toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['id'] = id;
data['type'] = type;
data['highlightRate'] = highlightRate;
data['useStock'] = useStock;
if (categories != null) {
data['categories'] = categories!.map((v) => v.toJson()).toList();
}
if (brand != null) {
data['brand'] = brand!.toJson();
}
return data;
}