toMap method
Implementation
@override
Map<String, dynamic> toMap() {
return {
'closingDate': closingDate.toIso8601String(),
'id': id,
'title': title,
'initialQtCl': initialQtCl,
'finalQtCl': finalQtCl,
'articles': articles.map((e) => e.toMap()).toList(),
};
}