malinink / easy-tests

import easytests.api.v1.exceptions.BadRequestException;

import easytests.api.v1.exceptions.ForbiddenException;

import easytests.api.v1.exceptions.IdentifiedModelException;

import easytests.api.v1.exceptions.NotFoundException;

import easytests.api.v1.exceptions.UnidentifiedModelException;

import easytests.api.v1.mappers.TopicsMapper;

import easytests.api.v1.models.Identity;

import easytests.api.v1.models.Topic;

import easytests.core.models.SubjectModelInterface;

import easytests.core.models.TopicModel;

import easytests.core.models.TopicModelInterface;

import easytests.core.options.TopicsOptionsInterface;

import easytests.core.options.builder.SubjectsOptionsBuilder;

import easytests.core.options.builder.TopicsOptionsBuilderInterface;

import easytests.core.services.SubjectsServiceInterface;

import easytests.core.services.TopicsServiceInterface;

import java.util.List;

import java.util.stream.Collectors;

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

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

import org.springframework.http.HttpStatus;

import org.springframework.web.bind.annotation.*;

/**

 * @author lelay

 */

@RestController("TopicsControllerV1")

@SuppressWarnings("checkstyle:MultipleStringLiterals")

@RequestMapping("/v1/topics")

public class TopicsController extends AbstractController {

    @Autowired

    protected SubjectsOptionsBuilder subjectsOptionsBuilder;

    @Autowired

    protected TopicsServiceInterface topicsService;

    @Autowired

    protected TopicsOptionsBuilderInterface topicsOptionsBuilder;

    @Autowired

    protected SubjectsServiceInterface subjectsService;

    @Autowired

    @Qualifier("TopicsMapperV1")

    private TopicsMapper topicsMapper;

    @GetMapping("")

    public List<Topic> list(@RequestParam(name = "subjectId", required = true) Integer subjectId)

            throws NotFoundException, ForbiddenException {

        final SubjectModelInterface subjectModel = this.subjectsService.find(subjectId);

        if (subjectModel == null) {

            throw new NotFoundException();

        }

        if (!this.acl.hasAccess(subjectModel)) {

            throw new ForbiddenException();

        }

        final List<TopicModelInterface> topicsModels =

                this.topicsService.findBySubject(subjectModel);

        return topicsModels

                .stream()

                .map(model -> this.topicsMapper.map(model, Topic.class))

                .collect(Collectors.toList());

    }

    /**

     * create

     */

    @PostMapping("")

    @ResponseStatus(HttpStatus.CREATED)

        if (topic.getId() != null) {

            throw new IdentifiedModelException();

        }

        this.checkSubject(topic);

        final TopicModelInterface topicModel = this.topicsMapper.map(topic, TopicModel.class);

        this.topicsService.save(topicModel);

        return this.topicsMapper.map(topicModel, Identity.class);

    }

    /**

     * update

     */

    @PutMapping("")

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

            throw new UnidentifiedModelException();

        }

        final TopicModelInterface topicModel = this.getTopicModel(topic.getId());

        this.checkSubject(topic);

        this.topicsMapper.map(topic, topicModel);

        this.topicsService.save(topicModel);

    }

    /**

     * delete(topicId)

     */

    @DeleteMapping("/{topicId}")

    public void delete(@PathVariable Integer topicId) throws NotFoundException, ForbiddenException {

        final TopicModelInterface topicModelforAuth = this.getTopicModel(topicId);

        if (!this.acl.hasAccess(topicModelforAuth)) {

            throw new ForbiddenException();

        }

        final TopicsOptionsInterface topicsOptionDelete = this.topicsOptionsBuilder.forDelete();

        final TopicModelInterface topicModelForDelete = this.topicsService.find(topicId, topicsOptionDelete);

        this.topicsService.delete(topicModelForDelete, topicsOptionDelete);

    }

    private void checkSubject(Topic topic) throws ForbiddenException, BadRequestException {

        final SubjectModelInterface subjectModel = this.subjectsService.find(

                topic.getSubject().getId(),

                this.subjectsOptionsBuilder.forAuth()

        );

        if (!this.acl.hasAccess(subjectModel)) {

            throw new BadRequestException();

        }

    }

    private TopicModelInterface getTopicModel(Integer id, TopicsOptionsInterface topicOptions)

            throws NotFoundException {

        final TopicModelInterface topicModel = this.topicsService.find(id, topicOptions);

        if (topicModel == null) {

            throw new NotFoundException();

        }

        return topicModel;

    }

    private TopicModelInterface getTopicModel(Integer id) throws NotFoundException {

        return this.getTopicModel(id, this.topicsOptionsBuilder.forAuth());

    }

}