refactor: Problem의 application 모듈 개편(ProblemService -> ProblemCommandService)

- syncProblem 으로 더 비즈니스 친화적 메서드명으로 개선

Author: zzoe2346

module-application/src/main/java/com/mycodingtest/application/collector/BojIngestionService.java

@@ -1,15 +1,14 @@
 package com.mycodingtest.application.collector;
 
 import com.mycodingtest.application.collector.dto.CreateProblemAndJudgmentCommand;
-import com.mycodingtest.application.judgment.query.JudgmentQueryService;
-import com.mycodingtest.domain.common.Platform;
-import com.mycodingtest.domain.problem.Problem;
-import com.mycodingtest.application.judgment.command.JudgmentCommandService;
 import com.mycodingtest.application.judgment.command.CreateBojJudgmentCommand;
-import com.mycodingtest.application.problem.ProblemService;
-import com.mycodingtest.application.problem.dto.CreateProblemCommand;
+import com.mycodingtest.application.judgment.command.JudgmentCommandService;
+import com.mycodingtest.application.judgment.query.JudgmentQueryService;
+import com.mycodingtest.application.problem.command.ProblemCommandService;
+import com.mycodingtest.application.problem.command.SyncProblemCommand;
 import com.mycodingtest.application.review.ReviewService;
 import com.mycodingtest.application.review.dto.CreateReviewCommand;
+import com.mycodingtest.domain.common.Platform;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -26,7 +25,7 @@ public class BojIngestionService {
 
     private final JudgmentCommandService judgmentCommandService;
     private final JudgmentQueryService judgmentQueryService;
-    private final ProblemService problemService;
+    private final ProblemCommandService problemCommandService;
     private final ReviewService reviewService;
 
     /**
@@ -40,11 +39,11 @@ public class BojIngestionService {
     @Transactional
     public void ingest(CreateProblemAndJudgmentCommand command) {
         // 1. 문제 엔티티 확보
-        Problem problem = problemService.getOrCreateProblem(CreateProblemCommand.from(command, Platform.BOJ));
+        Long syncedProblemId = problemCommandService.syncProblem(SyncProblemCommand.from(command, Platform.BOJ));
         // 2. 채점 상세 기록 저장
-        judgmentCommandService.createJudgmentFromBoj(CreateBojJudgmentCommand.from(command, problem.getId()));
+        judgmentCommandService.createJudgmentFromBoj(CreateBojJudgmentCommand.from(command, syncedProblemId));
         // 3. 리뷰 오답 노트 생성
-        reviewService.createReview(CreateReviewCommand.from(command, problem.getId()));
+        reviewService.createReview(CreateReviewCommand.from(command, syncedProblemId));
     }
 
     /**

…/application/problem/ProblemService.java …oblem/command/ProblemCommandService.javamodule-application/src/main/java/com/mycodingtest/application/problem/ProblemService.java renamed to module-application/src/main/java/com/mycodingtest/application/problem/command/ProblemCommandService.java module-application/src/main/java/com/mycodingtest/application/problem/ProblemService.java renamed to module-application/src/main/java/com/mycodingtest/application/problem/command/ProblemCommandService.java

@@ -1,21 +1,20 @@
-package com.mycodingtest.application.problem;
+package com.mycodingtest.application.problem.command;
 
-import com.mycodingtest.application.problem.dto.CreateProblemCommand;
 import com.mycodingtest.domain.problem.Problem;
 import com.mycodingtest.domain.problem.ProblemRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 /**
- * <h3>문제 데이터 서비스 (ProblemService)</h3>
+ * <h3>문제 데이터 서비스 (ProblemCommandService)</h3>
  * <p>
  * 플랫폼별 알고리즘 문제 정보를 관리합니다.
  * </p>
  */
 @Service
 @RequiredArgsConstructor
-public class ProblemService {
+public class ProblemCommandService {
 
     private final ProblemRepository problemRepository;
 
@@ -27,13 +26,14 @@ public class ProblemService {
      * </p>
      */
     @Transactional
-    public Problem getOrCreateProblem(CreateProblemCommand command) {
+    public Long syncProblem(SyncProblemCommand command) {
         return problemRepository.findProblemByproblemNumberAndPlatform(command.problemNumber(), command.platform())
                 .orElseGet(() -> problemRepository.save(
                         Problem.from(
                                 command.problemNumber(),
                                 command.problemTitle(),
-                                command.platform())));
+                                command.platform())))
+                .getId();
     }
 
 }

module-application/src/main/java/com/mycodingtest/application/problem/command/SyncProblemCommand.java

@@ -0,0 +1,14 @@
+package com.mycodingtest.application.problem.command;
+
+import com.mycodingtest.application.collector.dto.CreateProblemAndJudgmentCommand;
+import com.mycodingtest.domain.common.Platform;
+
+public record SyncProblemCommand(
+        Integer problemNumber,
+        String problemTitle,
+        Platform platform
+) {
+    public static SyncProblemCommand from(CreateProblemAndJudgmentCommand command, Platform platform) {
+        return new SyncProblemCommand(command.problemNumber(), command.problemTitle(), platform);
+    }
+}