toJson method
Converts the QueryModel to a JSON object.
This method can be used when making HTTP requests to convert the query model to a format that can be sent in the request.
It only includes the page and amount properties if they are not null
.
Implementation
@override
Map<String, dynamic> toJson() {
Map<String, dynamic> data = super.toJson();
if (storeId != null) data["storeId"] = storeId;
if (type != null) data["type"] = type.toString().split('.').last;
if (sort != null) data["sort"] = sort.toString().split('.').last;
return data;
}