refactor: 문서에 제목 추가

src/main/java/com/jobnote/domain/document/domain/DocumentVersion.java

@@ -20,6 +20,8 @@ public class DocumentVersion extends BaseTimeEntity {
 
     private int version;
 
+    private String title;
+
     private String originFileName;
 
     private String fileKey;
@@ -33,12 +35,14 @@ public class DocumentVersion extends BaseTimeEntity {
     @Builder
     public DocumentVersion(
             final int version,
+            final String title,
             final String originFileName,
             final String fileKey,
             final Long fileSize,
             final Document document
     ) {
         this.version = version;
+        this.title = title;
         this.originFileName = originFileName;
         this.fileKey = fileKey;
         this.fileSize = fileSize;

src/main/java/com/jobnote/domain/document/dto/DocumentRequest.java

@@ -6,6 +6,10 @@
 import jakarta.validation.constraints.*;
 
 public record DocumentRequest(
+        @NotBlank(message = "문서 제목은 비어있을 수 없습니다.")
+        @Size(max = 100, message = "문서 제목은 100자 이하여야 합니다.")
+        String title,
+
         @NotBlank(message = "파일 이름은 비어있을 수 없습니다.")
         @Pattern(regexp = "^[^/:*?\"<>|]+$",
                 message = "파일 이름에는 / : * ? \" < > | 문자를 사용할 수 없습니다.")
@@ -28,7 +32,7 @@ public Document toEntity(final User user) {
         return Document.builder()
                 .user(user)
                 .documentType(fileType)
-                .title(fileName)
+                .title(title)
                 .build();
     }
 }

src/main/java/com/jobnote/domain/document/dto/DocumentVersionResponse.java

@@ -8,6 +8,7 @@
 public record DocumentVersionResponse(
     Long id,
     int version,
+    String title,
     String fileName,
     String fileUrl,
     Long fileSize
@@ -16,6 +17,7 @@ public static DocumentVersionResponse of(final DocumentVersion documentVersion,
         return DocumentVersionResponse.builder()
                 .id(documentVersion.getId())
                 .version(documentVersion.getVersion())
+                .title(documentVersion.getTitle())
                 .fileName(documentVersion.getOriginFileName())
                 .fileUrl(fileUrl)
                 .fileSize(documentVersion.getFileSize())

src/main/java/com/jobnote/domain/document/service/DocumentService.java

@@ -101,6 +101,7 @@ private Long saveDocumentVersion(final Long userId, final Document document, fin
 
         DocumentVersion documentVersion = DocumentVersion.builder()
                 .version(version)
+                .title(request.title())
                 .originFileName(request.fileName())
                 .fileKey(request.fileKey())
                 .fileSize(fileSize)