get; set; }

        /// <summary>Lowercase hex SHA-256 of the raw invite token.</summary>
        [Required]
        [MaxLength(64)]
        public string TokenHash { get; set; } = string.Empty;

        public DateTime CreatedAt { get; set; }
        public DateTime ExpiresAt { get; set; }
        public DateTime? UsedAt { get; set; }
        public DateTime? RevokedAt { get; set; }

        /// <summary>Lowercase hex SHA-256 of the salt followed by the confirmation code.</summary>
        [MaxLength(64)]
        public string? CodeHash { get; set; }

        [MaxLength(32)]
        public string? CodeSalt { get; set; }

        public DateTime? CodeExpiresAt { get; set; }
        public int CodeFailedAttempts { get; set; }
        public DateTime? CodeSentAt { get; set; }
        public int CodeSendCount { get; set; }
        public DateTime? EmailConfirmedAt { get; set; }
    }
}