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Refactor: DevInitData 구조 분리 및 초기화 로직 개선 (#212) #239

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Merged
merged 1 commit into from
Oct 12, 2025
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Refactor: DevInitData 구조 분리 및 초기화 로직 개선 (#212) #239

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2 changes: 1 addition & 1 deletion src/main/java/com/back/domain/board/post/entity/PostCategory.java
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Expand Up @@ -24,7 +24,7 @@ public class PostCategory extends BaseEntity {
private CategoryType type;

@OneToMany(mappedBy = "category", cascade = CascadeType.ALL, orphanRemoval = true)
private List<PostCategoryMapping> postCategoryMappings;
private List<PostCategoryMapping> postCategoryMappings = new ArrayList<>();

// -------------------- 생성자 --------------------
public PostCategory(String name, CategoryType type) {
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125 changes: 6 additions & 119 deletions src/main/java/com/back/global/initData/DevInitData.java
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@@ -1,61 +1,42 @@
package com.back.global.initData;

import com.back.domain.board.comment.entity.Comment;
import com.back.domain.board.comment.repository.CommentRepository;
import com.back.domain.board.post.entity.Post;
import com.back.domain.board.post.entity.PostCategory;
import com.back.domain.board.post.repository.PostCategoryRepository;
import com.back.domain.board.post.repository.PostRepository;
import com.back.domain.user.entity.User;
import com.back.domain.user.entity.UserProfile;
import com.back.domain.user.entity.UserStatus;
import com.back.domain.user.repository.UserRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.boot.ApplicationRunner;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.core.io.ClassPathResource;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.transaction.annotation.Transactional;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.List;

@Configuration
@Profile("default")
@RequiredArgsConstructor
public class DevInitData {
private final DataSource dataSource;
private final UserRepository userRepository;
private final PostRepository postRepository;
private final CommentRepository commentRepository;
private final PostCategoryRepository postCategoryRepository;
private final PasswordEncoder passwordEncoder;
private final DevInitService devInitService;

@Bean
ApplicationRunner DevInitDataApplicationRunner() {
return args -> {
initialize();
runDataSql();
devInitService.init();
};
}

public void initialize() {
runDataSql();
initUsersAndPostsAndComments();
}

private void runDataSql() {
try (Connection connection = dataSource.getConnection()) {
connection.setAutoCommit(true);
Statement stmt = connection.createStatement();

// post_category 테이블에 데이터 있는지 확인
long count = postCategoryRepository.count();
ResultSet rs = stmt.executeQuery("SELECT COUNT(*) FROM post_category");
rs.next();
long count = rs.getLong(1);

if (count == 0) {
// 데이터가 없으면 data.sql 실행
Expand All @@ -74,98 +55,4 @@ private void runDataSql() {
System.err.println("⚠️ data.sql execution failed: " + e.getMessage());
}
}

@Transactional
public void initUsersAndPostsAndComments() {
if (userRepository.count() == 0) {
// -------------------- 유저 --------------------
User admin = User.createAdmin("admin", "[email protected]", passwordEncoder.encode("12345678!"));
admin.setUserProfile(new UserProfile(admin, "관리자", null, null, null, 0));
userRepository.save(admin);

User user1 = User.createUser("user1", "[email protected]", passwordEncoder.encode("12345678!"));
user1.setUserProfile(new UserProfile(user1, "사용자1", null, null, null, 0));
user1.setUserStatus(UserStatus.ACTIVE);
userRepository.save(user1);

User user2 = User.createUser("user2", "[email protected]", passwordEncoder.encode("12345678!"));
user2.setUserProfile(new UserProfile(user2, "사용자2", null, null, null, 0));
user2.setUserStatus(UserStatus.ACTIVE);
userRepository.save(user2);

User user3 = User.createUser("user3", "[email protected]", passwordEncoder.encode("12345678!"));
user3.setUserProfile(new UserProfile(user3, "사용자3", null, null, null, 0));
user3.setUserStatus(UserStatus.ACTIVE);
userRepository.save(user3);

// -------------------- 게시글 --------------------
createSamplePosts(user1, user2, user3);
}
}

private void createSamplePosts(User user1, User user2, User user3) { // ⭐ @Transactional 제거
Post post1 = new Post(user1,
"[백엔드] 같이 스프링 공부하실 분 구해요!",
"매주 토요일 오후 2시에 온라인으로 스터디 진행합니다.\n교재는 '스프링 완전정복'을 사용할 예정입니다.",
null);
attachCategories(post1, List.of("백엔드", "직장인", "5~10명"));

