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Caution Review failedThe pull request is closed. WalkthroughA new login ID availability check feature was added, including a service method, controller endpoint, and response DTO. Two new interfaces were introduced to provide OpenAPI documentation for user and school controllers. Controller classes were updated to implement these documentation interfaces. Minor package refactoring and documentation enhancements were also made. Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant UserController
participant UserService
participant UserRepository
Client->>UserController: GET /user/check-id?loginId=...
UserController->>UserService: isLoginIdAvailable(loginId)
UserService->>UserRepository: existsByLoginId(loginId)
UserRepository-->>UserService: Boolean (exists)
UserService-->>UserController: Boolean (isAvailable)
UserController-->>Client: ApiResponseWrapper<IsLoginIdAvailableResponse>
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Summary of Changes
Hello @wlgns12370, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request primarily introduces a crucial feature for user management: the ability to check the availability of a login ID before user registration. This is achieved by adding a new API endpoint and the underlying service logic. Additionally, the PR enhances the project's API documentation by integrating Swagger/OpenAPI interfaces for both user and school-related endpoints, and improves code organization by refactoring DTOs into a dedicated package.
Highlights
- Login ID Availability Check: Implemented a new API endpoint (
GET /user/check-id) and corresponding service logic to verify if a given login ID is available for registration. This check leverages theuserJpaRepositoryto determine if an ID already exists. - API Documentation Integration: Introduced dedicated documentation interfaces (
UserControllerDocs,SchoolControllerDocs) for Swagger/OpenAPI. This enhances the clarity and discoverability of API endpoints by providing structured annotations for operations, parameters, and responses. - DTO Package Refactoring: Refactored existing DTOs, such as
CustomerKeyResponse, and introduced new ones, likeIsLoginIdAvailableResponse, into a dedicateddtosubpackage. This improves code organization and maintainability by grouping related data transfer objects.
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Code Review
This pull request introduces a new feature to check for login ID availability. It also includes some nice refactoring, such as separating Swagger API documentation into ...Docs interfaces and organizing DTOs into a dedicated package.
The implementation looks good, but I have a few suggestions to improve input validation and code simplicity:
- Add validation to the new endpoint to reject blank login IDs. This requires annotating the controller with
@Validatedand the parameter with@NotBlank. - Simplify the new response DTO by using its constructor directly instead of a redundant static factory method.
These changes will make the new endpoint more robust and the code easier to maintain.
| @RequestMapping("/user") | ||
| @RequiredArgsConstructor | ||
| public class UserController { | ||
| public class UserController implements UserControllerDocs { |
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To enable method-level validation for request parameters (like the loginId in isLoginIdAvailable), this controller class should be annotated with @Validated. This is necessary for Spring to process constraint annotations on method parameters.
| public class UserController implements UserControllerDocs { | |
| @org.springframework.validation.annotation.Validated | |
| public class UserController implements UserControllerDocs { |
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| @GetMapping("/check-id") | ||
| public ResponseEntity<ApiResponseWrapper<IsLoginIdAvailableResponse>> isLoginIdAvailable( | ||
| @RequestParam String loginId |
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The loginId parameter should be validated to prevent empty or blank strings from being processed. Using @NotBlank ensures that a valid login ID is provided for the check. This will trigger a ConstraintViolationException for invalid input, which can be handled globally to return a 400 Bad Request, as documented in your API.
| @RequestParam String loginId | |
| @RequestParam @jakarta.validation.constraints.NotBlank String loginId |
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| return ResponseEntity.ok( | ||
| ApiResponseWrapper.success(HttpStatus.OK, "User Login ID 등록 가능 여부 조회 성공", | ||
| IsLoginIdAvailableResponse.from(isLoginIdAvailable))); |
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The static factory method IsLoginIdAvailableResponse.from() is redundant here as it just wraps the record's constructor. It's clearer and more idiomatic for Java records to use the constructor directly when no special logic is involved in the factory method.
Using the constructor here allows you to remove the from method from the IsLoginIdAvailableResponse record, simplifying the DTO.
| IsLoginIdAvailableResponse.from(isLoginIdAvailable))); | |
| new IsLoginIdAvailableResponse(isLoginIdAvailable))); |
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