annotations/Azaion.Annotator/DTO/AnnotationResult.cs

using System.Windows.Media;
using Newtonsoft.Json;

namespace Azaion.Annotator.DTO;

public class AnnotationResult
{
    private readonly Config _config = null!;

    [JsonProperty(PropertyName = "f")]
    public string   Image   { get; set; } = null!;

    [JsonProperty(PropertyName = "t")]
    public TimeSpan Time                   { get; set; }

    public double   Lat                    { get; set; }
    public double   Lon                    { get; set; }
    public List<Detection> Detections      { get; set; } = new();

    #region For Display in the grid

    [JsonIgnore]
    //For XAML Form
    public string TimeStr => $"{Time:h\\:mm\\:ss}";

    [JsonIgnore]
    //For XAML Form
    public string ClassName
    {
        get
        {
            if (Detections.Count == 0)
                return "";

            var groups = Detections.Select(x => x.ClassNumber).GroupBy(x => x).ToList();
            return groups.Count > 1
                ? string.Join(",", groups.Select(x => x.Key + 1))
                : _config.AnnotationClassesDict[groups.FirstOrDefault().Key].Name;
        }
    }

    [JsonIgnore]
    //For XAML Form
    public Color ClassColor
    {
        get
        {
            var defaultColor = (Color)ColorConverter.ConvertFromString("#404040");
            if (Detections.Count == 0)
                return defaultColor;

            var groups = Detections.Select(x => x.ClassNumber).GroupBy(x => x).ToList();

            return groups.Count > 1
                ? defaultColor
                : _config.AnnotationClassesDict[groups.FirstOrDefault().Key].Color;
        }
    }


    #endregion
    
    public AnnotationResult() { }
    public AnnotationResult(TimeSpan time, string timeName, List<Detection> detections, Config config)
    {
        _config = config;
        Detections = detections;
        Time = time;
        Image = $"{timeName}.jpg";
    }
}