✨ Feat: 사용자 보유 크레딧 조회

src/main/java/com/practice/likelionhackathoncesco/domain/user/controller/UserCreditController.java

@@ -1,6 +1,7 @@
 package com.practice.likelionhackathoncesco.domain.user.controller;
 
 import com.practice.likelionhackathoncesco.domain.user.dto.response.CreditResponse;
+import com.practice.likelionhackathoncesco.domain.user.dto.response.UserCreditResponse;
 import com.practice.likelionhackathoncesco.domain.user.service.UserCreditService;
 import com.practice.likelionhackathoncesco.global.response.BaseResponse;
 import io.swagger.v3.oas.annotations.Operation;
@@ -28,4 +29,12 @@ public ResponseEntity<BaseResponse<CreditResponse>> getCreditStep(
     CreditResponse creditResponse = userCreditService.PostCreditStep(userId);
     return ResponseEntity.ok(BaseResponse.success("크레딧 지급 기준 충족 여부 조회 완료", creditResponse));
   }
+
+  @Operation(summary = "사용자 보유 크레딧 조회", description = "사용자의 보유 크레딧을 조회하는 API")
+  @GetMapping("/hascredit/{userId}")
+  public ResponseEntity<BaseResponse<UserCreditResponse>> getCredit(
+      @Parameter(description = "사용자 ID") @PathVariable Long userId) {
+    UserCreditResponse userCreditResponse = userCreditService.getUserCredit(userId);
+    return ResponseEntity.ok(BaseResponse.success("사용자 보유 크레딧 조회 완료", userCreditResponse));
+  }
 }

src/main/java/com/practice/likelionhackathoncesco/domain/user/dto/response/UserCreditResponse.java

@@ -0,0 +1,10 @@
+package com.practice.likelionhackathoncesco.domain.user.dto.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class UserCreditResponse {
+  private Integer credit;
+}

src/main/java/com/practice/likelionhackathoncesco/domain/user/service/UserCreditService.java

@@ -1,6 +1,7 @@
 package com.practice.likelionhackathoncesco.domain.user.service;
 
 import com.practice.likelionhackathoncesco.domain.user.dto.response.CreditResponse;
+import com.practice.likelionhackathoncesco.domain.user.dto.response.UserCreditResponse;
 import com.practice.likelionhackathoncesco.domain.user.entity.User;
 import com.practice.likelionhackathoncesco.domain.user.exception.UserErrorCode;
 import com.practice.likelionhackathoncesco.domain.user.repository.UserRepository;
@@ -40,6 +41,18 @@ public CreditResponse PostCreditStep(Long userId) {
     }
   }
 
+  @Transactional(readOnly = true)
+  public UserCreditResponse getUserCredit(Long userId) {
+    log.info("[UserCreditService] 사용자 크레딧 조회 시도");
+    User user =
+        userRepository
+            .findById(userId)
+            .orElseThrow(() -> new CustomException(UserErrorCode.USER_NOT_FOUND));
+
+    log.info("[UserCreditService] 사용자 크레딧 조회 완료 : credit={}", user.getCredit());
+    return new UserCreditResponse(user.getCredit());
+  }
+
   public CreditResponse toCreditResponse(Boolean one, Boolean five, Boolean fifteen) {
     return CreditResponse.builder()
         .postCountOne(one)