LANCommander/LANCommander.Server.Data/Models/Key.cs

using LANCommander.SDK.Enums;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Text.Json.Serialization;

namespace LANCommander.Server.Data.Models
{
    [Table("Keys")]
    public class Key : BaseModel
    {
        [MaxLength(255)]
        public string Value { get; set; }
        public Guid GameId { get; set; }
        [JsonIgnore]
        [ForeignKey(nameof(GameId))]
        [InverseProperty("Keys")]
        public Game Game { get; set; }
        public KeyAllocationMethod AllocationMethod { get; set; }
        [MaxLength(17)]
        public string? ClaimedByMacAddress { get; set; }
        [MaxLength(15)]
        public string? ClaimedByIpv4Address { get; set; }
        [MaxLength(255)]
        public string? ClaimedByComputerName { get; set; }
        public User? ClaimedByUser { get; set; }
        public DateTime? ClaimedOn { get; set; }

        public bool IsAllocated()
        {
            if (AllocationMethod == KeyAllocationMethod.MacAddress && !String.IsNullOrWhiteSpace(ClaimedByMacAddress))
                return true;

            if (AllocationMethod == KeyAllocationMethod.UserAccount && ClaimedByUser != null)
                return true;

            return false; 
        }
    }
}