Spring Boot 간단한 Todo list

2021-10-07

Todo list

Todo list 목록에 아이템 추가
Todo list 목록 중 특정 아이템 조회
Todo list 전체 목록 조회
Todo list 목록 중 특정 아이템 수정
Todo list 목록 중 특정 아이템 삭제
Todo list 전체 목록 삭제

폴더구조

TodoEntity.java

package org.example.model;

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

import javax.persistence.*;

@Data
@Entity
@NoArgsConstructor
@AllArgsConstructor
public class TodoEntity {

    @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;
}

TodoRequest.java

package org.example.model;

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

@Data
@NoArgsConstructor
@AllArgsConstructor
public class TodoRequest {

    private String title;
    private  Long order;
    private  Boolean completed;
}

TodoResponse.java

package org.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(TodoEntity todoEntity) {

        this.id = todoEntity.getId();
        this.title = todoEntity.getTitle();
        this.order = todoEntity.getOrder();
        this.completed = todoEntity.getCompleted();

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

    }
}

TodoRepository.java

package org.example.repository;

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

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

TodoService.java

package org.example.service;

import lombok.AllArgsConstructor;
import org.example.model.TodoEntity;
import org.example.model.TodoRequest;
import org.example.repository.TodoRepository;
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 todoRepository;

    public TodoEntity add(TodoRequest request) {
        TodoEntity todoEntity = new TodoEntity();
        todoEntity.setTitle(request.getTitle());
        todoEntity.setOrder(request.getOrder());
        todoEntity.setCompleted(request.getCompleted());

        return this.todoRepository.save(todoEntity);
    }

    public TodoEntity serchById(Long id) {
        return this.todoRepository.findById(id)
                .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND));

    }

    public List<TodoEntity> searchAll() {
        return this.todoRepository.findAll();
    }

    public TodoEntity updateById(Long id, TodoRequest request) {

        TodoEntity todoEntity = this.serchById(id);
        if (request.getTitle() != null) {
            todoEntity.setTitle(request.getTitle());
        }
        if (request.getOrder() != null) {
            todoEntity.setOrder(request.getOrder());
        }
        if (request.getCompleted() != null) {
            todoEntity.setCompleted(request.getCompleted());
        }
        return this.todoRepository.save(todoEntity);
    }

    public void deleteById(Long id) {

        this.todoRepository.deleteById(id);

    }

    public void deleteAll() {

        this.todoRepository.deleteAll();
    }
}

TodoServerApplication.java

package org.example;


import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class TodoServerApplication {

    public static void main(String[] args) {
        SpringApplication.run(TodoServerApplication.class, args);

    }
}