✨ New service discovery system

DysonNetwork.Shared/Geometry/GeoService.cs

@@ -0,0 +1,58 @@
+using MaxMind.GeoIP2;
+using Microsoft.Extensions.Options;
+
+namespace DysonNetwork.Shared.Geometry;
+
+public class GeoIpOptions
+{
+    public string DatabasePath { get; set; } = null!;
+}
+
+public class GeoService(IOptions<GeoIpOptions> options)
+{
+    private readonly string _databasePath = options.Value.DatabasePath;
+    
+    public GeoPoint? GetPointFromIp(string? ipAddress)
+    {
+        if (string.IsNullOrEmpty(ipAddress))
+            return null;
+
+        try
+        {
+            using var reader = new DatabaseReader(_databasePath);
+            var city = reader.City(ipAddress);
+            
+            if (city?.Location is not { HasCoordinates: true })
+                return null;
+
+            return new GeoPoint()
+            {
+                City = city.City.Name,
+                Country = city.Country.Name,
+                CountryCode = city.Country.IsoCode,
+                Longitude = city.Location.Longitude,
+                Latitude = city.Location.Latitude,
+            };
+        }
+        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;
+        }
+    }
+}