malinink / easy-tests

import easytests.api.v1.exceptions.*;

import easytests.api.v1.mappers.QuestionsMapper;

import easytests.api.v1.models.Question;

import easytests.core.models.QuestionModelInterface;

import easytests.core.models.TopicModelInterface;

import easytests.core.options.AnswersOptions;

import easytests.core.options.QuestionsOptions;

import easytests.core.options.QuestionsOptionsInterface;

import easytests.core.options.builder.QuestionsOptionsBuilderInterface;

import easytests.core.options.builder.TopicsOptionsBuilderInterface;

import easytests.core.services.QuestionsServiceInterface;

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.web.bind.annotation.*;

/**

 * @author RisaMagpie

 */

@RestController("QuestionsControllerV1")

@SuppressWarnings("checkstyle:MultipleStringLiterals")

@RequestMapping("/v1/questions")

public class QuestionsController extends AbstractController {

    @Autowired

    protected QuestionsServiceInterface questionsService;

    @Autowired

    protected TopicsServiceInterface topicsService;

    @Autowired

    protected QuestionsOptionsBuilderInterface questionsOptionsBuilder;

    @Autowired

    protected TopicsOptionsBuilderInterface topicsOptionsBuilder;

    @Autowired

    @Qualifier("QuestionsMapperV1")

    private QuestionsMapper questionsMapper;

    @GetMapping

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

            throws NotFoundException, ForbiddenException {

        final TopicModelInterface topicModel = this.topicsService.find(topicId, this.topicsOptionsBuilder.forAuth());

        if (topicModel == null) {

            throw new NotFoundException();

        }

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

            throw new ForbiddenException();

        }

        final List<QuestionModelInterface> questionsModels =

                this.questionsService.findByTopic(topicModel, new QuestionsOptions().withAnswers(new AnswersOptions()));

        return questionsModels

                .stream()

                .map(model -> this.questionsMapper.map(model, Question.class))

                .collect(Collectors.toList());

    }

    /**

     * create

     */

    @PutMapping("")

    public void update(@RequestBody Question question)

            throws ForbiddenException, NotFoundException, BadRequestException {

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

            throw new UnidentifiedModelException();

        }

        final QuestionModelInterface questionModel = this.getQuestionModel(question.getId());

        this.checkQuestion(question);

        this.checkTopic(question);

        this.questionsMapper.map(question, questionModel);

        this.questionsService.save(questionModel);

    }

    @GetMapping("/{questionId}")

    public Question show(@PathVariable Integer questionId) throws NotFoundException, ForbiddenException {

        final QuestionModelInterface questionModel = this.getQuestionModel(

                questionId,

                this.questionsOptionsBuilder.forAuth().withAnswers(new AnswersOptions())

        );

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

            throw new ForbiddenException();

        }

        return this.questionsMapper.map(questionModel, Question.class);

    }

    @DeleteMapping("/{questionId}")

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

        final QuestionModelInterface questionModel = this.getQuestionModel(questionId);

        final QuestionsOptionsInterface questionOption = this.questionsOptionsBuilder.forDelete();

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

            throw new ForbiddenException();

        }

        final QuestionModelInterface questionModelForDelete = this.questionsService.find(questionId, questionOption);

        this.questionsService.delete(questionModelForDelete, questionOption);

    }

    private void checkTopic(Question question) throws BadRequestException {

        final TopicModelInterface topicModel = this.topicsService.find(

                question.getTopic().getId(),

                this.topicsOptionsBuilder.forAuth()

        );

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

            throw new BadRequestException();

        }

    }

    private void checkQuestion(Question question) throws ForbiddenException {

        final QuestionModelInterface questionModel = this.questionsService.find(

                question.getId(),

                this.questionsOptionsBuilder.forAuth()

        );

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

            throw new ForbiddenException();

        }

    }

    private QuestionModelInterface getQuestionModel(Integer id, QuestionsOptionsInterface

            questionOptions) throws NotFoundException {

        final QuestionModelInterface questionModel = this.questionsService.find(id, questionOptions);

        if (questionModel == null) {

            throw new NotFoundException();

        }

        return questionModel;

    }

}