malinink / easy-tests

import easytests.core.entities.TopicEntity;

import easytests.core.mappers.TopicsMapper;

import easytests.core.models.SubjectModelInterface;

import easytests.core.models.TopicModel;

import easytests.core.models.TopicModelInterface;

import easytests.core.options.TopicsOptionsInterface;

import easytests.core.services.exceptions.DeleteUnidentifiedModelException;

import java.util.ArrayList;

import java.util.List;

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

import org.springframework.stereotype.Service;

/**

 * @author malinink

 */

@Service

public class TopicsService implements TopicsServiceInterface {

    @Autowired

    private TopicsMapper topicsMapper;

    @Autowired

    private SubjectsService subjectsService;

    @Autowired

    private QuestionsService questionsService;

    @Override

    public List<TopicModelInterface> findAll() {

        return this.map(this.topicsMapper.findAll());

    }

    @Override

    public List<TopicModelInterface> findAll(TopicsOptionsInterface topicsOptions) {

        return this.withServices(topicsOptions).withRelations(this.findAll());

    }

    @Override

    public TopicModelInterface find(Integer id) {

        return this.map(this.topicsMapper.find(id));

    }

    @Override

    public TopicModelInterface find(Integer id, TopicsOptionsInterface usersOptions) {

        return this.withServices(usersOptions).withRelations(this.find(id));

    }

    @Override

    public List<TopicModelInterface> findBySubject(

            SubjectModelInterface subjectModel,

            TopicsOptionsInterface topicsOptions) {

        return topicsOptions.withRelations(this.map(this.topicsMapper.findBySubjectId(subjectModel.getId())));

    }

    @Override

    public void save(TopicModelInterface topicModel) {

        final TopicEntity topicEntity = this.map(topicModel);

        if (topicEntity.getId() == null) {

            this.topicsMapper.insert(topicEntity);

            topicModel.setId(topicEntity.getId());

            return;

        }

        this.topicsMapper.update(topicEntity);

    }

    @Override

    public void save(TopicModelInterface topicModel, TopicsOptionsInterface topicsOptions) {

        this.withServices(topicsOptions).saveWithRelations(topicModel);

    }

    @Override

    public void save(List<TopicModelInterface> topicsModels) {

        for (TopicModelInterface topicModel: topicsModels) {

            this.save(topicModel);

        }

    }

    @Override

    public void save(List<TopicModelInterface> topicsModels, TopicsOptionsInterface topicsOptions) {

        for (TopicModelInterface topicModel: topicsModels) {

            this.save(topicModel, topicsOptions);

        }

    }

    @Override

    public void delete(TopicModelInterface topicModel) {

        final TopicEntity topicEntity = this.map(topicModel);

        if (topicEntity.getId() == null) {

            throw new DeleteUnidentifiedModelException();

        }

        this.topicsMapper.delete(topicEntity);

    }

    @Override

    public void delete(TopicModelInterface topicModel, TopicsOptionsInterface topicsOptions) {

        this.withServices(topicsOptions).deleteWithRelations(topicModel);

    }

    @Override

    public void delete(List<TopicModelInterface> topicsModels) {

        for (TopicModelInterface topicModel: topicsModels) {

            this.delete(topicModel);

        }

    }

    @Override

    public void delete(List<TopicModelInterface> topicsModels, TopicsOptionsInterface topicsOptions) {

        for (TopicModelInterface topicModel: topicsModels) {

            this.delete(topicModel, topicsOptions);

        }

    }

    private TopicsOptionsInterface withServices(TopicsOptionsInterface topicsOptions) {

        topicsOptions.setTopicsService(this);

        topicsOptions.setSubjectsService(this.subjectsService);

        topicsOptions.setQuestionsService(this.questionsService);

        return topicsOptions;

    }

    private TopicModelInterface map(TopicEntity topicEntity) {

        if (topicEntity == null) {

            return null;

        }

        final TopicModelInterface topicModel = new TopicModel();

        topicModel.map(topicEntity);

        return topicModel;

    }

    private TopicEntity map(TopicModelInterface topicModel) {

        final TopicEntity topicEntity = new TopicEntity();

        topicEntity.map(topicModel);

        return topicEntity;

    }

    private List<TopicModelInterface> map(List<TopicEntity> topicsList) {

        final List<TopicModelInterface> resultUsersList = new ArrayList(topicsList.size());

        for (TopicEntity topic: topicsList) {

            resultUsersList.add(this.map(topic));

        }

        return resultUsersList;

    }

}