annotations/Azaion.Common/Database/Annotation.cs

using System.IO;
using System.Windows.Media;
using Azaion.Common.DTO;
using Azaion.Common.DTO.Queue;
using MessagePack;

namespace Azaion.Common.Database;

[MessagePackObject]
public class Annotation
{
    [Key("n")]     public string                 Name              { get; set; } = null!;
    [Key("hash")]  public string                 MediaHash         { get; set; } = null!;
    [Key("mn")] public string                    OriginalMediaName { get; set; } = null!;
    [IgnoreMember] public TimeSpan               Time              { get; set; }
    [IgnoreMember] public string                 ImageExtension    { get; set; } = null!;
    [IgnoreMember] public DateTime               CreatedDate       { get; set; }
    [IgnoreMember] public string                 CreatedEmail      { get; set; } = null!;
    [IgnoreMember] public RoleEnum               CreatedRole       { get; set; }
    [IgnoreMember] public SourceEnum             Source            { get; set; }
    [IgnoreMember] public AnnotationStatus       AnnotationStatus  { get; set; }

    [IgnoreMember] public DateTime               ValidateDate      { get; set; }
    [IgnoreMember] public string                 ValidateEmail     { get; set; } = null!;

    [Key("d")] public IEnumerable<Detection>    Detections        { get; set; } = null!;
    [Key("t")] public long                      Milliseconds      { get; set; }

    [Key("lat")]public double                   Lat               { get; set; }
    [Key("lon")]public double                   Lon               { get; set; }

    #region Calculated
    [IgnoreMember] public List<int>               Classes   => Detections.Select(x => x.ClassNumber).ToList();
    [IgnoreMember] public bool                    IsSplit   => Name.Contains(Constants.SPLIT_SUFFIX);

    private CanvasLabel? _splitTile;
    [IgnoreMember] public CanvasLabel?            SplitTile
    {
        get
        {
            if (!IsSplit)
                return null;
            if (_splitTile != null)
                return _splitTile;
            
            var startCoordIndex = Name.IndexOf(Constants.SPLIT_SUFFIX, StringComparison.Ordinal) + Constants.SPLIT_SUFFIX.Length;
            var coordsStr = Name.Substring(startCoordIndex, 14).Split('_');
            _splitTile = new CanvasLabel
            {
                Left = double.Parse(coordsStr[1]),
                Top = double.Parse(coordsStr[2]),
                Width = double.Parse(coordsStr[0]),
                Height = double.Parse(coordsStr[0])
            };
            return _splitTile;
        }
    }

    [IgnoreMember] public string                  TimeStr   => $"{Time:h\\:mm\\:ss}";
    #endregion Calculated
}

[MessagePackObject]
public class AnnotationImage : Annotation
{
    [Key("i")] public byte[] Image { get; set; } = null!;
}

public enum AnnotationStatus
{
    None = 0,
    Created = 10,
    Edited = 20,
    Validated = 30,
    Deleted = 40
}