DeKal / illuminati

import com.dawn.jat.illuminati.core.convert.Converter;

import com.dawn.jat.illuminati.post.dto.PostDto;

import com.dawn.jat.illuminati.post.entity.PostEntity;

import com.dawn.jat.illuminati.post.entity.PostSummaryEntity;

import com.dawn.jat.illuminati.post.exception.PostNotFoundException;

import com.dawn.jat.illuminati.post.repository.PostRepository;

import com.dawn.jat.illuminati.post.repository.PostSummaryRepository;

import java.util.List;

import java.util.Map;

import java.util.Optional;

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

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

@Service

@Transactional

public class PostService {

    @Autowired

    private Converter converter;

    @Autowired

    private PostRepository postRepository;

    @Autowired

    private PostSummaryRepository postSummaryRepository;

    public List<PostSummaryEntity> findPostSummary() {

        return postSummaryRepository.findAll();

    }

    /**

     * Create new Entity from postDTO receive from client.

     * @param postDto PostDto

     * @return PostEntity

     */

    public PostEntity create(PostDto postDto) {

        PostEntity post = new PostEntity();

        post = converter.convertPostDtoToEntity(postDto, post);

        return postRepository.savePost(post);

    }

    private PostEntity findById(String id) {

        Optional<PostEntity> postObj = postRepository.findById(id);

        if (!postObj.isPresent()) {

            throw new PostNotFoundException("Saved post cannot be found!!!");

        }

        return postObj.get();

    }

    /**

     * Save a post info to an existing post.

     * @param postDto PostDto

     * @return PostEntity

     */

    public PostEntity save(PostDto postDto) {

        PostEntity savedPost = findById(postDto.getId());

        savedPost = converter.convertPostDtoToEntity(postDto, savedPost);

        return postRepository.savePost(savedPost);

    }

    public void deleteBySlug(String slug) {

        postRepository.deleteBySlug(slug);

    }

}