feat: 한 아이디로 하루 10회 초과 점역 요청 시 예외 발생 (#142)

* feat: 한 아이디당 10회씩 점역 가능하도록 한계 설정

* fix: 세션 아이디 파라미터로 검사하는 로직 제거 (#143)

* feat: Login ID에 unique 제약조건 설정 (#145)

* fix: logout 에러 수정 (#146)

* feat: 10회 초과 시 예외 발생

server/src/main/java/sunflower/server/api/TranscriptionApiController.java

@@ -39,7 +39,7 @@ public ResponseEntity<PdfRegisterResponse> registerPdf(
             throw new FileException(ErrorCode.P);
         }
 
-        final Long id = transcriptionService.register(file);
+        final Long id = transcriptionService.register(member.getId(), file);
 
         return ResponseEntity
                 .created(URI.create("/transcriptions/" + id))

server/src/main/java/sunflower/server/application/MemberTranscriptionsLogService.java

@@ -0,0 +1,25 @@
+package sunflower.server.application;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import sunflower.server.entity.MemberTranscriptionsLog;
+import sunflower.server.repository.MemberTranscriptionsLogRepository;
+
+import java.time.LocalDate;
+import java.util.Optional;
+
+@RequiredArgsConstructor
+@Service
+public class MemberTranscriptionsLogService {
+
+    private final MemberTranscriptionsLogRepository memberTranscriptionsLogRepository;
+
+    public int count(final Long memberId) {
+        final Optional<MemberTranscriptionsLog> log = memberTranscriptionsLogRepository.findByMemberIdAndDate(memberId, LocalDate.now());
+        if (log.isEmpty()) {
+            final MemberTranscriptionsLog newLog = memberTranscriptionsLogRepository.save(MemberTranscriptionsLog.of(memberId));
+            return newLog.count();
+        }
+        return log.get().count();
+    }
+}

server/src/main/java/sunflower/server/application/TranscriptionService.java

@@ -10,6 +10,7 @@
 import sunflower.server.application.dto.TranscriptionStatusDto;
 import sunflower.server.application.event.OcrRegisterEvent;
 import sunflower.server.entity.Transcriptions;
+import sunflower.server.exception.TranscriptionException;
 import sunflower.server.repository.TranscriptionsRepository;
 import sunflower.server.util.FileUtil;
 
@@ -22,10 +23,16 @@
 public class TranscriptionService {
 
     private final TranscriptionsRepository transcriptionsRepository;
+    private final MemberTranscriptionsLogService memberTranscriptionsLogService;
     private final ApplicationEventPublisher eventPublisher;
 
     @Transactional
-    public Long register(final MultipartFile file) {
+    public Long register(final Long memberId, final MultipartFile file) {
+        final int count = memberTranscriptionsLogService.count(memberId);
+        if (count > 10) {
+            throw new TranscriptionException("C");
+        }
+
         final String originalFileName = file.getOriginalFilename();
         final String fileName = FileUtil.createRandomFileName(file);
 

server/src/main/java/sunflower/server/entity/MemberTranscriptionsLog.java

@@ -0,0 +1,36 @@
+package sunflower.server.entity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDate;
+
+import static jakarta.persistence.GenerationType.IDENTITY;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Entity
+public class MemberTranscriptionsLog {
+
+    @Id
+    @GeneratedValue(strategy = IDENTITY)
+    private Long id;
+
+    private Long memberId;
+    private Integer transcriptionCount;
+    private LocalDate date;
+
+    public static MemberTranscriptionsLog of(final Long memberId) {
+        return new MemberTranscriptionsLog(null, memberId, 0, LocalDate.now());
+    }
+
+    public Integer count() {
+        this.transcriptionCount++;
+        return this.transcriptionCount;
+    }
+}

server/src/main/java/sunflower/server/exception/ErrorCode.java

@@ -12,6 +12,7 @@ public enum ErrorCode {
     L("Latex 파일 처리에 문제가 발생했습니다."),
     T("점역 API 호출에서 문제가 발생했습니다."),
     B("BRF 파일 처리에 문제가 발생했습니다."),
+    C("일일 가능한 점역 횟수를 초과했습니다."),
     ;
 
     private final String message;

server/src/main/java/sunflower/server/repository/MemberTranscriptionsLogRepository.java

@@ -0,0 +1,14 @@
+package sunflower.server.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import sunflower.server.entity.MemberTranscriptionsLog;
+
+import java.time.LocalDate;
+import java.util.Optional;
+
+public interface MemberTranscriptionsLogRepository extends JpaRepository<MemberTranscriptionsLog, Long> {
+
+    Optional<MemberTranscriptionsLog> findByMemberId(final Long memberId);
+
+    Optional<MemberTranscriptionsLog> findByMemberIdAndDate(Long memberId, LocalDate today);
+}