Classes Services

gistfile1.txt

package com.dojo.musicas.service.impl;

import java.util.ArrayList;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import com.dojo.musicas.dao.PlaylistDao;
import com.dojo.musicas.entity.Musica;
import com.dojo.musicas.entity.Playlist;
import com.dojo.musicas.entity.Usuario;
import com.dojo.musicas.model.PlaylistModel;
import com.dojo.musicas.model.PlaylistMusicasModel;
import com.dojo.musicas.model.UsuarioModel;
import com.dojo.musicas.service.PlaylistService;

@Component
public class PlaylistServiceImpl implements PlaylistService {

	@Autowired
	private PlaylistDao dao;

	@Override
	@Transactional(readOnly = true)
	public PlaylistModel getByUsuarioNome(String nome) {
		Playlist playlist = dao.findPlaylistByUsuarioNome(nome);
		if (playlist != null) {
			return buildModel(playlist);
		}
		return null;
	}

	private PlaylistModel buildModel(Playlist playlist) {
		PlaylistModel model = new PlaylistModel();
		model.setId(playlist.getId());
		model.setPlaylistMusicas(buildPlaylistMusicas(playlist.getMusicas(), playlist));
		model.setUsuario(buildUsuario(playlist.getUsuario()));
		return model;
	}

	private List<PlaylistMusicasModel> buildPlaylistMusicas(List<Musica> musicas, Playlist playlist) {
		List<PlaylistMusicasModel> playlistMusicas = new ArrayList<PlaylistMusicasModel>();
		if (musicas != null) {
			for (Musica musica : musicas) {
				playlistMusicas.add(buildPlaylistMusica(musica, playlist));
			}
		}
		return playlistMusicas;
	}

	private PlaylistMusicasModel buildPlaylistMusica(Musica musica, Playlist playlist) {
		PlaylistMusicasModel playlistMusica = new PlaylistMusicasModel();
		playlistMusica.setMusicaId(musica.getId());
		playlistMusica.setMusica(musica);
		playlistMusica.setPlaylistId(playlist.getId());
		return playlistMusica;
	}

	private UsuarioModel buildUsuario(Usuario usuario) {
		UsuarioModel model = new UsuarioModel();
		model.setId(usuario.getId());
		model.setNome(usuario.getNome());
		model.setPlaylistId(usuario.getPlaylistId());
		return model;
	}

}

MusicaServiceImpl

package com.dojo.musicas.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.dojo.musicas.dao.MusicaDao;
import com.dojo.musicas.entity.Musica;
import com.dojo.musicas.service.CacheService;
import com.dojo.musicas.service.MusicaService;

@Component
public class MusicaServiceImpl implements MusicaService {

	@Autowired
	private MusicaDao dao;

	@Autowired
	private CacheService cache;

	@Override
	public List<Musica> getMusicas() {
		return dao.findAll();
	}	

	@Override
	public List<Musica> getMusicasByNomeMusicaOrArtista(String nome) {
		List<Musica> musicas = cache.getList(nome, Musica.class);
		if (musicas == null) {
			musicas = dao.findMusicaByNomeContainingOrArtistaNomeContainingOrderByArtistaNomeAscNomeAsc(nome, nome);
			cache.set(nome, musicas);
		}
		return musicas;
	}
	
}