getProducers method
Implementation
Future<BuiltList<Producer>> getProducers(
{String? query, String? orderBy, String? sort, int page = 1}) async {
var url = '/producers?page=$page';
if (query != null) url += '&q=$query';
if (orderBy != null) url += '&order_by=$orderBy';
if (sort != null) url += '&sort=$sort';
var response = await _getResponse(url);
final producers = response['data'] ?? [];
return BuiltList(producers.map((i) => Producer.fromJson(i)));
}