MusicService.java

package kr.ajou.prcoding.mySpringWeb.service;

import java.io.IOException;
import java.util.List;

import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
import com.fasterxml.jackson.databind.ObjectMapper;
import jakarta.transaction.Transactional;
import kr.ajou.prcoding.mySpringWeb.dto.FavoriteMusicRequestDto;
import kr.ajou.prcoding.mySpringWeb.dto.MusicList;
import kr.ajou.prcoding.mySpringWeb.entity.FavoriteMusic;
import kr.ajou.prcoding.mySpringWeb.repository.FavoriteRepository;
import lombok.RequiredArgsConstructor;

@Service
@Transactional
@RequiredArgsConstructor
public class MusicService {
    private final FavoriteRepository albumsRepo;
    RestTemplate restTemplate = new RestTemplate();
    private final String itunesUrl = "http://itunes.apple.com"; // ?term=${searchWord}&entity=album

    public MusicList serachMusic(String musicName){
        try {
            String url = itunesUrl + String.format("/search?term=%s&entity=album", musicName);
            String response = restTemplate.getForObject(url, String.class);
            ObjectMapper mapper = new ObjectMapper();
            MusicList list = mapper.readValue(response,MusicList.class);
            System.out.println(list.getResultCount());
            return list;
        }
        catch(IOException e){
            System.out.println(e.toString());
            return null;
        }
    }
    
    public List<FavoriteMusic> getLikes(){
        try{
            return albumsRepo.findAll();
        } catch (Exception e){
            System.out.println(e.toString());
            return null;
        }
    }

    public int saveFavorite(FavoriteMusicRequestDto favorite){
        FavoriteMusic music = albumsRepo.save(favorite.toEntity());
        if (music != null) {
            return 1;
        } else {
            return 0;
        }
    }
}