annotations/Azaion.Common/DTO/Config/AnnotationConfig.cs

using Newtonsoft.Json;

namespace Azaion.Common.DTO.Config;

public class AnnotationConfig
{
    public List<DetectionClass> DetectionClasses { get; set; } = null!;

    [JsonIgnore]
    private Dictionary<int, DetectionClass>? _detectionClassesDict;

    [JsonIgnore]
    public Dictionary<int, DetectionClass> DetectionClassesDict
    {
        get
        {
            if (_detectionClassesDict != null)
                return _detectionClassesDict;

            var photoModes = Enum.GetValues(typeof(PhotoMode)).Cast<PhotoMode>().ToList();

            _detectionClassesDict = DetectionClasses.SelectMany(cls => photoModes.Select(mode => new DetectionClass
                {
                    Id = cls.Id,
                    Name = cls.Name,
                    Color = cls.Color,
                    ShortName = cls.ShortName,
                    PhotoMode = mode
                }))
                .ToDictionary(x => x.YoloId, x => x);
            return _detectionClassesDict;
        }
    }

    public string AnnotationsDbFile { get; set; } = null!;
}