other.dart

import 'dart:core';

class OrderType {
  final String value;
  final String typeName;

  const OrderType(this.typeName, this.value);

  static const OrderType willPay = OrderType("payment", "10");
  static const OrderType willSend = OrderType("delivered", "20");
  static const OrderType willReceive = OrderType("received", "30");
  static const OrderType willEvaluation = OrderType("comment", "40");
  static const OrderType timeout = OrderType("expire", "40");
  static const OrderType all = OrderType("all", "");
  static const OrderType unknown = OrderType("unknown", "");

  factory OrderType.fromLive(int index) {
    switch (index) {
      case 0:
        return willPay;
      case 1:
        return willSend;
      case 2:
        return willReceive;
      case 3:
        return timeout;
      default:
        return unknown;
    }
  }

  factory OrderType.fromIndex(int index) {
    switch (index) {
      case 0:
        return all;
      case 1:
        return willPay;
      case 2:
        return willSend;
      case 3:
        return willReceive;
      case 4:
        return willEvaluation;
      default:
        return unknown;
    }
  }
}

class GoodsType {
  final String value;

  const GoodsType(this.value);

  static const GoodsType self = GoodsType("1");
  static const GoodsType live = GoodsType("2");
}