20. 입금 기능 만들기

0. 작업 순서

1. account/deposit.jsp 파일 생성
2. DepositDTO 파일 생성
3. 입금 기능 만들어 보기
4. 전체 코드 확인 하기
5. 오류 테스트 확인 하기

생성 될 파일 확인

 

결과 화면 미리 보기

1. 생성된 파일 확인

deposit.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!-- header.jsp -->
<%@ include file="/WEB-INF/view/layout/header.jsp"%>

<!-- start of context.jsp(xxx.jsp) -->
<div class="col-sm-8">
	<h2>입금 요청(인증)</h2>
	<h5>Bank App에 오신걸 환영합니다.</h5>

	<form action="/account/deposit" method="post">
		<div class="form-group">
			<label for="amount">입금 금액:</label> <input type="number" class="form-control" placeholder="Enter amount" id="amount" name="amount" value="1000">
		</div>
		<div class="form-group">
			<label for="dAccountNumber">입금 계좌 번호:</label> <input type="text" class="form-control" placeholder="Enter account number" id="dAccountNumber" name="dAccountNumber" value="1111">
		</div>
		<div class="text-right">
			<button type="submit" class="btn btn-primary">입금</button>
		</div>
	</form>

</div>
<!-- end of col-sm-8 -->
</div>
</div>
<!-- end of context.jsp(xxx.jsp) -->

<!-- footer.jsp -->
<%@ include file="/WEB-INF/view/layout/footer.jsp"%>

DepositDTO

package com.tenco.bank.dto;

import lombok.Data;

@Data
public class DepositDTO {
	
	private Long amount; 
	private String dAccountNumber; 
}

AccountController

@GetMapping("/deposit")
public String depositPage() {
    User principal = (User) session.getAttribute(Define.PRINCIPAL);
    if (principal == null) {
        throw new UnAuthorizedException(Define.NOT_AN_AUTHENTICATED_USER, HttpStatus.UNAUTHORIZED);
    }
    return "account/deposit";
}

@PostMapping("/deposit")
public String depositProc(DepositDTO dto) {
    User principal = (User) session.getAttribute(Define.PRINCIPAL);
    if (principal == null) {
        throw new UnAuthorizedException(Define.NOT_AN_AUTHENTICATED_USER, HttpStatus.UNAUTHORIZED);
    }
    if (dto.getAmount() == null) {
        throw new DataDeliveryException(Define.ENTER_YOUR_BALANCE, HttpStatus.BAD_REQUEST);
    }
    if (dto.getAmount().longValue() <= 0) {
        throw new DataDeliveryException(Define.D_BALANCE_VALUE, HttpStatus.BAD_REQUEST);
    }
    if (dto.getDAccountNumber() == null || dto.getDAccountNumber().trim().isEmpty()) {
        throw new DataDeliveryException(Define.ENTER_YOUR_ACCOUNT_NUMBER, HttpStatus.BAD_REQUEST);
    }
    accountService.updateAccountDeposit(dto, principal.getId());
    return "redirect:/account/list";
}

AccountService

// 1. 계좌 존재 여부를 확인
// 2. 본인 계좌 여부를 확인 -- 객체 상태값에서 비교
// 3. 입금 처리 -- update
// 4. 거래 내역 등록 -- insert(history)
@Transactional
public void updateAccountDeposit(DepositDTO dto, Integer principalId) {
    // 1.
    Account accountEntity = accountRepository.findByNumber(dto.getDAccountNumber());
    if (accountEntity == null) {
        throw new DataDeliveryException(Define.NOT_EXIST_ACCOUNT, HttpStatus.BAD_REQUEST);
    }
    // 2.
    accountEntity.checkOwner(principalId);
    // 3.
    accountEntity.deposit(dto.getAmount());
    accountRepository.updateById(accountEntity);
    // 4.
    History history = History.builder()
        .amount(dto.getAmount())
        .dAccountId(accountEntity.getId())
        .dBalance(accountEntity.getBalance())
        .wAccountId(null)
        .wBalance(null)
        .build();
    int rowResultCount = historyRepository.insert(history);
    if (rowResultCount != 1) {
        throw new DataDeliveryException(Define.FAILED_PROCESSING, HttpStatus.INTERNAL_SERVER_ERROR);
    }
}

account.xml

<update id="updateById">
    update account_tb set number = #{number}, password = #{password},
        balance = #{balance}, user_id = #{userId} where id = #{id}
</update>