From 16eb5cacf988ff7afd0830d8f7fe3cf27d724eee Mon Sep 17 00:00:00 2001
From: Jerry Yan <792602257@qq.com>
Date: Mon, 2 Feb 2026 22:20:05 +0800
Subject: [PATCH] =?UTF-8?q?feat(data-management):=20=E6=B7=BB=E5=8A=A0?=
 =?UTF-8?q?=E7=9F=A5=E8=AF=86=E9=A1=B9=E6=89=A9=E5=B1=95=E5=85=83=E6=95=B0?=
 =?UTF-8?q?=E6=8D=AE=E6=94=AF=E6=8C=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 在 KnowledgeItemApplicationService 中实现元数据字段的更新逻辑
- 为 CreateKnowledgeItemRequest 添加 metadata 字段定义
- 为 UpdateKnowledgeItemRequest 添加 metadata 字段定义
- 支持知识项创建和更新时的扩展元数据存储
---
 .../application/KnowledgeItemApplicationService.java          | 3 +++
 .../interfaces/dto/CreateKnowledgeItemRequest.java            | 4 ++++
 .../interfaces/dto/UpdateKnowledgeItemRequest.java            | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/application/KnowledgeItemApplicationService.java b/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/application/KnowledgeItemApplicationService.java
index a254c3d..5e32193 100644
--- a/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/application/KnowledgeItemApplicationService.java
+++ b/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/application/KnowledgeItemApplicationService.java
@@ -178,6 +178,9 @@ public class KnowledgeItemApplicationService {
         if (request.getContentType() != null) {
             knowledgeItem.setContentType(request.getContentType());
         }
+        if (request.getMetadata() != null) {
+            knowledgeItem.setMetadata(request.getMetadata());
+        }
 
         knowledgeItemRepository.updateById(knowledgeItem);
         return knowledgeItem;
diff --git a/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/CreateKnowledgeItemRequest.java b/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/CreateKnowledgeItemRequest.java
index b157dc0..f82ae54 100644
--- a/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/CreateKnowledgeItemRequest.java
+++ b/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/CreateKnowledgeItemRequest.java
@@ -34,4 +34,8 @@ public class CreateKnowledgeItemRequest {
      * 来源文件ID（用于标注同步等场景）
      */
     private String sourceFileId;
+    /**
+     * 扩展元数据
+     */
+    private String metadata;
 }
diff --git a/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/UpdateKnowledgeItemRequest.java b/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/UpdateKnowledgeItemRequest.java
index 4dcb104..2ad398f 100644
--- a/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/UpdateKnowledgeItemRequest.java
+++ b/backend/services/data-management-service/src/main/java/com/datamate/datamanagement/interfaces/dto/UpdateKnowledgeItemRequest.java
@@ -18,4 +18,8 @@ public class UpdateKnowledgeItemRequest {
      * 内容类型
      */
     private KnowledgeContentType contentType;
+    /**
+     * 扩展元数据
+     */
+    private String metadata;
 }