docs: 增加DTO与统一响应改造计划

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# DTO And RequestResult Refactor Implementation Plan
> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
**Goal:** 将现有枚举、附件、RAG 三块接口统一改造成 DTO 入参与 DTO 返回,并引入 `RequestResult` 作为统一响应包装。
**Architecture:** `controller``service``mapper` 三层都尽量以 DTO 作为边界对象,实体类仅用于 MyBatis-Plus 持久化与表映射。控制层统一返回 `RequestResult<T>`,查询条件走 request/query DTO列表和详情都返回 response DTO避免继续直接暴露实体和零散参数。
**Tech Stack:** Java 21、Spring Boot 4、MyBatis-Plus、Spring MVC、JUnit 5
---
### Task 1: 建立统一响应体和 DTO 包结构
**Files:**
- Create: `src/main/java/com/bruce/common/dto/RequestResult.java`
- Create: `src/main/java/com/bruce/common/dto/request/`
- Create: `src/main/java/com/bruce/common/dto/response/`
- Create: `src/main/java/com/bruce/rag/dto/request/`
- Create: `src/main/java/com/bruce/rag/dto/response/`
- Modify: `src/test/java/com/bruce/common/enumconfig/SysEnumComponentStructureTests.java`
- Modify: `src/test/java/com/bruce/rag/RagComponentStructureTests.java`
- [ ] **Step 1: 写失败测试,固定统一返回体存在且控制层不再暴露裸实体**
在结构测试中增加如下断言思路:
```java
Method saveOrUpdateMethod = SysEnumController.class.getMethod("saveOrUpdate", SysEnumSaveRequest.class);
assertEquals(RequestResult.class, saveOrUpdateMethod.getReturnType());
```
```java
Method listMethod = RagStoreController.class.getMethod("list", RagStoreQueryRequest.class);
assertEquals(RequestResult.class, listMethod.getReturnType());
```
- [ ] **Step 2: 运行测试并确认失败**
Run: `.\mvnw.cmd "-Dtest=SysEnumComponentStructureTests,RagComponentStructureTests" test`
Expected: FAIL提示 DTO 或 `RequestResult` 类型不存在,或控制器方法签名不匹配。
- [ ] **Step 3: 最小化实现统一响应体和基础 DTO 目录**
`RequestResult.java` 采用如下结构:
```java
@Data
@NoArgsConstructor
@AllArgsConstructor
public class RequestResult<T> {
private boolean success;
private String code;
private String message;
private T data;
public static <T> RequestResult<T> success(T data) {
return new RequestResult<>(true, "SUCCESS", "操作成功", data);
}
public static <T> RequestResult<T> success(String message, T data) {
return new RequestResult<>(true, "SUCCESS", message, data);
}
public static <T> RequestResult<T> failure(String code, String message) {
return new RequestResult<>(false, code, message, null);
}
}
```
- [ ] **Step 4: 运行测试并确认通过**
Run: `.\mvnw.cmd "-Dtest=SysEnumComponentStructureTests,RagComponentStructureTests" test`
Expected: PASS 或只剩下后续控制器签名相关失败。
- [ ] **Step 5: Commit**
```bash
git add src/main/java/com/bruce/common/dto src/main/java/com/bruce/rag/dto src/test/java/com/bruce/common/enumconfig/SysEnumComponentStructureTests.java src/test/java/com/bruce/rag/RagComponentStructureTests.java
git commit -m "refactor: 增加统一响应体与DTO结构"
```
### Task 2: 重构 sys_enum 模块为 DTO 入参与 DTO 返回
**Files:**
- Create: `src/main/java/com/bruce/common/dto/request/SysEnumQueryRequest.java`
- Create: `src/main/java/com/bruce/common/dto/request/SysEnumSaveRequest.java`
- Create: `src/main/java/com/bruce/common/dto/response/SysEnumResponse.java`
- Modify: `src/main/java/com/bruce/common/controller/SysEnumController.java`
- Modify: `src/main/java/com/bruce/common/service/ISysEnumService.java`
- Modify: `src/main/java/com/bruce/common/service/impl/SysEnumServiceImpl.java`
