add gps matcher service

2026-04-22 12:56:30 +00:00 · 2025-04-14 09:50:34 +03:00
parent 36b3bf1712
commit ca1682a86e
26 changed files with 759 additions and 119 deletions
@@ -0,0 +1,73 @@
+using System.Diagnostics;
+using System.IO;
+using Azaion.Common.DTO;
+using Azaion.Common.DTO.Config;
+using Azaion.CommonSecurity;
+using Microsoft.Extensions.Options;
+
+namespace Azaion.Common.Services;
+
+public interface IGpsMatcherService
+{
+    Task RunGpsMatching(string userRouteDir, double initialLatitude, double initialLongitude, Func<GpsMatchResult, Task> processResult, CancellationToken detectToken = default);
+    void StopGpsMatching();
+}
+
+public class GpsMatcherService(IGpsMatcherClient gpsMatcherClient, ISatelliteDownloader satelliteTileDownloader, IOptions<DirectoriesConfig> dirConfig) : IGpsMatcherService
+{
+    private const int ZOOM_LEVEL = 18;
+    private const int POINTS_COUNT = 10;
+    private const int DISTANCE_BETWEEN_POINTS_M = 100;
+    private const double SATELLITE_RADIUS_M = DISTANCE_BETWEEN_POINTS_M * (POINTS_COUNT + 1);
+
+    public async Task RunGpsMatching(string userRouteDir, double initialLatitude, double initialLongitude, Func<GpsMatchResult, Task> processResult, CancellationToken detectToken = default)
+    {
+        var currentLat = initialLatitude;
+        var currentLon = initialLongitude;
+
+        var routeDir = Path.Combine(SecurityConstants.EXTERNAL_GPS_DENIED_FOLDER, dirConfig.Value.GpsRouteDirectory);
+        if (Directory.Exists(routeDir))
+             Directory.Delete(routeDir, true);
+        Directory.CreateDirectory(routeDir);
+
+        var routeFiles = new List<string>();
+        foreach (var file in Directory.GetFiles(userRouteDir))
+        {
+            routeFiles.Add(file);
+            File.Copy(file, Path.Combine(routeDir, Path.GetFileName(file)));
+        }
+
+        var indexOffset = 0;
+        while (routeFiles.Any())
+        {
+            await satelliteTileDownloader.GetTiles(currentLat, currentLon, SATELLITE_RADIUS_M, ZOOM_LEVEL, detectToken);
+            gpsMatcherClient.StartMatching(new StartMatchingEvent
+            {
+                ImagesCount = POINTS_COUNT,
+                Latitude = initialLatitude,
+                Longitude = initialLongitude,
+                SatelliteImagesDir = dirConfig.Value.GpsSatDirectory,
+                RouteDir = dirConfig.Value.GpsRouteDirectory
+            });
+
+            while (true)
+            {
+                var result = gpsMatcherClient.GetResult();
+                if (result == null)
+                    break;
+                result.Index += indexOffset;
+                await processResult(result);
+                currentLat = result.Latitude;
+                currentLon = result.Longitude;
+                routeFiles.RemoveAt(0);
+            }
+            indexOffset += POINTS_COUNT;
+        }
+    }
+
+    public void StopGpsMatching()
+    {
+        gpsMatcherClient.Stop();
+    }
+}
+