CommentServiceImpl.java
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package fr.plil.sio.examen.services;
import fr.plil.sio.examen.api.Animal;
import fr.plil.sio.examen.api.Comment;
import fr.plil.sio.examen.api.Owner;
import fr.plil.sio.examen.repositories.AnimalRepository;
import fr.plil.sio.examen.repositories.CommentRepository;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
/**
* TODO: complete all these methods
*/
@Service
public class CommentServiceImpl implements CommentService {
@Autowired
private CommentRepository commentRepository;
@Autowired
private AnimalRepository animalRepository;
@Override
@Transactional
public Comment add(Owner owner, Animal animal, String text) {
if(animal== null) {
throw new IllegalArgumentException("name must be not null");
}
if(owner == null) {
throw new IllegalArgumentException("owner must be not null");
}
if(text == null){
throw new IllegalArgumentException("text must be not null");
}
Comment comment = new Comment();
comment.setAnimal(animal);
comment.setReporter(owner);
comment.setMessage(text);
commentRepository.save(comment);
return comment;
}
@Override
@Transactional
public void delete(Comment comment) {
if(comment==null){
throw new IllegalArgumentException("comment must be not null");
}
if(commentRepository.findByMessage(comment.getMessage()).size()==0){
throw new IllegalArgumentException("Comment not in database");
}
commentRepository.delete(comment);
}
@Override
@Transactional(readOnly = true)
public List<Comment> findByAnimal(Animal animal) {
if(animal == null){
throw new IllegalArgumentException("animal must be not null");
}
return commentRepository.findByAnimal(animal);
}
@Override
@Transactional(readOnly = true)
public List<Comment> findByReporter(Owner reporter) {
if(reporter == null){
throw new IllegalArgumentException("reporter must be not null");
}
return commentRepository.findByReporter(reporter);
}
@Override
@Transactional(readOnly = true)
public List<Comment> findByOwner(Owner owner) {
if(owner == null){
throw new IllegalArgumentException("owner must be not null");
}
//On récupère la liste de tous les animaux de l'owner
List<Animal> listAnimals = animalRepository.findByOwner(owner);
//Création d'une liste de commentaire vide pour les y ajouter
List<Comment> listComments = new ArrayList<Comment>();
//Parcours de la liste des animaux de l'owner
for(Animal animal : listAnimals){
//Ajout à la liste des commentaires sur l'animal en cours
listComments.addAll(commentRepository.findByAnimal(animal));
}
//On retourne la liste de commentaires
return listComments;
}
}