[Spring Boot/IntelliJ] Todo List 구현 2

2021.06.05 - [🌎Web Application/Spring Boot] - [Spring Boot/IntelliJ] Todo List 구현 1

[Spring Boot/IntelliJ] Todo List 구현 1

 

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Part1. Model 설정

위와 같이 model 패키지에 Class들을 생성한다.

 

package com.example.model;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import javax.persistence.*;

@Data
@Entity
@NoArgsConstructor
@AllArgsConstructor
public class TodoEntitiy {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    @Column(nullable = false)
    private String title;
    @Column(name = "todoOrder", nullable = false)
    private Long order;
    @Column(nullable = false)
    private Boolean completed;
}

 

package com.example.model;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class TodoRequest {
    private String title;
    private Long order;
    private Boolean completed;
}

 

package com.example.model;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class TodoResponse {
    private Long id;
    private String title;
    private Long order;
    private Boolean completed;
    private String url;

    public TodoResponse(TodoEntitiy todoEntitiy) {
        this.id = todoEntitiy.getId();
        this.title = todoEntitiy.getTitle();
        this.order = todoEntitiy.getOrder();
        this.completed = todoEntitiy.getCompleted();

        this.url = "http://localhost:8080/" + this.id;
    }
}

 

Lombok

자바개발시 자주 사용하는 코드 Getter,Settr, 기본생성자, toString등을 어노테이션으로 자동 생성 해준다.

 

IntelliJ PlugIn에서 Lombok을 설치 후 재시작 합니다.

그리고 다음 경로에서 Enable annotation processing을 체크합니다.

 

Part2. Repository 설정

package repository를 생성하고, TodoRepository Interpace를 생성한다.

 

package com.example.repository;

import com.example.model.TodoEntitiy;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface TodoRepository extends JpaRepository<TodoEntitiy, Long> {
}

 

Part3. Service 생성

package com.example.service;

import com.example.model.TodoEntitiy;
import com.example.model.TodoRequest;
import com.example.repository.TodoRepository;
import lombok.AllArgsConstructor;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Service;
import org.springframework.web.server.ResponseStatusException;

import java.util.List;

@Service
@AllArgsConstructor
public class TodoService {
    private final TodoRepository repo;

    public TodoEntitiy add (TodoRequest request) {
        TodoEntitiy todoEntitiy = new TodoEntitiy();

        todoEntitiy.setTitle(request.getTitle());
        todoEntitiy.setOrder(request.getOrder());
        todoEntitiy.setCompleted(request.getCompleted());

        TodoEntitiy result = this.repo.save(todoEntitiy); // save메소드는 저장된 결과값을 반환한다.

        return result;
    }

    public TodoEntitiy searchById (Long id) {
        TodoEntitiy result = this.repo.findById(id)
                .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND));
        return result;
    }

    public List<TodoEntitiy> searchAll() {
        return this.repo.findAll();
    }

    public TodoEntitiy updateById(Long id, TodoRequest request) {
        TodoEntitiy entitiy = this.searchById(id);

        if (request.getTitle() != null) {
            entitiy.setTitle(request.getTitle());
        }

        if (request.getOrder() != null) {
            entitiy.setOrder(request.getOrder());
        }

        if (request.getCompleted() != null) {
            entitiy.setCompleted(request.getCompleted());
        }

        return this.repo.save(entitiy);

    }

    public void deleteById (Long id) {
        this.repo.deleteById(id);
    }

    public void deleteByAll () {
        this.repo.deleteAll();
    }
}