fix

lib/domain/entities/zone.dart

@@ -1,5 +1,4 @@
 import 'dart:convert';
-
 import 'package:be_happy/domain/entities/point.dart';
 
 class Zone {
@@ -9,7 +8,10 @@ class Zone {
   final String type;
   final bool isActive;
   final String shapeType;
-  final List<Point> points;
+  // Трехмерная структура для поддержки MultiPolygon и дыр (holes):
+  // geometry[индекс_полигона][индекс_кольца][индекс_точки]
+  // индекс_кольца == 0 — внешняя граница, > 0 — внутренние вырезы (дыры)
+  final List<List<List<Point>>> geometry;
   final String speedLimit;
 
   Zone({
@@ -19,38 +21,84 @@ class Zone {
     required this.type,
     required this.isActive,
     required this.shapeType,
-    required this.points,
+    required this.geometry,
     required this.speedLimit,
   });
 
+  // Геттер для обратной совместимости (возвращает внешнее кольцо первого полигона)
+  List<Point> get points {
+    if (geometry.isNotEmpty && geometry[0].isNotEmpty) {
+      return geometry[0][0];
+    }
+    return [];
+  }
+
   factory Zone.fromJson(Map<String, dynamic> json) {
     final zoneCoordinates = json['coordinates'] as Map<String, dynamic>? ?? {};
     final String coordsString = zoneCoordinates['coordinates'] ?? '[]';
     final String shapeType = zoneCoordinates['type'] ?? 'Polygon';
 
-    List<Point> points = [];
+    List<List<List<Point>>> parsedGeometry = [];
 
     try {
       final dynamic decoded = jsonDecode(coordsString);
 
       if (decoded is List && decoded.isNotEmpty) {
-        List<dynamic> targetList = [];
-
         if (shapeType == 'Polygon') {
-          // У полигона структура [[[lat, lon], ...]] -> уходим на 1 уровень вглубь
-          targetList = decoded[0] as List<dynamic>;
-        } else {
-          // У LineString структура [[lat, lon], ...] -> используем как есть
-          targetList = decoded;
-        }
+          // Структура: [[[lon, lat], [lon, lat], ...], [hole1], ...]
+          List<List<Point>> polygonRings = [];
+          for (var ring in decoded) {
+            if (ring is List) {
+              List<Point> ringPoints = [];
+              for (var coord in ring) {
+                if (coord is List && coord.length >= 2) {
+                  // В GeoJSON сначала идет Longitude, затем Latitude
+                  ringPoints.add(Point(
+                    (coord[1] as num).toDouble(),
+                    (coord[0] as num).toDouble(),
+                  ));
+                }
+              }
+              if (ringPoints.isNotEmpty) polygonRings.add(ringPoints);
+            }
+          }
+          if (polygonRings.isNotEmpty) parsedGeometry.add(polygonRings);
 
-        points = targetList.map((item) {
-          final List<dynamic> coords = item as List<dynamic>;
-          return Point(
-            (coords[1] as num).toDouble(),
-            (coords[0] as num).toDouble(),
-          );
-        }).toList();
+        } else if (shapeType == 'MultiPolygon') {
+          // Структура: [[[[lon, lat], ...]], [[[lon, lat], ...]]]
+          for (var poly in decoded) {
+            if (poly is List) {
+              List<List<Point>> polygonRings = [];
+              for (var ring in poly) {
+                if (ring is List) {
+                  List<Point> ringPoints = [];
+                  for (var coord in ring) {
+                    if (coord is List && coord.length >= 2) {
+                      ringPoints.add(Point(
+                        (coord[1] as num).toDouble(),
+                        (coord[0] as num).toDouble(),
+                      ));
+                    }
+                  }
+                  if (ringPoints.isNotEmpty) polygonRings.add(ringPoints);
+                }
+              }
+              if (polygonRings.isNotEmpty) parsedGeometry.add(polygonRings);
+            }
+          }
+        } else {
+          // Fallback для LineString или плоских списков
+          List<Point> ringPoints = [];
+          for (var coord in decoded) {
+            if (coord is List && coord.length >= 2) {
+              ringPoints.add(Point(
+                (coord[1] as num).toDouble(),
+                (coord[0] as num).toDouble(),
+              ));
+            }
+          }
+          if (ringPoints.isNotEmpty) parsedGeometry.add([ringPoints]);
+        }
       }
     } catch (e) {
       print("PARSE ERROR for Zone ID ${json['id']}: $e");
@@ -64,11 +112,12 @@ class Zone {
       isActive: json['isActive'] ?? false,
       speedLimit: json['speedLimit'] ?? '',
       shapeType: shapeType,
-      points: points,
+      geometry: parsedGeometry,
     );
   }
+
   @override
   String toString() {
-    return 'Zone{id: $id, title: $title, type: $type, points: $points}';
+    return 'Zone{id: $id, title: $title, type: $type, polygonsCount: ${geometry.length}}';
   }
-}
+}