mobile-app/lib/custom_model/action_form/RequestActivity.dart

class RequestActivity {
  int tbActivityTypeId;
  int tbCropId;
  int totalCost;
  String executeDate;
  String externalTable;
  String description;
  List<TbObjectUpdateDTOList> tbObjectUpdateDTOList;
  List<TbSuppliesUsingDetailsDTOs> tbSuppliesUsingDetailsDTOs;

  RequestActivity(
      {this.tbActivityTypeId,
      this.tbCropId,
      this.totalCost,
      this.executeDate,
      this.externalTable,
      this.description,
      this.tbObjectUpdateDTOList,
      this.tbSuppliesUsingDetailsDTOs});

  RequestActivity.fromJson(Map<String, dynamic> json) {
    tbActivityTypeId = json['tbActivityTypeId'];
    tbCropId = json['tbCropId'];
    totalCost = json['totalCost'];
    executeDate = json['executeDate'];
    externalTable = json['externalTable'];
    description = json['description'];
    if (json['tbObjectUpdateDTOList'] != null) {
      tbObjectUpdateDTOList = new List<TbObjectUpdateDTOList>();
      json['tbObjectUpdateDTOList'].forEach((v) {
        tbObjectUpdateDTOList.add(new TbObjectUpdateDTOList.fromJson(v));
      });
    }
    if (json['tbSuppliesUsingDetailsDTOs'] != null) {
      tbSuppliesUsingDetailsDTOs = new List<TbSuppliesUsingDetailsDTOs>();
      json['tbSuppliesUsingDetailsDTOs'].forEach((v) {
        tbSuppliesUsingDetailsDTOs
            .add(new TbSuppliesUsingDetailsDTOs.fromJson(v));
      });
    }
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['tbActivityTypeId'] = this.tbActivityTypeId;
    data['tbCropId'] = this.tbCropId;
    data['totalCost'] = this.totalCost;
    data['executeDate'] = this.executeDate;
    data['externalTable'] = this.externalTable;
    data['description'] = this.description;
    if (this.tbObjectUpdateDTOList != null) {
      data['tbObjectUpdateDTOList'] =
          this.tbObjectUpdateDTOList.map((v) => v.toJson()).toList();
    }
    if (this.tbSuppliesUsingDetailsDTOs != null) {
      data['tbSuppliesUsingDetailsDTOs'] =
          this.tbSuppliesUsingDetailsDTOs.map((v) => v.toJson()).toList();
    }
    return data;
  }
}

class TbObjectUpdateDTOList {
  int tbObjectParameterId;
  String index;

  TbObjectUpdateDTOList({this.tbObjectParameterId, this.index});

  TbObjectUpdateDTOList.fromJson(Map<String, dynamic> json) {
    tbObjectParameterId = json['tbObjectParameterId'];
    index = json['index'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['tbObjectParameterId'] = this.tbObjectParameterId;
    data['index'] = this.index;
    return data;
  }
}

class TbSuppliesUsingDetailsDTOs {
  int tbSuppliesInWarehouseId;
  String dosage;
  int quantity;
  int tbEquipmentOfCustomerId;
  String howToUse;

  TbSuppliesUsingDetailsDTOs(
      {this.tbSuppliesInWarehouseId,
      this.dosage,
      this.quantity,
      this.tbEquipmentOfCustomerId,
      this.howToUse});

  TbSuppliesUsingDetailsDTOs.fromJson(Map<String, dynamic> json) {
    tbSuppliesInWarehouseId = json['tbSuppliesInWarehouseId'];
    dosage = json['dosage'];
    quantity = json['quantity'];
    tbEquipmentOfCustomerId = json['tbEquipmentOfCustomerId'];
    howToUse = json['howToUse'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['tbSuppliesInWarehouseId'] = this.tbSuppliesInWarehouseId;
    data['dosage'] = this.dosage;
    data['quantity'] = this.quantity;
    data['tbEquipmentOfCustomerId'] = this.tbEquipmentOfCustomerId;
    data['howToUse'] = this.howToUse;
    return data;
  }
}