✨ Action logs

DysonNetwork.Sphere/Connection/GeoIpService.cs

@@ -0,0 +1,56 @@
+using MaxMind.GeoIP2;
+using NetTopologySuite.Geometries;
+using Microsoft.Extensions.Options;
+using Point = NetTopologySuite.Geometries.Point;
+
+namespace DysonNetwork.Sphere.Connection;
+
+public class GeoIpOptions
+{
+    public string DatabasePath { get; set; } = null!;
+}
+
+public class GeoIpService(IOptions<GeoIpOptions> options)
+{
+    private readonly string _databasePath = options.Value.DatabasePath;
+    private readonly GeometryFactory _geometryFactory = new(new PrecisionModel(), 4326); // 4326 is the SRID for WGS84
+    
+    public Point? GetPointFromIp(string? ipAddress)
+    {
+        if (string.IsNullOrEmpty(ipAddress))
+            return null;
+
+        try
+        {
+            using var reader = new DatabaseReader(_databasePath);
+            var city = reader.City(ipAddress);
+            
+            if (city?.Location == null || !city.Location.HasCoordinates)
+                return null;
+
+            return _geometryFactory.CreatePoint(new Coordinate(
+                city.Location.Longitude ?? 0,
+                city.Location.Latitude ?? 0));
+        }
+        catch (Exception)
+        {
+            return null;
+        }
+    }
+    
+    public MaxMind.GeoIP2.Responses.CityResponse? GetFromIp(string? ipAddress)
+    {
+        if (string.IsNullOrEmpty(ipAddress))
+            return null;
+    
+        try
+        {
+            using var reader = new DatabaseReader(_databasePath);
+            return reader.City(ipAddress);
+        }
+        catch (Exception)
+        {
+            return null;
+        }
+    }
+}