NastasiyaT/java-project-99

package hexlet.code.service;

import hexlet.code.dto.LabelDTO;
import hexlet.code.mapper.LabelMapper;
import hexlet.code.repository.LabelRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public final class LabelService {

    @Autowired
    private LabelMapper labelMapper;

    @Autowired
    private LabelRepository labelRepository;

    public List<LabelDTO> getAll() {
        var labels = labelRepository.findAll();
        return labels.stream()
                .map(labelMapper::map)
                .toList();
    }

    public LabelDTO findById(Long id) {
        var label = labelRepository.findById(id).orElseThrow();
        return labelMapper.map(label);
    }

    public LabelDTO create(LabelDTO data) {
        var label = labelMapper.map(data);
        labelRepository.save(label);
        return labelMapper.map(label);
    }

    public LabelDTO update(LabelDTO data, Long id) {
        var label = labelRepository.findById(id).orElseThrow();
        labelMapper.update(data, label);
        labelRepository.save(label);
        return labelMapper.map(label);
    }

    public void delete(Long id) {
        labelRepository.deleteById(id);
    }
}