import 'dart:convert'; class BillCycle { BillCycle({ required this.customerId, required this.day, required this.billDueDay, required this.graceDays, required this.frequency, }); int customerId; int day; int billDueDay; int graceDays; int frequency; factory BillCycle.fromJson(String str) => BillCycle.fromMap(json.decode(str)); factory BillCycle.fromMap(Map json) { BillCycle billCycle = BillCycle( customerId: json["customer_id"], day: json['day'], billDueDay: json['bill_due_day'], graceDays: json['grace_days'], frequency: json['frequency'], ); return billCycle; } }