toJson method
Implementation
Map<String, dynamic> toJson() {
final map = <String, dynamic>{};
map['_id'] = _id;
map['applier'] = _applierUser?.toJson();
map['reason'] = _reason;
map['applicationStatus'] = _applicationStatus?.convertEng;
map['duration'] = _durationList?.map((key, value) => MapEntry(key, DateFormat('yyyy-MM-dd').format(value))).cast<String, String>();
map['time'] = _mealTypeList?.map((v) => v.convertEngStr).cast<String>().toList();
return map;
}