toJson method
Implementation
Map<String, dynamic> toJson() {
final _data = {
'id': id,
'pictures': pictures.map((e) => e.toJson()).toList(),
'owner_id': ownerId,
'created_at': createdAt,
'updated_at': updatedAt,
'expires_at': expiresAt,
'visibility': visibility,
...extraData,
};
_data.removeWhere((key, value) => value == null);
return _data;
}