- Modify: `src/main/java/com/bruce/common/mapper/SysEnumMapper.java`
- Modify: `src/test/java/com/bruce/common/enumconfig/SysEnumComponentStructureTests.java`
- [ ] **Step 1: 写失败测试,固定 sys_enum 控制器和服务都使用 DTO**
在 `SysEnumComponentStructureTests` 中增加断言:
```java
Method queryMethod = SysEnumController.class.getMethod("queryByCatalogAndType", SysEnumQueryRequest.class);
Method saveMethod = SysEnumController.class.getMethod("saveOrUpdate", SysEnumSaveRequest.class);
Method serviceMethod = ISysEnumService.class.getMethod("listByCatalogAndType", SysEnumQueryRequest.class);
```
- [ ] **Step 2: 运行测试并确认失败**
Run: `.\mvnw.cmd "-Dtest=SysEnumComponentStructureTests" test`
Expected: FAIL提示方法签名仍然是 `String` 或 `SysEnum`。
- [ ] **Step 3: 最小化实现 request/response DTO**
`SysEnumQueryRequest.java`
```java
@Data
public class SysEnumQueryRequest {
private String catalog;
private String type;
}
```
`SysEnumSaveRequest.java`
```java
@Data
public class SysEnumSaveRequest {
private Long id;
private String catalog;
private String type;
private String name;
private Integer value;
private String strvalue;
private Integer sort;
private String remark;
}
```
`SysEnumResponse.java`
```java
@Data
public class SysEnumResponse {
private Long id;
private String catalog;
private String type;
private String name;
private Integer value;
private String strvalue;
private Integer sort;
private String remark;
}
```
- [ ] **Step 4: 修改 mapper/service/controller**
- `ISysEnumService` 返回 `List<SysEnumResponse>`,保存返回 `SysEnumResponse`
- `SysEnumServiceImpl` 新增 DTO 与实体互转私有方法
- `SysEnumMapper` 保留 MP 基础能力;如需自定义查询,新增 DTO 查询方法签名
- `SysEnumController` 所有接口返回 `RequestResult<?>`
控制器目标形态:
```java
@PostMapping("/query")
public RequestResult<List<SysEnumResponse>> queryByCatalogAndType(@RequestBody SysEnumQueryRequest request) {
return RequestResult.success(sysEnumService.listByCatalogAndType(request));
}
```
- [ ] **Step 5: 运行测试并确认通过**
Run: `.\mvnw.cmd "-Dtest=SysEnumComponentStructureTests" test`
Expected: PASS
- [ ] **Step 6: Commit**
```bash
git add src/main/java/com/bruce/common/controller/SysEnumController.java src/main/java/com/bruce/common/service/ISysEnumService.java src/main/java/com/bruce/common/service/impl/SysEnumServiceImpl.java src/main/java/com/bruce/common/dto/request/SysEnumQueryRequest.java src/main/java/com/bruce/common/dto/request/SysEnumSaveRequest.java src/main/java/com/bruce/common/dto/response/SysEnumResponse.java src/test/java/com/bruce/common/enumconfig/SysEnumComponentStructureTests.java
git commit -m "refactor: 调整sys_enum接口为DTO模式"
```
### Task 3: 重构 sys_attachment 模块为 DTO 入参与 DTO 返回
**Files:**
- Create: `src/main/java/com/bruce/common/dto/request/SysAttachmentUploadRequest.java`
- Create: `src/main/java/com/bruce/common/dto/request/SysAttachmentQueryRequest.java`
- Create: `src/main/java/com/bruce/common/dto/response/SysAttachmentResponse.java`
- Modify: `src/main/java/com/bruce/common/controller/SysAttachmentController.java`
- Modify: `src/main/java/com/bruce/common/service/ISysAttachmentService.java`
- Modify: `src/main/java/com/bruce/common/service/impl/SysAttachmentServiceImpl.java`
- Modify: `src/test/java/com/bruce/common/attachment/SysAttachmentComponentStructureTests.java`
