annotations/Azaion.Common/DTO/GpsCsvResult.cs

namespace Azaion.Common.DTO;
using System.Collections.Generic;
using System.IO;

public class GpsCsvResult
{
    public string Image { get; set; }
    public double Latitude { get; set; }
    public double Longitude { get; set; }
    public int Keypoints { get; set; }
    public int Rotation { get; set; }
    public string MatchType { get; set; }

    public static List<GpsCsvResult> ReadFromCsv(string csvFilePath)
    {
        var imageDatas = new List<GpsCsvResult>();

        using var reader = new StreamReader(csvFilePath);
        //read header
        reader.ReadLine();
        if (reader.EndOfStream)
            return new List<GpsCsvResult>();

        while (!reader.EndOfStream)
        {
            var line = reader.ReadLine();
            if (string.IsNullOrWhiteSpace(line))
                continue;
            var values = line.Split(',');
            if (values.Length == 6)
            {
                imageDatas.Add(new GpsCsvResult
                {
                    Image = GetFilename(values[0]),
                    Latitude = double.Parse(values[1]),
                    Longitude = double.Parse(values[2]),
                    Keypoints = int.Parse(values[3]),
                    Rotation = int.Parse(values[4]),
                    MatchType = values[5]
                });
            }
        }

        return imageDatas;
    }

    private static string GetFilename(string imagePath) =>
        Path.GetFileNameWithoutExtension(imagePath)
            .Replace("-small", "");
}