hotfix: Transactional 어노테이션 추가 및 전공 수정

src/main/java/com/example/whopper/domain/document/application/base/AbstractUpdateElementServiceBase.java

@@ -6,12 +6,14 @@
 import com.example.whopper.domain.document.exception.DocumentModificationException;
 import com.example.whopper.global.utils.current.CurrentStudent;
 import lombok.RequiredArgsConstructor;
+import org.springframework.transaction.annotation.Transactional;
 
 @RequiredArgsConstructor
 public abstract class AbstractUpdateElementServiceBase<T> {
     protected final DocumentRepository documentRepository;
     protected final CurrentStudent currentStudent;
 
+    @Transactional
     public void update(T request) {
         var document = currentStudent.getDocument();
 

src/main/java/com/example/whopper/domain/document/application/impl/FindDocumentService.java

@@ -16,9 +16,11 @@
 import com.example.whopper.global.utils.DataResponseInfo;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @Service
 @RequiredArgsConstructor
+@Transactional(readOnly = true)
 public class FindDocumentService implements FindDocumentUseCase {
     private final DocumentRepository documentRepository;
     private final FeedbackMongoRepository feedbackMongoRepository;

src/main/java/com/example/whopper/domain/document/application/impl/ReleaseDocumentService.java

@@ -9,8 +9,10 @@
 import com.example.whopper.domain.feedback.dao.FeedbackMongoRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @Service
+@Transactional
 @RequiredArgsConstructor
 public class ReleaseDocumentService implements ReleaseDocumentUseCase {
     private final DocumentRepository documentRepository;

src/main/java/com/example/whopper/domain/document/application/impl/SubmitMyDocumentService.java

@@ -7,8 +7,10 @@
 import com.example.whopper.global.utils.current.CurrentStudent;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @Service
+@Transactional
 @RequiredArgsConstructor
 public class SubmitMyDocumentService implements SubmitMyDocumentUseCase {
     private final DocumentRepository documentRepository;

src/main/java/com/example/whopper/domain/major/dao/AbstractMajorRepository.java

@@ -23,14 +23,8 @@ public void saveAll(List<MajorEntity> entities) {
     }
 
     @Override
-    public MajorEntity getById(String majorId) {
-        return findById(majorId)
-                .orElse(null);
-    }
-
-    @Override
-    public Optional<MajorEntity> findById(String majorId) {
-        return majorMongoRepository.findById(majorId);
+    public Optional<MajorEntity> findByName(String name) {
+        return majorMongoRepository.findByName(name);
     }
 
     @Override

src/main/java/com/example/whopper/domain/major/dao/MajorMongoRepository.java

@@ -3,6 +3,9 @@
 import com.example.whopper.domain.major.domain.MajorEntity;
 import org.springframework.data.mongodb.repository.MongoRepository;
 
+import java.util.Optional;
+
 public interface MajorMongoRepository extends MongoRepository<MajorEntity, String> {
     boolean existsByName(String name);
+    Optional<MajorEntity> findByName(String name);
 }

src/main/java/com/example/whopper/domain/major/dao/MajorRepository.java

@@ -8,8 +8,7 @@
 public interface MajorRepository {
     MajorEntity save(MajorEntity entity);
     void saveAll(List<MajorEntity> entities);
-    MajorEntity getById(String majorId);
-    Optional<MajorEntity> findById(String majorId);
+    Optional<MajorEntity> findByName(String name);
     List<MajorEntity> findAll();
     void delete(MajorEntity entity);
     boolean existsByName(String name);

src/main/java/com/example/whopper/domain/major/domain/DefaultMajorFacade.java

@@ -11,7 +11,7 @@ public class DefaultMajorFacade {
     private final MajorRepository majorRepository;
 
     public MajorEntity getDefaultMajor() {
-        return majorRepository.findById(defaultMajorProperties.majorId())
+        return majorRepository.findByName(defaultMajorProperties.name())
                 .orElseGet(() -> majorRepository.save(MajorEntity.createEntity(defaultMajorProperties.name())));
     }
 }

src/main/java/com/example/whopper/domain/major/domain/MajorEntity.java

@@ -2,15 +2,18 @@
 
 import lombok.Getter;
 import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.index.Indexed;
 import org.springframework.data.mongodb.core.mapping.Document;
 import org.springframework.data.mongodb.core.mapping.Field;
+import org.springframework.data.mongodb.core.mapping.MongoId;
 
 @Getter
 @Document(collection = "majors")
 public class MajorEntity {
     @Id
     private String id;
     @Field("name")
+    @Indexed(unique = true)
     private String name;
 
     protected MajorEntity() {}