[FEAT] 출금하기

src/main/java/com/fav/daengnyang/domain/account/controller/AccountController.java

@@ -5,13 +5,15 @@
 import com.fav.daengnyang.domain.account.service.dto.request.AccountCreateColorRequest;
 import com.fav.daengnyang.domain.account.service.dto.request.AccountCreateRequest;
 import com.fav.daengnyang.domain.account.service.dto.request.ColorUpdateRequest;
+import com.fav.daengnyang.domain.account.service.dto.request.TransferRequest;
 import com.fav.daengnyang.domain.account.service.dto.response.AccountCreateColorResponse;
 import com.fav.daengnyang.domain.account.service.dto.response.AccountCreateResponse;
 import com.fav.daengnyang.domain.account.service.dto.response.AccountInfoResponse;
 import com.fav.daengnyang.domain.account.service.dto.response.AccountResponse;
 import com.fav.daengnyang.domain.targetDetail.service.dto.response.AccountHistoryResponse;
 import com.fav.daengnyang.global.auth.dto.MemberPrincipal;
 import com.fav.daengnyang.global.web.dto.response.SuccessResponse;
+import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
@@ -62,6 +64,13 @@ public ResponseEntity<SuccessResponse<AccountInfoResponse>> getAccountInfo(
         AccountInfoResponse response = accountService.getAccountInfo(memberPrincipal.getMemberId(), memberPrincipal.getUserKey());
         return ResponseEntity.ok(SuccessResponse.ok(response));
     }
+
+    @PostMapping("/transfer")
+    public SuccessResponse<?> getAccountTransfer(@AuthenticationPrincipal MemberPrincipal memberPrincipal, @Valid @RequestBody TransferRequest transferRequest) {
+        accountService.transferMoney(memberPrincipal, transferRequest);
+        return SuccessResponse.ok();
+    }
+
     @PatchMapping("/create-color")
     public ResponseEntity<SuccessResponse<AccountCreateColorResponse>> updateAccountColor(
             @AuthenticationPrincipal MemberPrincipal memberPrincipal,

src/main/java/com/fav/daengnyang/domain/account/service/AccountService.java

@@ -9,13 +9,16 @@
 import com.fav.daengnyang.domain.account.repository.AccountRepository;
 import com.fav.daengnyang.domain.account.service.dto.request.AccountCreateColorRequest;
 import com.fav.daengnyang.domain.account.service.dto.request.AccountCreateRequest;
+import com.fav.daengnyang.domain.account.service.dto.request.TransferHeaderRequest;
+import com.fav.daengnyang.domain.account.service.dto.request.TransferRequest;
 import com.fav.daengnyang.domain.account.service.dto.response.AccountCreateColorResponse;
 import com.fav.daengnyang.domain.account.service.dto.response.AccountCreateResponse;
 import com.fav.daengnyang.domain.account.service.dto.response.AccountInfoResponse;
 import com.fav.daengnyang.domain.account.service.dto.response.AccountResponse;
 import com.fav.daengnyang.domain.member.entity.Member;
 import com.fav.daengnyang.domain.member.repository.MemberRepository;
 import com.fav.daengnyang.domain.targetDetail.service.dto.response.AccountHistoryResponse;
+import com.fav.daengnyang.global.auth.dto.MemberPrincipal;
 import com.fav.daengnyang.global.exception.CustomException;
 import com.fav.daengnyang.global.exception.ErrorCode;
 import com.fav.daengnyang.global.web.dto.response.TransactionUtil;
@@ -126,6 +129,38 @@ public AccountResponse updateAccountColor(Long memberId, String newColor) {
                 .build();
     }
 