- [ ] **Step 1: 写失败测试,固定附件接口返回 `RequestResult` 且 service 返回 DTO**
示例断言:
```java
Method uploadMethod = SysAttachmentController.class.getMethod("upload", MultipartFile.class, SysAttachmentUploadRequest.class);
assertEquals(RequestResult.class, uploadMethod.getReturnType());
```
- [ ] **Step 2: 运行测试并确认失败**
Run: `.\mvnw.cmd "-Dtest=SysAttachmentComponentStructureTests" test`
Expected: FAIL提示控制器或服务方法签名不匹配。
- [ ] **Step 3: 新增附件 DTO**
`SysAttachmentUploadRequest.java`
```java
@Data
public class SysAttachmentUploadRequest {
private String sourceType;
private Long sourceId;
}
```
`SysAttachmentQueryRequest.java`
```java
@Data
public class SysAttachmentQueryRequest {
private String sourceType;
private Long sourceId;
}
```
`SysAttachmentResponse.java`
```java
@Data
public class SysAttachmentResponse {
private Long id;
private String sourceType;
private Long sourceId;
private String originalName;
private String fileName;
private String fileSuffix;
private String contentType;
private Long fileSize;
private String storageType;
private String filePath;
private String fileUrl;
private String remark;
}
```
- [ ] **Step 4: 修改附件控制器和服务**
- `ISysAttachmentService.upload` 返回 `SysAttachmentResponse`
- 控制器上传接口返回 `RequestResult<SysAttachmentResponse>`
- 如补充列表查询,也走 `SysAttachmentQueryRequest`
- [ ] **Step 5: 运行测试并确认通过**
Run: `.\mvnw.cmd "-Dtest=SysAttachmentComponentStructureTests" test`
Expected: PASS
- [ ] **Step 6: Commit**
```bash
git add src/main/java/com/bruce/common/controller/SysAttachmentController.java src/main/java/com/bruce/common/service/ISysAttachmentService.java src/main/java/com/bruce/common/service/impl/SysAttachmentServiceImpl.java src/main/java/com/bruce/common/dto/request/SysAttachmentUploadRequest.java src/main/java/com/bruce/common/dto/request/SysAttachmentQueryRequest.java src/main/java/com/bruce/common/dto/response/SysAttachmentResponse.java src/test/java/com/bruce/common/attachment/SysAttachmentComponentStructureTests.java
git commit -m "refactor: 调整附件接口为DTO模式"
```
### Task 4: 重构 rag_store 与 rag_document 模块为 DTO 入参与 DTO 返回
**Files:**
- Create: `src/main/java/com/bruce/rag/dto/request/RagStoreQueryRequest.java`
- Create: `src/main/java/com/bruce/rag/dto/request/RagStoreSaveRequest.java`
- Create: `src/main/java/com/bruce/rag/dto/request/RagDocumentQueryRequest.java`
- Create: `src/main/java/com/bruce/rag/dto/request/RagDocumentSaveRequest.java`
- Create: `src/main/java/com/bruce/rag/dto/response/RagStoreResponse.java`
- Create: `src/main/java/com/bruce/rag/dto/response/RagDocumentResponse.java`
- Modify: `src/main/java/com/bruce/rag/controller/RagStoreController.java`
- Modify: `src/main/java/com/bruce/rag/controller/RagDocumentController.java`
- Modify: `src/main/java/com/bruce/rag/service/IRagStoreService.java`
- Modify: `src/main/java/com/bruce/rag/service/IRagDocumentService.java`
- Modify: `src/main/java/com/bruce/rag/service/impl/RagStoreServiceImpl.java`
- Modify: `src/main/java/com/bruce/rag/service/impl/RagDocumentServiceImpl.java`
- Modify: `src/test/java/com/bruce/rag/RagComponentStructureTests.java`
- [ ] **Step 1: 写失败测试,固定 RAG 控制器和服务都使用 DTO**
示例断言:
```java
Method storeListMethod = RagStoreController.class.getMethod("list", RagStoreQueryRequest.class);