Post post2 = new Post(user2,
"[프론트엔드] 리액트 입문 스터디원 모집",
"리액트 교재를 같이 읽고 실습해보는 스터디입니다. GitHub로 코드 리뷰도 진행합니다.",
null);
attachCategories(post2, List.of("프론트엔드", "대학생", "2~4명"));

Post post3 = new Post(user2,
"[CS] 컴퓨터 구조 스터디",
"운영체제, 네트워크, 컴퓨터 구조 기본 개념을 함께 정리해요.\n스터디원 5명 정도 모집합니다.",
null);
attachCategories(post3, List.of("CS", "취준생", "5~10명"));

Post post4 = new Post(user3,
"[알고리즘] 백준 골드 도전 스터디",
"매주 3문제씩 풀이, 코드 리뷰 및 전략 공유합니다.\n실력 향상을 목표로 합니다!",
null);
attachCategories(post4, List.of("알고리즘", "대학생", "5~10명"));

Post post5 = new Post(user1,
"[영어 회화] 직장인 아침 스터디",
"출근 전 30분, 영어회화 연습 스터디입니다.\n줌으로 진행하고 서로 피드백 나눠요 :)",
null);
attachCategories(post5, List.of("영어 회화", "직장인", "2~4명"));

postRepository.saveAll(List.of(post1, post2, post3, post4, post5));

// -------------------- 댓글 --------------------
createSampleComments(user1, user2, user3, post1, post2, post3);
}

private void createSampleComments(User user1, User user2, User user3, Post post1, Post post2, Post post3) {
// Post1에 댓글
Comment comment1 = Comment.createRoot(post1, user2, "저도 참여하고 싶어요!");
Comment reply1 = Comment.createChild(post1, user1, "좋아요 :) 디스코드 링크 드릴게요.", comment1);

// Post2에 댓글
Comment comment2 = Comment.createRoot(post2, user3, "스터디 모집 기간은 언제까지인가요?");
Comment reply2 = Comment.createChild(post2, user2, "이번 주 일요일까지 받을 예정이에요.", comment2);

// Post3에 댓글
Comment comment3 = Comment.createRoot(post3, user1, "CS는 항상 중요하죠 💪");

commentRepository.saveAll(List.of(comment1, reply1, comment2, reply2, comment3));

// 게시글 commentCount 반영
post1.increaseCommentCount();
post2.increaseCommentCount();
post3.increaseCommentCount();

postRepository.saveAll(List.of(post1, post2, post3));
}

private void attachCategories(Post post, List<String> categoryNames) {
List<PostCategory> categories = postCategoryRepository.findAllByNameIn(categoryNames);
if (!categories.isEmpty()) {
post.updateCategories(categories);
}
}
}
134 changes: 134 additions & 0 deletions src/main/java/com/back/global/initData/DevInitService.java
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@@ -0,0 +1,134 @@
package com.back.global.initData;

import com.back.domain.board.comment.entity.Comment;
import com.back.domain.board.comment.repository.CommentRepository;
import com.back.domain.board.post.entity.Post;
import com.back.domain.board.post.entity.PostCategory;
import com.back.domain.board.post.repository.PostCategoryRepository;
import com.back.domain.board.post.repository.PostRepository;
import com.back.domain.user.entity.User;
import com.back.domain.user.entity.UserProfile;
import com.back.domain.user.entity.UserStatus;
import com.back.domain.user.repository.UserRepository;
import jakarta.persistence.EntityManager;
import lombok.RequiredArgsConstructor;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

@Service
@RequiredArgsConstructor
public class DevInitService {
private final EntityManager entityManager;
private final UserRepository userRepository;
private final PostRepository postRepository;
private final CommentRepository commentRepository;
private final PostCategoryRepository postCategoryRepository;
private final PasswordEncoder passwordEncoder;

@Transactional(readOnly = true)
public boolean isUserTableEmpty() {
return userRepository.count() == 0;
}

