Transaction.js

import SuccessTransaction from './SuccessTransaction';
import FailTransaction from './FailTransaction';
import PendingTransaction from './PendingTransaction';

class Transaction {
  constructor(transaction) {
    this.id = transaction.id;
    this.transactionStatusDelegate = this.getTransactionStatusDelegate(transaction);
  }
  
  getTransactionStatusDelegate(transaction) {
    switch (transaction.status) {
      case 'SUCCESS':
        return new SuccessTransaction(transaction);
      case 'FAIL':
        return new FailTransaction(transaction);
      case 'PENDING':
        return new PendingTransaction(transaction);
      default:
        throw new Error(`Have no transaction status: ${transaction.status}`);
    }
  }
}

export default Transaction;