Method documentListMethod = RagDocumentController.class.getMethod("list", RagDocumentQueryRequest.class);
assertEquals(RequestResult.class, storeListMethod.getReturnType());
assertEquals(RequestResult.class, documentListMethod.getReturnType());
```
- [ ] **Step 2: 运行测试并确认失败**
Run: `.\mvnw.cmd "-Dtest=RagComponentStructureTests" test`
Expected: FAIL提示控制器和 service 仍然暴露实体或无 DTO。
- [ ] **Step 3: 新增 RAG DTO**
`RagStoreQueryRequest.java`
```java
@Data
public class RagStoreQueryRequest {
private String storeCode;
private String storeName;
private String status;
}
```
`RagStoreResponse.java`
```java
@Data
public class RagStoreResponse {
private Long id;
private String storeCode;
private String storeName;
private String description;
private String status;
private String remark;
}
```
`RagDocumentQueryRequest.java`
```java
@Data
public class RagDocumentQueryRequest {
private Long storeId;
private Long attachmentId;
private String parseStatus;
private String indexStatus;
private Boolean enabled;
}
```
`RagDocumentResponse.java`
```java
@Data
public class RagDocumentResponse {
private Long id;
private Long storeId;
private Long attachmentId;
private String documentTitle;
private String documentSummary;
private String parseStatus;
private String indexStatus;
private Boolean enabled;
private String errorMessage;
private String remark;
}
```
- [ ] **Step 4: 修改 RAG service/controller**
- `IRagStoreService`、`IRagDocumentService` 返回 DTO
- `RagStoreController` 和 `RagDocumentController` 返回 `RequestResult`
- 查询接口改为 `@PostMapping("/query")` + `@RequestBody QueryRequest`
- [ ] **Step 5: 运行测试并确认通过**
Run: `.\mvnw.cmd "-Dtest=RagComponentStructureTests" test`
Expected: PASS
- [ ] **Step 6: Commit**
```bash
git add src/main/java/com/bruce/rag/controller/RagStoreController.java src/main/java/com/bruce/rag/controller/RagDocumentController.java src/main/java/com/bruce/rag/service/IRagStoreService.java src/main/java/com/bruce/rag/service/IRagDocumentService.java src/main/java/com/bruce/rag/service/impl/RagStoreServiceImpl.java src/main/java/com/bruce/rag/service/impl/RagDocumentServiceImpl.java src/main/java/com/bruce/rag/dto/request src/main/java/com/bruce/rag/dto/response src/test/java/com/bruce/rag/RagComponentStructureTests.java
git commit -m "refactor: 调整RAG接口为DTO模式"
```
### Task 5: 全量验证与整理
**Files:**
- Modify: `src/test/java/com/bruce/common/attachment/SysAttachmentComponentStructureTests.java`
- Modify: `src/test/java/com/bruce/common/enumconfig/SysEnumComponentStructureTests.java`
- Modify: `src/test/java/com/bruce/rag/RagComponentStructureTests.java`
- [ ] **Step 1: 运行定向测试,确认三块 DTO 改造都覆盖到**
Run: `.\mvnw.cmd "-Dtest=SysAttachmentComponentStructureTests,SysEnumComponentStructureTests,RagComponentStructureTests" test`
Expected: PASS
- [ ] **Step 2: 运行全量测试**
Run: `.\mvnw.cmd test`
Expected: `BUILD SUCCESS`
- [ ] **Step 3: 检查工作区**
Run: `git status --short`
Expected: 仅显示本次预期文件,或为空(若已提交)。
- [ ] **Step 4: Commit**
```bash
git add src/test/java/com/bruce/common/attachment/SysAttachmentComponentStructureTests.java src/test/java/com/bruce/common/enumconfig/SysEnumComponentStructureTests.java src/test/java/com/bruce/rag/RagComponentStructureTests.java
git commit -m "test: 校验DTO接口改造结构"
```