cleanup selection_utilisateur geo_json

app/services/geojson_service.rb

@@ -36,4 +36,21 @@ class GeojsonService
 
     polygon.to_json
   end
+
+  def self.to_json_polygon_for_selection_utilisateur(coordinates)
+    coordinates = coordinates.map do |lat_longs|
+      outbounds = lat_longs.map do |lat_long|
+        [lat_long['lng'], lat_long['lat']]
+      end
+
+      [outbounds]
+    end
+
+    polygon = {
+      type: 'MultiPolygon',
+      coordinates: coordinates
+    }
+
+    polygon.to_json
+  end
 end