+    // 출금하기
+    public void transferMoney(MemberPrincipal memberPrincipal, TransferRequest transferRequest) {
+        // 1. 금융 API 호출
+        callTransferMoney(memberPrincipal.getMemberId(), memberPrincipal.getUserKey(), transferRequest);
+    }
+
+    private void callTransferMoney(Long memberId, String userKey, TransferRequest transferRequest) {
+        //0. 계좌 번호
+        Member member = memberRepository.findByMemberId(memberId)
+                .orElseThrow(() -> new CustomException(ErrorCode.USER_NOT_FOUND));
+
+        //1. body 객체 생성
+        TransferHeaderRequest header = TransferHeaderRequest
+                .createTransferHeaderRequest(apiKey, userKey);
+        HashMap<String, Object> body = new HashMap<>();
+        body.put("Header", header);
+        body.put("accountNo", member.getDepositAccount());
+        body.put("transactionBalance", transferRequest.getAmount());
+        body.put("transferSummary", "출금");
+
+        // 2. HttpHeaders 설정
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_JSON);
+
+        // 3. HttpEntity 객체 생성
+        HttpEntity<Map<String, Object>> requestEntity = new HttpEntity<>(body, headers);
+
+        // 4. 외부 API 호출
+        String url = "/edu/demandDeposit/updateDemandDepositAccountWithdrawal";
+        ResponseEntity<String> response = restTemplate.postForEntity(url, requestEntity, String.class);
+    }
+
     // 외부 금융 API 호출 (계좌 생성)
     private String callCreateAccountApi(AccountCreateRequest request, String userKey) throws JsonProcessingException {
         LocalDateTime now = LocalDateTime.now();

src/main/java/com/fav/daengnyang/domain/account/service/dto/request/TransferHeaderRequest.java

@@ -0,0 +1,58 @@
+package com.fav.daengnyang.domain.account.service.dto.request;
+
+import com.fav.daengnyang.global.web.dto.response.TransactionUtil;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class TransferHeaderRequest {
+    private String apiName;
+    private String transmissionDate;
+    private String transmissionTime;
+    private String institutionCode;
+    private String fintechAppNo;
+    private String apiServiceCode;
+    private String institutionTransactionUniqueNo;
+    private String apiKey;
+    private String userKey;
+
+    @Builder
+    private TransferHeaderRequest(String apiName, String transmissionDate, String transmissionTime,
+                                  String institutionCode, String fintechAppNo, String institutionTransactionUniqueNo, String apiServiceCode,
+                                  String apiKey, String userKey) {
+        this.apiName = apiName;
+        this.transmissionDate = transmissionDate;
+        this.transmissionTime = transmissionTime;
+        this.institutionCode = institutionCode;
+        this.fintechAppNo = fintechAppNo;
+        this.apiServiceCode = apiServiceCode;
+        this.institutionTransactionUniqueNo = institutionTransactionUniqueNo;
+        this.apiKey = apiKey;
+        this.userKey = userKey;
+    }
+
+    public static TransferHeaderRequest createTransferHeaderRequest(String apiKey, String userKey) {
+        LocalDateTime now = LocalDateTime.now();
+        DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("yyyyMMdd");
+        DateTimeFormatter timeFormatter = DateTimeFormatter.ofPattern("HHmmss");
+
+
+        return TransferHeaderRequest.builder()
+                .apiName("updateDemandDepositAccountWithdrawal")
+                .transmissionDate(now.format(dateFormatter))
+                .transmissionTime(now.format(timeFormatter))
+                .institutionCode("00100")
+                .fintechAppNo("001")
+                .apiServiceCode("updateDemandDepositAccountWithdrawal")
+                .institutionTransactionUniqueNo(TransactionUtil.generateUniqueTransactionNo())
+                .apiKey(apiKey)
+                .userKey(userKey)
+                .build();
+    }
+}

src/main/java/com/fav/daengnyang/domain/account/service/dto/request/TransferRequest.java

@@ -0,0 +1,19 @@
+package com.fav.daengnyang.domain.account.service.dto.request;
+
+import jakarta.validation.constraints.NotNull;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.apache.logging.log4j.core.config.plugins.validation.constraints.NotBlank;
+
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class TransferRequest {
+
+    @NotBlank
+    private String account;
+    @NotNull
+    private Long amount;
+}

src/main/java/com/fav/daengnyang/global/transaction/service/TransactionService.java

@@ -48,6 +48,6 @@ public void makeDeposit(String accountNo, String userKey){
         String url = "/edu/demandDeposit/updateDemandDepositAccountDeposit";
         ResponseEntity<String> response = restTemplate.postForEntity(url, requestEntity, String.class);
 
-        log.info("송금하기 API 결과: " + response.getBody());
+        log.info("입금하기 API 결과: " + response.getBody());
     }
 }