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Caution Review failedThe pull request is closed. Walkthrough이 변경사항은 모임(Group) 및 태그(Tag) 엔티티 구조를 도입합니다. Group 엔티티는 다중 이미지, 태그, 사용자 관계를 포함하고, GroupUser와 GroupTag를 통해 관계를 관리합니다. Tag 엔티티는 기본 도메인 모델로 제공되며, 관련 리포지토리, 서비스, 컨트롤러 스캐폴드가 추가됩니다. Changes
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Pull request overview
This PR establishes the foundational entity structure for the Group domain, creating a root aggregate (Group) with its associated entities (GroupImage, GroupTag, GroupUser) and introducing a Tag management system with its controller, service, and repository layers.
Key changes:
- Created Group aggregate root with bidirectional relationships to images, tags, and users
- Introduced GroupRole enum to distinguish between HOST and MEMBER roles
- Implemented Tag entity with supporting infrastructure (Controller, Service, Repository)
Reviewed changes
Copilot reviewed 9 out of 9 changed files in this pull request and generated 15 comments.
Show a summary per file
| File | Description |
|---|---|
| Group.java | Root aggregate entity with relationships to images, tags, users, and host; includes factory method and relationship helper methods |
| GroupImage.java | Entity for managing group images with sort order; maintains relationship to Group |
| GroupTag.java | Junction entity linking Group and Tag in a many-to-many relationship |
| GroupUser.java | Junction entity linking Group and User with role assignment and join/leave timestamps |
| GroupRole.java | Enum defining HOST and MEMBER roles for group participation |
| Tag.java | Tag entity with unique name constraint and factory method |
| TagRepository.java | JPA repository interface for Tag entity |
| TagService.java | Service layer for Tag operations (currently empty placeholder) |
| TagController.java | REST controller for Tag endpoints (currently empty placeholder) |
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| public static GroupUser create(Group group, User user, GroupRole role) { | ||
| GroupUser groupUser = new GroupUser(); | ||
| groupUser.group = group; | ||
| groupUser.user = user; | ||
| groupUser.groupRole = role; | ||
| groupUser.joinedAt = LocalDateTime.now(); | ||
| group.addUser(groupUser); | ||
| return groupUser; | ||
| } |
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The create method doesn't validate that the group, user, and role parameters are not null. Since these are all marked with nullable = false in the database, null values will cause constraint violations. Consider adding null checks:
public static GroupUser create(Group group, User user, GroupRole role) {
if (group == null || user == null || role == null) {
throw new IllegalArgumentException("Group, User, and Role cannot be null");
}
GroupUser groupUser = new GroupUser();
// ... rest of the method
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| @Id | ||
| @GeneratedValue(strategy = GenerationType.IDENTITY) | ||
| @Column(name = "group_tag_id", nullable = false, updatable = false) |
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There's an extra space in the @Column annotation: "group_tag_id", nullable (double space before nullable). This should be a single space for consistency.