@Transactional
public void init() {
if (isUserTableEmpty()) {
initUsersAndPostsAndComments();
}
}

public void initUsersAndPostsAndComments() {
// -------------------- 유저 --------------------
User admin = User.createAdmin("admin", "[email protected]", passwordEncoder.encode("12345678!"));
admin.setUserProfile(new UserProfile(admin, "관리자", null, null, null, 0));
userRepository.save(admin);

User user1 = User.createUser("user1", "[email protected]", passwordEncoder.encode("12345678!"));
user1.setUserProfile(new UserProfile(user1, "사용자1", null, null, null, 0));
user1.setUserStatus(UserStatus.ACTIVE);
userRepository.save(user1);

User user2 = User.createUser("user2", "[email protected]", passwordEncoder.encode("12345678!"));
user2.setUserProfile(new UserProfile(user2, "사용자2", null, null, null, 0));
user2.setUserStatus(UserStatus.ACTIVE);
userRepository.save(user2);

User user3 = User.createUser("user3", "[email protected]", passwordEncoder.encode("12345678!"));
user3.setUserProfile(new UserProfile(user3, "사용자3", null, null, null, 0));
user3.setUserStatus(UserStatus.ACTIVE);
userRepository.save(user3);

// -------------------- 게시글 --------------------
createSamplePosts(user1, user2, user3);
}

private void createSamplePosts(User user1, User user2, User user3) {
Post post1 = new Post(user1,
"[백엔드] 같이 스프링 공부하실 분 구해요!",
"매주 토요일 오후 2시에 온라인으로 스터디 진행합니다.\n교재는 '스프링 완전정복'을 사용할 예정입니다.",
null);
attachCategories(post1, List.of("백엔드", "직장인", "5~10명"));

Post post2 = new Post(user2,
"[프론트엔드] 리액트 입문 스터디원 모집",
"리액트 교재를 같이 읽고 실습해보는 스터디입니다. GitHub로 코드 리뷰도 진행합니다.",
null);
attachCategories(post2, List.of("프론트엔드", "대학생", "2~4명"));

Post post3 = new Post(user2,
"[CS] 컴퓨터 구조 스터디",
"운영체제, 네트워크, 컴퓨터 구조 기본 개념을 함께 정리해요.\n스터디원 5명 정도 모집합니다.",
null);
attachCategories(post3, List.of("CS", "취준생", "5~10명"));

Post post4 = new Post(user3,
"[알고리즘] 백준 골드 도전 스터디",
"매주 3문제씩 풀이, 코드 리뷰 및 전략 공유합니다.\n실력 향상을 목표로 합니다!",
null);
attachCategories(post4, List.of("알고리즘", "대학생", "5~10명"));

Post post5 = new Post(user1,
"[영어 회화] 직장인 아침 스터디",
"출근 전 30분, 영어회화 연습 스터디입니다.\n줌으로 진행하고 서로 피드백 나눠요 :)",
null);
attachCategories(post5, List.of("영어 회화", "직장인", "2~4명"));

postRepository.saveAll(List.of(post1, post2, post3, post4, post5));

// -------------------- 댓글 --------------------
createSampleComments(user1, user2, user3, post1, post2, post3);
}

private void createSampleComments(User user1, User user2, User user3, Post post1, Post post2, Post post3) {
// Post1에 댓글
Comment comment1 = Comment.createRoot(post1, user2, "저도 참여하고 싶어요!");
Comment reply1 = Comment.createChild(post1, user1, "좋아요 :) 디스코드 링크 드릴게요.", comment1);

// Post2에 댓글
Comment comment2 = Comment.createRoot(post2, user3, "스터디 모집 기간은 언제까지인가요?");
Comment reply2 = Comment.createChild(post2, user2, "이번 주 일요일까지 받을 예정이에요.", comment2);

// Post3에 댓글
Comment comment3 = Comment.createRoot(post3, user1, "CS는 항상 중요하죠 💪");

commentRepository.saveAll(List.of(comment1, reply1, comment2, reply2, comment3));

// 게시글 commentCount 반영
post1.increaseCommentCount();
post2.increaseCommentCount();
post3.increaseCommentCount();

postRepository.saveAll(List.of(post1, post2, post3));
}

private void attachCategories(Post post, List<String> categoryNames) {
List<PostCategory> categories = postCategoryRepository.findAllByNameIn(categoryNames);
if (!categories.isEmpty()) {
post.updateCategories(categories);
entityManager.flush();
}
}
}