[E-3-3] 전체 조회 화면

src/main/java

templates/layout

index.mustache

 

{{>layout/header}}
<h1>스프링 부트로 시작하는 웹 서비스 Ver 2.0</h1>
<div class="col-md-12">
    <div class="row">
        <div class="col-md-6">
            <a href="/posts/save" role="button" class="btn btn-primary">글 등록</a>
        </div>
    </div>
    <br/>
    <!-- 목록 출력 영역 -->
    <table class="table table-horizental table-bordered">
        <thead class="thead-strong">
            <tr>
                <th>게시글 번호</th>
                <th>제목</th>
                <th>작성자</th>
                <th>최종수정일</th>
            </tr>
        </thead>
        <tbody id="tbody">
        {{#posts}}
            <tr>
                <td>{{id}}</td>
                <td>{{title}}</td>
                <td>{{author}}</td>
                <td>{{modifiedDate}}</td>
            </tr>
        {{/posts}}
        </tbody>
    </table>
</div>
{{>layout/footer}}

 

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src/main/java

com.minokuma.book.springboot

domain/posts

PostsRepository.java 인터페이스

 

package com.minokuma.book.springboot.domain.posts;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;

import java.util.List;

public interface PostsRepository extends JpaRepository<Posts,Long> {

    @Query("SELECT p FROM Posts p ORDER BY p.id DESC")
    List<Posts> findAllDesc();
}

 

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src/main/java

com.minokuma.book.springboot

service/posts

PostsListResponseDto.java

 

package com.minokuma.book.springboot.service.posts;

import com.minokuma.book.springboot.domain.posts.Posts;
import lombok.Getter;

import java.time.LocalDateTime;

@Getter
public class PostsListResponseDto {
    private Long id;
    private String title;
    private String author;
    private LocalDateTime modifiedDate;

    public PostsListResponseDto(Posts entity){
        this.id = entity.getId();
        this.title = entity.getTitle();
        this.author = entity.getAuthor();
        this.modifiedDate = entity.getModifiedDate();
    }
}

 

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src/main/java

com.minokuma.book.springboot

service/posts

PostsService.java 

 

package com.minokuma.book.springboot.service.posts;

import com.minokuma.book.springboot.domain.posts.Posts;
import com.minokuma.book.springboot.domain.posts.PostsRepository;
import com.minokuma.book.springboot.web.dto.PostsResponseDto;
import com.minokuma.book.springboot.web.dto.PostsSaveRequestDto;
import com.minokuma.book.springboot.web.dto.PostsUpdateRequestDto;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
import java.util.stream.Collectors;

@RequiredArgsConstructor
@Service
public class PostsService {
    private final PostsRepository postsRepository;

    @Transactional
    public Long save(PostsSaveRequestDto requestDto){
        return postsRepository.save(requestDto.toEntity()).getId();
    }

    @Transactional
    public Long update(Long id, PostsUpdateRequestDto requestDto){
        Posts posts = postsRepository.findById(id).orElseThrow(() -> new IllegalArgumentException("해당 게시글이 없습니다. id=" + id));
        posts.update(requestDto.getTitle(), requestDto.getContent());
        return id;
    }

    public PostsResponseDto findById(Long id){
        Posts entity = postsRepository.findById(id).orElseThrow(() -> new IllegalArgumentException("해당 게시글이 없습니다. id=" + id));
        return new PostsResponseDto(entity);
    }

    @Transactional(readOnly = true)
    public List<PostsListResponseDto> findAllDesc(){
        return postsRepository.findAllDesc().stream()
                .map(PostsListResponseDto::new)
                .collect(Collectors.toList());
    }
}

 

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src/main/java

com.minokuma.book.springboot

web

IndexController.java 

 

package com.minokuma.book.springboot.web;

import com.minokuma.book.springboot.service.posts.PostsService;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;

@RequiredArgsConstructor
@Controller
public class IndexController {

    private final PostsService postsService;

    @GetMapping("/")
    public String index(Model model){
        model.addAttribute("posts",postsService.findAllDesc());
        return "index";
    }

    @GetMapping("/posts/save")
    public String postsSave(){
        return "posts-save";
    }

}

 

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테스트 결과