| @Column(name = "group_tag_id", nullable = false, updatable = false) | |
| @Column(name = "group_tag_id", nullable = false, updatable = false) |
| public class GroupUser extends BaseTimeEntity { | ||
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| @Id | ||
| @GeneratedValue(strategy = GenerationType.IDENTITY) |
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The id column is missing the @Column annotation with name, nullable, and updatable properties. For consistency with other entities in this codebase (like GroupImage, GroupTag, Tag), consider adding: @Column(name = "group_user_id", nullable = false, updatable = false)
| @GeneratedValue(strategy = GenerationType.IDENTITY) | |
| @GeneratedValue(strategy = GenerationType.IDENTITY) | |
| @Column(name = "group_user_id", nullable = false, updatable = false) |
| public static Tag create(String name) { | ||
| Tag tag = new Tag(); | ||
| tag.name = name; | ||
| return tag; | ||
| } |
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The create method doesn't validate that the name parameter is not null or empty. Since the database column is marked as nullable = false, attempting to create a Tag with a null or empty name will cause a database constraint violation. Consider adding validation:
public static Tag create(String name) {
if (name == null || name.trim().isEmpty()) {
throw new IllegalArgumentException("Tag name cannot be null or empty");
}
Tag tag = new Tag();
tag.name = name;
return tag;
}| public static GroupTag create(Group group, Tag tag) { | ||
| GroupTag groupTag = new GroupTag(); | ||
| groupTag.group = group; | ||
| groupTag.tag = tag; | ||
| group.addTag(groupTag); | ||
| return groupTag; | ||
| } |
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The create method doesn't validate that the group and tag parameters are not null. Since these are marked with nullable = false in the database, null values will cause constraint violations. Consider adding null checks:
public static GroupTag create(Group group, Tag tag) {
if (group == null || tag == null) {
throw new IllegalArgumentException("Group and Tag cannot be null");
}
GroupTag groupTag = new GroupTag();
// ... rest of the method
}|
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| @Getter(AccessLevel.PUBLIC) | ||
| @NoArgsConstructor(access = AccessLevel.PROTECTED) | ||
| @Table(name = "v1_group_images") | ||
| @Entity | ||
| public class GroupImage { |
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The GroupImage entity doesn't extend BaseTimeEntity while other related entities (Group, GroupTag, GroupUser) do. This inconsistency means GroupImage won't have createdAt and updatedAt timestamps. Consider extending BaseTimeEntity for consistency and to track when images are added or modified.
| @Getter(AccessLevel.PUBLIC) | |
| @NoArgsConstructor(access = AccessLevel.PROTECTED) | |
| @Table(name = "v1_group_images") | |
| @Entity | |
| public class GroupImage { | |
| import team.wego.wegobackend.common.domain.BaseTimeEntity; | |
| @Getter(AccessLevel.PUBLIC) | |
| @NoArgsConstructor(access = AccessLevel.PROTECTED) | |
| @Table(name = "v1_group_images") | |
| @Entity | |
| public class GroupImage extends BaseTimeEntity { |
| public class TagController { | ||
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| private final TagService tagService; | ||
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| } |
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[nitpick] The TagController class is empty except for the injected service. While this may be intentional for initial entity setup, consider adding a TODO comment or basic endpoint (e.g., to list or create tags) to clarify the intended future functionality and prevent this class from being accidentally left unused.
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| @Getter(AccessLevel.PUBLIC) | ||
| @NoArgsConstructor(access = AccessLevel.PROTECTED) | ||
| @Table(name = "v1_group_users") |
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Missing unique constraint on the group_id and user_id combination. Without this constraint, the same user can be added to the same group multiple times (e.g., as both HOST and MEMBER, or as MEMBER multiple times), which could lead to data inconsistencies. Consider adding a unique constraint:
@Table(name = "v1_group_users",
uniqueConstraints = {
@UniqueConstraint(name = "uk_group_user", columnNames = {"group_id", "user_id"})
})| @Table(name = "v1_group_users") | |
| @Table( | |
| name = "v1_group_users", | |
| uniqueConstraints = { | |
| @jakarta.persistence.UniqueConstraint( | |
| name = "uk_group_user", | |
| columnNames = {"group_id", "user_id"} | |
| ) | |
| } | |
| ) |
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| @Id | ||
| @GeneratedValue(strategy = GenerationType.IDENTITY) | ||
| @Column(name = "group_id", nullable = false, unique = true) |
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The unique = true constraint on the group_id column is redundant. Primary key columns are already unique by definition. This constraint adds unnecessary metadata to the schema.
| @Column(name = "group_id", nullable = false, unique = true) | |
| @Column(name = "group_id", nullable = false) |
| import team.wego.wegobackend.common.entity.BaseTimeEntity; | ||
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| @Getter(AccessLevel.PUBLIC) | ||
| @NoArgsConstructor |
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The @NoArgsConstructor annotation is missing the access parameter. For consistency with other entities in this codebase (Group, GroupTag, GroupUser, GroupImage), consider adding access = AccessLevel.PROTECTED to prevent uncontrolled instantiation: @NoArgsConstructor(access = AccessLevel.PROTECTED)
| @NoArgsConstructor | |
| @NoArgsConstructor(access = AccessLevel.PROTECTED) |
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