TencentGeofence.fromMap constructor

Implementation

factory TencentGeofence.fromMap(Map map) {
  final type = GeofenceTypeCodec.fromWire(map['type'] as String?) ??
      GeofenceType.circle;

  final coord =
      CoordinateTypeCodec.fromWire(map['coordinateType'] as String?) ??
          CoordinateType.gcj02;

  final transitions = <GeofenceTransition>{};
  final rawTrans = map['monitorTransitions'];
  if (rawTrans is List) {
    for (final t in rawTrans) {
      final parsed = GeofenceTransitionCodec.fromWire(t as String?);
      if (parsed != null) transitions.add(parsed);
    }
  }

  Duration? durationFromMs(Object? raw) {
    if (raw is int) return Duration(milliseconds: raw);
    if (raw is num) return Duration(milliseconds: raw.toInt());
    return null;
  }

  Map<String, Object?>? userInfo;
  final rawInfo = map['userInfo'];
  if (rawInfo is Map) {
    userInfo = <String, Object?>{};
    rawInfo.forEach((k, v) {
      if (k is String) userInfo![k] = v;
    });
  }

  TencentLocationCoordinate? center;
  final rawCenter = map['center'];
  if (rawCenter is Map) center = TencentLocationCoordinate.fromMap(rawCenter);

  List<TencentLocationCoordinate>? polygon;
  final rawPoly = map['polygon'];
  if (rawPoly is List) {
    polygon = <TencentLocationCoordinate>[
      for (final v in rawPoly)
        if (v is Map) TencentLocationCoordinate.fromMap(v),
    ];
  }

  return TencentGeofence._(
    id: (map['id'] as String?) ?? '',
    type: type,
    coordinateType: coord,
    monitorTransitions: transitions.isEmpty
        ? const {GeofenceTransition.enter, GeofenceTransition.exit}
        : transitions,
    expiration: durationFromMs(map['expirationMs']),
    dwellDuration: durationFromMs(map['dwellDurationMs']),
    userInfo: userInfo,
    center: center,
    radius: (map['radius'] as num?)?.toDouble(),
    polygon: polygon,
    districtKeyword: map['districtKeyword'] as String?,
  );
}