new project stable version

lib/domain/entities/zone.dart

@@ -0,0 +1,74 @@
+import 'dart:convert';
+
+import 'package:be_happy/domain/entities/point.dart';
+
+class Zone {
+  final int id;
+  final String title;
+  final String description;
+  final String type;
+  final bool isActive;
+  final String shapeType;
+  final List<Point> points;
+  final String speedLimit;
+
+  Zone({
+    required this.id,
+    required this.title,
+    required this.description,
+    required this.type,
+    required this.isActive,
+    required this.shapeType,
+    required this.points,
+    required this.speedLimit,
+  });
+
+  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 = [];
+
+    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;
+        }
+
+        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();
+      }
+    } catch (e) {
+      print("PARSE ERROR for Zone ID ${json['id']}: $e");
+    }
+
+    return Zone(
+      id: json['id'] ?? 0,
+      title: json['title'] ?? 'Unknown',
+      description: json['description'] ?? '',
+      type: json['type'] ?? '',
+      isActive: json['isActive'] ?? false,
+      speedLimit: json['speedLimit'] ?? '',
+      shapeType: shapeType,
+      points: points,
+    );
+  }
+  @override
+  String toString() {
+    return 'Zone{id: $id, title: $title, type: $type, points: $points}';
+  }
+}